Search Results for: Crustaceans waste
        
	        
              aluminum surface treatment wastewater treated on the surface of aluminum profiles includes pre-treated degreasing and acidic washing water, alkaline washing water after alkali corrosion, acid washing water after acid etching, acid washing water after oxidation, and ni +, sn +, acidic washing water, waste
		        
              
                  acid, waste alkali and a small amount of wastewater from electrophoretic painting and ion exchange. the wastewater is acidic after mixing, as well as organic substances such as surfactants and acrylic resins. the waste liquid includes waste sulfuric acid produced by degreasing and neutralization, waste...
		      
		        
		      
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