采用供气式低压射流曝气系统改良型氧化沟工艺处理制浆造纸中段废水，对整个调试运行过程进行了介绍。
An improved oxidation ditch process using forced air supply low-pressure jet aeration system was used to treat middle-stage wastewater from pulping and papermaking.
本机为造纸行业制浆系统的粗、精磨连续打浆设备。
This machine is a pulping machine of coarse and correct grinding in papermaking trade thick liquid system.
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。
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.
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