丰满妇女毛茸茸刮毛,久久永久免费人妻精品下载,日韩精品少妇无码受不了,无码国产精品一区二区av

Petrochemical

Water plays an important role in the oil and gas industry. The reuse of water is a trend in the development of the industry. It is of great significance to turn the wastewater produced into usable resources. The wastewater treatment program offered by Amocos is designed to remove organics, sulfur, ammonia and other well-known contaminants such as cyanide, benzene, toluene, ethylene, xylene (BTEX). Sulfide-containing spent caustic is well treated biologically.

Successful cases