Pre-treatment measures for waste gas incinerators in the pharmaceutical industry
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There is organic waste gas from the pharmaceutical industry that needs to be treated using a incinerator. However, this waste gas contains substances such as SO2, HCl, HBr, NH3, triethylamine, and ammonium chloride. Acidic substances become corrosive when they condense, while the ammonium chloride crystals formed from NH3 and HCl can damage the equipment downstream. Therefore, it is necessary to remove these substances prior to sending the gas into the incinerator. Could someone suggest some effective pre-treatment methods?
The power wave washing technology should be able to handle it, but the cost will be relatively high. I’m not sure about the specific components and the volume of air used
These acidic media must be thoroughly washed with alkaline solution before entering the incinerator, to ensure that no acidic substances reach the incinerator. Additionally, the lower chamber of the incinerator should be made of 6-molybdenum steel, which offers strong corrosion resistance. Also, if the waste gas contains substances such as dichloromethane, compounds like chloric acid are generated after combustion, and large amounts of alkaline solution are required later to neutralize them. It is recommended that steam containing halogen elements be discharged separately and not fed into the incinerator
When components containing ammonium salts and ammonia gas are burned, high concentrations of these substances can cause instability in the pressure inside the main furnace; this is something that needs to be taken into account during actual operation. It is best to adjust the proportions appropriately during the pre-treatment stage!