Marcel F. DeGuire - Southbury CT John H. Wirag - Bethel CT
Assignee:
Newmont Exploration Limited - Danbury CT
International Classification:
C01G 906
US Classification:
423106
Abstract:
A process for the treatment of zinc calcine containing zinc oxides, zinc sulfates and zinc ferrites, which comprises neutral leaching, hot acid leaching, jarosite precipitation and recycling of the jarosite containing pulp whereby there is obtained increased zinc extractions, improved settling and filtering characteristics of the leach pulp, simplified operation and process control and increased ammonium removal.
Name / Title
Company / Classification
Phones & Addresses
Marcel F. Deguire President, Director, President
ELECTRUM USA LTD. INC Commercial Nonphysical Research · Noncommercial Research Organization
1660 Lincoln STE 2750, Denver, CO 80264 1700 Lincoln STE 2600, Denver, CO 80203 1660 Lincoln St SUITE 2750, Denver, CO 80264 1700 Lincoln St, Denver, CO 80203 303 226-9600
Marcel F Deguire Manager
Cougar Gold LLC Mineral Exploration
1700 Lincoln St STE 2600, Denver, CO 80203 1700 Lincoln STE 2600, Denver, CO 80203 1660 Lincoln STE 2750, Denver, CO 80264 1660 Lincoln St, Denver, CO 80264
Eagle's Nest Mining Consultants - Evergreen Colorado since Apr 2013
President
Guyana Goldfields Inc. - Denver Colorado Oct 2012 - Jun 2013
President and COO
Electrum USA Ltd - Denver Colorado Feb 2007 - Oct 2012
CEO
Apex Silver Mines 1996 - 2007
Sr VP strategic Planning and Marketing
Newmont Mining 1976 - 1996
VP R&D, VP Env Affairs, VP Proj Development, Country Manager FSU
Education:
University of Nevada-Reno 1972 - 1974
MS Metallurgical Engineering
Michigan Technologigal University 1967 - 1971
BS Metallurgical Eng, Mineral Beneficiation
Skills:
Coal Geology Metallurgy Gold Business Development Mineral Exploration Strategic Planning Engineering Minerals Operations Management Marketing Mining Base Metals Environmental Awareness Mineral Processing Project Planning Processing Environmental Management Sampling Feasibility Studies Project Management Due Diligence Drilling Iron Ore