mining leachate Articles

  • VSEP provides crystal clear permeate and recovers precious metals from the mining leachate at 97% recovery

    A unique membrane filtration system, known as V✧SEP (Vibratory Shear Enhanced Process), was developed by New Logic of Emeryville, California. The technology employs vibrational oscillation of an advanced polymeric membrane to improve the throughput and to prevent colloidal fouling of the membrane surface. This new technology provides a innovative and cost effective method of recovering ...


    By New Logic Research, Inc.

  • Common Treatment Technologies for Explosives in Ground Water, Surface Water, and Leachate

    Explosives-contaminated process waste waters can be subdivided into two categories: red water, which comes strictly from the manufacture of TNT, and pink water, which includes any washwater associated with load, assemble, and pack (LAP) operations or with the demilitarization of munitions involving contact with finished explosive. Despite their names, red and pink water cannot be identified by ...

  • Treatment of wet peat mining process water with acrotelm peat

    Mechanical dewatering of wet mined peat produced peat mining process water (PMPW) with low pH (5.49) and high total suspended solids (TSS 432 mg L−1), Al (1.39 mg L−1), Fe (4.36 mg L−1), Hg (37.1 ng L−1), MeHg (0.485 ng L−1), Zn (55 μg L−1), total nitrogen (TN 7.92 mg L−1), ...


    By IWA Publishing

  • Management of Mining, Quarrying and Ore-Processing Waste in the European Union

    At the request of the Environment Directorate-General of the European Commission, BRGM (Bureau de Recherches Géologiques et Minières) has conducted a study on the management of mining, quarrying and ore-processing waste in the European Union. This project was completed mainly through the use of questionnaire sent to sub- contractors in almost each country of the EU. To assess this information ...

  • Sequential extractions on mine tailings samples after and before bioassays: implications on the speciation of metals during microbial re-colonization

    Abstract  Mine tailings may be remediated using metal tolerant microorganisms as they may solve the limiting conditions for healthy development of plants (i.e., low organic mater content and poor physical conditions). The aim of this study was to investigate the consequences of microbial colonization on the chemical speciation of trace metals. Surface samples from the Valenciana mine ...


  • Geotube Dewatering Technology Used To Alleviate Acid Runoff Problem from Mine Tailings - Case Study

    Construction on 1-99 in Pennsylvania unearths pyretic rock; Geotube units used to contain minerals that could contaminate groundwater. Many states are faced with the problem of dealing with tailings and residues from mining, road building, and other sources that pose a threat to groundwater. Residues can come from both old inventories of stockpiled material, as well as those materials ...

  • Mineralogical constraints on the mobility of arsenic in tailings from Zimapan, Hidalgo, Mexico

    Arsenic mobility was studied in tailings from Zimapan, a mining zone of Mexico. Primary mineral phases are quartz, calcite, pyrite, pyrrhotite, sphalerite and arsenopyrite. Secondary minerals in oxidised tailings include gypsum, K-jarosite, lepidocrocite, goethite, beudantite and kaolinite. The highest levels of As (up to 3.95 ± 2.29 weight %), Zn (up to 3.26 ± 2.21 weight %) and Pb (up to 0.93 ± ...


    By Inderscience Publishers

  • Sustainable management of household solid waste

    In most countries, the majority of household solid waste is landfilled because of associated low capital, operation and maintenance costs. However, many existing landfills have exhausted their handling capacities and new facilities are faced with the problem of siting. Alternatives to traditional landfill practice are required to achieve sustainability in managing solid waste. This manuscript ...


    By Inderscience Publishers

  • ENVIRONMENT- Technological Innovation

    Untitled Document LuminoTox, a new easy to use tool for toxicity assessment, has been tested on various types of wastewaters to ...


    By LBi (Lab_Bell Inc.)

  • Optimization of metallurgical processes

    Untitled Document Existing metallurgical operations can be optimized by implementing engineered bioreactor systems in the process ...


    By Paques B.V.

  • Remediation of petrol-contaminated sediments in a tropical environment

    Conventional and experimental methods were studied for the remediation of petroleum contaminated sediments from a dam previously used to collect acid run-off from a sulfur mine. The man-made lake had been neutralized, but bentonite rich sediments remained contaminated with very weathered hydrocarbons (sediments with ~50,000–60,000 mg/kg Total Petroleum Hydrocarbons were used in this study). ...

  • Reed Beds

    Naturally occurring wetlands have a natural, innate ability to remediate contaminants from water. Over the decades BritishFlora have supplied many millions of reeds, Phragmites communis, for both habitat creation projects such as bird reserves to attract bittern, bearded tit and water rails, to name but a few. Common Reed is commonly planted to help with the cleaning of contaminated ...


    By BritishFlora

  • Business development

    One of the primary advantages of the SVOffice geotechnical software suite is that it allows consulting firms to develop new areas of business and revenue streams. This aspect of the software has been demonstrated by Golder Associates Africa. The Midrand office approached SoilVision Systems Ltd. about one and a half years ago with the desire to increase their numerical modeling capabilities. In ...


    By SoilVision Systems Ltd.

  • City of Vancouver Landfill Environmental Monitoring Program

    The City of Vancouver owns and operates the Vancouver Landfill located in Delta, British Columbia. The Vancouver Landfill is a municipal solid waste landfill receiving approximately 400,000 tonnes per year of municipal solid waste. The total area of the Landfill is 635 hectares of which approximately 225 hectares has been filled since landfill operations commenced in 1966. As part of the ...


  • Case study - QED pumps are the pumps of choice at North America’s largest landfill

    The Puente Hills Landfill in Los Angeles County, California, is the largest operating landfill in North America based on daily tonnage received.  Located in an unincorporated area of Los Angeles County near Whittier, California, it is owned and operated by the Sanitation Districts of Los Angeles County.  It has received approximately 118 million tons of solid waste as of April 2008, ...


    By Geotech

  • Cleaning & maintenance magazine

    An analysis of the lighting industry shows a trend away from incandescent bulbs to fluorescent bulbs. Incandescent bulbs use more energy and are more costly and less effective than fluorescent bulbs in the amount of artificial light they produce, as fluorescents produce more lumens than incandescents. Using fluorescent bulbs, however, is not entirely without risk because they contain mercury, a ...


  • Management of Hazardous Wastes

    ' Management of hazardous waste is a growing concern in many countries. The long-term impacts and costs of improper disposal can be very high and the emphasis must be on prevention. A comprehensive management system should include (i) policies, institutions and effective regulations and (ii) adequate and acceptable disposal facilities (either public or private). This note outlines the key ...


    By The World Bank

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