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Water

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 

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... 

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... 

New range improves bearing load rating

By: System Author     2nd April 1999 Manufacturer of split roller-bearings Cooper Bearings, of the UK, will be launching its new range of 01E series roller-bearings through local distributor Bearings International, a subsidiary of Hudaco, this month. “The new 01E range is an upgraded version of the 01 series, and will replace... 

SA can now drink its fog

By: System Author     26th March 1999 A project to build a fog-collecting system which provides drinkable water to Tshanowa Junior Primary, located in the Soutpansberg mountains in the Northern Province, was completed this month. Funded by the Water Research Commission (WRC), this project served as a pilot project aimed at assessing... 

Small turbines a worldwide energy source

By: System Author     26th March 1999 Worldwide micro-hydro turbine technology is winning popularity as a flexible medium-sized rural power source. Having progressed from research and development to commercialisation in just four years, former World Electricity Council chairperson John Baker pointed out at last year’s congress... 

Black-empowerment water-care initiative

By: System Author     26th March 1999 A joint venture (JV), known as Water- care Africa, has been formed between wholly-owned AECI subsidiary Kynochem and Lupoid International, a black-empowerment consortium. The new company will supply a range of chemicals supported by technical service, installation of tanks, operation of plants,... 

New flowmeters added to range

By: System Author     26th March 1999 US instrumentation specialist Dwyer, represented locally by Gosair Instruments, has systematically extended its range of flowmeters. Dwyer has just added a further two products to its 1999 product list, namely vertically-mounted variable-area (VA) and direct-reading (DR) flowmeters. This... 

Running water tops

By: System Author     26th March 1999 THE provision of running water is seen by South Africans as the most important service priority, followed by affordable housing, electricity, health care and local policing. These findings regarding service delivery emerged from the Human Sciences Research Council’s (HSRC) latest survey of... 

Johannesburg slashes its capex budget

By: System Author     26th March 1999 Johannesburg’s committed capital expenditure budget will be slashed to only R84-million next year and will fall further to R44-million in 2000–2001, city manager Ketso Gordhan tells Engineering News. However, Gordhan is hoping to direct an additional R200-million-to-R400-million... 

Dewatering filter-press installation for steel giant

By: System Author     26th March 1999 Design engineering company Delkor Technik, of Gauteng, has been awarded a multimillion-rand contract for the construction of a filter-press installation to dewater scrubber dusts generated by the wet-scrubbing of the off-gases from the blast furnace at Iscor Vanderbijlpark Works. The filter press... 

Oil-filtration benefits are punted

By: System Author     26th March 1999 South African industry needs to be made aware of the monetary and other advantages of oil filtration instead of simply throwing out used oil, reports Chemilite GM Craig Allport. He explains that the company applies a process whereby machines are used to recycle and purify oil by removing solids,... 

Novel portable filter system introduced

By: System Author     26th March 1999 A revolutionary new mechanically-oper- ated portable filter system known as the Bewasan Classic, which is especially suited for use in the mining industry for purifying battery water, has been introduced to South Africa by Pure Water Technology. Marketing manager Franco Diederiks explains that... 

Piping hot-success in Botswana

By: System Author     26th March 1999 All pipelines supplied for the water-treatment plants of the P1,5-billion North– South Water Carrier project in Botswana have been inspected by local inspection authority Innovative Inspection Services (IIS) of Centurion. Work for the Group Five and LTA joint venture involved inspecting all... 

R146m Botswana water contract

By: System Author     26th March 1999 BOTSWANA’s department of water affairs has awarded a R146-million contract to the Grinaker Whyle/WBHO joint venture. The project involves the upgrading of the water supply, distribution network and sanitation system in and around Tlokweng village, situated outside Gaborone in Botswana. The... 

Power problem solved

By: System Author     26th March 1999 NAMIBIAN electricity utility NamPower called in Alstom Engines to investigate a problem experienced on one of four giant 6,4 MW Mirrlees Blackstone diesel engines at the Paratus power station at Walvis Bay. The 16-cylinder engines, which weigh about 105 t each, drive the generators of the power... 

World’s largest restructuring of forest assets

By: System Author     19th March 1999 What is on offer? The government is offering the assets of the South African Forestry Company (Safcol), and half of the forests of the Department of Water Affairs and Forestry. All in all, this amounts to 332 000 ha of forest plantations, and five sawmills. This is the largest restructuring of... 

Forestry industry faces legislative burden

By: System Author     19th March 1999 The forestry industry is struggling to bear the weight of what it perceives to be restrictive and, in some cases, discriminatory legislation affecting every forester in South Africa, reports Forest Owners’ Association (FOA) executive director Mike Edwards. “This legislation is making... 

