8. Chlorination     The process of replacing hydrogen atoms in organic compounds with chlorine atoms is called chlorination. Such as using methane to make methane chloride, benzene chlorination to

4. Electrolysis     When electric current passes through electrolytic solution or molten electrolyte, the chemical change caused on two poles is called electrolysis. Electrolysis has a

1. Oxidation Such as ammonia oxidation to nitric acid, toluene oxidation to benzoic acid, ethylene oxidation to ethylene oxide, etc.     (1) Fire risk of oxidation     ①Oxidation

HF Wastewater Process Fluorine and Ammonia Wastewater Process Ammonia nitrogen wastewater process CMP Wastewater Process Copper Wastewater Process Domestic sewage treatment system process Acid-base wastewater process