The effect of phenolic acids and molasses spent wash concentration on distillery wastewater remediation by fungi

Francis FitzGibbon, Dalel Singh, Geoff McMullan*, Roger Marchant

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

65 Citations (Scopus)

Abstract

The effect of gallic acid, vanillic acid, and molasses spent wash (MSW) concentration on growth and decolourizing capability of four fungi (Geotrichum candidum, Coriolus versicolor, Phanerochaete chrysosporium and Mycelia sterilia) was studied. Fungal growth was inhibited to a varying extent in the presence of gallic and vanillic acid, except for G. candidum, which was unaffected by gallic acid. G. candidum and R chrysosporium growth rates increased in the presence of increasing concentrations of MSW (up to 50% v/v), however, growth of M. sterilia and C. versicolor was inhibited at spent wash concentrations above 5% (v/v). Increasing the concentration of MSW from 6.25% (v/v) to 12.5% (v/v) increased the decolourizing ability of each fungus, except for M. sterilia. C. versicolor exhibited greatest colour removal with a reduction of 0.43 units at A475 (equivalent to 53% colour reduction) after 10 days growth in 12.5%(v/v) MSW.

Original languageEnglish
Pages (from-to)799-803
Number of pages5
JournalProcess Biochemistry
Volume33
Issue number8
DOIs
Publication statusPublished - Nov 1998
Externally publishedYes

Keywords

  • Bioremediation
  • Decolourization
  • Molasses spent wash
  • White-rot fungi

ASJC Scopus subject areas

  • Biochemistry

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