B back-flow back-flow preventer backwash bacteria bed bed depth bed expansion bicarbonate alkalinity biodegradable bleach brackish water breakpoint chlorination brine builder bypass C calcium calcium hypochlorite capacity capacity curve capillary action carbonate carbonate alkalinity carbonate hardness carbon dioxide cartridge cathode cathodic protection cation cation exchange caustic caustic soda channeling chlorides chlorine chlorinator chlorine demand coagulant coagulation Coliform bacteria color column operation combined available chlorine conductance conductivity contamination conversion corrosion Crenothrix polyspora Cryptosporidium cube cubic foot cycle D dechlorination deionization demineralization detergent diatomaceous earth disinfection dissolved solids distillation distributor dolomite domestic downflow drain drain line E E. Coli eductor efficiency effluent ejector electron erosion Escherichia Coli exhaustion F fecal filter filter area filter medium filtrate fines fixture flow control flow rate fluoridation flush tank flush valve fouling free available chlorine freeboard free carbon dioxide free chlorine G Gallionella ferruginea gallon gate valve gel zeolite Giardia Lamblia globe valve gpg grain (gr.) grain(s) per gallon (gpg) gram (g) greensand H hardness head hydration hydraulic hydrogen ion concentration hydrogen sulfide hydrologic cycle hydrolysis hydrostatic test hydroxide hydroxyl hypochlorite I indicator influent inorganic matter installation intermittent flow ion ion exchange ion exchanger ionization iron iron bacteria J K kilo kilograin (Kgr.) kilogram (Kg.) L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
C calcium calcium hypochlorite capacity capacity curve capillary action carbonate carbonate alkalinity carbonate hardness carbon dioxide cartridge cathode cathodic protection cation cation exchange caustic caustic soda channeling chlorides chlorine chlorinator chlorine demand coagulant coagulation Coliform bacteria color column operation combined available chlorine conductance conductivity contamination conversion corrosion Crenothrix polyspora Cryptosporidium cube cubic foot cycle D dechlorination deionization demineralization detergent diatomaceous earth disinfection dissolved solids distillation distributor dolomite domestic downflow drain drain line E E. Coli eductor efficiency effluent ejector electron erosion Escherichia Coli exhaustion F fecal filter filter area filter medium filtrate fines fixture flow control flow rate fluoridation flush tank flush valve fouling free available chlorine freeboard free carbon dioxide free chlorine G Gallionella ferruginea gallon gate valve gel zeolite Giardia Lamblia globe valve gpg grain (gr.) grain(s) per gallon (gpg) gram (g) greensand H hardness head hydration hydraulic hydrogen ion concentration hydrogen sulfide hydrologic cycle hydrolysis hydrostatic test hydroxide hydroxyl hypochlorite I indicator influent inorganic matter installation intermittent flow ion ion exchange ion exchanger ionization iron iron bacteria J K kilo kilograin (Kgr.) kilogram (Kg.) L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
D dechlorination deionization demineralization detergent diatomaceous earth disinfection dissolved solids distillation distributor dolomite domestic downflow drain drain line E E. Coli eductor efficiency effluent ejector electron erosion Escherichia Coli exhaustion F fecal filter filter area filter medium filtrate fines fixture flow control flow rate fluoridation flush tank flush valve fouling free available chlorine freeboard free carbon dioxide free chlorine G Gallionella ferruginea gallon gate valve gel zeolite Giardia Lamblia globe valve gpg grain (gr.) grain(s) per gallon (gpg) gram (g) greensand H hardness head hydration hydraulic hydrogen ion concentration hydrogen sulfide hydrologic cycle hydrolysis hydrostatic test hydroxide hydroxyl hypochlorite I indicator influent inorganic matter installation intermittent flow ion ion exchange ion exchanger ionization iron iron bacteria J K kilo kilograin (Kgr.) kilogram (Kg.) L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
E E. Coli eductor efficiency effluent ejector electron erosion Escherichia Coli exhaustion F fecal filter filter area filter medium filtrate fines fixture flow control flow rate fluoridation flush tank flush valve fouling free available chlorine freeboard free carbon dioxide free chlorine G Gallionella ferruginea gallon gate valve gel zeolite Giardia Lamblia globe valve gpg grain (gr.) grain(s) per gallon (gpg) gram (g) greensand H hardness head hydration hydraulic hydrogen ion concentration hydrogen sulfide hydrologic cycle hydrolysis hydrostatic test hydroxide hydroxyl hypochlorite I indicator influent inorganic matter installation intermittent flow ion ion exchange ion exchanger ionization iron iron bacteria J K kilo kilograin (Kgr.) kilogram (Kg.) L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
