日韩精品一区二区在线视频I特级黄色电影I18vide0sex性欧美69I亚洲成av人片在www色猫咪I亚洲欧美在线视频免费I激情影院在线观看I国产精品视频你懂的I极品色影院I欧美色图片88I亚洲高清屄Iyoujizz性欧美I国产三级片在线观看I國產精品777777777I亚洲国产中文字幕在线I国产天堂avI伊人久久7777I东京热毛片I亚洲欧洲精品一区

What are the classifications of industrial wastewater?

There are usually three types of industrial wastewater classification:
The first type is classified according to the chemical properties of the main pollutants contained in industrial wastewater. The inorganic pollutants are mainly inorganic wastewater, and the organic pollutants are mainly organic pollutants. For example, electroplating wastewater and wastewater from mineral processing are inorganic wastewater; wastewater from food or petroleum processing is organic wastewater.
The second is classified according to the products and processing objects of industrial enterprises, such as metallurgical wastewater, papermaking wastewater, coking coal gas wastewater, metal pickling wastewater, chemical fertilizer wastewater, textile printing and dyeing wastewater, dye wastewater, tannery wastewater, pesticide wastewater, power station wastewater. Wait.
The third type is classified according to the main components of the pollutants contained in the wastewater, such as acidic wastewater, alkaline wastewater, cyanide-containing wastewater, chromium-containing wastewater, cadmium-containing wastewater, mercury-containing wastewater, phenol-containing wastewater, aldehyde-containing wastewater, and oily wastewater. , sulfur-containing wastewater, organic phosphorus wastewater and radioactive wastewater. The industrial wastewater treatment process adopts modern automatic control technology, sets up necessary monitoring instruments, realizes automatic management, improves management level; has certain flexibility and adjustment room for handling system operation, industrial wastewater treatment process to adapt to changes in water quality and quantity; industrial wastewater treatment process Beautiful design and reasonable layout. Sewage treatment companies try to take measures to reduce the impact on the surrounding environment and properly control the smell and noise.