Water Treatment and Purification |
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Page 16
... apparatus is controlled by drawing off a certain amount from the bottom . This type of apparatus is designed for a detention of 1 hr . or less , which is much smaller than required by the sedimentation tanks shown in Figs . 1 and 2 ...
... apparatus is controlled by drawing off a certain amount from the bottom . This type of apparatus is designed for a detention of 1 hr . or less , which is much smaller than required by the sedimentation tanks shown in Figs . 1 and 2 ...
Page 168
... apparatus , the raw water is heated , before entering the evaporator , to a temperature higher than that corre- sponding to the pressure in the evaporator chamber , so that when it enters the chamber , part of it flashes into vapor and ...
... apparatus , the raw water is heated , before entering the evaporator , to a temperature higher than that corre- sponding to the pressure in the evaporator chamber , so that when it enters the chamber , part of it flashes into vapor and ...
Page 210
... apparatus consisting of suitable electrodes and dry cells for sterilizing small quantities of water such as the requirements of field expeditions , and extension of the process to municipal supplies is being developed . FIG . 58A ...
... apparatus consisting of suitable electrodes and dry cells for sterilizing small quantities of water such as the requirements of field expeditions , and extension of the process to municipal supplies is being developed . FIG . 58A ...
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Common terms and phrases
acid aeration alkalinity alum American Water amount backwash bicarbonate blowdown blowoff boiler water brine CaCO3 calcium and magnesium calcium carbonate calcium sulphate carbon dioxide carbonate hardness CaSO4 caustic soda chemical solution chlorine coagulation combination concentration condenser corrosion deaerating dissolved solids effect effluent embrittlement Engineering Chemistry evaporator excess filtration grains per gallon gravity hard water heater hydrogen hydroxide impurities Industrial and Engineering inlet ions Journal lime and soda-ash lime-soda softener Magnesium bicarbonate make-up water mixing chamber noncarbonate hardness operating organic matter oxidizing phosphate pipe plants precipitates pressure prevent pump rapid sand filter ratio raw water react reaction tank regeneration remove residual salts sample sand bed sedimentation settling basin settling tank silica sludge soda ash sodium carbonate sodium sulphate soft water soluble steam suspended matter total hardness treated water trisodium phosphate turbidity valve wash water Water Softening water supply Water Works Association zeolite zeolite softener