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2010•Journal of Huaiyin Institute of TechnologyRequires access

Experimental Study on Pretreatment of Aniline Wastewater by Fenton Oxidation

Jianfeng Pang

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Abstract

The pretreatment of aniline wastewater by Fenton reagent was studied. With the removal rates of COD and aniline of the wastewater as the index,different factors that influence the oxidation of organic matter by Fenton reagent were analyzed through single factor test. The results showed that: under the condition that the initial pH value was 3. 5,the dosage of H202 0. 3ml/l,FeSO4·7H20 0. 4g/l and the reaction time 80 min,the removal eficiency of aniline and COD could reached 54. 8% and 70. 3% respectively,the biodegradability of the wastewater was significantly improved,which was favorable for the following biochemical treatment.

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The pretreatment of aniline wastewater by Fenton reagent was studied. With the removal rates of COD and aniline of the wastewater as the index,different factors that influence the oxidation of organic matter by Fenton reagent were analyzed through single factor test. The results showed that: under the condition that the initial pH value was 3. 5,the dosage of H202 0. 3ml/l,FeSO4·7H20 0. 4g/l and the reaction time 80 min,the removal eficiency of aniline and COD could reached 54. 8% and 70. 3% respectively,the biodegradability of the wastewater was significantly improved,which was favorable for the following biochemical treatment.

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Available abstract

The pretreatment of aniline wastewater by Fenton reagent was studied. With the removal rates of COD and aniline of the wastewater as the index,different factors that influence the oxidation of organic matter by Fenton reagent were analyzed through single factor test. The results showed that: under the condition that the initial pH value was 3. 5,the dosage of H202 0. 3ml/l,FeSO4·7H20 0. 4g/l and the reaction time 80 min,the removal eficiency of aniline and COD could reached 54. 8% and 70. 3% respectively,the biodegradability of the wastewater was significantly improved,which was favorable for the following biochemical treatment.

Key concepts: Aniline, Wastewater, Reagent, Chemistry, Biodegradation, Organic matter, Nuclear chemistry, Pulp and paper industry

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