1. wastewater treatment ponds that are so fat, milk fat, then remove the lap to leave the Meadow beside the pond water treatment. Cause of bad smells and will have long-term consequences may be used how to solve the problem by changing the fat trap characteristics of Rotary drum vacuum filter which can be exclude oil coming out of the water before treatment. And we can remove the fat trap released into milk, dry fertilizer, and still make, wastewater treatment more efficient.
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