生态学杂志2012，Vol.31Issue(5)：1241-1249,9.
中国畜禽粪便污染现状及产沼气潜力
Pollution status and biogas-producing potential of livestock and poultry excrements in China
摘要
Abstract
In order to make clear the discharged amount, pollution status, and biogas-producing potential of the livestock and poultry excrements in China, the main parameters for estimation were ascertained based on relevant references, and the discharged amount, pollutant contents, and farmland loading of the excrements in 2009 were estimated, according to the related statistic data. The farmland loading of the excrements nitrogen and phosphorus was assessed by alarming values and classification grades, and the biogas-producing potential of the excrements was predicted. In 2009, the discharged amount of the excrements in China was 330 million tons, with 72. 7 million tons of BOD and 80.4 million tons of COD, and the average farmland loading of the excrements was 26. 8 kg · hm-2, with the nitrogen and phosphorus loadings being 158. 42 kg · hm-2 and 47. 92 kg · hm-2, respectively. The alarming and classification grading showed that the livestock and poultry breeding industry in China had little effects on the environment in pastoral areas, but the manure nitrogen caused varying degrees of environmental pollution in rural areas except those in Shanxi and Heilongjiang provinces, and the manure phosphorus pollution existed in all rural areas. The biogas-producing potential of the excrements was 1.2×1011 m3, and that in large- and medium-sized livestock and poultry breeding farms was responsible for 2.4×1010 m3, corresponding to about 1. 35×10l0 m3 of natural gas. To fully use the excrements for biogas production would be an important way for environmental protection and energy source structural adjustment.关键词
畜禽粪便/环境污染/农用地负荷/沼气能源Key words
livestock and poultry excrements/ environmental pollution/ farmland loading/ biogas energy source.分类
农业科技引用本文复制引用
张田,卜美东,耿维..中国畜禽粪便污染现状及产沼气潜力[J].生态学杂志,2012,31(5):1241-1249,9.基金项目
国家科技支撑计划项目(2012BAC07B04)资助. （2012BAC07B04）
