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Expert in Hydrometallurgy, Pyrometallurgy, and Extraction and Recycling of Metal-Containing Raw Materials
Available for your Consulting and Expert Witness Needs
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| Summary of Expertise: |
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Primary Expertise Areas:
(links show more experts in each area)
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Expertise Description: |
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catalyst recycling expert
molybdenum disulfide expert
molybdenum recovery expert
molybdenum salt recovery expert
rhenium recovery expert
rhenium salt recovery expert |
Expert has in-depth experience on molybdenum recovery and rhenium recovery (includes six patents and papers): pressure leaching of molybdenite (molybdenum disulfide) concentrates, ammonium dimolybdate (ADM) production, preparing MoS2 lubricant, deoiling molybdenite, and upgrading molybdenite by leaching. Other plant experience includes MoS2 roasting; sublimation of molybdic oxide; ammonium perrhenate production; solvent extraction, purification, and crystallization; spent catalyst recycling; and production of specialty molybdenum chemicals (molybdenum salt recovery; rhenium salt recovery). |
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tungsten recovery expert
tungsten salt recovery expert |
Expert led the Amax research group that developed technology for producing ammonium paratungstate (APT), commercialized at Ft. Madison, Iowa. He developed a process to recover ammonium metavanadate (AMV) and nickel from petroleum coke, recovered MoVNiCo from spent catalyst, and assisted an aircraft manufacturer in procuring vanadium tetrachloride, including evaluation of producer capabilities. Expert holds
12 papers and patents related to either tungsten or vanadium recovery or purification. |
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slag expert
slag abrasive expert
slag metal recovery expert
slagging expert
vitrification expert
by-product marketing expert |
Expert has worked at numerous slagging hazardous waste incineration operations, generally on problems involving either eliminating or enhancing slag formation, vitrification of sludge or metal-rich residues, and processing flue dust. He is expert in controlling slag deposition in incinerator, afterburner, and quench systems. He has served three times as an expert witness on matters related to slag formation, production, uses, and environmental stability. He is also experienced with aggregate production from hazardous wastes; production of blasting grit, abrasive, and shingle granules; and vitrification of sewage sludge and marketing products therefrom. |
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animal micronutrient expert
fertilizer expert
heavy metal expert
micronutrient expert |
Expert is expert in manufacturing, raw material procurement, and marketing Mn, Zn, Fe, and Cu fertilizer and animal micronutrients. He works in plants producing these micronutrients, and also performs in-depth marketing studies. |
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etchant recycling expert
plating waste expert
printed circuit board recycling expert |
Expert is expert on recycling spent circuit-board etchant, including production of CuO, CuSO4-5H2O, copper cathode, and regenerated etchant from these materials. He is on a first-name basis with North American recyclers of spent plating wastes, etchants, and printed circuit boards. |
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brass recycling expert
brass waste expert
bronze recycling expert
copper process metallurgy expert
copper recovery expert
copper salt recovery expert
copper waste expert |
Expert's copper experience includes smelting and leaching of copper ores, concentrates, and scrap; rotary furnace production of brass and bronze; deleading of water valve surfaces; Cu recovery from spent catalyst and etchant; production of CuOx, CuSO4, and CuClx; finding "homes" for copper wastes in smelter and conversion operations; solvent extraction (electrowinning) to metal or salts; and production of copper micronutrients. |
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battery recycling expert
cobalt recovery expert
cobalt salt recovery expert
nickel metallurgy expert
nickel recovery expert
nickel salt recovery expert
nickel-cadmium battery recycling expert |
Expert's Ni-Co experience includes battery recycling, specifically nickel-cadmium battery recycling, Ni-metal hydride, and Li-ion recycling. Smelting and leaching of NiCoCuFe concentrates and matte; nickel and cobalt salt recovery from tankhouse bleed and from secondary feedstocks; separating Ni from Co by ozonation; and finding "homes" for NiCo wastes (including prior upgrading) in smelter and hydrometallurgical conversion operations. Expert led the team that innovated Amax's acid pressure leach process for treating nickel laterite. At Port Nickel (New Orleans), he was Process Engineer during start-up of the pressure leaching, residue flotation, and the hydrogen reduction circuits. |
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cadmium recovery expert
zinc recovery expert
zinc salt recovery expert |
Expert is experienced in the various commercial routes for recovering secondary and primary zinc. He has been part of teams evaluating operations for acquisition. Other projects include processing NiCd batteries; leaching flue dust; slag fuming; rotary kiln and plasma-arc treatment of EAF dust; production of zinc sulfate, zinc oxide, zinc chloride, and zinc ammonium chloride; zinc recovery from auto scrap; and conversion of galvanizer's dross to roofing granules, secondary Zn ingot, and ZnO fines. |
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lead extraction expert
lead leaching expert
lead processing expert
lead recovery expert
lead-acid battery recycling expert |
Expert has extensive in-plant experience in smelting of secondary lead and tin feedstocks, including spent lead-acid batteries, tetraethyl lead, tin secondaries, and dust handling. Expert's expertise is particularly strong in the use of rotary furnaces and kilns. One of his papers led to substantial improvement in soda-matte secondary lead smelting efficiency. He works closely with domestic producers. |
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antimony recovery expert
antimony trioxide expert
tin (element) expert
