[1]林金清,龙明策,吴宝林,等.光助类Fenton降解结晶紫染料废水[J].华侨大学学报(自然科学版),2005,26(3):299-302.[doi:10.3969/j.issn.1000-5013.2005.03.019]
 Lin Jinqing,Long Mingce,Wu Baolin,et al.UV Light-Aided Degradation of Crystal Violet in Dyeing Wastewater with Fenton Reaction[J].Journal of Huaqiao University(Natural Science),2005,26(3):299-302.[doi:10.3969/j.issn.1000-5013.2005.03.019]
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光助类Fenton降解结晶紫染料废水()
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《华侨大学学报(自然科学版)》[ISSN:1000-5013/CN:35-1079/N]

卷:
第26卷
期数:
2005年第3期
页码:
299-302
栏目:
出版日期:
2005-07-20

文章信息/Info

Title:
UV Light-Aided Degradation of Crystal Violet in Dyeing Wastewater with Fenton Reaction
文章编号:
1000-5013(2005)03-0299-04
作者:
林金清龙明策吴宝林许庆清
华侨大学材料科学与工程学院; 华侨大学材料科学与工程学院 福建泉州362021; 福建泉州362021; 福建泉州362021
Author(s):
Lin Jinqing Long Mingce Wu Baolin Xu Qingqing
College of Material Science and Engineering, Huaqiao University, 362021, Quanzhou, China
关键词:
Photo-Fenton 过氧化氢 染料废水 结晶紫 降解
Keywords:
photo-Fenton hydrogen peroxide dyeing wastewater crystal violet degradation
分类号:
X788
DOI:
10.3969/j.issn.1000-5013.2005.03.019
文献标志码:
A
摘要:
研究阳离子染料结晶紫在UV/Fe3+/H2O2体系下的均相降解,考察pH值、H2O2和Fe3+用量等条件对脱色率及COD去除率的影响.结果表明,紫外光能促进染料的脱色与矿化.当pH=2.70,H2O2=340mg·L-1,Fe3+=28mg·L-1时,结晶紫废水在80min下的脱色率大于99%,COD去除率达到60.1%.H2O2分次投加时,COD去除率可提高到70.6%,反应表观活化能测定为79.0kJ·mol-1.反应20min后,水样的紫外-可见光谱表明,染料分子共轭结构被破化,但仍以小分子化合物存在.水样中的BOD5/COD由0.034提高到0.320,可生化性大大改善.
Abstract:
Regarding the cationic dye crystal violet in the system of UV light-Fe 3+ /H2O2, the authors study its homo-geneous degradation and investigate the effects of pH value and dosage of H2O2 and Fe 3+ and other condition on rate of decolorization and rate of COD removal. The results show that the UV light is able to promote decolorization and minerali-zation of dyestuff. The results are obtained under the condition of pH 2.70, H2O2 340 mg·L -1 and Fe 3+ 28 mg·L -1 . After oxidation for 80 minutes, more than 99% crystal violet is degraded; COD removal attains 60.1 % and increases to 70.6% when H2O2 is put in fractionally; while reaction apparently activated energy is determined as 79.0 kJ·mol -1 . After oxidation for 20 minutes, UV-VIS spectrum of dye solution sample shows the destruction of the conjugation structure of dye molecules which still exist as chemical of small molecules; BOD5/COD of dye solution sample increases from 0.034 to 0.32, which indicated that the biodegradability of wastewater is greatly improved.

参考文献/References:

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备注/Memo

备注/Memo:
福建省自然科学基金资助项目(E0210022); 华侨大学科研基金资助项目(03HZR5)
更新日期/Last Update: 2014-03-23