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Sewage and Effluent

Pumps well suited to sewage treatment

7th October 2005 The progressing-cavity, helical-rotor positive displacement (pd) pump manufactured by Cemo Pumps exhibits operating characteristics well suited to widely differing applications. 

Firm wins R160-million refurbishment contract

By: Mariaan Webb     5th August 2005 The rapid growth in and around Rustenburg in the North-West province, mainly caused by the increased mining activities, has led to the sewage-purification works becoming overloaded. 

Low-cost sanitation solution tested

25th April 2005 Studies conducted on a pilot project by the Water Research Commission and communities in Ethekwini have shown that the shallow-sewer system can be an effective low-cost solution to the contentious problem of sanitation provision in low income and informal settlements in South Africa. 

Pumps well-suited for sewage treatment

22nd April 2005 The nature of sewage and effluent treatment requires pumps of many kinds, but among those most commonly found is the progressing-cavity, helical-rotor positive displacement (pd) pump. 

Pump solution to benefit future of Zambian towns

22nd April 2005 When Mather & Platt of Gauteng tendered on a sewage and water reticulation project in Zambia, it faced the problem of not only supplying pump solutions that slotted into the capacity of the existing infrastructure, but could also cope once this capacity had been improved. 

Variety of clients for pump supplier

22nd April 2005 Twenty years of experience in the sewage drainage and effluent industry is one of the advantages Emelpee has in the marketing and installing of submersible pumps. 

Brand relaunched on SA pump market

1st April 2005 One of the most renowned names in submersible-effluent pumps, Emu, has been ?relaunched on the South African market by Salmson Pumps SA following the acquisition of Emu by the Salmson group. 

New pumps handle wastewater with ease

1st April 2005 After years of research, design work and testing, Grundfos is ready to impress the market with its new Grundfos SE pumps. 

Dosing units reduce the risk of chlorine-gas leakage

By: Mariaan Webb     1st April 2005 A chlorine-gas leakage can be potentially deadly and in the process of purifying water and wastewater treatment, chlorine is generally found. 

Local firm expands its manufacturing facilities to Southeast Asia

By: Mariaan Webb     1st April 2005 The Brakpan-based sluice-gate manufacturers Gereg Sewage and Water Equipment manufactures sluice gates in three countries outside South Africa’s borders and is soon expanding its manufacturing facilities to the Southeast-Asian country, Malaysia. 

Water-purification products for Africa

1st April 2005 Global-manufacturing specialist of quality bearings and associated products, as well as distributor of sealing systems, power transmission and couplings SKF is the official distributor of the Hiller decanter centrifuges and hydraulic drives to Sub-Sahara Africa. 

Sludge-blanket controller installed at Cape Town works

1st April 2005 Dupleix Liquid Meters Ltd (DLM) recently supplied and installed the sludge-blanket level monitor in a Cape Town-based sewage works. 

Company expands flow-metering range

By: Mariaan Webb     1st April 2005 With water being an important commodity in South Africa, N&Z Instrumentation and Control has further expanded its range of flow metering instrumentation. 

Local software finds international application

By: Mariaan Webb     1st April 2005 South Africa’s software technology is going to be exported to other parts of the world to help solve problems similar to those experienced here. 

Mini plants could solve future sewage overload

By: Mariaan Webb     1st April 2005 South Africa might not experience sewage overload problems now, but Water Engineering and Pumping Technologies (WET) MD Brian Ross foresees that it is only a matter of time before the country will start experiencing problems. 

SA's water and sewer systems raise concern

By: Mariaan Webb     1st April 2005 “Although it is not apparent to the large urban populations, South Africa’s water and sewer systems are the lifelines of the cities and these lifelines are in a desperate state,” Trenchless Techologies’ GM Sagee Moodley tells Engineering News. 

SA needs proper sewage and effluent monitoring

By: Mariaan Webb     1st April 2005 “Treated sewage effluent is one of the most common types of pollution found in rivers draining urban areas,” Ninham Shand Consulting Services environmental discipline head Mike Luger says. 

Company clinches wastewater disposal system contract

1st April 2005 Stemele Bosch Africa (SBA), in association with Knight Pi 

Space-age incineration technology unveiled

1st April 2005 While the Russian space programme and the disposal of South Africa’s hazardous waste may seem to be worlds apart, these two very diverse activities have been brought together in a technology that is available locally, courtesy of Gauteng-based engineering company, Thuthuka Project Managers. 

Drives for sewage treatment applications

1st April 2005 Bearing Man’s gear products division, Power Drives, has a range of drives designed specially for sewage-treatment applications. 

