Control of odor emissions from livestock farms: A review

文献类型： 外文期刊

第一作者： Cao, Tiantian

作者： Cao, Tiantian;Zheng, Yunhao;Dong, Hongmin;Cao, Tiantian;Zheng, Yunhao;Dong, Hongmin

作者机构：

关键词： Gaseous pollution; Livestock production; Dietary manipulation; Production management; Wet scrubbing; Biofiltration

期刊名称：ENVIRONMENTAL RESEARCH （ 影响因子：8.3； 五年影响因子：8.2 ）

ISSN： 0013-9351

年卷期： 2023 年 225 卷

页码：

收录情况： SCI

摘要： Odor emission seriously affects human and animal health, and the ecological environment. Nevertheless, a systematic summary regarding the control technology for odor emissions in livestock breeding is currently lacking. This paper summarizes odor control technology, highlighting its applicability, advantages, and limita-tions, which can be used to evaluate and identify the most appropriate methods in livestock production man-agement. Odor control technologies are divided into four categories: dietary manipulation (low-crude protein diet and enzyme additives in feed), in-housing management (separation of urine from feces, adsorbents used as litter additive, and indoor environment/manure surface spraying agent), manure management (semi-permeable membrane-covered, reactor composting, slurry cover, and slurry acidification), and end-of-pipe measures for air treatment (wet scrubbing of the exhaust air from animal houses and biofiltration of the exhaust air from animal houses or composting). Findings of this paper provide a theoretical basis for the application of odor control technology in livestock farms.

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