| 微电解-絮凝预处理味精发酵废母液实验研究 |
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| 引用本文： | 李东伟,兰天,高先萍.微电解-絮凝预处理味精发酵废母液实验研究[J].环境工程学报,2009,3(11):1977-1980. |
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| 作者姓名： | 李东伟 兰天 高先萍 |
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| 作者单位： | 1. 重庆大学资源及环境科学学院,重庆,400030;重庆大学西南资源开发及环境灾害控制上程教育部重点实验室,重庆,400030
2. 重庆大学资源及环境科学学院,重庆,400030 |
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| 基金项目： | 重庆市自然科学基金资助项目（CSTC,2005BB7253） |
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| 摘 要： | 味精发酵废母液COD浓度极高，为了有效降低后续生物处理单元的负荷，研究采用微电解絮凝方法预处理该废水。实验研究了曝气对废水COD去除率的影响，用正交实验考察了原水和出水pH值、Fe/C和反应温度等因素对COD去除率的影响，实验结果表明，曝气能有效提高COD去除率；在正交实验确定的优化因素组合，即原水pH为2，出水pH值为9，Fe/C为0.5的条件下反应3 h，废水COD平均去除率可达到48.7%。
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| 关 键 词： | 微电解-絮凝 味精发酵废母液 |
Pretreatment of fermentation mother liquid of monosodium glutamate by microelectrolysis-flocculation |
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| Li Dongwei,Lan Tian and Gao Xianping.Pretreatment of fermentation mother liquid of monosodium glutamate by microelectrolysis-flocculation[J].Techniques and Equipment for Environmental Pollution Control,2009,3(11):1977-1980. |
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| Authors: | Li Dongwei Lan Tian and Gao Xianping |
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| Abstract: | Fermentation mother liquid of monosodium L-glutamate wastewater has very high COD concentration. In order to reduce organic load in the subsequent bio-treatments, a study of pretreatment using microelectrolysis-flocculation was carried out. The experiment investigated the influences of pH, Fe/C and reaction temperatures on COD removal rate and an orthogonal test was carried out to search the optimum experimental conditions. The result indicated that aerating can observably increase COD removal rate; the optimal reaction parameter were: initial pH =2, outflow pH =9, Fe/C =0. 5, reaction time =3 h, average COD removal rate can attain to 48. 7% under the optimal conditions. |
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| Keywords: | microelectrolysis-flocculation fermentation mother liquid of monosodium glutamate |
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