Improved biohydrogen production and treatment of pulp and paper mill effluent through ultrasonication pretreatment of wastewater

Jacqueline Xiao Wen Hay, Ta Yeong Wu, Joon Ching Juan, Jamaliah Md Jahim

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Pulp and paper mill effluent (PPME), a rich cellulosic material, was found to have great potential for biohydrogen production through a photofermentation process. However, pretreatments were needed for degrading the complex structure of PPME before biohydrogen production. The aim of this study was to gain further insight into the effect of an ultrasonication process on PPME as a pretreatment method and on photofermentative biohydrogen production using Rhodobacter sphaeroides NCIMB. The ultrasonication amplitudes and times were varied between 30-90% and 15-60 min, respectively, and no dilution or nutrient supplementation was introduced during the biohydrogen production process. A higher biohydrogen yield, rate, light efficiency and COD removal efficiency were attained in conditions using ultrasonicated PPME. Among these different pretreatment conditions, PPME with ultrasonication pretreatment employing an amplitude of 60% and time of 45 min (A60:T45) gave the highest yield and rate of 5.77 mL H2/mL medium and 0.077 mL H2/mL h, respectively, while the raw PPME without ultrasonication showed a significantly lower yield and rate of 1.10 mL H2/mL medium and 0.015 mL H2/mL h, respectively. The results of this study demonstrated the potential of using ultrasonication as a pretreatment for PPME because the yield and rate of biohydrogen production were highly enhanced compared to the raw PPME. Economic analysis was also performed in this study, and in comparison with raw PPME, the highest net saving was $0.2132 for A60:T45.

Original languageEnglish
Pages (from-to)576-583
Number of pages8
JournalEnergy Conversion and Management
Volume106
DOIs
Publication statusPublished - 1 Dec 2015

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Paper and pulp mills
Effluents
Wastewater
Economic analysis
Nutrients
Dilution

Keywords

  • Hydrogen
  • Photofermentation
  • Pulp and paper mill effluent
  • Rhodobacter sphaeroides
  • Ultrasound technology

ASJC Scopus subject areas

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

Cite this

Improved biohydrogen production and treatment of pulp and paper mill effluent through ultrasonication pretreatment of wastewater. / Hay, Jacqueline Xiao Wen; Wu, Ta Yeong; Juan, Joon Ching; Md Jahim, Jamaliah.

In: Energy Conversion and Management, Vol. 106, 01.12.2015, p. 576-583.

Research output: Contribution to journalArticle

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