日韩av有码_日韩一区av_亚洲福利片_国产一国产一级毛片视频_秋霞国产午夜精品免费视频_热热色网站

The domestic glass industry's first production wastewater zero emissions from factories

 

Xiangshi investment nearly must build its own 5000 cubic sewage treatment center,made due contribution to environmental protection.

 

Production wastewater zero discharge water reuse technology: the main processing technology of waste water

produced in the process of production, meet the reuse standard after treatment.

Using the four kinds of processing technology;1. Physical and chemical treatment technology   2. Complex biochemical treatment technology  3. fiber ball filtration 4. Nitrogen crystal refining technology