Wet treatment method for soft materials of petroleum fuel containing ammonium sulfate and utilization of ammonia component recovered by wet treatment method

摘要

The present invention relates to a process for the production of at least a soft material slurry mixed with soft material and water, a double decomposition step for ammonium sulfate, a step for recovering free ammonia from a gypsum slurry containing free ammonia produced in the double decomposition step, The present invention relates to a method of using ammonia components having industrial advantages as well as an excellent wet treatment method for preventing the efficiency of stripping ammonia from gypsum slurry in the ammonia recovery step and clogging occurring in the stripping apparatus will be.