Aug 28, 2020 · Excess sludge was taken from the sludge thickening tank of the Xilang Sewage Treatment Plant in Guangzhou. The sewage treated by the plant, with a treatment capacity of 100,000 tons/day, is municipal domestic sewage. The total solids content of the excess sludge was 36.24 g/L, with pH 7.16.
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