Self-purification principle - chemical puftion

2020-06-20 20:41 来源:未知


into the body of water pollutants, chemical reactions between components, or under certain conditions and contaminants from water, and compounds including decomposition, oxidation and reduction, and the photochemical acid-base neutralization, so that pollution conversion or disappearance of toxicity or reduced concentration. The cyanide decomposed under acidic conditions to release the hydrocyanic acid; heavy metal ions, negative ions react with the compound, the insoluble mercuric sulfide generated, Jin sulfide precipitates, divalent iron, manganese oxidation of insoluble ferric and tetrakis manganese compound to precipitate; acid wastewater and alkaline wastewater in the acid-base reaction and the like.


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