亚洲精品国产综合久久一线,人人狠狠综合久久亚洲婷婷,国产成人AV无码专区亚洲AV,上司揉捏人妻丰满双乳电影

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