37.0 years of Bulk Solids experience in the design of new handling / conveying systems, the optimization / upgrading of operating systems and the troubleshooting / reliability improvement of underperforming systems using proven observation / analysis / solutions techniques to realize safe and cost-effective handling / conveying plants.
Expertise Summary
• Dense-Phase Pneumatic Conveying
• Dilute-Phase Pneumatic Conveying
• Gas Compression Equipment
• Psychrometry of Air & Moist Gases
• Bulk Transport Systems / Equipment
• Particle Engineering
• Ventilation / Dust Collection
• Low Pressure Purge Air Systems
• Wet & Dry Vent Abatement Systems
• Pellet Cleaning / Blending Systems
• Product Drying Systems / Equipment
• Gas Filtration / Solids Separation
Professional Accomplishments
Established dense-phase pneumatic conveying as MET ( Most Effective Technology ) in the Dow polyethylene business. Created the AV Technology Center and developed CPPS (Common Product Piping Specification) AV-01, a robust piping specification for pneumatic conveying. This MET L1 piping specification is now leveraged across all Dow businesses.
Introduced new product form to the Dow Epoxy Business. Pastille Technology was implemented on an SEN ( Solid Epoxy Novolac ) project which solved EH&S ( Environmental Health & Safety ) and handling issues associated with this product.
Published article entitled Pneumatic Transfer: A Unified Approach to Dilute-Phase and Dense-Phase Conveyance in the International Trade Journal Powder Handling & Processing, Vol. 2 (1990) No. 2, pp. 111-116.
Published article entitled Designing Robust Pneumatic Conveying Systems in the North American Trade Journal Powder and Bulk Engineering, Vol. 18 (2004) No. 3, pp. 27-33.
Career Experience
Dow Chemical – Cleveland OH May 1968 thru Jun 1973
Provided engineering design / plant support for domestic plastic film manufacturing plants in the Packaging Department.
Dow Chemical – Strongsville OH Jul 1973 thru Dec 1979
Provided bulk solids handling / conveying design as the mechanical lead for North American capital projects in the plastic film and Styrofoam* product areas.
Dow Chemical - Freeport TX Jan 1980 thru Dec 2001
Provided expert handling / conveying design for major capital projects in the Polycarbonate, Polyethylene, Polyurethane, Polypropylene, Polystyrene, Epoxy, PEG and PET business areas. Founding member of the Solids Processing Technology Center. Promoted to L1 and named Material Flow Associate circa 1991, moved to TR&D ( Technical Resources & Development ). Named SME ( Subject Matter Expert ) circa 1996, moved to Process Engineering and later the Solids Discipline / Engineering Science / Core R&D. Retired from Dow Chemical Dec 2001.
Consulting and Contracting – Freeport TX Jan 2002 to May 2005
Engaged as a consultant on specific projects for the Coperion-Waeschle Corporation and the Pelletron Corporation. Employed by CDI Corporation in Jan 2004 to provide consulting services to The Dow Chemical Company at various sites.
Education / Certification
BSME Western Michigan University / Registered Professional Engineer in Texas and Ohio
Dennis J. Hauch P.E.
Dennis J. Hauch P.E.
Senior Consultant
(979) 417-3761 (d)
(979) 297-0361 (e)
dhauch@houston.rr.com
Subject Matter Expert (SME) in Bulk Solids Handling / Pneumatic Conveying
37.0 years of Bulk Solids experience in the design of new handling / conveying systems, the optimization / upgrading of operating systems and the troubleshooting / reliability improvement of underperforming systems using proven observation / analysis / solutions techniques to realize safe and cost-effective handling / conveying plants.
Expertise Summary
• Dense-Phase Pneumatic Conveying
• Dilute-Phase Pneumatic Conveying
• Gas Compression Equipment
• Psychrometry of Air & Moist Gases
• Bulk Transport Systems / Equipment
• Particle Engineering
• Ventilation / Dust Collection
• Low Pressure Purge Air Systems
• Wet & Dry Vent Abatement Systems
• Pellet Cleaning / Blending Systems
• Product Drying Systems / Equipment
• Gas Filtration / Solids Separation
Professional Accomplishments
Established dense-phase pneumatic conveying as MET ( Most Effective Technology ) in the Dow polyethylene business. Created the AV Technology Center and developed CPPS (Common Product Piping Specification) AV-01, a robust piping specification for pneumatic conveying. This MET L1 piping specification is now leveraged across all Dow businesses.
Introduced new product form to the Dow Epoxy Business. Pastille Technology was implemented on an SEN ( Solid Epoxy Novolac ) project which solved EH&S ( Environmental Health & Safety ) and handling issues associated with this product.
Published article entitled Pneumatic Transfer: A Unified Approach to Dilute-Phase and Dense-Phase Conveyance in the International Trade Journal Powder Handling & Processing, Vol. 2 (1990) No. 2, pp. 111-116.
Published article entitled Designing Robust Pneumatic Conveying Systems in the North American Trade Journal Powder and Bulk Engineering, Vol. 18 (2004) No. 3, pp. 27-33.
Career Experience
Dow Chemical – Cleveland OH May 1968 thru Jun 1973
Provided engineering design / plant support for domestic plastic film manufacturing plants in the Packaging Department.
Dow Chemical – Strongsville OH Jul 1973 thru Dec 1979
Provided bulk solids handling / conveying design as the mechanical lead for North American capital projects in the plastic film and Styrofoam* product areas.
Dow Chemical - Freeport TX Jan 1980 thru Dec 2001
Provided expert handling / conveying design for major capital projects in the Polycarbonate, Polyethylene, Polyurethane, Polypropylene, Polystyrene, Epoxy, PEG and PET business areas. Founding member of the Solids Processing Technology Center. Promoted to L1 and named Material Flow Associate circa 1991, moved to TR&D ( Technical Resources & Development ). Named SME ( Subject Matter Expert ) circa 1996, moved to Process Engineering and later the Solids Discipline / Engineering Science / Core R&D. Retired from Dow Chemical Dec 2001.
Consulting and Contracting – Freeport TX Jan 2002 to May 2005
Engaged as a consultant on specific projects for the Coperion-Waeschle Corporation and the Pelletron Corporation. Employed by CDI Corporation in Jan 2004 to provide consulting services to The Dow Chemical Company at various sites.
Education / Certification
BSME Western Michigan University / Registered Professional Engineer in Texas and Ohio
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