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Treatment of Wastement of Wastewater from Phthalocyanine Blue Production

Abstract: The wastewater discharged from the production of phthalocyanine blue pigment contains COD 1860 mg/L;NH3-N 1034 mg/L and Cu2+ 26 mg/Land.When a combined process of chemical replacement-setting-biochemical treatment was used the COD in the treatment wastewater was 40 mg/L NH3-N was 11 mg/L and Cu2+ was 0.

Key words:pigment production;wastewater treatment;replacement;settling;biochemical treatment

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