http://www.engineeringnews.co.za
  SEARCH
Login
R/€ = 14.84Change: 0.05
R/$ = 13.27Change: 0.04
Au 1133.93 $/ozChange: -0.92
Pt 1009.00 $/ozChange: -11.00
 
 
Note: Search is limited to the most recent 250 articles. Set date range to access earlier articles.
Where? With... When?








Start
 
End
 
 
And must exclude these words...
Close Main Search
Close Main Login
My Profile News Alerts Newsletters Logout Close Main Profile
 
Agriculture   Automotive   Chemicals   Competition Policy   Construction   Defence   Economy   Electricity   Energy   Environment   ICT   Metals   Mining   Science and Technology   Services   Trade   Transport & Logistics   Water  
What's On Press Office Tenders Suppliers Directory Research Jobs Announcements Letters Contact Us
 
 
 
RSS Feed
Article   Comments   Other News   Research   Magazine  
 
 
Jul 26, 2012

Decanting acid mine water could be an opportunity

Back
Johannesburg|AMD|Environment|Mining|Petroleum|Resources|Sustainable|Water|North-West University|Energy|Environmental|Frank Winde|Mine Water|Operations
|Environment|Mining|Petroleum|Resources|Sustainable|Water||Energy|Environmental||Mine Water|Operations
johannesburg|amd|environment|mining|petroleum|resources|sustainable|water|north-west-university-facility|energy|environmental|frank-winde|mine-water|operations
© Reuse this



JOHANNESBURG (miningweekly.com) – Decanting acid mine drainage should be seen as an opportunity in the water-stressed Gauteng region, Professor Frank Winde from the North-West University said on Thursday.

Speaking at the yearly Sustainability Week in Johannesburg, Winde, who headed a research study into acid mine drainage (AMD) in 2011, said a range of opportunities had to be explored for the possible use of decanting mine water.

“Untreated acidic mine water has been used in the past by municipal sewage works in the Central Rand to aid nitrate digestion. Given the number of sewage works in Johannesburg and the volume of sewage to be treated, this alone could perhaps accommodate most, if not all, of the decanting water, resulting in no treatment costs while saving clean water otherwise used for this purpose.

“This is but one example from a range of other possibilities that should be explored,” he said.

Winde also reiterated that the mining industry and government had more time to find a solution for AMD in the Central basin than what has been reported over the past few years.

Citing his 2011 report, which downplayed the risk of AMD flooding in Johannesburg’s central business district, he said that there was a significantly slower rise of the underground mine-water table, a significantly lower volume of decant and a far less severe impact of untreated decant water on the quality of receiving streams than previously reported.

The research study called for a sustainable, low-cost, low-energy solution to the problem, rather than the proposed high-cost, high-energy, pump-and-treatment-option likely to be subsidised by society.

Mining companies argue that the responsibility of dealing with AMD, which is viewed as a mining legacy issue and an ownerless liability, should not be laid solely at the feet of mining companies.

Chamber of Mines head of environment Stephina Mudau said that ownerless and derelict mine sites were the sole responsibility of the State, which should manage the environmental impacts caused during historic mining operations and the effects thereof.

She pointed out that legislation, such as the Mineral and Petroleum Resources Development Act along with the National Environmental Management Act kept operational mines from repeating the mistakes from the past.

“There is also opportunity for partnership and cooperation in dealing with the legacies of acid mine drainage,” Mudau said.

AMD has already been decanting in the Western basin since 2002.
 

