Sludge Treatment & Disposal
Transcript of Sludge Treatment & Disposal
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WASTEWATER SLUDGE
TREATMENT & DISPOSAL
The stabilization, dewatein!and dis"osal o# sl$d!es #o%
wate and wastewate teat%ent
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GOALS OF SLUDGE TREATMENT
Volumereduction
Thickening
De!tering
Elimin!tion o"#!thogenic germ$
%" u$ed in !griculture !$
"ertili$er or com#o$t
St!&ili$!tion o"rg!nic $u&$t!nce$
Rec'cling o"
$u&$t!nce$
G!$ #roduction
Reduction o" dr'content
%m#ro(ement o"de!tering
Reduction o" odourNutrient$)"ertili$er
*umu$
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SLUDGE TREATMENT AND DISPOSAL
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N EROBIC SLUDGE DIGESTION
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Sludge
Digestion:Anaerobic
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Sludge dewatering: entri!ugation
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entri!ugation
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Sludge dewatering: !ilter "ress
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#ilter "ress
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PLATE AND FRAME FILTER
PARTS
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Sludge dr$ing bed: "re"aration
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#illing t%e dr$ing bed wit% sludge
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Starting t%e dr$ing "rocess
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Sludge dis"osal: Land a""lication
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Sludge
Incineration: Multi"le &eart%
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#luidi'ed bed sludge incineration
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Radiant heat (electric)
incineration
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CycloneFurnace
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#luidi'ed bed incineration s$ste(
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Sludge disosal! trans
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INC"RP"RATIN# $I"MASS INT" $RIC%
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Destination of wastewater
solids
Incinera)
Land!illing