特级无码a级毛片特黄,欧美又大又色又爽AAAA片,男人激烈吮乳吃奶视频免费,日韩亚洲欧美中文在线

Livestock and poultry breeding wastewater treatment project of a breeding company

時(shí)間：2019-06-13

A pig farm wastewater COD 3000 mg / L, TN up to 1200 mg / L, is a typical low C / N ratio wastewater. The company uses SPAC anaerobic reactor + 梟龍-安奇 biological denitrification combined process, designed to handle 150 t / d of water, effluent implementation of "pollution standards for livestock and poultry breeding" (second draft of comments). Compared with traditional processes, the project can significantly reduce operating costs and investment in land.