acid mine drainage sustainability drdgold

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Appeal for faster action to solve acid mine drainage problem

Acid mine water running into our rivers "' much faster action is needed to combat the problem Cape Town, South Africa — MININGREVIEW.COM — 29 June 2011 - Rand Uranium CEO John Munro has made an appeal for much faster action and has asked for a redoubling of efforts to find a solution to the acid mine drainage (AMD) problem on the Witwatersrand.

Environmental Compliance - Business Media MAGS

SA Mining recently caught up with the Federation for a Sustainable Environment (FSE) to understand how well the concerns plaguing industry are being addressed. ... Among government's efforts has been the construction of acid mine drainage (AMD) treatment plants in 2012/13 within the Western, Eastern and Central Witwatersrand Basins for the ...

Archives - Bench-Marks Foundation

Acid mine drainage real threat to mine-impacted communities - 29/08/2017. Acid mine drainage (AMD), the result of over a century of abusive mining practice, has become a real threat to the well being of residents of townships adjacent to mining activities in Gauteng. Call for compensation into asbestos in Soweto - 29/08/2017

DRDGold: South Africa's largest tailings project kicks into first gear

DRDGold has embarked on the first phase of what will be one of the largest tailings recovery operations in South Africa. According to CEO, Niel Pretorius, the tailings retreatment facility will bring additional cash flow into the business while delivering massive environmental and sustainability benefits to the larger West Rand.

WUC to list as acid water issue burns DRDGold - Miningmx

WUC to list as acid water issue burns DRDGold By David McKay - Jun 7, 2012 [ miningmx] - THE Western Utilities Corporation's (WUC's) proposal for treating acid mine drainage (AMD) may have been finally rejected by Government, but it's not stopping the listing of WUC, renamed Mine Restoration, on Johannesburg's Altx exchange next week.

Water and Fact Sheet Land - Drdgold

acid mine drainage (AMD). Many of the historic dumps that DRDGOLD targets for reclamation were not built to contemporary standards of environmental governance. In fact, many of these dumps have been long defunct and are sources of groundwater seepage. Dumps harking back to the early days of mining were also created mostly in low lying

(PDF) Valorisation of mine waste -Part I: Characteristics of, and ...

water with high metal content, called acid rock drainage (ARD) or acid mine drainage (AMD) when in association with mines. Tailings As the ore is processed and the valuable minerals are separated ...

Reducing the footprint of industrial water users - Crown

The lack of available water was exacerbated by huge quantities of water devoured by industry. Additionally, untreated water discharged into the environment can have severe consequences - acid mine drainage being only one example. South Africa is a water scarce country, and a lot more should be done to preserve the resource.

Sibanye Stillwater : Company Financial Statements 2019 - MarketScreener

Sibanye-Stillwater also has an interest in surface tailings retreatment facilities located from the East Rand to the West Rand through our 38.05% stake in DRDGOLD which was increased to 50.10% on 10 January 2020.

now - Sibanye Gold Integrated Annual Report 2014 - abcdocz

The sustainability performance data selected by Sibanye for assurance by KPMG Services can be found on page 124. The reporting guideline used by Sibanye includes the GRI G4 Sustainability Reporting Guidelines, the Broad-based Socio-economic Empowerment Charter for the South African Mining and Minerals Industry (Mining Charter) (2002) and ...

Defining What Matters - Global Reporting Initiative

Defining What Matters Do companies and investors agree on what is material? Mining, Metals and In collaboration with Electric Utilities ABOUT GRI intermediaries and cover a range of ESG- GRI is an independent international organization that integrated investments (in public and private has pioneered corporate sustainability reporting equity), featuring a strong track record in resource since 1997.

How much for Danger Pay? - Environment

Surface sources are still being treated. The NUM requested a minimum salary of R2 700 a month for level five employees, who currently earn a basic salary of R2 010 a month. Simmers said on Thursday evening that it was offering an increase of R2 450 a month over a two-year period. Simmers bought the mine from DRDGold in 2005, after the larger ...

Could Coal Waste Be Used to Make Sustainable Batteries?

An early version of the bill reads: "Previously considered a liability, ownership of acid mine drainage treatment byproducts is poorly defined. This legislation seeks to clarify ownership of these byproducts in order to incentivize acid mine drainage treatment while recovering rare earth elements and critical materials."

