Improvement of Wastewater Treatment Capability by Fluidized Bed Type Biological Method

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Other Title
  • 担体流動式生物処理法による廃水処理能力の向上
  • 流動式生物処理法による廃水処理能力の向上 : PVAスポンジ微生物固定化担体Y-CUBE
  • リュウドウシキ セイブツ ショリホウ ニ ヨル ハイスイ ショリ ノウリョク ノ コウジョウ : PVA スポンジ ビセイブツ コテイカタンタイ Y-CUBE
  • ―PVA Sponge Bio Carrier Y-CUBE<sup>®</sup>―
  • ―PVAスポンジ微生物固定化担体Y-CUBE<sup>®</sup>―

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Abstract

<p>Recently, industrial circles including paper manufacturing have problems of wastewater treatment, such as an increase in water volume, fluctuation in water quality, aging of existing facilities, and response to strengthening regulations on wastewater. As solution for these problems, it is thought that the fluidized bed type biological method is one of effective means, but there is a big difference in the treatment performance of the facility depends on functionality of bio carrier.</p><p>The PVA sponge bio carrier “Y-CUBE® ” has high functionality in terms of hydrophilicity, abrasion resis tance and microbial adhesion, which is essential performance as bio carrier owing to characteristics of PVA and special open-cell structure. We have introduced “Y-CUBE® ” to companies in various fields such as paper, food, cosmetics and electronic products. In this paper, we introduce the product features of “Y-CUBE® ”，ex amples of introduction in the paper mill and comparative evaluation results with representative polyurethane bio carrier as sponge type products.</p><p>“Y-CUBE® ” not only has excellent wastewater treatment performance compared with polyurethane bio carrier, but also high response to fluctuation of wastewater quality. Recent paper manufacturing industry has been forced to produce small quantities of many kinds due to diversification of products. This trend will con tinue in the future. Because this is directly linked to fluctuations in the quality of wastewater, it is an urgent task for paper mills to develop wastewater treatment facilities that are highly responsive to fl uctuations. We are convinced that “Y-CUBE®” will be able to help as a solution to that problem.</p>

Journal

  • JAPAN TAPPI JOURNAL

    JAPAN TAPPI JOURNAL 73 (12), 1214-1218, 2019

    JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

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