SA Waterbulletin May 1982

Abstract

Nuusbrief van die Waternavorsingskommissie MEl/MAY 1982 Newsletter of the Water Research Commission A I Mna~ on Effluents from the fish oil, meal and canning plants situated along the coasts of the Republic have long been of concern and are to be investigated, according to an announcement by the Water Research Commission. An investigation into the extent and causes of this pollution load has been undertaken during which 21 fish processing factories were visited, their water consumption estimated and the pollution loads generated quantified from samples Kyk p. 2ISee p. 2 collected and analysed. The investigation revealed that during the season of approximately six months 338 000 t of fish were processed into about 218 000 t of fish meal, and the remainder canned. The fishing industry in South Africa was found to use 490 Ml of fresh and 7 800 MI of sea water during the season. Sea water is used at a rate of between 5,35 and 30 kI/t of fish processed.

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