Improving Operations by Optimizing Chemicals !

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Other Title
  • 薬品最適化による操業改善！
  • A Practical Chemical Approach to Solving Problems in Wastewater Treatment Process
  • 排水工程における問題解決のための実践的ケミカルアプローチ

Abstract

<p>The pulp and paper industry is a water-based industry that requires an extremely large amount of water compared to other industries. Wastewater in the paper manufacturing process includes discharges from the steaming and bleaching processes, the paper making process, the deinking process, and the washing process. Although progress has been made in saving water and reducing water use by reusing and closing off water for each process compared to the past, large-scale wastewater treatment facilities are necessary to treat the large amount of wastewater from various processes.</p><p>In the wastewater treatment process, pollutants are treated with a combination of organic decomposition by biological treatment, coagulation sedimentation, and pressurized flotation. The industry is struggling to deal with these problems, but wastewater treatment facilities are not directly related to production, so it is difficult to make capital investment in them.</p><p>In this report, we are going to focus on the foam and odor problems from among problems in the wastewater treatment process. First, we explain the basic concept of foam control, the mechanism of odor generation and its adverse effects, then describe how our company to deals with each problem.</p>

Journal

  • JAPAN TAPPI JOURNAL

    JAPAN TAPPI JOURNAL 76 (4), 319-322, 2022

    JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

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