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W. A. Pretorius
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Journal Articles

Impact of solids management on nutrient ratios for in-line wastewater prefermenters

W. H. Rössle, W. A. Pretorius
Water Sci Technol (2001) 44 (2-3): 77–83.
DOI: https://doi.org/10.2166/wst.2001.0756
Date Online: 01 July 2001
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Journal Articles

Abattoir effluent treatment and protein production

G. H. de Villiers, W. A. Pretorius
Water Sci Technol (2001) 43 (11): 243–250.
DOI: https://doi.org/10.2166/wst.2001.0688
Date Online: 01 June 2001
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Journal Articles

Production of valuable products from organic waste streams

T. H. van der Westhuizen, W. A. Pretorius
Water Sci Technol (1996) 33 (8): 31–38.
DOI: https://doi.org/10.2166/wst.1996.0149
Date Online: 01 April 1996
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Journal Articles

Fungal Purification of an Industrial Effluent Containing Volatile Fatty Acids by Means of a Crossflow-Microscreen Technique

A. L. Kühn, W. A. Pretorius
Water Sci Technol (1989) 21 (4-5): 221–229.
DOI: https://doi.org/10.2166/wst.1989.0225
Date Online: 01 April 1989
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Journal Articles

Control of Biological Scum in Activated Sludge Plants by Means of Selective Flotation

W. A. Pretorius, C J. P. Laubscher
Water Sci Technol (1987) 19 (5-6): 1003–1011.
DOI: https://doi.org/10.2166/wst.1987.0277
Date Online: 01 May 1987
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Journal Articles

The Selective Cultivation of Easily Harvestable Algae Using Crossflow-Microscreening

W. A. Pretorius, L. C. Hensman
Water Sci Technol (1985) 17 (4-5): 791–802.
DOI: https://doi.org/10.2166/wst.1985.0180
Date Online: 01 April 1985
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Journal Articles

An Overview of Digestion Processes

W A Pretorius
Water Sci Technol (1983) 15 (1): 1–6.
DOI: https://doi.org/10.2166/wst.1983.0002
Date Online: 01 January 1983
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