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Simultaneous biohydrogen production and wastewater treatment in Continuous Stirred Tank Reactor (CSTR) using beet sugar wastewater

  • Gefu Zhu*
  • , Chaoxiang Liu
  • , Guihua Xu
  • , Jianzheng Li
  • , Yanli Gao
  • , Lijun Chen
  • , Haichen Liu
  • *Corresponding author for this work
  • Chinese Academy of Sciences
  • China University of Geosciences, Wuhan
  • China Northeast Municipal Engineering Design and Research Institute

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Biohydrogen production with simultaneous wastewater treatment was studied in continuous stirred-tank reactor (CSTR) using beet sugar wastewater as substrate. Aerobic activated sludge was used as parent inoculum to startup the bioreactor. The reactor started up under the condition of influent COD concentration 4000 mg/L, pH 7, HRT 8h and (35±1), with a biomass of 6.09 g/L activated sludge in term of volatile suspended solid (VSS). The reactor demonstrated stable performance with respect to biogas production and substrate degradation after 28 days of operation. Subsequently, the reactor was operated at OLR of 18 kgCOD/m3•day by the 53th day. During this phase of stable operation, the reactor also showed a COD removal efficiency of 45% and a specific H2 production of 76.64L/kgVSS•d in the system. Experimental data documented the feasibility of molecular H2 generation along with substrate degradation from beet sugar wastewater during the bioreactor operation.

Original languageEnglish
Title of host publication2009 International Conference on Energy and Environment Technology, ICEET 2009
Pages737-740
Number of pages4
DOIs
StatePublished - 2009
Event2009 International Conference on Energy and Environment Technology, ICEET 2009 - Guilin, China
Duration: 16 Oct 200918 Oct 2009

Publication series

Name2009 International Conference on Energy and Environment Technology, ICEET 2009
Volume2

Conference

Conference2009 International Conference on Energy and Environment Technology, ICEET 2009
Country/TerritoryChina
CityGuilin
Period16/10/0918/10/09

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy
  2. SDG 12 - Responsible Consumption and Production
    SDG 12 Responsible Consumption and Production

Keywords

  • Beet sugar wastewater
  • Bio-hydrogen production
  • Environmental pollution
  • Treatment

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