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Sewage and Effluent

Township gets outfall sewer

By: lauren rota     2nd April 2004 In November last year, Park Haven township in Kempton Park was given an infrastructure boost through the award of a contract for the installation of an outfall sewer and a bulk-connection water pipe.? 

Design tips for trickling filters

2nd April 2004 “The minimum wetting rate (MWR) of trickling filter (TF) media cannot be stressed enough,” Terbo Plastic CEO Harry Botha says.? 

Alternative pump is suggested

By: lauren rota     2nd April 2004 South African sewage-treatment systems typically make use of centrifugal and progressive-cavity pumps, which suffer from problems relating to the solid-laden effluent and the presence of stringy material. 

Viable low-cost sanitation alternatives identified

By: lauren rota     2nd April 2004 The contentious issue of the levels of sanitation service provided to low-income and informal settlements, and the arrangements for implementing such projects have been a focus of numerous research efforts by the Water Research Commission (WRC). 

Catalytic converter for organic water pollutants

2nd April 2004 An innovative catalytic converter for factories – based on ultrasound that virtually eliminates organic waste from polluted water – could be available to a range of industries before the end of the decade. 

New-era water works opens on East Rand

By: Zonika Botha     12th December 2003 The first wastewater treatment works in South Africa to produce treated water to the new 2010 water quality standards, and also the first to operate on the new water licensing system, was officially opened by Water Affairs and Forestry MInister Ronnie Kasrils last week. 

Digital data from the underground

By: Karel Smrcka     26th September 2003 Cities’ ageing sewage pipe networks should ideally be regularly surveyed for cracks and weaknesses, but traditional inspections based on closed-circuit television (CCTV) images can be unreliable and inaccurate, since they depend on the subjective interpretation of video images of video... 

New tanker fleet to tackle Joburg’s sewers

12th September 2003 Sewer and sanitation service provider for the city of Johannesburg, Johannesburg Water, experiences some 3 000 sewer blockages a month throughout the 9 200 km sewer network that it manages. 

Sanitation struggle continues

By: Zonika Botha     1st September 2003 It is something that most people take for granted, yet worldwide there are a staggering 2,4-billion people who do not have access to adequate sanitation. 

Wastewater membrane means no more money down the drain

By: Karel Smrcka     29th August 2003 The constituents of some effluents can also be valuable and, if not properly treated, wastewater can literally throw money down the drain. 

Sanitation struggle continues

By: Zonika Botha     29th August 2003 It is something that most people take for granted, yet worldwide there are a staggering 2,4-billion people who do not have access to adequate sanitation. 

SA-made waste-gas burners available soon

4th April 2003 Local furnace company, Safurnco, is soon to supply locally manufactured waste gas burners for sewage works. 

Pump maker expands stock

4th April 2003 Pumps manufacturer Salmson Pumps South Africa has extended its stock of specialist pumps to handle a wider variety of light- to heavy-duty sewage and effluent disposal work. 

Municipalities should consider dry sanitation, says NGO

By: Marius Roodt     4th April 2003 The three largest municipalities around the country, Johannesburg, Cape Town and Durban are increasingly realising that waterborne sewage is no longer the ideal ways to dispose of human waste in the short-term, reports Mvula Trust technical specialist Richard Holden. 

R40m relief sewer soon to be constructed in Johannesburg

By: Marius Roodt     4th April 2003 The utility Johannesburg Water is set to construct a R40-million relief sewer for the city. 

Developments planned around the Jukskei river in Alexandra cleanup

By: Marius Roodt     4th April 2003 The Jukskei river is being cleaned up as part of a larger Alexandra cleanup scheme, reports convenor of engineering services at the Alexandra Renewal Project Rodney Nay. 

Alternative to gravity sewage system suggested

By: Marius Roodt     4th April 2003 A new sewage system developed by a German company may solve problems of water use and wastage in Africa. 

Drives on offer for sewage-treatment applications

4th April 2003 The gear products division Bearing Man, Power Drives, reports that it has a range of drives available, designed specially for sewage treatment applications. 

Gold and silver oxygen sensor developed

4th April 2003 It has been said that it is the dream of any technician working on a high-accuracy plant, such as wastewater, to have instruments that are still accurate after ten years of operation. 

Local and international company form new venture

4th April 2003 It often takes the outbreak of disease such as cholera to draw attention to the inadequacy of water and sanitation systems in a country. 

