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规模化畜禽养殖污染气体现场检测方法与仪器研究进展
引用本文:介邓飞,泮进明,应义斌.规模化畜禽养殖污染气体现场检测方法与仪器研究进展[J].农业工程学报,2015,31(1):236-246.
作者姓名:介邓飞  泮进明  应义斌
作者单位:1. 浙江大学生物系统工程与食品科学学院,杭州 310058; 华中农业大学工学院,武汉 430070
2. 浙江大学生物系统工程与食品科学学院,杭州,310058
基金项目:公益性行业(农业)科研专项经费资助项目(201003063-10)
摘    要:随着中国畜禽生产的规模化和集约化,畜禽舍内饲养密度增大,产生了许多污染气体。这些污染气体含有大量的氨、硫化物和挥发性有机物等有毒有害成分,不仅影响畜禽的正常生长,而且当这些污染气体扩散到大气中,会对大气环境造成环境污染,严重影响城乡的空气质量,使人类生存环境不断恶化,危害饲养人员及周围居民的身体健康。本文阐述了几种典型污染气体特征,综述了国内外规模化畜禽养殖主要污染气体现场检测方法和分析仪器研究现状,为实现对污染气体进行快速、准确检测,并判定其成分与浓度提供十分必要的依据,也为中国畜禽养殖污染气体检测技术的发展提供一定参考。

关 键 词:污染  气体  检测  方法  仪器  畜禽养殖场
收稿时间:2014/9/19 0:00:00
修稿时间:2014/12/26 0:00:00

Advances in methods and instruments for determining concentration of gaseous air pollutants in large-scaled livestock farms
Jie Dengfei,Pan Jinming and Ying Yibin.Advances in methods and instruments for determining concentration of gaseous air pollutants in large-scaled livestock farms[J].Transactions of the Chinese Society of Agricultural Engineering,2015,31(1):236-246.
Authors:Jie Dengfei  Pan Jinming and Ying Yibin
Institution:1. College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China2. College of Engineering & Technology, Huazhong Agricultural University, Wuhan 430070, China,1. College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China and 1. College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
Abstract:Abstract: With the development of Chinese large-scale and intensive livestock production, the animal stocking density increases, resulting in a lot of pollutant gas emissions. They are not only the important sources of greenhouse gas (GHG) emissions such as carbon dioxide (CO2), methane (CH4) , nitrous oxide (N2O), but also the sources of nitrogen or sulfur organic odors such as hydrogen sulfide (H2S), ammonia (NH3), mercaptan, phenol, paracresol, indole, skatole, which are produced by manure fermentation and decomposition. These gases contain large amounts of toxic and hazardous ingredients. If the concentration of pollution gas is small, the gas can be diluted by diffusion after emitting into the air. If the gas fails to be cleaned up or improperly handled, the odors will keep increasing and gather together. These gases will affect the growth of livestock and poultry, and they will cause environmental pollution, seriously affecting the air quality in urban and rural areas when these contaminated gases largely diffuse into the atmosphere. The environment could be deteriorating; the health of the feeders and residents also could be influenced. This paper reviewed the characteristics of several typical pollutant gases mainly including NH3, H2S, volatile organic compounds (VOCs) and other toxic and harmful gases. We also reviewed the research status of the pollution detection methods and analytical instruments at home and abroad for determining pollutant gas discharged from large-scale livestock and poultry breeding. Along with the development of computer technology, spectral analysis technology, sensor technology and wireless communication technology, there are more researchers applying the novel techniques on pollutant gas emissions from livestock farms in the domestic and foreign. This review synthesized the development of the methods and analyzers for the component and concentration detection of the gases emitted from livestock farms. According to the principal of the detection methods, the detection methods can be classified into optical methods and chemical methods. Optical methods can be divided into two types. One is the conventional optical method that determines the concentration of the pollution gas through measuring the light intensity change; the other is the spectral method that obtains the spectral information on the pollution gas using the spectrum analyzer. Chemical methods mainly include electrochemical method, chemiluminescence method, chromatography and mass spectrometry. In accordance with the measurement methods we summarized the type and origin of the instruments, the corresponding usage in the researches and the research findings using these instruments. In the end we compared the technical characteristics and application between internal and external situation. The goal of this review is for providing the basis to quick and accurate detection methods of the pollutant gases, which include the gases composition and concentration determination, and gives a reference for the development of pollution gas detection technology in livestock farming. To develop detection technology and integration system in situ, which can simultaneously detect all varieties of pollution gases emitted from livestock husbandry, will be the direction for the instrument and equipment development of livestock farm's gas emission detection in future.
Keywords:pollution  gases  testing  methods  instruments  livestock farm
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