Gas purification: Gas purification refers to the process of removing impurities such as fly ash, tar, naphthalene, ammonia, hydrogen sulfide, etc. from gas. KEYUAN Company has over 20 years of experience in the gas industry and can provide various types of gas purification equipment, processes, technical services. There are cases in industries such as metallurgical gas purification, reduction gas purification, pyrolysis gas purification, coal processing gas purification, petroleum gas purification, coalbed methane purification, coke oven gas purification, blast furnace coal purification, and so on.