sludge treatment & disposal

7/26/2019 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

sludge treatment & disposal

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