ODOR AND AMMONIA EMISSIONS FOLLOWING THE SPREADING OF ANAEROBICALLY-DIGESTED PIG SLURRY ON GRASSLAND

被引:52
作者
PAIN, BF
MISSELBROOK, TH
CLARKSON, CR
REES, YJ
机构
[1] AFRC Institute of Grassland and Environmental Research, Hurley, Maidenhead
来源
BIOLOGICAL WASTES | 1990年 / 34卷 / 03期
关键词
Ammonia--Evaporation - Fertilizers--Odor Control - Wastewater Treatment--Biological Treatment;
D O I
10.1016/0269-7483(90)90027-P
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Anaerobically digested and untreated pig slurries were spread on grassland plots and measurements of odour and ammonia emissions made using a systems of small wind tunnels. Digestion reduced total solids (TS), total nitrogen (TN) and volatile fatty acid (VFA) content of pig slurry and increased pH value. Odour emission during the first 6 h following application was reducd by between 70-80%. Odour intensity was also reduced, but odour offensiveness when measured at the same intensity was unchanged. Digestion had no significant effect on the ammonia volatilization from pig slurry following application to grassland. © 1990.
引用
收藏
页码:259 / 267
页数:9
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