| Popis: |
Economic development of guanzhong area has produced a series of impact on Weihe River’s water quality, that deteriorated seriously. Environmental pollution indicators conclude ammonia nitrogen, permanganate index, COD. Weihe River water quality was improved significantly through the adjustment of industrial structure, increased investment in environmental protection and policy made to protect the Waihe River. Environmental materials is very beneficial to environment.In recent years, the new environmental material technology what can be promoted in Guanzhong region, which is carrying out the zero-emission technology in heavily-polluted paper industry, it can solve the pollution problems from the source, and it play a significant role in improving the water quality of Weihe River. |
