wastewater from paper mill  造纸废水

middle-stage wastewater from paper-making mill  造纸中段废水

paper mill wastewater  造纸废水; 造纸污水; 黑液; 碱法草浆造纸废水

specialty paper mill wastewater  特殊用纸厂废水

wastewater from paper making  造纸废水

wastewater from paper-making  废纸造纸废水

wastewater from regenerated corrugated paper  再生瓦楞纸废水

wastewater from regenerated papermaking  废纸造纸废水; 造纸废水

Wastewater from paper-making by imide method  亚胺法造纸废水

treatment of white water from paper mill  造纸白水处理

waste sludge from paper mill  造纸污泥

Acidic Wastewater from Diosgenin Production  皂素酸性废水

biological nitrogen removal from wastewater  废水生物脱氮

copper ion from wastewater  含铜废水

Detecting wastewater from natural gas purification  天然气净化检修废水

diverting wastewater from clean water  清污分流

gas washing wastewater from gasworks  煤气厂洗气废水

high minerality wastewater from oil extraction  高矿化度采油污水

high phenol wastewater from tar extraction  焦油高酚水