畜禽养殖废水处理技术动态与发展趋势

Technical status and trends in animal wastewater treatment

近年来,畜禽养殖粪污的处理利用已经成为社会各界关注的焦点。本文着重从工程应用的角度,分析了预处理、厌氧处理、沼液利用、沼液自然处理、好氧处理、厌氧-好氧组合处理、深度处理等工艺单元的技术研究与应用现状,并从沼气利用与温室气体减排、总氮控制和智能化信息技术应用等方面,展望了畜禽养殖废水处理利用的发展趋势。

In recent years,the treatment and utilization of animal manure and wastewater has attracted attention from all sectors of society.Focusing on engineering applications,this study reviews current research and application status of the technology in processing units,including pre-treatment,anaerobic treatment,utilization of digested effluent,natural treatment of digested effluent,aerobic treatment,combined anaerobic-aerobic treatment,and advanced treatment.The development trend of treatment and utilization of animal wastewater was prospected from the following aspects,such as biogas utilization and greenhouse gas emission reduction,total nitrogen removal and the application of intelligent information technology.