University of Pretoria Logo
English |  Afrikaans |    
  
Department of Chemical Engineering

Dr F Wolfaardt

/sitefiles/Image/44/2063/IMGP2640P.JPG
Position Extraordinary Lecturer
Qualifications PhD MScAgric MEnvM (UFS) 
Telephone +27 12 844 9495
Fax +27 86 679 4753
E-mail

 

Research interests

Enzymatic modification fibre cell walls for improved refining

Application of enzymes to reduce triglycerides and sterol esters in pulp

Enzymatic reduction of polygalactuonic acids to improve wet-end chemistry of paper machines

  

Selected publications

1.  Wolfaardt F.  1994.  Treatment of bleach plant effluents by lignin-degrading fungi - A review.  Paper S.A.  June 94:8-12.

2.  Wolfaardt J.F., J.L. Bosman, A Jacobs, J.R. Male and C.J. Rabie.  1996.  Bio-kraft pulping of softwood  p211-216.  In: E Srebotnik and K Messner eds.  Biotechnology in the Pulp and Paper Industry: Recent advances in Applied and Fundamental Research.  Facultas-Universitätsverlag, Vienna, Austria.

3.    Mosai S., J.F. Wolfaardt, B.A. Prior and L.P. Christov.  1999.  Evaluation of selected white-rot fungi for biosulfite pulping.  Biores. Technol 68:89-93. 

4.   Wolfaardt F., C. Rabie and M. Wingfield.  1999.  Application of fungi and fungal products in biopulping. Part I: Biopulping of wood.  Tappsa J. November 1999:17-21.

5.   Wolfaardt F., C. Rabie and M. Wingfield.  2000.  Application of fungi and fungal products in biopulping. Part II: Biopulping of non-wood fibre.  Tappsa J. January 2000:17-19.

6.   Van der Merwe D., K.-H. Riedel and F. Wolfaardt.  2002.  Analysis of the structural diversity of the microbial community in a paper-mill water system.  Water S.A. 28(4):407-411.

7.  Van der Merwe D., F. Wolfaardt and K.-H. Riedel.  2003.  Analysis of the functional diversity of the microbial communities in a paper-mill water system.  Water S.A. 29(1):31-34.

8.  Wolfaardt F. and C. Rabie.  2003.  Evaluation of the microclimate in a stored softwood chip pile for biopulping.  Holzforschung 57: 295-300.

9.  Chandra R.P., F. Wolfaardt and A.J. Ragauskas.  2003.  Chapter 4.  Biografting of Celestine Blue onto a high kappa kraft pulp.  In: S.D. Mansfield and J.N. Saddler eds.  Applications of enzymes to lignocellulosics.  American Chemical Society, Washington, D.C., United States.

10.  Wolfaardt F.  2003.  Applications of biotechnology in the forest products industry.  Chemical Technology June 2003:11-13.

11.  Jansen van Vuuren H and F. Wolfaardt.  2004.  Evaluation of starch hydrolyzing enzymes to improve drainage of recycled pulp.  Tappsa J. January 2004:17-20.

12.  Wolfaardt F., J.L. Taljaard, A. Jacobs, J.R. Male and C.J. Rabie.  2004.  Assessment of wood-inhabiting basidiomycetes for biokraft pulping of softwood chips.  Biores. Technol. 95: 25-30.

13.  Litthauer D., M. Jansen van Vuuren, A. van Tonder and F. Wolfaardt.  2007.  Purification and kinetics of a thermostable laccase from Pycnoporus sanguineus (SCC 108).  Enz. Microb. Technol. 40: 563-568.

  

Recent conference contributions

1.  Jansen van Vuuren, H. and F. Wolfaardt.  2002.  Evaluation of starch hydrolyzing enzymes to improve drainage of recycled pulp. African Pulp and Paper Week.  Durban, South Africa. 

2.  Chandra R.P., F. Wolfaardt and A.J. Ragauskas.  2002.  Fiber modification with laccase: You say you want a revolution?  American Chemical Society, Orlando, United States.

3.  Wolfaardt F. and T. van der Merwe.  2003.  Biodiversity as an instrument to assess efficacy of biocide programmes  Biotechnology for a Sustainable Pulp and Paper Industry, Viterbo, Italy.

4.  Wolfaardt F. and B. Coetzee.  2004.  Further improvement of laccase production by inter-stock crossing of Coprinus truncorum gametes. 9th International Conference on Biotechnology in the Pulp and Paper Industry.  Durban, South Africa. 

5.  Hallatt G., M. Jansen van Vuuren, D. Litthauer, A. van Tonder and F. Wolfaardt.  2004.  Relationship between laccase activity and protease production. 9th International Conference on Biotechnology in the Pulp and Paper Industry.  Durban, South Africa. 

6.  Wolfaardt F. and B. Coetzee.  2004.  Improvement of laccase production by intra-stock crossing of Coprinus truncorum gametes. 9th International Conference on Biotechnology in the Pulp and Paper Industry.  Durban, South Africa. 

7.  Coetzee B. and J.F.  Wolfaardt.  2007.  Reduction of cationic demand of BCTMP with pectinase. 10th International Conference on Biotechnology in the Pulp and Paper Industry.  Madison, Wisconsin. 

8.  Hallett E.G. and F. Wolfaardt.  2007.  Determination of fibre stability for enzyme-treated pulp. 10th International Conference on Biotechnology in the Pulp and Paper Industry.  Madison, Wisconsin.