生猪粪污的治理模式选择与处理优化建议——基于河南省的实地调研分析
发布时间：2019-05-29 09:17
【摘要】：畜禽养殖业污染是环境污染的主要来源之一。农牧结合被认为是解决畜禽养殖业污染的有效途径,但是规模化畜禽养殖使得我国畜禽粪便排放密度增加,配套耕地却没有随之同比增加,配套土地规模与养殖规模不匹配的矛盾制约了农牧结合治污效果的发挥。基于对河南省23家生猪养殖企业和1处养殖集中区的实地调研,研究发现,根据匹配土地规模,选择不同的畜禽粪污处理模式是解决该矛盾较为现实的路径。在生猪粪污处理过程中,对于固体粪便的处理较为单一,而对于污水处理模式的差异较大。污水处理的能耗和环境的影响均最大,是粪污处理过程中的难点和重点。
[Abstract]:Livestock and poultry industry pollution is one of the main sources of environmental pollution. The combination of agriculture and animal husbandry is considered to be an effective way to solve the pollution of livestock and poultry breeding, but large-scale livestock and poultry breeding increases the emission density of livestock and poultry faeces in China, but the supporting cultivated land does not increase year-on-year. The contradiction between the scale of supporting land and the scale of breeding restricts the effect of combining agriculture and animal husbandry. Based on the field investigation of 23 pig breeding enterprises and 1 breeding concentration area in Henan Province, it is found that according to the matching land scale, the choice of different livestock and poultry manure treatment models is a more realistic way to solve this contradiction. In the process of pig manure treatment, the treatment of solid feces is relatively simple, but the sewage treatment mode is quite different. The energy consumption and environment of sewage treatment have the greatest influence, which is the difficulty and key point in the process of sewage treatment.
【作者单位】： 中国人民大学农业与农村发展学院;南京农业大学经济管理学院;
【分类号】：X713
本文编号：2487822
[Abstract]:Livestock and poultry industry pollution is one of the main sources of environmental pollution. The combination of agriculture and animal husbandry is considered to be an effective way to solve the pollution of livestock and poultry breeding, but large-scale livestock and poultry breeding increases the emission density of livestock and poultry faeces in China, but the supporting cultivated land does not increase year-on-year. The contradiction between the scale of supporting land and the scale of breeding restricts the effect of combining agriculture and animal husbandry. Based on the field investigation of 23 pig breeding enterprises and 1 breeding concentration area in Henan Province, it is found that according to the matching land scale, the choice of different livestock and poultry manure treatment models is a more realistic way to solve this contradiction. In the process of pig manure treatment, the treatment of solid feces is relatively simple, but the sewage treatment mode is quite different. The energy consumption and environment of sewage treatment have the greatest influence, which is the difficulty and key point in the process of sewage treatment.
【作者单位】： 中国人民大学农业与农村发展学院;南京农业大学经济管理学院;
【分类号】：X713
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，本文编号：2487822
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