Call on government to decide on AMD solution | link crusher

The Federation for a Sustainable Environment (FSE) has urged government to move fast on deciding on the preferred process to treat toxic water from mining operations in the Western, Central and Eastern ... government makes in the case of tSilica sand mining plant supplierhe three basins will set the legal precedent for the acid mine drainage ...

Sustainability | Free Full-Text | Variations of Soil Chemical ...

Acid Mine Drainage (AMD) is unique acidic wastewater produced in the process of iron mining and utilization. The soil and wetland contaminated by AMD in a mining area in Ma'anshan were studied in this paper. The physical and chemical characteristics and microbial community structure of the samples were analyzed to evaluate the resident soil pollution. The results showed that the soil ...

Gauteng Business News Website

MINING: Support for Acid Mine Drainage Solutions; BUSINESS INTELLIGENCE: Eskom's Road to Business Intelligence; GREEN AWARD: Nedbank Gets Another Green Award; DESIGN: Creative Week Type MMX Debuts During Loeries ; TELECOMS: Central Recording Can Boost Efficiency Of Emergency Services; BEE: ABVA Objects to DTI Approach

American Resources hires industry leading expert to help with rare ...

DRDGOLD is a world leader in the recovery of gold from the retreatment of surface tailings; Companies ... handling and analysis of REE feedstocks from the company's acid mine drainage and coal processing waste streams . ... "Process" and "Purify", we bring a practical and comprehensive approach in creating a sustainable, domestic supply chain ...

Data exposes lack of mine closures, despite R45-billion provisions for ...

The Blyvooruitzicht Gold Mine in Carletonville, Gauteng, for example, has no closure certificate and has been abandoned since 2013, when a sale between DRDGOLD and Village Main Reef fell through. The liquidator and activists failed to gain access to Blyvooruitzicht's financial provision, which is still managed by DRDGOLD personnel.

Research news - University of the Witwatersrand

Witsies win lifetime achievement, research, and capacity development awards at Science Oscars. 22/07/2022. Professors Shabir Madhi, Sehliselo Ndlovu and Tamiru Abiye were winners at the 2021/2022 National Science and Technology Forum (NSTF)-South 32 Research Awards. 1.

Professor Herman Potgieter | Manchester Metropolitan University

Proceedings of the International Conference on Achieving Sustainability in Construction, pp. 177-184. Potgieter, J.H., Potgieter, S.S., McCrindle, R.I. (2004) 'A comparison of the performance of various synthetic gypsums in plant trials during the manufacturing of OPC clinker.' Cement and Concrete Research, 34(12) pp. 2245-2250.

The nationalisation canard - Daily Maverick

One of the more appealing arguments for nationalising mines is that doing so will help to reduce unwanted environmental damage, such as pollution and acid mine drainage. Sadly, history suggests ...

mine tailings management in south africa - Genesis Capital

Nov 22, 2018· DRDGold has embarked on the first phase of what will be one of the largest tailings recovery operations in South Africa. According to CEO, Niel Pretorius, the tailings retreatment facility will bring additional cash flow into the business while delivering massive environmental and sustainability benefits to the larger West Rand.

Acid mine drainage issue reaching critical stage - WRC - Engineering News

We expect to sign a heads of agreement with South African Gold Miner DRDGold regarding its Ergo operations this month," Keet says. Through this agreement, the DWA will use DRDGold's shaft and...

Gold Stocks and Mining stocks directory of publicly traded stocks for ...

1111 Exploration Corp. is a junior exploration company, focused on creating shareholder value through acquisition, exploration and development of mineral projects.1911 Gold Corp.() is a junior explorer that holds a highly prospective, consolidated land package totalling more than 58,000 hectares within and adjacent to the Archean Rice Lake greenstone belt in Manitoba, and also owns the True ...

ATC141030: Budgetary Review and Recommendation Report of the ... - PMG

Police officials are not sure how to take statements when these illegal miners get arrested. On the issue of acid mine drainage, the Council for Geoscience and Mintek have done a lot of work in dealing with AMD and Derelict and Ownerless mines. More funding is needed especially in CGS for ageing infrastructure.

Mining landscapes of the Gauteng City-Region Research Report -

Acid mine drainage is particularly problematic along the former Witwatersrand goldfields due to the inter-connectivity of the mining voids, the scale of the gold-mining operations that took place ...

