多因素共同作用对中温条件下污泥与餐厨垃圾联合厌氧发酵产H<sub>2</sub>的影响

王永萍; 方皓珏; 华若婷; 何雨恒; 张燕琼; 郑育毅; 刘常青; 甄广印

doi:10.13205/j.hjgc.202303014

多因素共同作用对中温条件下污泥与餐厨垃圾联合厌氧发酵产H₂的影响

doi: 10.13205/j.hjgc.202303014

1. 福建师范大学地理科学学院碳中和未来技术学院, 福州 350007;
2. 福建师范大学环境与资源学院碳中和现代产业学院福建省污染控制与资源循环利用重点实验室, 福州 350007;
3. 城市废物资源化技术与管理福建省高校工程研究中心, 福州 350007;
4. 华东师范大学生态与环境科学学院, 上海 200241

基金项目:

福建省科技厅公益类项目(2019R1015-1)

福建省科技厅对外合作项目(2021I0010)

福建省科技厅计划项目(2020N5015)

详细信息

作者简介:
王永萍(1996-),女,硕士研究生,主要研究方向为固体废物处理与资源化。2219362906@qq.com

通讯作者:
刘常青(1970-),女,博士,副教授,主要研究方向为固体废物处理与资源化。mylcq@yeah.net

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出版历程
- 收稿日期: 2022-04-12
- 网络出版日期: 2023-05-26
- 刊出日期: 2023-03-01

COMPREHENSIVE INFLUENCE OF MULTIPLE FACTORS ON HYDROGEN PRODUCTION FROM COMBINED ANAEROBIC FERMENTATION OF SLUDGE AND KITCHEN WASTE UNDER MEDIUM TEMPERATURE CONDITION

1. School of Geographical Sciences and School of Carbon Neutrality Future Technology, Fujian Normal University, Fuzhou 350007, China;
2. College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Key Laboratory of Pollution Control and Resource Reuse, Fujian Normal University, Fuzhou 350007, China;
3. Urban Waste Resource Technology and Management Fujian University Engineering Research Center, Fuzhou 350007, China;
4. School of Ecological and Environmental Science, East China Normal University, Shanghai 200241, China

摘要

摘要: 污泥与餐厨垃圾联合厌氧发酵产H₂既可减少环境污染,又可制备清洁能源,是一种理想的有机固废处理处置技术。通过4因素5水平正交设计的批式实验及产氢动力学,探究餐厨垃圾C/N、混合体系C/N、含水率、初始pH值4个主要因素共同作用对中温条件下污泥餐厨垃圾联合厌氧发酵产H₂的影响。极差与方差分析结果表明:4个主要因素对联合厌氧发酵产H₂结果影响较明显,而餐厨垃圾C/N和混合体系C/N的交互作用对产H₂结果的影响不显著。不考虑交互作用,以比氢气产量为产H₂效能主要表征指标,最终确定餐厨垃圾C/N 为20,联合发酵体系C/N为 10,初始pH值为7,含水率为90%时,产H₂效能最佳,此时的累积产氢量为1499.6 mL,比氢气产量为140.96 mL H₂/g DS,最大产氢速率为21.73 mL H₂/h,最大H₂浓度为55.79%。
- 污泥 /
- 餐厨垃圾 /
- 联合厌氧发酵 /
- 正交实验 /
- 产H₂ /
- 优化
Abstract: The combined anaerobic fermentation of sludge and kitchen waste under medium temperature to produce hydrogen is an ideal treatment and disposal technology for both reducing environmental pollution and generating clean energy. Through batch experiment with four factors and a five-level orthogonal design, the effects of four main factors, including kitchen waste C/N, system C/N, moisture content and initial pH value on the hydrogen production from the combined anaerobic fermentation of sludge and kitchen waste based on the hydrogen production performance, and the key factors optimization of conditions were studied under medium temperature condition. The analysis of range and variance showed that the four main factors had an obvious effect on hydrogen production performance, but neither did the interaction of kitchen waste C/N and system C/N. Meanwhile, ignoring the interaction effect, the optimal operational conditions obtained by orthogonal design with the maximum specific hydrogen yield as the dominant indication of biohydrogen performance were: a kitchen waste C/N of 20, combined anaerobic fermentation system C/N of 10, initial pH of 7 and moisture content of 90%, and the corresponding cumulative hydrogen production, specific hydrogen yield, maximum hydrogen production rate and maximum hydrogen concentration was 1499.6 mL, 140.96 mL H₂/g DS, 21.73 mL H₂/h and 55.79%, respectively.
- sludge /
- kitchen waste /
- combined anaerobic fermentation /
- orthogonal experiment /
- hydrogen production /
- optimization

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