Project 8.4.5 – Using GPR to Improve Rehab Soil Characterisation
Dr DG Patterson April 2020
R1500,00
Description
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More Effective Use of Disposable Dust masks
Underground field trials, laboratory seal tests and operator questionnaires at two collieries, covering mask selection, fit, issue records and service time. For ventilation and occupational hygiene staff.
What this report foundDust masks worn by load haul dump operators passed 200 mg of filter loading in an average of 1.7 hours, and continuous miner, shuttle car and roofbolt...
R1500,00
Dust masks worn by load haul dump operators passed 200 mg of filter loading in an average of 1.7 hours, and continuous miner, shuttle car and roofbolt operators reached the same point within two to five hours. Every mask failed laboratory fit testing. An eight hour service life is too long.
Air Emissions, Air Quality and Energy Efficiency Monitoring for Prioritisation of Pollution Preventions and Public Health in the Region of Mpumalanga Highveld Conurbation
2004
Viability assessment and outline plan for regional air quality monitoring on the Highveld, including institutional arrangements and information gaps, for industry, regulators and community bodies.
What this report foundA regional monitoring programme was found to be viable and is proposed as a public private partnership covering air emissions, air quality and energy...
R1500,00
A regional monitoring programme was found to be viable and is proposed as a public private partnership covering air emissions, air quality and energy efficiency on the Mpumalanga Highveld. The assessment concluded that the worst health impacts fall on residential areas, driven by inefficient coal burning for heating and by housing sited close to large industry.
Sustainability Beyond Mining: Transformations in Systems for Secondary Beneficiation
2012
Doctoral work on sustainability thinking in the mining sector, drawing on air quality and waste residue projects inside a multinational miner, for readers concerned with beneficiation of mine waste.
What this report foundSustainability in mining is still framed in neoclassical economic terms, measured by profit, shareholder value and growth, with social and environmental...
R1500,00
Sustainability in mining is still framed in neoclassical economic terms, measured by profit, shareholder value and growth, with social and environmental dimensions added in response to regulation. Six air quality and waste minimisation projects run over seven years were assessed against seven dimensions of the biosphere and fell well short. A collaborative model is proposed for a sector built on mining waste residues.
Improved Utilization of Underground Coal Reserves
2016
Working reference on high extraction methods, from stooping and rib pillar extraction to auger, punch, longwall and backfilling, drawn from South African colliery experience for mine planners.
What this report foundAbout 3.19 billion tons of coal now sits underground in pillars, growing by roughly 110 million tons a year under current bord and pillar practice.
R1500,00
About 3.19 billion tons of coal now sits underground in pillars, growing by roughly 110 million tons a year under current bord and pillar practice. Pillars with a safety factor of about 1.8 or higher can be extracted successfully, and 1.5 is permissible in thin seams where the pillar width to height ratio exceeds 10.