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CONTACT US
Process Research Assosciates Ltd.
200-11620 Horseshoe Way,
Richmond, B.C. V7A 4V5
CANADA
Tel 604.272.8110
Fax 604.272.0851
Email
NEWS+EVENTS
NEW OFFICE
We've moved to Richmond on 11620 Horseshoe Way.
Mineral Trade Show Event
Vancouver Trade & Convention Centre
March 15, 2008
PROJECTS
The research and development work performed include the common place and the exotic. The intelligent selection of appropriate processes and the evaluation of their commercial performance on representative samples are vital to the economic success of any venture. Typical projects completed at PRA are listed below.
MINERAL PROCESSING AND HYDROMETALLURGY
Client |
Project |
Testing |
World wide |
Selective flotation of copper, lead and zinc concentrates, with multiple cleaning. |
Bench |
World wide |
Heap leaching cyanidation for gold and silver |
Bench large columns |
Voisey Bay, Nfld. |
Selective flotation of nickel and copper concentrates |
Bench |
Canada |
Recovery and purification of wollastonite. |
Bench |
World wide |
Pressure leaching of sulphide ore followed by cyanidation for gold recovery |
Bench |
Mexico |
Thiosulphate leaching and selective precipitation for silver ore. |
Bench |
World wide |
Bioleaching of sulphides |
Bench |
Canada, USA |
Garnet and mica recovery and cleaning |
Bench Plot plant |
World wide |
Gravity recovery for gold, PGM and other heavy metals |
Bench |
Latin America |
Leaching and SXEW for complex copper zinc silver oxides |
Bench |
Canada |
Magnetic concentration of iron ore |
Bench |
Canada |
High purity special grade graphite concentrate by unique flotation technique. |
Bench |
Mexico, Europe |
Selective flotation of oxidized silver and zinc ore |
Bench |
Ontario, Canada(Lac des Iles and others) |
Recovery and cleaning of high grade PGM concentrate. |
Bench |
Canada |
Recovery and purification of talc and magnesite. |
Bench |
Canada |
Production and activation of zeolite |
Bench |
Worldwide |
Cleaning of kaolin |
Bench |
Russia |
Recovery and production of very high grade silver concentrate |
Large scale Bench |
China |
Recovery of rutile by flotation |
Bench |
World wide |
Electrowinning of gold |
Pilot plant |
Africa |
Copper cobalt manganese recovery by selective flotation |
Bench |
Canada (operating mines) |
Selective bioleaching and recovery of gold from arsenide-sulphide concentrate |
Bench |
ENVIRONMENTAL WORK
Port of Vancouver (port loading spills) |
Sedimentation, neutralization, pile leachate, metals-potash-sulphur removal. |
Bench and field pilot plant |
British Airways, UK |
Demulsification, oil/water separation, adsorption, precipitation |
In operating plant |
German Federal Authority (Closure of Uranium mine) |
Tailings dewatering, water treatment, rehabilitation. |
Bench Site |
Fort McMurray, Alberta (Tar sands) |
Fine Tailings consolidation with gypsum, bacterial H2S and CO2 generation for Tar Sand |
Bench |
BHP |
Cd-Zn dust purification, upflow SX-EW columns |
Demonstration plant |
Contrecoeur, Quebec (EAF dust) |
Electric Arc Furnace dust treatment. Leaching, selective precipitation and SX, drying. |
Bench, pilot plant, demonstration plant |
Wolverine Tubes (Alloy metals) |
Ion exchange recovery and purification |
In operating plant |
Husky Oil Ltd |
Biological treatment of oil and gas process wastewater |
Bench |
World wide |
Acid Rock Drainage static and dynamic characterization. |
Bench |
World wide |
High Density Sludge treatment of effluents from mines and plants. |
Bench and pilot plant |
Mexico |
Mercury removal from contaminated soils |
Bench |
USA |
Removal of arsenic and metals from heap leaching effluents |
Bench |
Canada |
Contaminated soil treatment by flotation and recovery of native sulphur |
Bench |
