| 臭氧—BAF技术在印染废水回用处理中的应用 |
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| 引用本文： | 梁晶.臭氧—BAF技术在印染废水回用处理中的应用[J].南通职业大学学报,2014(4):80-84. |
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| 作者姓名： | 梁晶 |
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| 作者单位： | 南京化工职业技术学院 化学系,南京,210048 |
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| 基金项目： | 南京化工职业技术学院重点科研项目 |
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| 摘 要： | 对臭氧-曝气生物滤池（BAF）技术在印染废水中的应用进行了研究,结果表明,臭氧投加量为15 mg/L,臭氧与废水的接触时间为60 min时,废水的B/C由0.1提高到0.23左右,印染废水的生化性得到较大的提高;同时,当BAF的停留时间达到3 h时,出水的CODcr为48.22 mg/L、BOD5为9.54 mg/L、SS为8.17 mg/L、色度为18时,出水水质达到相关标准。
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| 关 键 词： | 臭氧-BAF 印染废水 回用 深度处理 |
Application of Ozone-BAF Process in Printing and Dyeing Wastewater Reuse |
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| LIANG Jing.Application of Ozone-BAF Process in Printing and Dyeing Wastewater Reuse[J].Journal of Nantong Vocational College,2014(4):80-84. |
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| Authors: | LIANG Jing |
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| Institution: | LIANG Jing (Department of Applied Chemistry, Nanjing College of Chemical Technology, Nanjing 210048, China) |
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| Abstract: | To advanced treating and then reusing the printing and dyeing wastewater effectively, a bridge technology of Ozone- BAF is adopted in this article. During the Ozone treatment process, the quality, espe-cially the biodegradability of the wastewater is analyzed with two influence factors, the Ozone dosage, and the contact time between the Ozone and the wastewater. The test results show that B/Cin the wastewater increases from0.1to0.23, when the Ozone dosage is15mg/L and the contact time is60min. Thus, the biodegradability of the wastewater has been improved. After that, the wastewater goes to the BAF process. The influence of hy-draulic retention time in the BAF to the water quality is studied. The test results, CODcr is 48.22mg/L, BOD5is9.54mg/L, SSis8.17mg/L and Chromaticity is 18 when the hydraulic retention time in the BAF is 3h, show the treated wastewater satisfies the relevant standards and can be reused. |
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| Keywords: | ozone-BAF printing and dyeing wastewater reuse advanced treatment |
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