Research Article

Enhanced biological treatment of spent metalworking fluids by prior removal of a polymer

  1. Helen E Connolly1,2,4,
  2. Christopher J van der Gast1,
  3. Doug Wylie3,
  4. Tom Stephenson2,
  5. Ian P Thompson1,*

Article first published online: 18 JUL 2006

DOI: 10.1002/jctb.1556

Issue

Journal of Chemical Technology and Biotechnology

Journal of Chemical Technology and Biotechnology

Special Issue: Bioremediation Special Issue

Volume 81, Issue 9, pages 1540–1546, September 2006

Additional Information

How to Cite

Connolly, H. E., van der Gast, C. J., Wylie, D., Stephenson, T. and Thompson, I. P. (2006), Enhanced biological treatment of spent metalworking fluids by prior removal of a polymer. J. Chem. Technol. Biotechnol., 81: 1540–1546. doi: 10.1002/jctb.1556

Author Information

  1. 1

    Environmental Biotechnology Section, Centre for Ecology and Hydrology, Mansfield Road, Oxford OX1 3SR, UK

  2. 2

    Cranfield University, Cranfield, Bedfordshire MK43 0AL, UK

  3. 3

    BP, Lubricants UK Ltd, Wakefield House, Pipers Way, Swindon SN3 1RE, UK

  4. 4

    CLEMANCE, University of Teesside, Middlesbrough, Tees Valley TS1 3BA, UK

*Environmental Biotechnology Section, Centre for Ecology and Hydrology, Mansfield Road, Oxford OX1 3SR, UK

Publication History

  1. Issue published online: 1 AUG 2006
  2. Article first published online: 18 JUL 2006
  3. Manuscript Revised: 28 NOV 2005
  4. Manuscript Accepted: 28 NOV 2005
  5. Manuscript Received: 30 SEP 2005

Funded by

  • EPSRC/FIRSTFARADAY CASE
  • Castrol Industrial

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Keywords:

  • bioaugmentation;
  • green formulation;
  • metalworking fluids;
  • pre-emptive bioremediation

Abstract

The biological treatment of spent synthetic metalworking fluid (MWF) has been investigated in many studies, with most reporting the presence of undegraded components in the residual waste. In this study a hybrid approach to waste treatment of spent MWF, involving both physical treatment and microbial degradation, was investigated. The effect of the removal of a synthetic polymer on biological degradation was investigated in a bioreactor system. Polymer removal was found to have little effect on the degradation efficiency of the remaining components but resulted in a waste product with 14% lower chemical oxygen demand. An additional benefit of this approach is that it enables the possibility of recycling of the recovered components, with the aim of economising on future product formulation and reducing waste discharge. Copyright © 2006 Society of Chemical Industry

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