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| Characteristics of Effluent Organic Matter (EfOM) in Biological Effluent of Pulp and Paper Wastewater and Removal Behavior of EfOM by Fenton Process |
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| DOI：10.11980/j.issn.0254-508X.2014.11.006 |
| Key Words:pulp and paper effluent EfOM Fenton process removal behavior of organics |
| Author Name | Affiliation | | 陈永利1 | 1.广西大学化学化工学院,广西南宁,530004 | | 刘 杨2 | 2. 广西大学轻工与食品工程学院,广西南宁,530004 | | 王双飞2,* | 2. 广西大学轻工与食品工程学院,广西南宁,530004 | | 宋海农3 | 3. 广西博世科环保科技股份有限公司,广西南宁,530007 | | 陈 楠3 | 3. 广西博世科环保科技股份有限公司,广西南宁,530007 | | 周永信3 | 3. 广西博世科环保科技股份有限公司,广西南宁,530007 |
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| Abstract:In this paper the composition and properties of EfOM in biological effluent of pulp and paper wastewater and the removal behavior of EfOM by Fenton process were studied. Results showed that hydrophobic organic fractions predominated in EfOM, especially hydrophobic acid, its CODCr and UV254 were 64% and 53%, respectively. The EfOM mainly contained the substances with apparent molecular weight (AMW) higher than 10000. EfOM was effectively removed by Fenton process. The recommended dosage was 0.5 Qth, pH was 3, ［H2O2］∶［Fe2+］ was 5∶1, and the reaction time was 20 min, the effluent of Fenton process could meet the discharge requirement of the regulation. The main organic matter of effluent of Fenton process was hydrophobic acid, the next was hydrophilic matters, the organic matters with high molecular weight were removed effectively, about 60% of organic matters of the effluent were with AMW lower than 3000. |
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