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Sludge Disposal

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

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 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

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

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

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 ?

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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