LUVA’s Patent of By-Production Anhydrous Sodium Sulfite Awarded
In December 2022, after obtaining the utility model patent certificate of “Auxiliary Measuring Equipment Applied to the Pressure Vessel of a Skid-mounted Green Ammonia Plant”, LUVA won another new patent of “A Device for By-Production of Anhydrous Sodium Sulfite in a Sulfuric Acid Plant”. At present, there are many kinds of anhydrous sodium sulfite production processes, […]