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A STUDY OF HIGHLY CONCENTRATED ACTIVATED SLUDGE IN HIGH STRENGTH FERMENTATION WASTEWATER TREATMENT COUPLED WITH ULTRAFILTRATION MEMBRANE.

Research Project

Project/Area Number 09680557
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 環境保全
Research InstitutionUBE NATIONAL COLLEGE OF TECHNOLOGY

Principal Investigator

FUKAGAWA Masayuki  UBE NATIONAL COLLEGE TECHNOLOGY, PROFESSOR, 教授 (20043870)

Co-Investigator(Kenkyū-buntansha) IMAI Tsuyoshi  FACULTY OF ENGINEERING, YAMAGUCHI UNIVERSITY, ASSOCIATE PROFESSOR, 工学部, 助教授 (20263791)
MURAKAMI Sadaaki  UBE NATIONAL COLLEGE TECHNOLOGY, PROFESSOR, 教授 (00035065)
Project Period (FY) 1997 – 1999
Project Status Completed (Fiscal Year 1999)
Budget Amount *help
¥3,200,000 (Direct Cost: ¥3,200,000)
Fiscal Year 1999: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1998: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1997: ¥1,800,000 (Direct Cost: ¥1,800,000)
KeywordsACTIVATED SLUDGE PROCESS / ULTRAFILTRATION MEMBRANE / ROTARY DISK TYPE MEMMBRANE / FERMENTATION WASTEWATER / LIMITED AERATION / OXIDATION-REDUCTION POTENTIAL / HIGHLY CONCENTRATED PROCESS / MAICROBIAL ACTIVITY / 溶存酸素 / 酸化還元電位 / 高濃度 / アミノ酸発酵廃液 / 膜分離活性汚泥法 / 活性度
Research Abstract

Throughout the experiment, MLVSS/MLSS remained almost constant. MLVSS was 13.0 mg/L and MLSS was 15.2 mg/L. Toc and NHィイD24ィエD2-N removals were quite good. The results showed that the maximum specific nitrification rates slightly decreased, while the maximum denitrification rates slightly increased with the MLVSS concentration. Through activity analysis, the specific activities of sludge slightly decreased, but the volumetric activities of sludge increased significantly with the increase of MLVSS concentration in the reactor.
The volumetric contents of polysaccharide and protein were high in the membrane bioreactor, which was due to the high sludge concentration and retention of macromolecules by membrane. However, it seemed that extracellular substance did not accumulate unlimitedly and was degrade by biomass as substrate.
Various intermittent aeration modes with real-time control were applied in membrane bioreactor for simulataneous nitrification, denitrification and organic carbon removal. The optimal operating condition, I.e. 30 minute aeration compared with 10 minute aeration "off", was obtained for simultaneous carbon and nitrogen removals.
The study demonstrated that simultaneous carbon and nitrogen removals was possible in a single membrane bioreactor with oxidation-reduction potential as a control parameter. The optimal median ORP value should be controlled between +50 〜+100mV.
A mathematical model of soluble microbial product (SMP) formation-degradation was incorporated into the Activated Sludge Model No.1, based upon the concept that SMP formation in consisted of two types : utilization-associated product (UAP), which is formed in proportion to the substrated utilization rate ; and biomass-associated product (BAP), which is produced in proportion to the concentration of accumulated biomass. This model was successfully applied to the membrane bioreactor process with high concentration of acivated sludge under intermittent aeration operating condition.

Report

(4 results)
  • 1999 Annual Research Report   Final Research Report Summary
  • 1998 Annual Research Report
  • 1997 Annual Research Report
  • Research Products

    (18 results)

All Other

All Publications (18 results)

  • [Publications] S. G. LU, M. Fukagawa et al: "Fermentation wastewater treatment in intermittent aeration process using ORP control"Environmental Technology. Vol. 21. 115-122 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S. G. LU, M. Fukagawa et al: "Characterization of highly concentrated activated sludge in fermentation wastewater treatment coupled with UF membrane"J. Environ. Syst. and Eng., JSCE. No. 622/VII-2. 95-105 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S. G. LU, M. Fukagawa et al: "Fermentation wastewater treatment in a membrane biorector"Environmental Technology. Vol. 21. 431-436 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S. G. LU, M. Fukagawa et al: "Organic matter and nitrogen removal in rotary disk type UF membrane bioreactor for fermentation wastewater treatment"J. Environ. Syst. and Eng., JSCE. No. 629/VII-12. 123-133 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S.G.Lu, M.Fukagawa et al: "Fermentation wastewater treatment in intermittent aeration process using ORP control."Environmental Technology. 21. 115-122 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S.G.Lu, M.Fukagawa et al: "Characterization of highly concentrated activated sludge in fermentation wastewater treatment coupled with UF membrane."J. Environ. Syst. And Eng., JSCE. 622/VII-2. 95-105 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S.G.Lu, M.Fukagawa et al: "Fermentation wastewater treatment is a membrane bioreactor."Environmental Technology. 20. 431-436 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S.G.Lu, M.Fukagawa et al: "Organic matter and nitrogen removal in rotary disk type UF membrane bioreactor for fermentation wastewater treatment."J. Environ. Syst. And Eng., JSCE. 629/VII-12. (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S. G. Lu, M. Fukagawa et al: "Fermentation wastewater treatment in intermittent aeration process using ORP control"Environmental Technology. Vol. 21. 115-122 (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] S. G. Lu, M. Fukagawa et al: "Characterization of highly concentrated activated sludge in fermentation wastewater treatment coupled with UF membrane"J. Environ. Syst. and Eng., JSCE. No.622/VII-2. 95-105 (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] S. G. Lu, M. Fukagawa et al: "Fermentation wastewater treatment in a membrane bioreactor"Environmental Technology. Vol. 20. 431-436 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] S. G. Lu, M. Fukagawa et al: "Organic matter and nitrogen removal in rotary disk type UF membrane bioreactor for fermentation wastewater treatment"J. Environ. Syst. and Eng., JSCE. No.629/VII-12. 123-133 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 深川勝之: "A study of activities of highly concentrated actiuated sludge in termentation wastewater tratment" IAWQ 19th Biennial International conference. PF-013 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] 呂 樹光: "Simultaneous Nilritication and Denitrification of Fermentation Wastewater in Rotary Disk Type UF Membrance Bioreactor" 土木学会第53回年次学術講演会予稿集. 324-325 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] 松本由理子: "回転平膜を用いた膜分離高濃度活性汚泥法による発酵廃液の高度処理-溶存酸素濃度制御による炭素・窒素の同時除去" 第4回高専シンポジウム予稿集. 56-56 (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] 村上隆之: "回転平膜を用いた高濃度活性汚泥法による発酵廃液の高度処理-ORPを指標とした間欠曝気時間の最適製御" 第4回高専シンポジウム予稿集. 57-57 (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] 今井剛: "回転平膜を用いた膜分離高濃度活性汚泥法における汚泥の活性度変化に関する研究" 土木学会第52回年次学術講演会要旨集. 384-385 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 呂樹光: "Characterigation of Highly Cancentrated Activated Sludge in Fermentation Wastewater Treatment Coupled with Rotary Disk Type UF Membrane" 第32回日本水環境学会年会講演集. 68-68 (1998)

    • Related Report
      1997 Annual Research Report

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Published: 1997-04-01   Modified: 2016-04-21  

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