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1111.11."<br />

(ii)<br />

(iii)<br />

(iv)<br />

(v)<br />

(vi)<br />

272<br />

Funke. J.W.• 1969. Industrial water and effluent management:<br />

some aspects on conservation <strong>of</strong> water and effects <strong>of</strong> effluent<br />

disposal on the environment. Summerschool on Water Pollution and<br />

Water Reuse. Ref. No. W2/1I19/2. January 1969. <strong>University</strong> <strong>of</strong><br />

Pretoria. Pretoria. 32 p. (The publication provides older water<br />

consumption data reflecting earlier production techniques for<br />

industries listed in the above table. as well as for the gold. steel and<br />

electricity generation industries. Consumptive use <strong>of</strong> water (total<br />

intake minus total return flow) data are also presented in the report).<br />

Similar (older) data can be found in Van Duuren. F.A. and Funke.<br />

J.W.• 1970. Optimization <strong>of</strong> water use by means <strong>of</strong> water quality<br />

and volume requirements. Water Year 1970. Convention on Water<br />

for the Future. (Department <strong>of</strong> Water Affairs). 16 - 20 November<br />

1970, Pretoria. 8 p. According to the Commission <strong>of</strong> Enquiry into<br />

Water Matters which reported in 1970. the volume <strong>of</strong> water<br />

consumed per electricity unit sent out (at that time) from power<br />

stations. varied from 0.006 m 3 per kWh in old power stations to<br />

0.004 m 3 per kWh in modern stations (Anonymous. 1986)*.<br />

More recent innovations have reduced water consumption even<br />

further. Anonymous (1986) noted that the water consumption at<br />

the ISCOR Pretoria works was 5 m 3 per tonne <strong>of</strong> steel produced.<br />

Funke. J.W.• 1990. The water requirements and pollution potential<br />

<strong>of</strong> South African gold and uranium mines. WRC Report No. KV 9/90.<br />

Water Research Commission. Pretoria. 172 p.<br />

Murray. K.A.• 1987. Wastewater Treatment and Pollution Control.<br />

Water Research Commission. Pretoria. 367 p. (The publication<br />

provides useful information on the mining; cellulose fibre; iron and<br />

steel; tanning; textile; brewing; wine/brandy. and sugar industries in<br />

terms <strong>of</strong> water consumption and water quality).<br />

Stander. G.J.• 1954. Waterbewaring en doeltreffende beplanning vir<br />

die maksimum-eksploitasie van Suid-Afrika se natuurlike hulpbronne.<br />

Tydskrif vir Wetenskap en Kuns. VOl 14(2). Nuwe Reeks. p. 162 ­<br />

177. (The paper is an historical overview <strong>of</strong> water consumption in<br />

South Africa. with reference to selected industrial and agricultural<br />

activities. A brief summary can be found in: Stander. G.J.• 1955.<br />

Water en watergebruik in Suid-Afrika. Tydskrif vir Wetenskap en<br />

Kuns. VOl 15(2). Nuwe Reeks. p. 220 - 224).<br />

Stander. G.J.• 1970. The potential <strong>of</strong> water reclamation in South<br />

Africa. Water Year 1970. Convention on Water for the Future.<br />

(Department <strong>of</strong> Water Affairs]. 16 - 20 November 1970. Pretoria.<br />

6 p. (The paper contains older. although relevant. water reuse data).<br />

* See Anonymous. 1986. Management <strong>of</strong> the Water Resources <strong>of</strong> the Republic <strong>of</strong> South Africa,<br />

Department <strong>of</strong> Water Affairs. Pretoria. various pages.

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