Using the acid washing water can reduce pollution and the acidity of the water being drained off in fibre spinning technology. It has obvious economic benefit and social benefit.
用去酸水再生，可减少污染，降低纺丝工艺排水酸度，具有明显的社会效益和经济效益。
2
The wastewater pollution from DSD acid making process could be solved by making water coal slurry with DSD acid oxidation wastewater completely.
用DSD酸氧化废水制备水煤浆技术可从根本上解决DSD酸生产过程产生的废水污染。
3
Metal pollution and mine acidwater produced in the mining and mineral processing of metal mines have become two major public dangers to environment.