Edited by: Mariaan Webb
Creamer Media Senior Researcher and Deputy Editor Online
© Reuse this Comment Guidelines (150 word limit)
 
 
 
 
 
 
 
 
 
Latest News
Updated 4 hours ago Koeberg unit 2 will be shut down on Monday August 31 for scheduled refuelling and maintenance and is expected to return back to service by mid-December 2015, Eskom said late Monday afternoon. The scheduled shutdown of Koeberg unit 2 is part of Eskom’s overall...
Updated 4 hours ago South Africa is set to play host to Africa’s first international renewable-energy conference, providing a platform to showcase the continent’s numerous renewable-energy projects to high-level international delegates, in Cape Town, from October 4 to 7. The South...
Minister in the Presidency for Planning, Monitoring and Evaluation Jeff Radebe
Updated 5 hours ago President Jacob Zuma has transferred the Ministry of Planning, Monitoring and Evaluation to the Department of Planning, Monitoring and Evaluation (DPME), thus completing the reconfiguration of government in line with changes made to the National Executive in May...
More
 
 
Recent Research Reports
Defence 2015: A review of South Africa's defence sector (PDF Report)
Creamer Media’s Coal 2015 report examines South Africa’s coal industry with regards to the business environment, the key participants in the sector, local demand, export sales and coal logistics, projects being undertaken by the large and smaller participants in the...
Real Economy Year Book 2015 (PDF Report)
There are very few beacons of hope on South Africa’s economic horizon. Economic growth is weak, unemployment is rising, electricity supply is insufficient to meet demand and/or spur growth, with poor prospects for many of the commodities mined and exported. However,...
Real Economy Insight: Automotive 2015 (PDF Report)
Creamer Media’s Real Economy Year Book comprises separate reports under the banner Real Economy Insight and investigates key developments in the automotive, construction, electricity, road and rail, steel, water, gold, iron-ore and platinum sectors.
Real Economy Insight: Water 2015 (PDF Report)
Creamer Media’s Real Economy Year Book has been divided into individual reports under the banner Real Economy Insight and investigates key developments in the automotive, construction, electricity, road and rail, steel, water, coal, gold, iron-ore and platinum sectors.
Real Economy Insight: Construction 2015 (PDF Report)
Creamer Media’s Real Economy Year Book has been divided into individual reports under the banner Real Economy Insight and investigates key developments in the automotive, construction, electricity, road and rail, steel, water, coal, gold, iron-ore and platinum sectors.
Real Economy Insight: Electricity 2015 (PDF Report)
Creamer Media’s Real Economy Year Book has been divided into individual reports under the banner Real Economy Insight and investigates key developments in the automotive, construction, electricity, road and rail, steel, water, coal, gold, iron-ore and platinum sectors.
 
 
 
 
 
This Week's Magazine
Training company The Intelligence Transfer Centre will host the fourth yearly Environmental Crimes Conference at the Indaba Hotel, in Fourways, Johannesburg between September 9 and 10. Confirmed key regulatory bodies that will attend the event include the Department...
The government of Egypt has said it is ready to provide technical assistance to Malawi in the development of the Shire–Zambezi waterway, which is designed to link landlocked Malawi to the Indian Ocean by opening the two rivers for navigation. Egyptian ambassador to...
Kenya is finally set to start building a new multipurpose petroleum pipeline, after securing a $350-loan from a consortium of banks, including South Africa's Rand Merchant Bank. The other banks in the consortium are the Cooperative Bank of Kenya, Citibank's Kenya...
MARAIS VAN HEERDEN The owner/operator should be able to view the overall project design and progress made at any time
Three-dimensional (3D) engineering design models can now be viewed on tablets, which enable stakeholders to view the design without having to buy the design software used to create it, says engineering design firm 3DDraughting executive Marais van Heerden. The...
Ford’s newest offering in a long list of newcomers to the local market in the last two years is the B-Max multi-activity vehicle (MAV). The B-Max will play in the so called B-MAV segment, or the small MAV segment, currently dominated by Toyota’s Avanza, which sells...
 
 
 
 
 
 
 
 
 
Alert Close
Embed Code Close
content
Research Reports Close
Research Reports are a product of the
Research Channel Africa. Reports can be bought individually or you can gain full access to all reports as part of a Research Channel Africa subscription.
Find Out More Buy Report
 
 
Close
Engineering News
Completely Re-Engineered
Experience it now. Click here
*website to launch in a few weeks
Subscribe Now for $96 Close
Subscribe Now for $96