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Search results with tag "Sludge treatment facilities"
CHAPTER 6: DESIGN AND CONSTRUCTION OF SLUDGE …
www.cpheeo.gov.inSLUDGE TREATMENT FACILITIES CHAPTER 6: DESIGN AND CONSTRUCTION OF SLUDGE TREATMENT FACILITIES 6.1 THE APPROACH In STP, sludge means the following. • Primary sludge – When raw sewage is settled in a primary clarifier, the suspended solids settle down by gravity. These are drawn out from the conical floor of the clarifier. This is called
CHAPTER 5: SLUDGE TREATMENT FACILITIES 5.1 …
cpheeo.gov.inSLUDGE TREATMENT FACILITIES A gravity thickener is shown in Figure 5.1 Figure 5.1 Example of a gravity thickener Continuous flow tanks are deep circular tanks with central feed and overflow at the periphery. Better efficiencies can be obtained by providing slow revolving stirrers, particularly with gassy sludge.