Sedimendation
Purpose Of Sedimentation
Sedimentation is a unit operation to settle out the suspended particles and flocs in water. This is achieved by lowering the velocity of the water below the suspension velocity to...
Water Quality
Some medical instrumentation, Surgery, Dental, Pharmacy Lab etc., using Deionized or Distillation process to get their required water quality.
They are recommended for below 10...
Rapid Sand Filters
The Rapid Sand Filter (RSF) differs from the Slow Sand Filter in a variety of ways, the most important of which are the much greater filtration rate and the ability to clean automatically using backwashing....
Test for Residual Chlorine
The amount of residual chlorine left in the chlorinated water after the required contact period, can be experimentally determined by using any of the following tests:
Orthotolidine test
...
CHLORINATORS
Hypochlorinators
The simplest method of continuous chlorination of water supply systems for a water flow of less than 200 Lpm is by the use of a hypochlorinator. Hypochlorinators are motor driven pumps which...
TYPES OF DISINFECTANT
Types of chemical disinfectants containing chlorine are hypochlorite, chloramines, and chlorine-dioxide.
Hypochlorites
Instead of using chlorine gas, some plants apply chlorine to water as a hypochlorite,...
Efficiency of Softening
In addition to raw water characteristics, the operation of the softener can influence efficiency of softening. The most important factors are resin, flow, and cleaning.
Both the resin type and depth influence...
Operation and Maintenance of Pumps and Plumbing station
Operation and Maintenance of Pumps and Pumping Stations
The preventive maintenance procedures related to pumps and pumping stations are listed below:
i. Inspect pump station daily to
determine pump condition,...
Translator
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