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2015•Guangzhou Chemical IndustryRequires access

Study on Optimum Operation of Using Fenton-SBR to Treat Oxalic Acid Wastewater

Shen Xiao-don

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Abstract

Fenton- SBR process was operated for treating oxalic acid wastewater. The results showed that impact of the residual hydrogen peroxide after Fenton reaction would affect SBR in domestication stage. SBR was accommodated by cultivating,the p H of the water outlet was elevated than the p H of the water inlet after SBR treatment. For oxalic acid production wastewater,COD of the water outlet was lower than 400 mg/L under the conditions of influent COD 4000 ~7000 mg/L by the combined treatment system,the total of COD removing rate maintained basically at 95%,which can meet the third grade standard of GB8978- 1996.

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What this paper is about

Fenton- SBR process was operated for treating oxalic acid wastewater. The results showed that impact of the residual hydrogen peroxide after Fenton reaction would affect SBR in domestication stage. SBR was accommodated by cultivating,the p H of the water outlet was elevated than the p H of the water inlet after SBR treatment. For oxalic acid production wastewater,COD of the water outlet was lower than 400 mg/L under the conditions of influent COD 4000 ~7000 mg/L by the combined treatment system,the total of COD removing rate maintained basically at 95%,which can meet the third grade standard of GB8978- 1996.

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Available abstract

Fenton- SBR process was operated for treating oxalic acid wastewater. The results showed that impact of the residual hydrogen peroxide after Fenton reaction would affect SBR in domestication stage. SBR was accommodated by cultivating,the p H of the water outlet was elevated than the p H of the water inlet after SBR treatment. For oxalic acid production wastewater,COD of the water outlet was lower than 400 mg/L under the conditions of influent COD 4000 ~7000 mg/L by the combined treatment system,the total of COD removing rate maintained basically at 95%,which can meet the third grade standard of GB8978- 1996.

Key concepts: Oxalic acid, Wastewater, Hydrogen peroxide, Chemistry, Pulp and paper industry, Waste management, Nuclear chemistry, Environmental engineering

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