tin metallurgy expert
tin recovery expert |
Expert provided technology and start-up expertise for a major facility in Bolivia for converting stibnite concentrate to Sb2O3, and helped the U.S. trade delegation establish Chinese antimony oxide production technology and costs to support fair-trade negotiations. Converted antimony feedstocks to metal, smelted tin residues to secondary ingot, treated flue dust treatment by wet and pyro methods, and recycled tin sludges. |
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hydrometallurgy expert
metal material recycling expert
metal recovery expert
nonferrous metal processing expert
nonferrous metal recovery expert
nonferrous metallurgy expert
nonhazardous solid waste recycling expert
pyrometallurgy expert
scrap metal recycling expert
by-product expert |
Expert focuses his technical and project management experience on the recovery, separation, and refining of raw materials containing metals, by means of hydrometallurgy and pyrometallurgy. Expert has 38 years of experience, is a Registered Professional Engineer, has authored 33 technical papers, and holds 30 U.S. patents. |
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ferromolybdenum expert |
Expert's work in this area includes incorporating additional feedstocks to the conventional thermite process for production of ferromolybdenum. |
| Show Secondary and Basic Areas of Expertise |
Localities:
Expert may consult nationally and internationally, and is also local to the following cities: Denver, Colorado; Colorado Springs, Colorado; Aurora, Colorado; Fort Collins, Colorado; Arvada, Colorado; Westminster, Colorado; Boulder, Colorado; Greeley, Colorado; Longmont, Colorado; and Cheyenne, Wyoming.
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Degree |
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Subject |
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Institution |
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Honors |
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1967
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Ph.D.
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Metallurgical Engineering
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University of Minnesota
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NSF Scholar
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1964
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B.S.
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Metallurgical Engineering
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Cornell University
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Tau Beta Pi
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| Years |
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Employer |
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Department |
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Title |
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Responsibilities |
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1997 to
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(Undisclosed)
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Consulting Metallurgical Engineer
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Expert consults on the recovery and recycling of primary and secondary raw materials, resource location, and byproduct marketing, all supported by on-site laboratory and pilot plant process metallurgical services.
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1983 to 1997
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Hazen Research, Inc.
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Principal Metallurgical Engineer
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He was involved in extractive metallurgy of primary and secondary materials.
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1972 to 1982
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Amax, Inc.
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Corporate R&D
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Senior Staff Metallurgist
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Expert was responsible for the extractive metallurgy of tungsten, molybdenum, nickel, cobalt, and copper.
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1967 to 1972
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Kennecott Copper
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Corporate R&D
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Research Engineer
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He was involved in the extractive metallurgy of copper, molybdenum, and rhenium.
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Associations/Societies
Expert is a member of Tau Beta Pi, the American Institute of Mining, Metallurgical and Petroleum Engineers (AIME), and the Canadian Institute of Mining and Metallurgy (CIM).
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Licenses/Certifications
He is a Professional Engineer in Colorado.
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Professional Appointments
Expert has been an Adjunct Professor at the Colorado School of Mines since 1990. He was past President of Denver's AIME-ASM chapter.
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Awards/Recognition
He was a distinguished lecturer for the Metallurgical Society of AIME, 2001.
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| Publications: |
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Publications and Patents Summary
Expert has authored 32 technical papers, and holds 30 U.S. patents.
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Selected Publications and Publishers
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- U.S. Patent and Trademark Office
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- Fifth Interenational Hydrometallurgy Symposium, AIME/TMS
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- Extraction and Processing Distinguished Lecture, AIME/TMS Annual Meeting
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- Lead and Zinc Processing, The Metallurgical Society of AIME
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- Journal of Metals
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| Selected Consulting Examples: |
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Expert consulted on the manufacturing of molybdenum, tungsten, and rhenium chemicals: troubleshooting, unit operation startups and new product development.