New Jhb paint-finishing facility

By: System Author     19th March 1999 A completely-new semi-automated paint-finishing facility has been installed at the Johannesburg assembly plant of SEW Eurodrive. The additions were made without interruption or changes to the assembly lines, and will improve production output for the smaller to medium sizes of geared motors. The... 

Hi-tech projects flowing at soft drink maker

By: System Author     12th March 1999 Various new-technology projects flowing from soft-drink producer Amalgamated Beverage Industries’ (ABI) Clayville plant, in Gauteng, will enable the company to increase production substantially. In August last year the warehouse space of 12 700 m2 was increased by 3 200 m2 to 16 000 m2.... 

SA’s most powerful disinfection system

By: System Author     12th March 1999 What is believed to be the most powerful closed-chamber ultraviolet (UV) disinfection system in operation in South Africa has been installed in a canning facility in the Western Cape. The system has been delivered by specialist supplier UV Water Systems of Sunnyside, Pretoria, reports MD Mario... 

Cable system for wet mill in Gauteng

By: System Author     12th March 1999 An electric-cable transit-sealing system for external and internal use has been specified by Fluor South Africa for use at African Products’ greenfield maize wet-mill project at Kliprivier in Gauteng. The order was placed by electrical subcontractor Kentz of Randburg. The Roxtec system... 

Dolphin Coast takes lead in private water

By: System Author     26th February 1999 French water, sanitation and electricity services company Saur is on schedule with its R1-billion 30-year contract to supply water and sanitation services to the borough of the Dolphin Coast, the greater Ballito Bay area, in Kwazulu-Natal. Dolphin Coast is the first of two pilot projects –... 

Cooling tower agency won

By: Deborah Spicer     26th February 1999 The sub-Saharan African agency for Tower Tech water coolers has been awarded to Midrand, Gauteng, company Industrial Water Cooling (IWC). These cooling towers, partly imported from the US, have many features not found on conventional cooling towers. The finished products have an 80% local content... 

Excavation of Mohale tunnel on track

By: System Author     26th February 1999 Progress on the 31,9-km-long Mohale tunnel, which will transfer water between the existing Katse dam and the still-to-be-built Mohale dam in Lesotho, has reached an important milestone with the start of excavation by the first two tunnel-boring machines (TBMs). An international joint venture,... 

Project to raise dam wall

By: System Author     19th February 1999 THE Zimbabwe Ministry of Rural Resources and Water Development contracted Hydroplus International in December last year in a R13-million project to raise the Ruti dam in the Manicaland Province by 1,6 m. The raising will increase the existing net storage capacity of 126-million cubic metres to... 

R1-billion services concession granted

By: System Author     19th February 1999 SOUTH Africa’s first concession for the provision of water and wastewater services has been granted. In the presence of Provincial Affairs and Constitutional Development Minister Valli Moosa, the borough of the Dolphin coast formally granted a 30-year concession to a consortium led by Saur... 

Argon-purification plant order filled

By: System Author     12th February 1999 Two argon-purification plants have been supplied to Air Products by Keyplan, which is at present in the detailed engineering and procurement phase of a third plant for the gas supplier being exported to Malaysia, Engineering News can today report. To ensure the success of each project the two... 

Sanitation project hits funds snag

By: System Author     5th February 1999 A R64-million project to implement a waterborne sewerage system at Ivory Park in Midrand in 1994 could have been finished within a period of five years but, due to lack of funding, will only be 40% complete by June this year. The Khayalami Metropolitan Council (KMC) and Midrand Metropolitan Local... 

R3bn ‘town within a city’ project kicks off

By: System Author     5th February 1999 An intense 24-month first-phase building programme valued at R3-billion kicked off last week with the sod-turning ceremony of Mine Pension Fund Properties’ (MPFP) Melrose Arch. Nestled between the M1 and Corlett Drive in Johannesburg, the new ‘town within a city’ will be the... 

Argentinian sand filters for South Africa

By: System Author     5th February 1999 TECHNOLOGY first applied in Argentina may be used in South Africa to purify water inexpensively and effectively for rural communities, reports the Water Research Commission (WRC). South African researchers have undertaken intensive tests to determine whether the revolutionary cross-flow sand... 

From the bottom of the sea to a giant waterbag

By: Archivist     29th January 1999 In July last year Norwegian geologists descended to a depth of 5 600 m to investigate the mid-Atlantic ridge west of Svalbard, known before as Spitzbergen. For this venture, the scientists were lowered to perilous depths by the Russian mini-submarines MIR 1 and MIR 2, which were used to film the... 

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