岳好紧好湿夹太紧了好爽矜持,国产成人精品一区二三区在线观看,色窝窝无码一区二区三区成人网站,99久久久无码国产精品免费

Textile leather

Textile wastewater typically has high pH, high organic contaminants, high salinity (in most cases sulfate), toxic, and pigmented properties. Different production processes, different composition of wastewater: such as degumming, washing, dyeing and finishing, the wastewater quality produced by each process section is completely different. The biggest problem is usually chroma and toxicity. It is not enough to use only aerobic biological treatment methods, and the cost of physical treatment is very high. In response to the need for wastewater containing high concentrations of COD and the need for color and toxic substances to be removed, Amocos uses an anaerobic and aerobic combination process.

Successful cases