Study on the treatment of wastewater from fermentation production by TiO2 whisker photocatalysis

doi:10.11894/1005-829x.2010.30(11).41

INDUSTRIAL WATER TREATMENT ›› 2010, Vol. 30 ›› Issue (11): 41-45. doi: 10.11894/1005-829x.2010.30(11).41

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Study on the treatment of wastewater from fermentation production by TiO₂ whisker photocatalysis

Qian Qinghua^1,2, Zhu Guiling², Qian Shasha¹, Zhang Ping², Lu Xiaohua¹

1. College of Chemistry and Chemical Engineering, Nanjing University of Technology, Nanjing 210009, China;
2. Lianyungang Technical College, Lianyungang 222006, China

Revised:2010-07-15 Online:2010-11-20 Published:2010-10-01

介孔氧化钛晶须光催化降解发酵生产废水的研究

钱清华^1,2, 祝桂林², 钱沙沙¹, 张萍², 陆小华¹

1. 南京工业大学化学化工学院, 江苏南京 210009;
2. 连云港职业技术学院, 江苏连云港 222006

作者简介:钱清华（1965- ）,2007 年毕业于南京工业大学，博士，副教授。电话：13951256281，E-mail： qqinghua@126.com。
基金资助:
国家自然科学基金项目(20246002,20236010,20676062);国家杰出青年科学基金项目(29925616);江苏省高校科研成果产业化推进项目(JHZD08-49);江苏省高等学校大学生实践创新训练计划项目

Abstract

Abstract:

Anatase TiO₂ whisker having micron-leveled appearance， comparatively high ratio of surface area and uniform apertures has been synthesized by using TiO₂·nH₂O and K₂CO₃ as raw materials. The COD changes of the wastewater from fermentation production are studied， under UV irradiation of wavelength 365 nm， and its initial COD of photocatalytic degradation is 200 mg/L. The results show that after treated by photolysis for 30 min， the COD of the wastewater decreases to 85 mg/L， meeting the recycle requirements. When the added dosage of crystal whisker is 0.5 g/L，the photocatalytic reaction speed is the fastest.

Key words: mesoporous TiO₂whisker, photocatalysis, fermentation wastewater

摘要：

以水合氧化钛和K₂CO₃为原料合成了具有微米级形貌、较高比表面积和均匀孔径的介孔锐钛矿型TiO₂晶须,研究了在波长为365 nm的紫外光下光催化降解初始COD为200 mg/L的发酵生产废水的COD变化。结果表明,在光解30 min后,废水COD降至85 mg/L,达到再利用要求;当加入TiO₂晶须质量浓度为0.5 g/L时,光催化反应速度最大。

关键词: 介孔TiO₂晶须, 光催化, 发酵废水

CLC Number:

X703.1

Qian Qinghua, Zhu Guiling, Qian Shasha, Zhang Ping, Lu Xiaohua. Study on the treatment of wastewater from fermentation production by TiO₂ whisker photocatalysis[J]. INDUSTRIAL WATER TREATMENT, 2010, 30(11): 41-45.

钱清华, 祝桂林, 钱沙沙, 张萍, 陆小华. 介孔氧化钛晶须光催化降解发酵生产废水的研究[J]. 工业水处理, 2010, 30(11): 41-45.

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URL: https://www.iwt.cn/EN/10.11894/1005-829x.2010.30(11).41

https://www.iwt.cn/EN/Y2010/V30/I11/41

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Study on the treatment of wastewater from fermentation production by TiO₂ whisker photocatalysis

介孔氧化钛晶须光催化降解发酵生产废水的研究

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