Recommended acid production process
Thread Content
The current gas purification process uses the PDS method with ammonia, and high towers are employed for regeneration; the desulfurization waste liquid is difficult to handle. I would be very grateful if experts could recommend an acid production process that performs well at present
Process for recovering low-concentration SO2 to produce liquid sulfur and electronic-grade sulfuric acid
Could you elaborate more on the process? Are you a user or a designer of this process? How effective is it? Are there any by-products? They shouldn’t cause new environmental problems
Is this the SO2 treatment and recovery process?
It’s not about extracting salt; it’s about producing acid, sulfuric acid
The current one-step desulfurization process using complexed iron/chelated iron is quite good; when operated properly, it does not generate any desulfurization wastewater.
But the sulfur produced is rather troublesome to handle
Now, there are people who are willing to buy sulfur ointment, so using sulfur for treatment is not a problem at all. May I ask in which province the original poster is located?
Currently, acid production processes are divided into dry and wet methods; the main difference lies in the moisture content of the materials after preprocessing, with the overall processes being similar.
Activated carbon adsorption, low-temperature process at 60 degrees Celsius, dry catalytic oxidation desulfurization method; the by-product is dilute sulfuric acid. This technology is developed by Sichuan University and is quite mature