小13箩莉黄瓜自慰喷白浆,51午夜精品免费视频,极品少妇的粉嫩小泬看片,久久婷婷五月综合色欧美蜜芽

OUR MISSION IS TO PROVIDE PRODUCTS THAT EXCEED YOUR EXPECTATIONS

About Us   |   Contact Us

News Details
Position: Home> News Details
Environmental pollution prevention measures
Category: NEWS
Date: 2022-11-25
Click: 704
Author: admin
Collection:

1668756930746030387.png

(2) The exhaust gas of the enterprise project is mainly organic waste gas produced by viscose and drying. The main pollutants are VOCs. After the enterprise has collected the exhaust gas and introduced it into the UV photolysis machine and the activated carbon adsorption treatment device, After the treatment of the project, the emission concentration and emission rate of VOCs can reach the standard limit of the second period of the Volatile Organic Compound Emission Standard for the Shoe Industry (DB44 /817-2010)

Previous: Environmental pollution prevention measures
Next: Exhaust gas test report