Utility invests in new water-analysis equipment

4th April 2003 Water provision company Johannesburg Water (JW), the water and sanitation provider for the city of Johannesburg, has upgraded its analytical ability with the purchase of a new Agilent Gas chromatograph-mass spectrometer (GC-MS) system at a cost of R1,2-million. 

Strategic alliance set to promote bacterial products locally

By: Marius Roodt     4th April 2003 A new strategic alliance has been formed between Bale Environmental Engineering and Gijima-MCC, a subsidiary of the MCC Group, in the field of sewage and effluent. 

Range of resins and adsorbents available

4th April 2003 Rohm and Haas’ ion exchange resins division has developed a range of special resins and adsorbents used in catalysis and chemical processing industries, including sewage and effluent applications. 

Johannesburg company to commission dosing plant

4th April 2003 A Johannesburg-based company, Electron Technologies, is to commission the system one and two batch silica activation and dosing plant at Rand Water’s Zuikerbosch pumping station, near Vereeniging, which incorporates a motor control centre (MCC) designed, manufactured and installed by Electron. 

National and international municipal engineers’ congress in November

4th April 2003 The Institution of Municipal Engineers of Southern Africa (Imesa) will be hosting their annual conference in association with the International Federation of Municipal Engineers (IFME) congress from November 4 to 7, 2003. 

New trucks to assist sewage maintenance

By: Marius Roodt     4th April 2003 A Johannesburg-based company is supplying the city’s water utility, Johannesburg Water (JW), with three specially designed trucks for the removal of sewage and sediment from the metropolitan council’s 10 000 km-long sewage system. 

Applicator invention assists fertiliser project in going ahead

4th April 2003 Pump manufacturer Orbit Pump Manufacturing has assisted in the design of an applicator for accurate distribution of liquid organic fertiliser at a constant rate. 

Government targets access to basic sanitation for all by 2010

4th April 2003 The government has stated its aim as ensuring that by 2010 every South African has access to basic sanitation, says a Department of Water Affairs and Forestry (Dwaf) spokesperson. 

‘Principles, not sentiment, should underpin BEE’

7th March 2003 BLACK Economic Empowerment (BEE) should be guided by sound business principles and not sentiment. 

Grants available for pollution busters

By: Deborah Spicer     27th September 2002 Local authorities interested in reducing pollution from settlements will be able to apply to the Development Bank of South Africa, for technical grants, and the Consolidated Municipal Infrastructure Plan, for capacity-building grants, from January, informs Manda Hinsch, the Department of Water... 

South-South water partnership launched

By: Deborah Spicer     13th September 2002 Links between South Africa and Brazil became stronger in September, when two local water utilities signed a partnership agreement with three Brazilian water-service providing organisations at the World Summit on Sustainable Development. 

Joburg water utility plans new sewer pipeline 

9th September 2002 Johannesburg Water, the water and sanitation service provider for the city of Johannesburg, has plans to construct a new sewer pipeline in the north of the city to accommodate the rapid development and growth. 

Big toilet roll-out for SA's rural areas

By: Deborah Spicer     6th September 2002 Some 140 000 toilets will be installed in rural areas by the Department of Water Affairs and Forestry this year at a cost of $25-million, reports Water Affairs and Forestry minister Ronnie Kasrils. 

S African tanks bound for a Zanzibar sewage plant

By: candice haase     9th August 2002 East Rand-based vessel and tank manufacturer Famsystems has been awarded a R1,5-million contract to design, manufacture, supply, install and commission tanks for a sewage plant in Zanzibar, an island off the coast of Tanzania. 

Jo'burg utility finds money in muck

By: Irma Venter     17th May 2002 Olifantsvlei regional sludge-handling facility, one of the biggest composting facilities in the world, has managed a turnaround under Johannesburg Water (JW). 

SA tackles water and sanitation backlog

By: Zonika Botha     10th May 2002 The Community Water Supply and Sanitation programme of the Department of Water Affairs and Forestry (Dwaf) won first place at the prestigious Water Globe Awards held in Linz, Austria, in March this year. 

Waste, sewage market gets Brazilian treatment

26th April 2002 East-Rand based pump supplier, Gresco South Africa has reported significant progress following its establishment in the local market last year. 

Pumping solution for food company

26th April 2002 A Johannesburg-based food manufacturer in producing various food condiments and cooking mixtures was having problems decanting very thick tomato pastes from polycans into the mixing vessels while using electric rotary-lobe stainless-steel pumps. 

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