添加钢渣恢复厌氧消化酸化系统提高沼气产量

X705; 针对厌氧消化酸化后传统恢复产气方法成本高,产气率低的问题,该文通过对比研究钢渣和碱对酸化后发酵体系的恢复作用,结果表明酸化体系添加钢渣后累积产气率为285.33 mL/g,较传统法(加碱)提高了25.8％,两组数据差异显著.同时对恢复产气后的pH值,总挥发性脂肪酸(total volatile fatty acid),碱度(alkalinity),挥发性脂肪酸(volatile fatty acids)进行了监测分析,发现两组的上述数据差异并不显著,TVFA/TA和丙酸/乙酸的比值更加有效指示两体系恢复后的稳定性,且添加钢渣体系较加碱体系提前8 d恢复正常.最后分析了恢复产气后消化...

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Published in农业工程学报 Vol. 34; no. 17; pp. 229 - 234
Main Authors 邹惠, 高明, 汪群慧, 于淼, 任媛媛, 刘凯, 吴川福
Format Journal Article
LanguageChinese
Published 北京科技大学能源与环境工程学院环境工程系,北京 100083 01.09.2018
工业典型污染物资源化处理北京市重点试验室,北京 100083%北京科技大学能源与环境工程学院环境工程系,北京,100083
Subjects
恢复产气
垃圾
碱
钢渣
甲烷
厌氧消化
Online AccessGet full text
ISSN1002-6819
DOI10.11975/j.issn.1002-6819.2018.17.030

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Abstract X705; 针对厌氧消化酸化后传统恢复产气方法成本高,产气率低的问题,该文通过对比研究钢渣和碱对酸化后发酵体系的恢复作用,结果表明酸化体系添加钢渣后累积产气率为285.33 mL/g,较传统法(加碱)提高了25.8％,两组数据差异显著.同时对恢复产气后的pH值,总挥发性脂肪酸(total volatile fatty acid),碱度(alkalinity),挥发性脂肪酸(volatile fatty acids)进行了监测分析,发现两组的上述数据差异并不显著,TVFA/TA和丙酸/乙酸的比值更加有效指示两体系恢复后的稳定性,且添加钢渣体系较加碱体系提前8 d恢复正常.最后分析了恢复产气后消化液中重金属,两体系的重金属含量完全满足NY/T 2065-2011沼肥施用技术规范中的相关要求,此举提供了一种优于传统恢复酸化液渣产气的方式,为解决实际工程易酸化、恢复产气成本高的问题提出了新的解决方法.
AbstractList X705; 针对厌氧消化酸化后传统恢复产气方法成本高,产气率低的问题,该文通过对比研究钢渣和碱对酸化后发酵体系的恢复作用,结果表明酸化体系添加钢渣后累积产气率为285.33 mL/g,较传统法(加碱)提高了25.8％,两组数据差异显著.同时对恢复产气后的pH值,总挥发性脂肪酸(total volatile fatty acid),碱度(alkalinity),挥发性脂肪酸(volatile fatty acids)进行了监测分析,发现两组的上述数据差异并不显著,TVFA/TA和丙酸/乙酸的比值更加有效指示两体系恢复后的稳定性,且添加钢渣体系较加碱体系提前8 d恢复正常.最后分析了恢复产气后消化液中重金属,两体系的重金属含量完全满足NY/T 2065-2011沼肥施用技术规范中的相关要求,此举提供了一种优于传统恢复酸化液渣产气的方式,为解决实际工程易酸化、恢复产气成本高的问题提出了新的解决方法.
Author 吴川福
高明
邹惠
于淼
任媛媛
汪群慧
刘凯
AuthorAffiliation 北京科技大学能源与环境工程学院环境工程系,北京 100083;工业典型污染物资源化处理北京市重点试验室,北京 100083%北京科技大学能源与环境工程学院环境工程系,北京,100083
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Author_FL Gao Ming
Wu Chuanfu
Zou Hui
Yu Miao
Ren Yuanyuan
Liu Kai
Wang Qunhui
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Keywords 恢复产气
垃圾
碱
钢渣
甲烷
厌氧消化
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工业典型污染物资源化处理北京市重点试验室,北京 100083%北京科技大学能源与环境工程学院环境工程系,北京,100083
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Title 添加钢渣恢复厌氧消化酸化系统提高沼气产量
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