Acid Mine Drainage Managed Fact Sheet - Drdgold

SOLUTION TO ACID MINE DRAINAGE At the time the directives were issued, the Department of Water Affairs and Forestry believed that DRDGOLD was responsible for approximately 44% of the treatment costs of acid mine drainage (AMD) in this area. DRDGOLD challenged the directives and, in 2009, they were withdrawn unconditionally.

NORCAL

modern sustainable deposition practices, onto a well-managed Regional Tailings Storage Facility (RTSF) with the return water ... DRDgold has extensive surface tailings retreatment operations ... tailings dams of the Witwatersrand Basin with reference to their acid mine drainage potential, Johannesburg, South Africa. Water SA 32: 499-506.

Oxidative leaching of refractory sulphidic gold tailings with an ionic ...

The effect of temperature in the range of 20-65 °C on gold extraction from refractory gold tailings containing pyrite in 20% (v/v) of 1-butyl-3-methylimidazolium hydrogen sulphate [Bmim + HSO 4 −]-water solution with thiourea as complexing agent and iron(III) sulphate oxidant, at pH of 1 was examined for 12 h leaching time intervals. The experimental results revealed that the extraction ...

Mining for Schools Economic Geography: Gold Mining in South Africa

In which is part of a global seismic monitoring Johannesburg, is currently the deepest mine in development ends, wholly-mechanised drills can network. In the past 20 years, the South the world. It extends over four kilometres below do the hard work. African gold mining industry has spent more the surface.

Manchester Metropolitan University

(2021) Studying Effects of Calcium Oxide Nanoparticles on Dentinogenesis in Male Wistar Rats. International Journal of Dentistry, 2021. pp. 1-9. ISSN 1687-8728 . Al-Mussawi, Raja

2012 - Drdgold

DRDGOLD Limited (DRDGOLD; JSE, NYSE: DRD) announced today that it has entered into a sale of shares and claims agreement with Village Main Reef Limited (Village) in respect of DRDGOLD's 74% interest in Blyvooruitzicht Gold Mining Company Limited (Blyvoor). Blyvoor gives notice of Section 189 (3) process to consider employee reductions

Under control - MIning Decisions

DRDGold uses treated acid mine drainage water to recover gold from tailings Another method to reduce water in mining involves thickeners to produce drier tailings. Shepherd, who had recently returned from a site visit in Iran, said that South Africa could learn from the Middle East and neighbouring Namibia.

Annual and Transition Report (foreign Private Issuer) (20-f)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 F...

What Is Acid Mine Drainage? Definition, Causes, and Examples

What Is Acid Mine Drainage? Definition, Causes, and Examples . By. Katherine Gallagher

Bibliographies: 'Gold mines and mining - Research - Grafiati

Ramontja, Thibedi, Detlef Eberle, Henk Coetzee, Rüdiger Schwarz, and Axel Juch. "Critical Challenges of Acid Mine Drainage in South Africa's Witwatersrand Gold Mines and Mpumalanga Coal Fields and Possible Research Areas for Collaboration Between South African and German Researchers and Expert Teams." In The New Uranium Mining Boom, 389-99 ...

DRDGold ups production, pays dividend - Miningreview

Apr 18, 2016 DRDGold achieved this in spite of a 7% decrease in throughput to 5 896 000 t, due to inclement weather, as well as several grid-related interruptions in electricity supply. In a production update for the quarter, the company states that total operating costs were stable.

DRDGold finds long term solution for Ergo - Miningmx

Operating costs increased 7% to just over R80 a tonne. Cash and cash equivalents were R416m at the end of the quarter after a R51m dividend payout. DRDGold also announced regulatory approval which will significantly increase Ergo's life of mine and facilitate a sustainable deposition site for waste produced by the treatment of acid mine drainage.

Mining Landscapes - Columbia University

Eerily beautiful, the. mine dumps are nonetheless vectors of toxicity. Acid mine drainage pollutes water indefinitely; Uranium seeps into the ground; while silicosis, the result of inhaling silica dust underground killed innumerable miners, dust particles from dumps saturate the air; those who live in settlements constructed on and around mine dumps bemoan a disturbing constellation of ...

Acid Mine Drainage, South Africa | EJAtlas - Environmental Justice Atlas

McCarthy T S (2010) The decanting of acid mine water in the Gauteng city-regio2n. Johannesburg: Gauteng City-Region Observatory. Naicker K, E Cukrowska and T S McCarthy (2003) Acid mine drainage arising from mining activity in Johannesburg, South Africa and environs. Environmental Pollution 122 (1): 29-40. National Nuclear Regulator (2010).