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Sewage and Effluent

Answer to problem of acid mine drainage

By: System Author 9th April 1999 A revolutionary new process for the purification of acid mine drainage or any effluent with a high sulphate content has been developed by Mintek in conjunction with Savannah Mining and the Wren group. The patented Savmin process is a simple, cost-effective process for producing water of potable... →

Sanitation for 400 000 users

By: System Author 9th April 1999 Despite budget constraints, the Eastern Gauteng Services Council (EGSC) has been able to provide 400 000 people with effective sanitation and water services in the past three years, water and sanitation manager Danie van der Merwe tells Engineering News. He adds that, in general, budgets are... →

Sampler eliminates errors

By: System Author 9th April 1999 Historically, reliable sampling of liquids has been impeded by the human element in sampling procedures. The new Endress+Hauser precision sampler ASP 2000 solves this problem by automating the process, and providing precise sample-dosing as well as cooled-sample storage, and can be used on... →

Batch-treatment is revived in South Africa

By: System Author 9th April 1999 By offering the turnkey design, manufacture, construction, commissioning and operation of sewage and effluent-treatment plants, Prentec, of Gauteng, can offer its clients at least a 30% reduction in price, MD John Buchanan tells Engineering News. He adds that the company is the only one of its... →

New pure-oxygen treatment system for SA

By: System Author 9th April 1999 More stringent legislation and concern for the environment have increased the awareness in South Africa for improving industrial and municipal wastewater disposal. Companies are looking at new ways to improve existing operations, or apply advanced technologies to new processes. Air Products, a... →

20-year sludge-processing contract for Pta

By: System Author 9th April 1999 In line with government’s intention to finance capital projects through the private sector using build, operate, transfer/build and operate, own, transfer (Bot/Boot) techniques, the Greater Pretoria Metropolitan Council (GPMC) is in the process of finalising enquiries for a 20-year Boot... →

R17m Cape Town pipeline

By: System Author 9th April 1999 A 3 800 m sewer pipeline being laid in Cape Town’s northern suburb of Goodwood at present, which is due to be completed in July, will make an important contribution to Cape Town’s utility facilities. The R17-million tender to replace the existing 500 mm sewer line was issued by the... →

Firms flow together to offer turnkey service

By: System Author 9th April 1999 Asubsidiary of Bate- man Project Hol- dings, Bateman Water, is well-positioned to compete strongly in the water-treatment market in Southern Africa and abroad. Bateman Water was established when Bateman acquired Bateman Water Treatment (BWT) from Bateman Industrial Corporation, and merged its... →

Electro-osmosis filter

By: System Author 9th April 1999 The first order to supply an electro-osmosis (E-O) belt filter for a wastewater-treatment plant has been received by Steinm →

Pultrusion process to combat corrosion

By: System Author 9th April 1999 Water quality is critical to the quality of our future, and today engineers look more and more to lifecycle costs in specifying materials for design and construction of new and upgraded water-treatment facilities. Lower installation and maintenance costs and long-term performance are factored... →

New anti-pollution biocatalyst tested

By: System Author 9th April 1999 South African researchers are working on an innovative concept aimed at naturally purifying the widespread pollution in the country’s rivers. A research project financed by the Water Research Commission (WRC) has revealed that some of the biological aids already used to purify polluted... →

1964 gearboxes still going at wastewater works

By: System Author 9th April 1999 Four generations of Brook Hansen industrial gearboxes work seven days a week around the clock to assist with the purification of 35-million litres of water a day at the Baviaanspoort wastewater-purification works in Pretoria. Purification plants are notorious for the severe demands they make on... →

Sewer-catchpit cleaner launched

By: System Author 9th April 1999 THE tender for the supply of a novel sewer catchpit/stormwater cleaner machine has been clinched by Goscor Industrial. A specialised machine manufactured in the US, the Vactor meets the requirements of this broad description. The unit is the latest in the Goscor range of specialised equipment for... →

Valves for water, effluent services

By: System Author 9th April 1999 INNOVATIVE valves for water and effluent services have been released by BTR Flow Control of Jet Park, Gauteng. Effluents can contain chemicals which could cause corrosion problems in valves. To overcome corrosion, metal piping and valve systems often have to use special alloys, which are very... →

R17-million sewer pipeline on track

By: Archivist 29th January 1999 DUE to be completed in July, a 3,8-km-long sewer pipeline being laid in Cape Town’s northern suburb of Goodwood will make an important new contribution to Cape Town’s utility facilities. The R17-million tender to replace the existing 500 mm main sewer line was issued by the Cape... →

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No big bang

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Hadley Natus

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WATER WORRIES

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FOOD INSECURITY

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