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Treatment of Domestic Wastewater by H_2O_2 Enhanced Micro- electrolysis

Zhaosheng Cai

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Abstract

H2O2 enhanced micro-electrolysis was studied to treat domestic wastewater.The results show that when initial mass concentration of CODcr is 300 mg/L,w(Fe)︰w(C)=1︰1,pH=6,dosage of H2O(230%)=0.05%,reaction time =40 min,removal rate of CODcr reaches 80%,mass concentration of CODcr decreases below 60 mg/L and reaches GB 18918-2002.After the above system is reused for 19 times,the removal rate of CODcr can still reach 50%.

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What this paper is about

H2O2 enhanced micro-electrolysis was studied to treat domestic wastewater.The results show that when initial mass concentration of CODcr is 300 mg/L,w(Fe)︰w(C)=1︰1,pH=6,dosage of H2O(230%)=0.05%,reaction time =40 min,removal rate of CODcr reaches 80%,mass concentration of CODcr decreases below 60 mg/L and reaches GB 18918-2002.After the above system is reused for 19 times,the removal rate of CODcr can still reach 50%.

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Available abstract

H2O2 enhanced micro-electrolysis was studied to treat domestic wastewater.The results show that when initial mass concentration of CODcr is 300 mg/L,w(Fe)︰w(C)=1︰1,pH=6,dosage of H2O(230%)=0.05%,reaction time =40 min,removal rate of CODcr reaches 80%,mass concentration of CODcr decreases below 60 mg/L and reaches GB 18918-2002.After the above system is reused for 19 times,the removal rate of CODcr can still reach 50%.

Key concepts: Wastewater, Electrolysis, Chemistry, Mass concentration (chemistry), Nuclear chemistry, Pulp and paper industry, Environmental chemistry, Waste management

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