F fecal filter filter area filter medium filtrate fines fixture flow control flow rate fluoridation flush tank flush valve fouling free available chlorine freeboard free carbon dioxide free chlorine G Gallionella ferruginea gallon gate valve gel zeolite Giardia Lamblia globe valve gpg grain (gr.) grain(s) per gallon (gpg) gram (g) greensand H hardness head hydration hydraulic hydrogen ion concentration hydrogen sulfide hydrologic cycle hydrolysis hydrostatic test hydroxide hydroxyl hypochlorite I indicator influent inorganic matter installation intermittent flow ion ion exchange ion exchanger ionization iron iron bacteria J K kilo kilograin (Kgr.) kilogram (Kg.) L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
G Gallionella ferruginea gallon gate valve gel zeolite Giardia Lamblia globe valve gpg grain (gr.) grain(s) per gallon (gpg) gram (g) greensand H hardness head hydration hydraulic hydrogen ion concentration hydrogen sulfide hydrologic cycle hydrolysis hydrostatic test hydroxide hydroxyl hypochlorite I indicator influent inorganic matter installation intermittent flow ion ion exchange ion exchanger ionization iron iron bacteria J K kilo kilograin (Kgr.) kilogram (Kg.) L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
H hardness head hydration hydraulic hydrogen ion concentration hydrogen sulfide hydrologic cycle hydrolysis hydrostatic test hydroxide hydroxyl hypochlorite I indicator influent inorganic matter installation intermittent flow ion ion exchange ion exchanger ionization iron iron bacteria J K kilo kilograin (Kgr.) kilogram (Kg.) L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
I indicator influent inorganic matter installation intermittent flow ion ion exchange ion exchanger ionization iron iron bacteria J K kilo kilograin (Kgr.) kilogram (Kg.) L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
J K kilo kilograin (Kgr.) kilogram (Kg.) L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
K kilo kilograin (Kgr.) kilogram (Kg.) L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
L leakage lime lime scale limestone liter M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
M magnesium manganese manganese greensand manganese zeolite mechanical filter media medium mg/L micrometer micron micron rating mil milli milligram per liter (mg/L) millimicron mineral mineral acidity molecule N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
N negative charge negative head negative pressure neutral neutralization neutralizer noncarbonate hardness O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
O odors operating pressure organic matter osmosis oxidation ozone P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
P parts per million (ppm) pathogen permanent hardness permanganate pH pollution porosity portable exchange positive charge postchlorination potable water potassium permanganate ppm prechlorination precipitate precoat pressure differential pressure drop Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
Q R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
R rated capacity rated in-service life rated pressure drop rated service flow rated softener capacity raw water recovery reduction red water regenerant regeneration regeneration level rejection residual residual chlorine resin reverse osmosis rinse R.O. S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
S saline water salt scale sedimentation semipermeable membrane service run service unit soap soda ash sodium sodium chloride sodium cycle soft water softened water solution feeder solvent specific gravity spore sterilization sulfate sulfate-reducing bacteria sulfur superchlorination surface-active agent surface tension surfactant suspended solids synthetic detergent T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
T TDS temporary hardness throughput volume titration total acidity total alkalinity total chlorine total dissolved solids (TDS) total hardness toxic trace transpiration turbidity turbulent flow U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
U upflow USEPA USPHS V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
V vacuum breaker valence viable virus viscosity volatile W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
W water conditioning water cycle water hammer water softening water table X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
X Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
Y Z zeolite zeolite softening zero soft zone of aeration zone of saturation
Z zeolite zeolite softening zero soft zone of aeration zone of saturation
