Oct 01, 2005 · The wastewater was from flour processing, meat, vegetable, utensils, rice and floor washing at the Guo-Fu-Long-Fen Food Factory. The total chemical oxidation demand (COD) concentration fluctuated in the range of 2000–15,000 mg/L, the SS concentration of 600–1000 mg/L, the chromaticity color of 6000–10,000 and the pH of 5–6.2.2.
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