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組合式生物脫氮除碳法處理尼龍6廢水

時(shí)間:2023-04-25 20:08:56 環(huán)境保護(hù)論文 我要投稿
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組合式生物脫氮除碳法處理尼龍6廢水

摘要: 用包含水解酸化、硝化和反硝化三個(gè)反應(yīng)器的組合式生物脫氮除碳系統(tǒng)處理尼龍6廢水,著重分析了該系統(tǒng)的回流比,溶解氧.結(jié)果顯示系統(tǒng)的最佳工藝參數(shù)為:回流比為3,反應(yīng)器的溶解氧分別為0.5~1.0 mg·L-1、3.0~3.3 mg·L-1、1.8~2.3 mg·L-1、,同時(shí)CODCr和TN的去除率分別為95.85%、61.04%. Abstract: A combined system consisting of hydrolysis acidification, denitrification and nitrification reactors was used to removal carbon and nitrogen from the nylon-6 production wastewater. The effects of circumfluence ratio, and DO concentration on the system performance were analyzed. Results showed that when the circumfluence ratio was 3, DO of the hydrolysis acidification reactor, the first submerged biofilm reactor and the second submerged biofilm reactor were 0.5~1.0 mg·L-1, 3.0~3.3 mg·L-1 and 1.8~2.3 mg·L-1, respectively, the system performance was the optimal and CODcr and TN removal efficiency was up to 95.85% and 61.04%. 作 者: 劉國(guó)華    張曼    劉芳    陳季華    LIU Guo-hua    ZHANG Man    LIU Fang    CHEN Ji-hua   作者單位: 東華大學(xué)環(huán)境科學(xué)與工程學(xué)院,上海,200051  期 刊: 中山大學(xué)學(xué)報(bào)(自然科學(xué)版)  ISTICPKU   Journal: ACTA SCIENTIARUM NATURALIUM UNIVERSITATIS SUNYATSENI  年,卷(期): 2007, 46(z1)  分類號(hào): X703  關(guān)鍵詞: 尼龍6廢水    回流比    溶解氧    脫氮除碳    Keywords: nylon-6 production wastewater    circumfluence ratio    DO    removal of carbon and nitrogen   

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