Sludge Disposal
The sludge which is found in the bottom of a sedimentation tank in water treatment plant is primarily composed of water. The solids in the sludge are mainly flocs, excess coagulant, such as alum. Alum sludge...
Sedimendation
Purpose Of Sedimentation
Sedimentation is a unit operation to settle out the suspended particles and flocs in water. Sedimentation water treatment is achieved by lowering the velocity of the water below...
Water Treatment Coagulation
Water Treatment Coagulants
Coagulant water treatment chemicals come in two main types –
primary water treatment coagulants and coagulant aids.
Primary coagulants neutralize the electrical charges of...
Coagulation and Flocculation
Types of Suspended Particles in WATER
There are three types of particles which can be found in water in suspension and cause turbidity. In the order from smallest to largest, these particles are chemicals in...
Water Quality Standards
Recommended Guidelines for Physical and Chemical water quality standards as per BIS (IS 10500:1983 ) and per CPHEEO Manual on water supply and treatment are furnished below,
Recommended Guidelines for...
Slow Sand Water Filter and Rapid Sand Water Filter
COMPARISON OF SSF AND RSF
The comparison of Slow Sand water treatment Filter and Rapid Sand water treatment Filter with reference to design criteria, advantages and disadvantages is summarized in the below...
When to clean Water Filter ?
Clean the water filter
Three factors can be considered to assess when a water treatment filter needs back washing.
Water Treatment Filter run reaches a given hour of operation.
The head loss is so high that...
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