免费丰满鲁大师国产手机色午夜_亚洲成av人在线观看天堂无码_九九热这里只有在线精品视_免费高清日本社区_国产激情无码色欲AⅤ_中文字幕理论永久精品_左手影院直播免费观看_日韩中文字幕麻豆_欧洲吃奶摸下AA片久久_日韩最新版中文无码视频

With rich experience in photovoltaic industry wastewater treatment, optimize the wastewater treatment process and improve compliance assurance;

Treatment process: Fluorine removal, hydrogen peroxide removal pre-treatment+improved A2O;

The design scale is 15000 tons/day, and the fluoride ion requirement for the effluent is less than 4mg/L.