The environmental quality declined rapidly around one certain Guizhou coal preparation plant, coal dressing wastewater and washing gangue of the factory damage to entironment.
贵州某选煤厂所处工业区环境质量状况不断恶化，该厂外排的煤泥水和选煤废弃物洗矸石对当地生态环境造成了危害。
Proved by experimentation and practice, integrative method is the best suited technology in disposing coal gas washing wastewater.
试验与实践证明，煤气洗涤废水的最适宜处理工艺为综合法处理工艺。
Proved by experimentation and practice, integrative method is the best suited technology in disposing coal gas washing wastewater.
试验与实践证明，煤气洗涤废水的最适宜处理工艺为综合法处理工艺。
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