Expert Details

Dry Bulk Powder Handling

ID: 724220 California, USA

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He has been primarily involved in the use of various carbon blacks in pigmentation of plastics, fillers for electrical conductivity and reinforcement. This experience is in the processes of compounding, masterbatching, feeding and storage.

Expert has been the primary designer of numerous (over 20) coal storage and feeding systems. These systems have utilized various levels of coal from Lignite to sub-bituminous to bituminous to anthracite.
The form has been from run-of-the-mine to primary crush to pulverized to fine dust. The facilities have been from laboratory to power plant bunkers.
He has the benefit of personally testing the bulk solids material flow properties at various conditions and applying this data using the Jenike-Johanson hoppers design methodology.

He helped to successfully resolve a major flow issue in a brick manufacturer. The solution included a bunker/hopper/feeder transition retrofit.He resolved a process variablilty issue at a roofing manufacturer by eliminating filler segregation in the storage and feeding system.He correctly identified the source of variation in a Petcoke feeding system. The solution involved finding optimum setting for a powder flow assist system.

Education

Year Degree Subject Institution
Year: 1963 Degree: BS Subject: Chemical Engineering Institution: U of Washington

Work History

Years Employer Title Department
Years: 2001 to Present Employer: Undisclosed Title: President Department:
Responsibilities:
Principal consulting engineer and president
Years Employer Title Department
Years: 1999 to 2001 Employer: JR Johanson, Inc. Title: Consulting Engineer Department:
Responsibilities:
Consulting engineer on the application of JR Johanson, Inc. problem solving principles and techniques to provide economical solutions to bulk solids flow problems.
Years Employer Title Department
Years: 1993 to 1999 Employer: FP International Title: Corporate Project Engineering Manager Department:
Responsibilities:
Develop and execute major capital projects worldwide including new plastic extrusion plants and plant redesign for VOC abatement.
Years Employer Title Department
Years: 1990 to 1993 Employer: Raychem Corporation (now Tyco) Title: Operation Manager Department: Polyswitch
Responsibilities:
Design, implementation and operational management of proprietary conductive plastic devices.
Years Employer Title Department
Years: 1978 to 1990 Employer: Raychem Corporation (now Tyco) Title: Plant Manager Department: Materials
Responsibilities:
Operation of corporation compounding and chemical plants. Development of Engineering prototype laboratory.
Years Employer Title Department
Years: 1970 to 1978 Employer: General Electric Title: Compounding Plant Manager Department: Valox
Responsibilities:
Development, startup and operational management of Valox thermoplastic compounding plant.
Years Employer Title Department
Years: 1966 to 1970 Employer: General Electric Title: Development Engineer Department: Space
Responsibilities:
Non-metallic materials and processes development for numerous spacecraft programs.
Years Employer Title Department
Years: 1963 to 1966 Employer: Boeing Title: Chemical Engineer Department: Michoud Operations
Responsibilities:
Material and process laboratory test engineer for Saturn V booster development.

Additional Experience

Expert Witness Experience
Expert witness for owner on disfunctional corn rolling mill. His study, report and testimony won a verdict for the owner.

Career Accomplishments

Associations / Societies
AIChE, ASME
Publications and Patents Summary
He has 6 publications, three patents.

Fields of Expertise

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