Expert Details

Expert in Corrosion, Materials Selection, Fabrication

Expert ID: 733717 Canada

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Expert has worked in the area of sulfuric acid plant corrosion and materials selection for the past 18 years and has been involved in the materials selection of some of the worlds largest sulfuric acid plants. Expert has performed failure analysis on multiple sulfuric acid plant components. He is chair of the NACE Sulfuric Acid Materials And Experiences Committee TEG 115X.

Expert has also done extensive materials selection and failure analyses in sulfuric acid re-concentration plants and plant which produce 99% nitric acid for the nitration industries.

Expert Has 30 years experience in failure analysis in the chemical process industries, including:

Sulfuric acid production
Pulp and Paper
Minerals Processing (mining)
Glass production

Expert has done extensive work in the pulp and paper industry including materials section, corrosion control and failure analysis in the bleach plants of pulp mills. Expert is an expert on welding bleach plant washer alloys, materials selection for bleach pant washers and electrochemical protection of bleach plant washers.

An experienced corrosion and materials engineer with 28 years of materials research, specification, troubleshooting and consulting experience in a wide range of chemical, natural resources and mineral processing industries.

Education

Year Degree Subject Institution
Year: 1987 Degree: Ph.D Subject: Corrosion Science and Engineering Institution: University of Manchester Institute of Science and Technology
Year: 1985 Degree: MSc Subject: Corrosion Science and Engineering Institution: University of Manchester Institute of Science and Technology
Year: 1984 Degree: BSc Subject: Materials Science Institution: University of Bath

Work History

Years Employer Title Department Responsibilities
Years: 2007 to Present Employer: Undisclosed Title: President Department: Responsibilities: Provide corrosion and materials engineering consulting services to industrial clients including chemical processing, mining and mineral processing – including Copper, Nickel, Uranium, Gold and Rare Earth operations - Pulp & Paper, Pharmaceutical, Fine Chemicals, and Bio-energy.
Services provided to clients include:
• Materials selection for specific chemical processes and conditions
• On-site corrosion and materials engineering support
• Failure analysis
• Materials and fabrication specification writing
• Fabricator qualification
• Corrosion testing
• Assistance with litigation issues
Current clients include major mining and pulp & paper companies, petrochemicals operations and chemical process technology companies.

Select Minerals processing clients include:
• MMB, Santa Rosalia, Mexico – Materials selection for acidic, saline processing of multi-metal (copper, cobalt, manganese) ore
• Goldcorp – Multiple locations – Materials and corrosion support
• Vale Inco, Goro – Sulfuric acid plant rebuild support and materials selection for expansion of processes at site
• FMI Numerous Operations
o Tenke – Materials selection for SO2 production and SO2 leach systems
o Miami Smelter - various projects
o Safford Operations – Sulfuric acid plant materials consulting
o Bagdad – Materials selection and specification for copper floatation and leach systems
o Morenci – Materials selection and failure analysis, including extensive work on titanium alloys.
• Fortune Minerals, Nico – Materials selection for autoclave leaching system

• Marcobre, Peru – Materials Selection for seawater processing of copper ore
• Barrick, Goldstrike – Materials Selection for thiosulfate leaching of gold ore
• Massan Resources, Vietnam – Materials selection and specification subsequent to replace equipment after plant failure in mixed acids leach of bismuth
• Hecla Mining, Juneau – Materials selection for copper/silver leach and floatation plant Select Pulp and Paper clients include:
• Irving Pulp and Paper (JD Irving)
o IPP. Materials and corrosion engineering for numerous capital project including digester replacement project plus multiple failure analyses (1980s to present).
o Lake Utopia SO2 system zirconium vessel cracking.
o M&D Digester corrosion resistant weld overlay.
• Kapstone, Vancouver WA, Power boiler flue gas handling system corrosion.
• Northern Pulp – MoDo Scrubber failure analysis.
• Boise Jackson AL - Blow heat condensate Heat exchanger failure analysis.
Years: 2001 to 2007 Employer: Chemetics Title: Group Leader Department: Materials Engineering Responsibilities: In-house materials engineering consultant for all of Chemetics chemical process technologies: sulfuric acid production, waste sulfuric acid re-concentration, chlorate production, integrated chlorine dioxide, chlor-alkali, SRS and chlorate electrolyzer technology as well as pulp and paper technologies. Responsibilities included:
• Materials selection.
• Writing of all materials-related specifications including: coatings, FRP, thermoplastics, alloy steels, stainless steels and nickel base alloys and reactive alloys (titanium, zirconium, tantalum), welding, fabrication, specification for a proprietary blister-free cathode steel.
• Materials selection for specific chemical processes based on a fundamental understanding of the materials properties.
• Failure analysis.
• Running a laboratory corrosion test program to advance the understanding of materials specific to Chemetics processes, thereby reducing costs and improving safety and reliability.
• Assisted with materials problems during plant startup and commissioning at many chemical plants around the world.
• Advising customers during plant shutdowns at many locations around the world.
• Materials consultant for other Aker Kvaerner/Aker Solutions offices around the world on many issues, ranging from Liquefied Natural Gas (LNG) systems to corrosion at mineral processing sites.
At Chemetics I worked on a wide range of projects for many customers, both from the home office and at the customer’s site as well at sub-vendors facilities. These include: Asia Pulp and Paper (Jilin, China), Formosa Plastics (Taiwan), BHP (Ravensthorpe, Australia), Inco (Sudbury), Southern Peru Copper (Ilo,
Peru), Kazakhmys Corp. (Balkhash, Kazakhstan), Lucite (Memphis, TN), PPG (Lake Charles, LA), Canexus
(N. Vancouver and Brandon MB), GE Plastics (Mount Vernon IN), Air Products (TX), Carter Holt Harvey (NZ), Codelco (Chile), Exxon Mobil (Singapore), Powerspan, Thai Copper (Rayong Thailand), GE-Toshiba Silicones(Rayong Thailand), BASF (Freeport TX), Braskem (Brazil).
Years: 1991 to 2001 Employer: Paprican Title: Research Engineer Department: Corrosion and Materials Responsibilities: • Conducted corrosion research experimental program with the aim of reducing costs and increasing safety and reliability as well as working with process engineering groups to optimize materials of construction for equipment in new processes. Extensive consultation with and visits to member company plant sites.
• Acted as consulting materials engineer on many member company capital projects.
• Acquired expertise in a wide range of engineering materials from thermoplastics and FRP to stainless steels and reactive alloys.
• Published numerous technical articles and peer-reviewed papers.
• Presented papers at conferences and to meetings of member company management
Years: 1988 to 1991 Employer: RPC Title: Associate Department: Metallurgy and Corrosion Responsibilities: Failure analysis and materials selection for industry in the Maritime Provinces of New Brunswick including, pulp & paper, hydroelectric, oil refining and food processing.
Years: 1987 to 1988 Employer: NRC Title: Research associate Department: Corrosion Science Responsibilities: Electrochemical studies on Iron Chromium alloys.

Government Experience

Years Agency Role Description
Years: 1987 to 1988 Agency: National Reserach Council of CANADA Role: Reserach Associate Description: Electorchemical studies on Iron Chromium alloys.

Career Accomplishments

Associations / Societies
Professional Engineers & Geoscientist of B.C.
Ÿ National Association of Corrosion Engineers
Ÿ Chair of NACE sub-committee TEG 115X “Sulfuric Acid – Materials and Experiences”
Ÿ Chair of NACE sub-committee TEG 509X “Materials Selection and Corrosion Control in the
Mineral Processing Industries”
Publications and Patents Summary
Publications: 6

Fields of Expertise

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