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Development of Bio-PORec (R) system for polyhydroxyalkanoates (PHA) production and its storage in mixed cultures of palm oil mill effluent (POME)

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Author

  • Mohd Fadhil Md Din
  • Ponraj Mohanadoss
  • Zaini Ujang
  • Mark van Loosdrecht
  • Salmiati Muhd Yunus
  • Shreeshivadasan Chelliapan
  • Vasudeo Zambare
  • Gustaf Olsson

Summary, in English

High PHA production and storage using palm oil mill effluent (POME) was investigated using a laboratory batch Bio-PORec (R) system under aerobic-feeding conditions. Results showed that maximum PHA was obtained at a specific rate (q(p)) of 0.343 C-mol/C-mol h when air was supplied at 20 ml/min. The PHA yield was found to be 0.80 C-mol/C-mol acetic acid (HAc) at microaerophilic condition and the mass balance calculation showed that PHA production increased up to 15.68 +/- 2.15 C-mmol/cycle. The experiments showed that short feeding rate, limited requirements for electron acceptors (e.g. O-2, NO3) and nutrients (N and P) showed lower tendency of glycogen accumulation and contributed more to PHA productivity. (C) 2012 Elsevier Ltd. All rights reserved.

Publishing year

2012

Language

English

Pages

208-216

Publication/Series

Bioresource Technology

Volume

124

Document type

Journal article

Publisher

Elsevier

Topic

  • Other Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Feast-famine regime
  • Bio-PORec (R)
  • Aerobic-feeding condition
  • Palm oil
  • mill effluent
  • Polyhydroxyalkanoates

Status

Published

ISBN/ISSN/Other

  • ISSN: 1873-2976