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The nexus between water, energy and food security

Global water, energy and food resources are under enormous pressure. Over the next few decades, increases in population and consumption, as well as rapid urbanisation will exacerbate this pressure. Historically, South Africa’s economic wealth and...

Green washing or step in the right direction?

A petrochemicals group involved in affordable housing made from mining and manufacturing by-products, as well as an Eco Industrial Park in the hub of the Free State? Could the world’s largest maker of motor fuels from coal and one of South Africa’s...

Crystallization technology

WATER TREATMENT Water scarcity (hydric stress) is an imminent global challenge. The demand for desalination technologies is increasing steadily. It is estimated that half of all installed desalination capacity worldwide is treated by reverse...

WWTW upgrade to lower carbon emissions

Two biogas scrubbing and cogeneration – combined heat and power (CHP) plant –are scheduled for the Northern Wastewater Treatment Works and the Driefontein Wastewater Treatment Works. Until now, the biogas produced by the WWTW plants has been used...

The eco-friendly paper-making process

Minimising toxic substances, decreasing production costs GEA Westfalia Seperator Group, the world’s leading company for mechanical separation technology, has set another worldwide standard in terms of economy, efficiency and environmental...

Bethlehem hydro leads the way

The Bethlehem hydro project obtained the first, non-consumptive, water-use licence for a hydro power station under the Water Act. Water&Sanitation Africa looks at the highlights of this groundbreaking project. The Bethlehem hydro is a truly...

Level of dams

The full-supply capacity (106 m3) and level of some of South Africa’s dams, as at 30 August 2010. Limpopo Hartbeespoort (NW) (186.44) 98.3% Olifantsnek (NW) (13.67) 99.4% Buffelspoort (NW) (10.25) 100.4% Bospoort (NW) (15.79) 94.1% Lindleyspoort...

Tank level gauges

A leading Australian line of liquid level indicators for storage tanks and reservoirs has recently been launched in South Africa. Yaktek level indicators, available from Rainbow Reservoirs, provide a precise read-out that does not need to be...

JHB Water to Upgrade Soweto Infrastructure

Johannesburg Water is set to resume its infrastructure upgrade and rehabilitation programme for Soweto. This programme is part of the overall infrastructure renewal programme across the city. WaterandSanitation Africa reports. Currently, the City...