The paper introduces the process system research on economic water coal slurry which is made of floatation coal for mix burning with coal and has good burning performance.

介绍了经济型水煤浆工艺系统研究，利用浮选煤泥制备经济型水煤浆在锅炉上掺烧，具有良好的燃烧特性。

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Introduce the application of gas floatation technology in coal pressure gasification waste water at Harbin gasification Plant, and expound its process principle and scheme.

介绍了气化技术在哈尔滨气化厂煤加压气化废水中的应用，并详细阐述了其工艺原理及工艺流程。

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To chose floatation and submerged bio-film process for the jean washing and dyeing waste water treatment.

采用高效气浮-淹没式生物膜组合工艺处理牛仔布洗漂废水。

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