翻堆策略对猪粪沼渣好氧发酵特性的影响

李春燕; 张曦; 沈玉君; 孟海波; 文宏达; 郑圣尉; 周海宾; 程红胜

doi:10.13205/j.hjgc.202101020

翻堆策略对猪粪沼渣好氧发酵特性的影响

doi: 10.13205/j.hjgc.202101020

李春燕^1,2,3,
张曦^2,3,
沈玉君^2,3,
孟海波^2,3,
文宏达^1, ,,
郑圣尉⁴,
周海宾^2,3,
程红胜^2,3

1. 河北农业大学资源与环境科学学院, 河北保定 071001;
2. 农业农村部规划设计研究院, 北京 100125;
3. 农业农村部资源循环利用技术与模式重点实验室, 北京 100125;
4. 宁波市政工程建设集团股份有限公司, 浙江宁波 315000

基金项目:

“十三五”国家重点研发计划项目（2017YFD0800800）。

详细信息

作者简介:
李春燕(1995-),女,硕士,主要研究方向为农业废弃物资源化利用。lcy0310a@163.com

通讯作者:
文宏达(1970-),男,博士,教授,主要研究方向为水土资源高效利用研究。wenhd@163.com

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- 文章访问数: 232
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- 被引次数: 0
出版历程
- 收稿日期: 2019-11-06
- 网络出版日期: 2021-04-23

EFFECTS OF TURNING STRATEGY ON AEROBIC FERMENTATION PROPERTY OF PIG BIOGAS RESIDUE

1. College of Resources and Environment Science, Agricultural University of Hebei, Baoding 071001, China;
2. Academy of Agricultural Planning and Engineering, Beijing 100125, China;
3. Key Laboratory of Technologies and Models for Cyclic Utilization from Agricultural and Rural Affairs, Beijing 100125, China;
4. Ningbo Municipal Engineering Construction Group Co., Ltd, Ningbo 315000, China

摘要

摘要: 为探究翻堆对好氧发酵过程及产品理化性质的影响，明确沼渣好氧发酵的最佳翻堆策略，开展7组不同翻堆时间和频率的猪粪沼渣好氧发酵试验，分别在好氧发酵高温中、后期和降温前、中、后期进行翻堆1次、2次或3次，对好氧发酵过程中的理化性质和腐熟指标进行分析评价。结果表明：翻堆可延长好氧发酵高温期，加快降温期的降温速度。在高温期和降温期进行翻堆2~3次，能够更有效促进可挥发性固体的降解，提高产品腐殖化程度和种子发芽指数。综合好氧发酵过程的无害化和腐熟度指标，最佳翻堆策略是在高温期后期、降温期中期（T2）和高温期中期、降温期前期（T3）进行翻堆2次。此外，经翻堆处理后好氧发酵20 d即可达到腐熟，因此可将发酵周期缩短至20 d。
- 猪粪沼渣 /
- 好氧发酵 /
- 翻堆 /
- 温度 /
- 腐熟
Abstract: An experiment was conducted to study the effect of pile turning on aerobic fermentation process and product properties and evaluate the best turning strategy of pig biogas residue. Seven treatments were conducted, which had different tuning time and frequency that were turned 1, 2 or 3 times at high-temperature of medium and late stages, as well as early, medium and late stages of cooling period. The results showed that composting could prolong the high temperature period of aerobic fermentation and accelerate the cooling rate in the cooling period. The results showed that turning 2 to 3 times in high temperature and cooling period could effectively promote the degradation of volatile solids, improve the humification degree of products and seed germination index. According to the harmless and maturity indexes of aerobic fermentation process, the best composting strategy was to turn the compost twice in the late high temperature period, the middle cooling period (T2), the middle high temperature period and the early cooling period (T3). In addition, the fermentation period could be shortened to 20 days after composting.
- pig biogas residue /
- aerobic fermentation /
- turning /
- temperature /
- maturity

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