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当前位置: 首页 > 文章 > 猪场沼液高值化综合利用研究进展及前景分析 中国沼气 2019 (2) 69-74
Position: Home > Articles > Progress and Prospect of Value-added Utilization OF Liquid Digestate from Pig Farm China Biogas 2019 (2) 69-74

猪场沼液高值化综合利用研究进展及前景分析

作  者：
巫小丹;岑庆静;吴冬梅;郑洪立;向书玉;廖钟娟;罗玲;阮榕生;刘玉环
单  位：
南昌大学图书馆;南昌大学生物质转化教育部工程研究中心;南昌大学食品学院
关键词：
规模化养猪;沼液;综述;高值化利用;综合体系
摘  要：
生猪养殖是关系国计民生的重要产业,近年来呈规模化、集约化发展态势,养殖污水排放量大、污染负荷重,直接威胁环境生态安全。沼气工程迅速发展,沼液产量巨大,如得不到合理利用处理,不仅制约沼气工程的发展,还会造成二次污染。沼液富含氮、磷等营养元素,长期以来在种植业、林业和养殖业应用广泛。为实现养猪沼液梯度处理,构建高值化综合利用体系,文章对养猪沼液高附加值资源化利用现状进行了调查研究,综述了膜分离浓缩技术、腐植酸膜提取技术、氨氮提取回收技术、生物质转化技术及光催化技术等在沼液高值化利用的应用进展,并展望了养猪沼液高值化综合利用体系发展前景。
译  名：
Progress and Prospect of Value-added Utilization OF Liquid Digestate from Pig Farm
作  者：
WU Xiao-dan;CEN Qing-jing;WU Dong-mei;ZHENG Hong-li;XIANG Shu-yu;LIAO Zhong-juan;LUO Ling;RUAN Rong-sheng;LIU Yu-huan;School of Food Science and Technology,Nanchang University;Engineering Research Center of Biomass Conversion,Ministry of Education,Nanchang University;Library of Nanchang University;
单  位：
WU Xiao-dan%CEN Qing-jing%WU Dong-mei%ZHENG Hong-li%XIANG Shu-yu%LIAO Zhong-juan%LUO Ling%RUAN Rong-sheng%LIU Yu-huan%School of Food Science and Technology,Nanchang University%Engineering Research Center of Biomass Conversion,Ministry of Education,Nanchang University%Library of Nanchang University
关键词：
large-scale pig farming;;liquid digestate;;summary;;high-value utilization;;multipurposesystem
摘  要：
Pig farming is an important industry related to the national economy and the people's livelihood. In recent years, it presents the trend of large-scale and intensive development. However, large amount of wastewater and heavy pollution directly threaten the environmental and ecological safety. With the rapid development of biogas project, liquid digestate production is huge, if there's no reasonable treatment and utilization, not only restrict the development of biogas project, but also cause secondary pollution. Rich in nitrogen, phosphorus and other nutrients, liquid digestate has been widely used in the traditional crop-plantation, forestry, animal industry and aquaculture industry. In order to realize the gradient utilization of liquid digestate and construct the high-value utilization system, the present situation of high value utilization technology of liquid digestate was analyzed and summarized, including the membrane separation and concentration technology, humic acid extraction technology, ammonia nitrogen extraction and recovery technology, biomass conversion technology, photocatalytic technology and etc. The prospect of the comprehensive utilization system of liquid digestate from pig farm was also discussed.

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