Jun 17, 2022
High salt wastewater refers to wastewater with a total salt content of at least 1% by mass. It mainly comes from chemical plants and the collection...
May 20, 2022
With the continuous development of chemical technology, pyridine has become one of the most widely developed varieties of heterocyclic compounds. As an important fine chemical raw material, its deriva...
May 13, 2022
In recent years, the national requirements for VOCs control have become increasingly high, and various industries across the country have successively issued multiple emission labels on VOCs control, ...
Apr 19, 2022
According to the characteristics of the industry, biological phosphorus removal process and chemical phosphorus removal process are selected for industrial wastewater. However, the types of phosphorus...
Apr 18, 2022
Ammonia nitrogen wastewater mainly comes from industries such as fertilizers, coking, petrochemicals, pharmaceuticals, and food. Generally, biochemical treatment is used to reduce the ammonia nitrogen...
Apr 18, 2022
The metallurgical industry is one of the most important basic industries in China, and the main technologies of metallurgy are pyrometallurgy, hydrometallurgy, and electrometallurgy, among which the...
Apr 12, 2022
Projects that use wet smelting technology to treat laterite nickel ore generally use a high-pressure acid leaching thickener washing separation iron aluminum nickel cobalt precipitation process to...
Apr 02, 2022
The main process of phosphorus chemical production is the decomposition of phosphate ore by sulfuric acid. Although the production process and conditions are different, high concentration fluorine-con...