Environmental systems for the metal-finishing industries

1st April 2005 All manufacturing operations using chemicals and water for its production processes have a responsibility to ensure that the ensuing waste water is treated and meets with the compliance limits laid down by their regulatory bodies, VJL Technologies’ MD Johan Vermeulen says. 

Company wins tender for six nitrate analysers

1st April 2005 The performance of a demo-nitrate analyser installed at Driefontein Wastewater Works, one of six hi-tech wastewater treatment facilities operated by Johannesburg Water, has resulted in Endress & Hauser winning a tender for six units. 

Report outlines plan to tackle sanitation, water challenges

1st April 2005 A report launched by the United Nations (UN) Millennium Project Task Force on Water and Sanitation presents an operational plan for halving, by 2015, the proportion of people without sustainable access to safe drinking water and basic sanitation 

New product improves oil/water separation

By: abdul cook     5th November 2004 Point-source runoff and nonpoint-source storm-water runoff from industrial areas contains significant loads of sediment and oil. 

Funding key to beating water and sanitation backlogs

By: Irma Venter     1st October 2004 The current level of investment of R2,3-billion provided in the Municipal Infrastructure Grant (MIG) allows for seven years to completely clear the backlog on water supply, and nine years to do the same with the backlog on providing basic sanitation – which is three years behind the... 

Sewer rehabilitation using modern methods

By: Karel Smrcka     20th August 2004 Last week’s column was concerned with non-disruptive repair of metropolitan sewage infrastructure and a ‘pipe within a pipe‘ method in which a thermoset-impregnated fabric or felt tube is introduced into an existing sewer, the resin then being cured in situ as a composite. In... 

Nondisruptive repair of deteriorating sewers

By: Karel Smrcka     13th August 2004 Most metropolitan sewage infrastructures are now between one and two centuries old and their brick, glazed clay, concrete and steel sewers are showing their age. 

Water Affairs' focus to fall on sanitation

5th May 2004 Newly-appointed Water Affairs and Forestry Minister Buyelwa Sonjica looks set to focus on the same targets her predecessor was aiming at before President Thabo Mbeki's new Cabinet was announced last week. 

Tanzanian water and sanitation contract awarded to local company

By: lauren rota     2nd April 2004 After three complex rounds of bidding that took six years to process, the Dar es Salaam Water and Sewerage Authority’s (Dawasa) water and sanitation schemes were leased on a ten-year contract to a joint venture. 

Rural pumping schemes installed in Botswana

By: lauren rota     2nd April 2004 A local pump supplier has secured contracts for more than fifty self-priming pumps in Botswana. 

Department of Health reduces outbreaks of water-borne diseases

By: lauren rota     2nd April 2004 In collaboration with the Department of Water Affairs and Forestry (Dwaf), the Department of Health (DoH) has developed a strategy, and assembled national and provincial outbreak-response teams, to respond to epidemics of water-borne diseases including cholera and typhoid, and water-related... 

Industry is to accept increasing responsibility for the environment

By: lauren rota     2nd April 2004 The soon-to-be-amended National Environmental Management Act (Nema), Act 107 0f 1998, presents legislative changes that could have drastic consequences for industrial non-compliers.? 

Ekurhuleni water-treatment plant capacity to be upgraded to 150 Ml a day

By: lauren rota     2nd April 2004 An upgrade to the Waterval wastewater-care works in Klip River will provide additional capacity to service southern Ekurhuleni.? 

New sewage-grinder pump range released

2nd April 2004 Following years of development work, a global pump manufacturer has launched its new line of submersible sewage grinder pumps on the local market. ? 

European partnership supplies local wastewater treatment facility

2nd April 2004 A partnership between Hansen Transmissions International (HTI) and Netherlands-based company, Landustrie, has proved lucrative on numerous occasions.? 

Award for commitment to cleaner environment

2nd April 2004 ?The Nampak Flexible Origination centre, which manufactures gravure cylinders for Nampak Flexible, has won an award for its industrial-effluent disposal. ? 

Local ozone generators supplied to Greece, Italy and Bahrain

By: lauren rota     2nd April 2004 With a yearly international growth rate of 40%, ozone-based water-treatment methods are threatening to overthrow chlorination as a preferred multipurpose water-treatment system. ? 

SA could move from a water-stressed to a water-scarce category

By: lauren rota     2nd April 2004 South Africa’s current drought is more intense than the preceeding decade’s droughts in 1993 and 1995, yet no water-consumption restrictions have been implemented because the raw-water-storage supply in the Lesotho Highlands Project is seen as adequate. 

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