市政污泥堆肥过程中挥发性硫化物(VSC)和NH<sub>3</sub>释放规律

赵珊; 郭学彬; 杨晓芳; 王东升

doi:10.13205/j.hjgc.202102013

市政污泥堆肥过程中挥发性硫化物(VSC)和NH₃释放规律

doi: 10.13205/j.hjgc.202102013

赵珊^1,2,3,
郭学彬^1, ,,
杨晓芳²,
王东升²

1. 北京城市排水集团有限责任公司科技研发中心, 北京 100124;
2. 中国科学院生态环境研究中心, 北京 100085;
3. 中国科学院大学, 北京 100049

基金项目:

北京市科技计划项目（Z181100005518008）。

详细信息

作者简介:
赵珊(1981-),女,硕士,主要研究方向为市政污水厂恶臭污染治理。869619820@qq.com

通讯作者:
郭学彬(1990-),男,硕士,主要研究方向为市政污水厂恶臭污染治理。980418100@qq.com

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- 文章访问数: 162
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- 被引次数: 0
出版历程
- 收稿日期: 2019-12-11
- 网络出版日期: 2021-07-19

RESEARCH ON VOLATILE SULFIDE (VSC) AND AMMONIA EMISSION LAW IN PROCESS OF MUNICIPAL SLUDGE COMPOSTING

1. Beijing Drainage Group Co., Ltd, Research Center, Beijing 100124, China;
2. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China

摘要

摘要: 以华北地区某市政污泥堆肥厂为研究对象，开展市政污泥堆肥过程中恶臭气体（挥发性硫化物（VSC）和NH₃）的释放规律研究。用苏玛罐、静态箱采集和气相色谱检测方法，测定了污泥堆肥厂VSC和NH₃空间分布及堆肥过程中的释放规律。结果表明：堆肥过程中产生的典型恶臭物质为NH₃、甲硫醚（DMS）和二甲二硫（DMDS）等，且在静态箱内20 min静置累积浓度排序为NH₃>DMDS>DMS>CS₂>MT>H₂S。NH₃平均累积浓度为2.62~119.64 mg/m³，VSC累积浓度比NH₃低1~2个数量级。针对市政污泥堆肥过程中主要气态污染物的种类及含量的分析，为开展恶臭气体治理提供了参考。
- 市政污泥 /
- 堆肥 /
- 挥发性硫化物 /
- 氨气 /
- 释放规律
Abstract: The release law of malodorous gases (volatile sulfide (VSC) and ammonia) during municipal sludge composting was investiagted in this paper, by taking a municipal sludge composting plant in North China as the research object. The spatial distribution of VSC and ammonia in the sludge composting plant and the release law in the composting process were determined by Suma tank and static box collection and then gas chromatography. The results indicated that the main components in the composting process of sludge were ammonia, dimethyl sulfide and dimethyl disulfide, and the order of cumulative concentration in the static tank for 20 minutes was NH₃>DMDS>DMS>CS₂>MT>H₂S. The average cumulative concentration of NH₃ was 2.62~119.64 mg/m³, and the cumulative concentration of VSC was 1~2 orders of magnitude lower than that of NH₃. Through this study, the types and contents of main gaseous pollutants in municipal sludge composting process were determined, which provided effective data support for engineering of odor treatment.
- municipal sludge /
- compost /
- VSC /
- ammonia /
- release rule

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参考文献(22)

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