The original production process is improved with the addition of specific co-solvent for removing iron and one stage removal of iron replacing multi stage removal of iron for a period in addition to iron. After improvement,the production cycle is shortened to 15 hours from the original 24 hours,the production efficiency increases by 50%,and emission amount of acidic wastewater reduces by 60%. With the addition of specific co-solvent,the removal rate of iron increases from 78. 0% to 93. 3%.Through continuous...
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