Since an anaerobic treatment system does not need oxygen, this system does not require much energy for aeration. In addition, it produces less excess sludge compared to an aerobic system, and can produce energy in the form of methane gas. For this reason, the anaerobic treatment is a promising wastewater treatment technique. A pilot-scale study was performed of an anaerobic digestion using high concentration wastewater. The system consisted of an anaerobic fixed-bed bioreactor for high density of bacterial cells. The bioreactor had a fixed-bed with an effective volume of 5m3 packed with pumice stone. In a continuous run with the membrane module system, the HRT was 12 hours, maximum BOD loading rate was 35 kg-BOD m3/day, and BOD removal rate was 93%. High efficient continuous operation was attained with concentration of useful bacteria by the membrane.

  • Supplemental Notes:
    • US-Japan Technical Workshop on Shipboard Wastes Treatment Technology; 19-21 Sept 1994; Tokyo, Japan. Sponsored by Ship Res Inst, Japan and Office of Naval Research, USA. Procs. Publ by Ship Res Inst, Japan. Technical session 1, p 2-50 [4 p, 7 ref, 2 tab, 5 fig]
  • Authors:
    • Okamura, K
  • Publication Date: 1994


  • English

Subject/Index Terms

Filing Info

  • Accession Number: 00710644
  • Record Type: Publication
  • Source Agency: British Maritime Technology
  • Files: TRIS
  • Created Date: Aug 14 1995 12:00AM