某酵母厂污水3DEEMs特性的影响因素分析

doi:10.6048/j.issn.1001-4330.2020.11.023

新疆农业科学 ›› 2020, Vol. 57 ›› Issue (11): 2144-2155.DOI: 10.6048/j.issn.1001-4330.2020.11.023

• 作物遗传育种·种质资源·分子遗传学·土壤肥料·农产品分析检测 • 上一篇

某酵母厂污水3DEEMs特性的影响因素分析

王悦^1,2, 彭小武^2,3, 程艳^2,3, 王文全¹, 王晓愚^2,3, 孟永霞⁴, 张健⁵

1.新疆农业大学草业与环境科学学院,乌鲁木齐 830052;
2.新疆环境污染防治与风险控制重点实验室,乌鲁木齐 830012;
3.新疆环境保护科学研究院,乌鲁木齐 830012;
4.新疆农业大学水利与土木工程学院,乌鲁木齐 830052;
5.上海琸源水生态环境工程有限公司,上海 200003

收稿日期:2020-02-15 出版日期:2020-11-20 发布日期:2020-10-23
通信作者: 彭小武(1969-),女,湖南新邵人,高级工程师,硕士,研究方向为环境污染防控,(E-mail)437848836@ qq.com
作者简介:王悦(1994-),女,河南周口人,硕士研究生,研究方向为环境污染控制与修复,(E-mail)851485837@qq.com
基金资助:
中国科学院"西部青年学者"项目(2017-XBQNXZ-A-011)

Analysis of Factors Affecting the Characteristics of 3DEEMs in a Yeast Plant Wastewater

WANG Yue^1,2, Peng Xiaowu^2,3, CHENG Yan^2,3, WANG Wenquan¹, WANG Xiaoyu^2,3, MENG Yongxia⁴, ZHANG Jian⁵

1. College of Pratacultural and Environmental Sciences, Xinjiang Agricultural University, Urumqi 830052, China;
2. Key Laboratory of Environmental Pollution Control and Risk Control in Xinjiang, Urumqi 830012, China;
3. Xinjiang Academy of Environmental Protection Sciences, Urumqi 830012, China;
4. College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi 830052, China;
5. Shanghai Zhuoyuan Water Ecological Environment Engineering Co., Ltd., Shanghai 200003,China

Received:2020-02-15 Online:2020-11-20 Published:2020-10-23
Correspondence author: PENG Xiaowu (1969-), female,native place: Xinshao County Hunan. senior engineer, research direction for environmental pollution prevention and control, (E-mail) 437848836 @ qq.com
Supported by:
Project conducted by the“Young Scholars of Western China”of the Chinese Academy of Sciences (2017-XBQNXZ-A-011)

摘要/Abstract

摘要： 【目的】 以某城市酵母厂污水为研究对象,利用三维荧光光谱技术(3DEEM),确定该厂水体DOM的三维荧光光谱特性,研究不同浓度以及pH条件对溶解性有机物的三维荧光指纹特性影响。【方法】 取该厂污水处理的进水与出水水样,并且采用单因素试验的方法分别改变进、出水的浓度(稀释倍数1-6)和pH(2-12),测定原水样的荧光光谱以及改变条件后水样的荧光光谱,分析不同环境因素对水体DOM三维荧光特征的影响。【结果】 (1)该厂污水处理进水具有2个明显荧光峰,分别为类蛋白峰B峰和类腐殖酸峰C峰;出水只检测到类腐殖酸荧光峰A峰与C峰。(2)类腐殖酸峰和类蛋白质峰的荧光强度随着进、出水稀释倍数的增加而降低,除了出水的C峰位置没有明显偏移,其他各荧光峰位置都出现了不同程度的红移和蓝移。(3)pH值的变化对荧光特性的影响比较显著,随着pH值的增大,进、出水的荧光峰都发生不同程度的红移或者蓝移;进水水样B峰与C峰的荧光强度随着pH值的增大都呈现先上升后下降的趋势,只是B峰荧光强度最大值出现在pH=6时,而C峰荧光强度最大值出现在pH=10时。出水的A峰与C峰变化趋势比较相似,水样呈酸性时,荧光强度随pH的增加而增大,上升幅度比较强烈;水样在碱性条件下,荧光强度随pH的增加而减小,但是下降的幅度却非常平缓;A峰的最大值出现在pH=8,C峰的最大值出现在pH=6。【结论】 水体浓度以及pH值的变化会改变DOM溶液中带电离子与官能团之间的相互作用而使得荧光峰位置的偏移和荧光强度的增减。

关键词: 溶解性有机物; 三维荧光光谱; 荧光强度; 浓度; pH

Abstract: 【Objective】 To determine the three-dimensional fluorescence spectrum characteristics of DOM in the wastewater of a yeast plant in a city, and to explore the influence of different concentrations and pH conditions on the three-dimensional fluorescence fingerprint characteristics of dissolved organic matter.【Methods】 The influent and effluent water samples of a yeast enterprise sewage treatment were taken, and the concentration (dilution ratio 1-6) and pH (2-12) of them were respectively changed by single factor experiment. The fluorescence spectra of the original water samples and the fluorescence spectra after changing the conditions were measured to analyze the influence of different environmental factors on the three-dimensional fluorescence characteristics of DOM in the water.【Results】 There were two obvious fluorescence peaks in the wastewater treatment of the yeast plant, which were protein like peak B and humic acid like peak C. Only humic acid like peak A and C were detected in the effluent. The results of concentration effect study showed that the fluorescence intensity of humic acid-like peak and protein-like peak decreased with the increase of dilution ratio of inlet and outlet water, but the position of fluorescence peak hardly shifted. The change of pH value had a significant effect on the fluorescence characteristics. With the increase of pH value, the fluorescence peaks in and out of water had red shift or blue shift in varying degrees. The fluorescence intensity of B and C peaks in the water sample increased first and then decreased with the increase of pH value, except that the maximum fluorescence intensity of B peak appeared at pH = 6, while the maximum fluorescence intensity of C peak appeared at pH = 10.0. The trend of a-peak and c-peak was similar. When the water sample was acidic, the fluorescence intensity increased with the increase of pH, and the increase range was strong; when the water sample was alkaline, the fluorescence intensity decreased with the increase of pH, but the decrease range was very gentle. The maximum value of A peak appeared at pH=8, and the maximum value of C peak appeared at pH=6.【Conclusion】 The change of water concentration and pH value will change the interaction between charged ions and functional groups in DOM solution, which will lead to the shift of fluorescence peak position and the increase of fluorescence intensity.

Key words: dissolved organic matter; three-dimensional fluorescence spectra; fluorescence intensity; concentration; pH

中图分类号:

王悦, 彭小武, 程艳, 王文全, 王晓愚, 孟永霞, 张健. 某酵母厂污水3DEEMs特性的影响因素分析[J]. 新疆农业科学, 2020, 57(11): 2144-2155.

WANG Yue, Peng Xiaowu, CHENG Yan, WANG Wenquan, WANG Xiaoyu, MENG Yongxia, ZHANG Jian. Analysis of Factors Affecting the Characteristics of 3DEEMs in a Yeast Plant Wastewater[J]. Xinjiang Agricultural Sciences, 2020, 57(11): 2144-2155.

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某酵母厂污水3DEEMs特性的影响因素分析

Analysis of Factors Affecting the Characteristics of 3DEEMs in a Yeast Plant Wastewater

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