Improving photofermentative biohydrogen production by using intermittent ultrasonication and combined industrial effluents from palm oil, pulp and paper mills

Pretty Mori Budiman, Ta Yeong Wu, Ramakrishnan Nagasundara Ramanan, Jamaliah Md Jahim

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

An ultrasonication technique was applied intermittently onto photofermentation broth during the first six hours of photofermentation to improve biohydrogen production by using Rhodobacter sphaeroides NCIMB8253. In this research, photofermentation broth consisted of a combination of palm oil (25%, v/v), pulp and paper (75%, v/v) mill effluents as well as liquid inoculum. The effects of amplitude (10, 20 and 30%, A) and ultrasonication duration (5, 10 and 15 min, T) were investigated in terms of their influences on photofermentative biohydrogen yield and total chemical oxygen demand (CODtotal) removal. The recommended ultrasonication parameters were found at the middle range of amplitude and duration (A20T10). Using A20T10 intermittent treatment, the production of biohydrogen could be maximized up to 14.438 mL H2/mLmedium with a CODtotal removal and light efficiency of 52.2% and 7.412%, respectively. By comparing the treatment without intermittent ultrasonication, an increase of biohydrogen yield by 44.6% was achieved in A20T10 treatment. A total energy input of 306.1 J/mL (A20T10 treatment) was supplied to improve substrate consumption and light distribution during the photofermentation, which led to the increase of biohydrogen yield.

Original languageEnglish
Pages (from-to)110-118
Number of pages9
JournalEnergy Conversion and Management
Volume132
DOIs
Publication statusPublished - 15 Jan 2017

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Palm oil
Paper and pulp mills
Effluents
Chemical oxygen demand
Pulp
Liquids
Substrates

Keywords

  • Palm oil mill effluent
  • Photofermentation
  • Pulp and paper mill effluent
  • Rhodobacter sphaeroides
  • Ultrasound
  • Wastewater reuse

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology

Cite this

Improving photofermentative biohydrogen production by using intermittent ultrasonication and combined industrial effluents from palm oil, pulp and paper mills. / Budiman, Pretty Mori; Wu, Ta Yeong; Ramanan, Ramakrishnan Nagasundara; Md Jahim, Jamaliah.

In: Energy Conversion and Management, Vol. 132, 15.01.2017, p. 110-118.

Research output: Contribution to journalArticle

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