The increasing water pollution has posed a major threat to human survival and security, and has become a major obstacle to human health, economic and social sustainable development. Water pollution affects people's life, destroys the ecology and directly endangers people's health. We hope everyone can get involved in protecting water...

COD is an important indicator of water treatment control and it is the three letters that concern water treatment operators concern. "Effluent COD anomaly" is undoubtedly the most concerned issue in operation management.

There are many structural types of chemical wastewater evaporator, no matter what kind, in the design and production must make the refrigerant steam can quickly leave the heat transfer surface and maintain a reasonable liquid level height, effectively make full use of the heat transfer surface. When