... 封闭系统 封闭系统 geschlossen 白水封闭系统 closed white water system 对称封闭系统 symmetric closed system ...
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First introduce the reuse of the mixed water, and then white water closed system and several typical zero discharge processes in pulp and paper plants are presented.
介绍了造纸工业水循环回用技术的进展，对造纸过程中段水的回用做了讨论，并对造纸白水封闭循环系统和制浆造纸企业常用的零排放流程做了介绍。
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