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He advised on the recovery of copper, nickel, cobalt, lead, and precious metals from industrial wastes: troubleshooting, unit operation startups, and new product development. Typical feedstocks involved include spent catalyst, batteries, etchants, plating wastes, circuit boards, tin-rich secondaries, byproduct salts, slags, drosses, and refractory metals (molybdenum, tungsten, rhenium, tantalum, and niobium).
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Expert consulted on technical and marketing criteria to profitably recover micronutrients from secondary materials, focusing on zinc, copper, manganese, and iron.
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He advised on the recovery of metal values from spent nickel-cadmium (NiCd) batteries, from spent nickel metal hydride (NiMH) batteries, and from spent lithium-ion (Li-Ion) batteries. Expert is also expert in rotary furnace processing of lead, tin, and copper secondaries.
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Expert consulted on the production of crude and refined pigment-grade antimony oxide, including the recovery of copper chemicals from spent etchants, plating wastes, and circuit boards.
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Recent Client Requests:
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Hydrometallurgical treatment expert for consulting on pyrometallurgical treatment of battery waste and EAF dust.
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Molybdenum recovery expert for consulting on molybdenum recovery from hydrotreating catalyst process design.
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Metallurgy expert for consulting on vanadium and nickel recovery.
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Expert in chemistry for consulting on extracting metals from the Mo leaching process.
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Expert in nickel recovery for consulting on nickel recovery during food processing.
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Expert in heavy metal extraction for consulting on metal sludge recovery systems.
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Expert in installed catalytic oxidizers for consulting on catalyst recycling.
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Expert in fuel oil residue for consulting on vanadium recovery from heavy fuel oil ashes.
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As a member of the Intota consultant network,
Expert is a specialist who provides technical consulting to corporate, legal and government clients. Expert provides professional consulting as a Hydrometallurgy Consultant, Pyrometallurgy Consultant, Consultant and Extraction Consultant and Recycling of Metal-Containing Raw Materials Consultant. Expert may consult as an independent consultant or as a member of a consultancy, consulting company,
or consulting firm. Consultants service will be covered by a consulting contract.
Ask an expert initial screening questions and ask the experts services particulars, by simply submitting
an expert request.
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Expert Witness Experience Summary:
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Expert has served as an expert witness in cases related to heavy metals in slag, heavy metals in micronutrient fertilizers, recycling of slags from copper production, and production of nickel/cobalt from laterite ores.
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Recent Litigation Client Requests:
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Nickel metal hydride expert needed for a patent review regarding a nickel metal hydride battery.
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Intota experts can serve as expert witnesses or litigation consultants offering expert testimony, expert advice, litigation support,
forensic services, and related expert witness services. Expert can serve as an expert witness or litigation consultant in intellectual property (patent, trademark, trade secret, copyright),
product liability, and insurance matters. Expert may provide forensic expert witness testimony, litigation consulting services, forensic investigation,
and forensic testing if appropriate in litigation areas as a Hydrometallurgy Expert Witness, Pyrometallurgy Expert Witness, Expert Witness and Extraction Expert Witness and Recycling of Metal-Containing Raw Materials Expert Witness.
Intota provides attorneys and legal professionals the opportunity to ask an expert initial screening questions and
ask the experts services particulars by submitting an expert request.
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He has performed market studies related to sources and outlets for metal-rich byproducts and wastes, including physical and chemical properties, tonnages, pricing, and competitive factors.
Expert serves as a resource to
Intota Market Research Services
for customized marketing research in industries or areas related to
Hydrometallurgy, Pyrometallurgy, and Extraction and Recycling of Metal-Containing Raw Materials.
Experts are an invaluable source of overall industry insight as well as insight into specific companies and firms for
custom business to business (b2b) and industrial market research. Intota uses analyst and
consultant resources from Guideline whose Research Directors manage the research and analysis of the qualitative
and quantitative data as well as report writing for the custom studies. The methods and tools
used by Intota market research combine the insights of technical experts and industry insiders with secondary
research to provide the custom b2b and industrial market research you need.
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| Additional Skills and Services: |
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Training/Seminars
He teaches two graduate-level courses on industrial recycling practices at the Colorado School of Mines, and organizes a three-day short course each June entitled “Recycling Metals from Industrial Waste” (2004 will be his 12th year).
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Supplier and Vendor Location and Selection Expert has experience locating vendors of equipment and services related to chemicals containing metals. He has access to technical papers and extensive personal contacts to aid in vendor location.
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Other Skills and Services
Expert has wide industrial contacts in the recovery and marketing of values from metal-containing raw materials, byproducts, and wastes.
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Expertise
