高浓酵母废水中焦糖色素的提取及对污染负荷的影响

doi:10.3969/j.issn.1000-565X.2017.11.017

华南理工大学学报(自然科学版) ›› 2017, Vol. 45 ›› Issue (11): 120-125.doi: 10.3969/j.issn.1000-565X.2017.11.017

高浓酵母废水中焦糖色素的提取及对污染负荷的影响

李友明¹ 葛广德¹ 方学兴² 胡松青² 侯轶^1,2†

1．华南理工大学制浆造纸工程国家重点实验室，广东广州 510640; 2．华南理工大学食品科学与工程学院，广东广州 510640

收稿日期:2016-12-14 修回日期:2017-05-11 出版日期:2017-11-25 发布日期:2017-10-01
通信作者: 侯轶(1973-)，女，博士，高级工程师，主要从事工业废水处理工艺与设计研究． E-mail:ceyhou@scut.edu.cn
作者简介:李友明(1957-)，男，教授，博士生导师，主要从事制浆造纸清洁生产技术、造纸化学品等的研究． E-mail:ymli3@scut．edu．cn
基金资助:
国家自然科学基金资助项目(21476091);广东省科技计划项目(2015A020215009)

Extraction of Caramel Pigment from High-Concentration Yeast Wastewater and its Influence on Pollution Load

LI You-ming¹ GE Guang-de¹ FANG Xue-xing² HU Song-qing² HOU Yi^1,2

1.State Key Laboratory of Pulp and Paper Engineering,South China University of Technology Guangzhou 510640,Guangdong,China; 2.School of Food Science and Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China

Received:2016-12-14 Revised:2017-05-11 Online:2017-11-25 Published:2017-10-01
Contact: 侯轶(1973-)，女，博士，高级工程师，主要从事工业废水处理工艺与设计研究． E-mail:ceyhou@scut.edu.cn
About author:李友明(1957-)，男，教授，博士生导师，主要从事制浆造纸清洁生产技术、造纸化学品等的研究． E-mail:ymli3@scut．edu．cn
Supported by:
Supported by the National Natural Science Foundation of China(21476091) and the Science and Technology Planning Project of Guangdong Province，China(2015A020215009)

摘要/Abstract

摘要： 为明确高浓酵母废水中焦糖色素对污染负荷的影响，本文采用超滤膜分离法提取高浓酵母废水中的焦糖色素，考察了所提取焦糖色素的性质和处理前后废水的污染性质的变化以及对厌氧处理的影响。结果表明：高浓酵母废水中的焦糖色素可提取出来进行资源化利用，其提取得率为15g/L，提取出的焦糖色素品质达到国家标准，高浓酵母废水经提取焦糖色素后，其废水的COD_Cr和色度大幅度降低，污染负荷明显下降，可生化性能升高，COD_Cr/BOD₅值由0.33提高到0.51，进而大幅度提高了后续厌氧处理工艺的效率。研究结果为高浓发酵废水资源化利用及有效处理提供了新的技术路线。

关键词: 酵母废水, 焦糖色素, 超滤膜法, 厌氧处理工艺, 污染负荷

Abstract: In order to determine the effect of the caramel pigment on the pollution load in high-concentration yeast wastewater,the caramel pigment in the high-concentration yeast wastewater was extracted by means of ultrafiltration membrane separation.Then,the properties of the caramel pigment were investigated,and the influence of the ex- traction on both the pollution load and the subsequent anaerobic treatment was also explored.The results show that the caramel pigment in the high-concentration yeast wastewater can be extracted for the utilization of resource,with an extraction ratio of 15g/L and an appearance quality which is up to the national standard.After the extraction,the COD_Cr and color of the wastewater and the pollution load significantly decrease,while the biodegradability of COD_Cr /BOD₅ increases from 0. 33 to 0. 51,and thus the efficiency of the subsequent anaerobic treatment is greatly improved.The research results can provide a new technical route for the resource utilization and effective treatment of high-concentration fermentation wastewater.

Key words: yeast wastewater, caramel color, ultrafiltration membrane, anaerobic treatment process, pollution load

中图分类号:

X703.1

李友明葛广德方学兴胡松青侯轶. 高浓酵母废水中焦糖色素的提取及对污染负荷的影响[J]. 华南理工大学学报(自然科学版), 2017, 45(11): 120-125.

LI You-ming GE Guang-de FANG Xue-xing HU Song-qing HOU Yi. Extraction of Caramel Pigment from High-Concentration Yeast Wastewater and its Influence on Pollution Load[J]. Journal of South China University of Technology(Natural Science Edition), 2017, 45(11): 120-125.

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高浓酵母废水中焦糖色素的提取及对污染负荷的影响

Extraction of Caramel Pigment from High-Concentration Yeast Wastewater and its Influence on Pollution Load

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