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Water

Delivering on essential services

Rapid global urbanisation means governments are reassessing how to meet increased urban densities while creating vibrant, healthy and sustainable environments. The provision of basic services to South Africa’s citizens is a key focus of our...

Making a water footprint

The prestigious WISA 2012 conference is about to get underway, taking place in Cape Town from 6 to 10 May. Debbie Besseling speaks to the conference’s chairperson Dana Grobler about what delegates can expect from this year’s event. The idea behind...

Unlock the potential of anaerobic digestion

It is widely accepted that whilst anaerobic digestion is a proven, effective and highly efficient treatment system, upsets in performance remain common. Process specialist, Claire Lipsett, explains how to unlock the potential of anaerobic digestion...

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...