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Case 2: Indonesia sumatra palm oil mill - centrifugal dehydrator
Problem: The centrifuge has poor dehydration effect, the mud cake is thin (water content is more than 85%), the supernatant has a high solid content (>1%), causing to frequent cleaning.
Sludge characteristics: Mainly physical and chemical sludge (coagulation and flotation sludge), high oil content, and extremely high viscosity.
PAM solution:
Model: Zwitterionic PAM
Cationic degree: 30%
Anionic degree: 10%
Molecular weight: 9 million
Effect:
The moisture content of the mud cake is reduced to 80-82%.
The solid content of the centrifuge supernatant is <0.5%.
The equipment operation stability is greatly improved, and the cleaning cycle is extended.
Key reason: Zwitterionic PAM has both charge neutralization and adsorption bridging capabilities, and is more adaptable to oily/viscous sludge.
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