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[1]代小元,沈 凡,戴武斌,等.碳化硅陶瓷膜处理工业废水的工艺特性研究[J].武汉工程大学学报,2018,40(03):284-287.[doi:10. 3969/j. issn. 1674?2869. 2018. 03. 010]
 DAI Xiaoyuan,SHEN Fan,DAI Wubin,et al.Process Characteristics of Industrial Wastewater Treatment with Silicon Carbide Ceramic Membrane[J].Journal of Wuhan Institute of Technology,2018,40(03):284-287.[doi:10. 3969/j. issn. 1674?2869. 2018. 03. 010]
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碳化硅陶瓷膜处理工业废水的工艺特性研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
40
期数:
2018年03期
页码:
284-287
栏目:
材料科学与工程
出版日期:
2018-06-26

文章信息/Info

Title:
Process Characteristics of Industrial Wastewater Treatment with Silicon Carbide Ceramic Membrane
文章编号:
20180310
作者:
代小元1沈 凡1戴武斌1 季家友1王树林12王 昭1徐 慢*12
1. 武汉工程大学材料科学与工程学院,湖北 武汉 430205;2. 湖北省环境材料与膜技术工程技术研究中心,湖北 武汉 430205
Author(s):
DAI Xiaoyuan1 SHEN Fan1 DAI Wubin1 JI Jiayou1 WANG Shulin12 WANG Zhao1 XU Man*12
1. School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430205,China;2. Engineering Research Center of Environmental Materials and Membrane Technology of Hubei Province,Wuhan 430205,China
关键词:
碳化硅陶瓷膜废水处理膜通量反冲洗
Keywords:
silicon carbide ceramic membrane industrial wastewater membrane flux backflushing
分类号:
TQ163+.4
DOI:
10. 3969/j. issn. 1674?2869. 2018. 03. 010
文献标志码:
A
摘要:
采用错流过滤法研究了碳化硅陶瓷膜对稀磷酸+矿浆、磷酸一铵料浆和含油切削液三种工业废水的处理效果及工艺特性,分析了过滤时间和跨膜压差对碳化硅陶瓷膜膜通量的影响规律,研究了反冲洗次数对碳化硅陶瓷膜通量的恢复规律。实验结果表明:以孔径为0.5 μm的碳化硅陶瓷膜,在跨膜压差为0.14 MPa,过滤时间为20 min的条件下过滤上述三种工业废水,滤液中悬浮物的含量分别为54 mg/L、49 mg/L、16 mg/L,均满足《污水综合排放标准》中的排放标准且膜通量随着过滤时间的延长逐渐下降,在16 min达到平衡;当跨膜压差为0.2 MPa时,碳化硅陶瓷膜对含油切削液的过滤效果最好,滤后水的含油量和悬浮物含量分别为0.78 mg/L和9.35 mg/L,满足排放要求。被污染后的陶瓷膜,利用气水混合反冲洗5次后,膜通量从250 L/(h·m2)恢复至406 L/(h·m2),恢复率达到97%以上。
Abstract:
The process characteristics of waste-water treatment and effects of the silicon carbide ceramic membranes were studied for three kinds of industrial waste water, the mixture of diluted phosphoric acid and pulp,monoammonium phosphate slurry and oil-containing cutting fluid by the cross-flow filtration method. The effects of the filtration time and transmembrane pressure on the flux through silicon carbide ceramic membranes were evaluated. And the flushing times for flux recovery were also investigated. The experimental results indicated that when the pore size of silicon carbide ceramin membrane was 0.5 μm,transmembrane pressure was 0.14 MPa,the filtration time was 20 min,the suspended solids contents in the filtrate were 54 mg/L,49 mg/L and 16 mg/L,respectively,meeting the Integrated Wastewater Discharge Standard. The membrane flux decreased with increasing filter time,then kept stable after 16 min. As for the oil containing cutting fluid,the filtation effect was best at 0.2 MPa transmembrane pressure. The contents of oil and suspended solids in the filtrate were 0.78 mg/L and 9.35 mg/L respectively,meeting the emissions standard. The flux of the contaminated ceramic membrane can be recovered from 250 L / (h·m2) to 406 L / (h·m2) with 97% or higher recovery ratio after backflushing for 5 times with the mixture of air and water.

参考文献/References:

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备注/Memo

备注/Memo:

收稿日期:2017-06-29基金项目:湖北省技术创新专项(2016ACA160);湖北省科技支撑计划项目(2014BAA102)作者简介:代小元,硕士研究生。 E-mail:670985952@qq.com*通讯作者:徐 慢,博士,教授。E-mail:1733784513@qq.com引文格式:代小元,沈凡,戴武斌,等. 碳化硅陶瓷膜处理工业废水的工艺特性研究[J]. 武汉工程大学学报,2018,40(3):284-287.
更新日期/Last Update: 2018-06-28