Comparison of supercritical fluid extraction and Soxhlet extraction for the determination of DDT, DDD and DDE in sediment

Performance and biomass characterization of an UASB reactor treating domestic wastewater at ambient temperature

Biological sludge stabilisation Part 1: Kinetics of aerobic sludge digestion

Biological sludge stabilisation Part 2: Influence of the composition of waste activated sludge on anaerobic stabilisation

Pre-polymerised inorganic coagulants and phosphorus removal by coagulation – A review

Nitrification of waste waters from fish-meal factories

The use of sago waste for the sorption of lead and copper

Seasonal steroid hormone profiles in plasma and gonads of the tilapia, Oreochromis mossambicus

Comment: Comment on “Water Demand and Population Growth” by CF Schutte and WA Pretorius (Water SA 23 (2))

SA Waterbulletin June 1998