Introduction to Benz Introduction to Benz Technology International, Technology International,

Inc.Inc.

Gregory T. Benz, PresidentGregory T. Benz, President

What Is Benz Technology What Is Benz Technology International Inc.?International Inc.?

Incorporated in 2002Incorporated in 2002 Small consulting engineering firmSmall consulting engineering firm Specializes in mixing, bioreactor Specializes in mixing, bioreactor

design issuesdesign issues Experience in grain processing, Experience in grain processing,

fermentation, biofuels, polymers and fermentation, biofuels, polymers and all other fluid processing areasall other fluid processing areas

Works internationallyWorks internationally

What services are available?What services are available? Equipment specifications, Equipment specifications,

especially mixingespecially mixing Expert vendor evaluation, Expert vendor evaluation,

especially mixingespecially mixing Multistage reactor designMultistage reactor design Polymer reactor agitator designPolymer reactor agitator design Sourcing of reliable process Sourcing of reliable process

equipment in developing equipment in developing countriescountries

Services, continuedServices, continued Bioreactor Agitator DesignBioreactor Agitator Design Fermenter mass transfer Fermenter mass transfer

calculationscalculations Bioreactor Heat Transfer Bioreactor Heat Transfer

calculationscalculations Fermenter agitator design, Fermenter agitator design,

scale-upscale-up

Services, continuedServices, continued Fermenter energy optimizationFermenter energy optimization Fermenter pilot plant Fermenter pilot plant

experimental protocolexperimental protocol Chemical/Bioreactor designChemical/Bioreactor design Agitation Courses/Seminars with Agitation Courses/Seminars with

PDHs or CEUsPDHs or CEUs

Additional ServicesAdditional Services Networking with other professionalsNetworking with other professionals Leadership development and Leadership development and

organizational functional design via organizational functional design via Illuminov (Kim D. Benz, Karen Kreutz)Illuminov (Kim D. Benz, Karen Kreutz)

Product Research via Kim BenzProduct Research via Kim Benz Unlocking tacit knowledge by Unlocking tacit knowledge by

IlluminovIlluminov Networking in ChinaNetworking in China

What are the qualifications of Mr. What are the qualifications of Mr. Benz?Benz?

BSChE at University of Cincinnati, BSChE at University of Cincinnati, 19761976

25 years experience at Chemineer, 25 years experience at Chemineer, Inc, through 2001Inc, through 2001

Continuing Education course in Continuing Education course in Fermentation BiotechnologyFermentation Biotechnology

International experience in USA, International experience in USA, Canada, Mexico, Korea, China, Canada, Mexico, Korea, China, France, England and BelgiumFrance, England and Belgium

Who are some of Benztech’s Who are some of Benztech’s Customers?Customers?

Abengoa Bioenergy

Advance Bio LLC

A.E. Staley Manufacturing co.

Affiliated Engineers

Alflow Scandinavia

Alpharma

Altra Biofuels

AMG

Archer Daniels Midland

Biofuel Energy Corp.

Carbon Renew Energy LLC

Cargill, Inc.

Chesapeake Agro-Iron LLC

CHR Hansen

Degussa

Ergon

ICM

Iogen

Merck, Inc.

Midwest Lysine

Mixtech, Inc.

NatureWorks LLC

PGLA-1

Power & Mine Supply

Rebus Corporation

Renmatix

Rocky Mountain Institute

Scientific Protein Labs

Stepan Company

Sweetwater Energy

University of Minnesota

Utility Engineering Corporation

Zibo Cargill Huanghelong

And others…

What are some project examples?What are some project examples? Defined pilot plant protocol to maximize Defined pilot plant protocol to maximize

data usefulness for agitation scale-up, data usefulness for agitation scale-up, and interpreted/scaled up the resultsand interpreted/scaled up the results

Coordinated technology transfer for Coordinated technology transfer for agitator manufacture in Chinaagitator manufacture in China

Wrote detailed process and mechanical Wrote detailed process and mechanical specifications for an agitation system for specifications for an agitation system for viscous gum fermentation viscous gum fermentation

Evaluated the feasibility of new Evaluated the feasibility of new processes using existing mixing processes using existing mixing equipment equipment

More Project ExamplesMore Project Examples Process troubleshooting Process troubleshooting Mechanical troubleshooting Mechanical troubleshooting Mixer application engineering for Mixer application engineering for

various applications, such as various applications, such as ethanol production and flue gas ethanol production and flue gas desulfurization desulfurization

Design of agitation systems for Design of agitation systems for various aerobic fermentations various aerobic fermentations

More Project ExamplesMore Project Examples Calculation of power and mass Calculation of power and mass

transfer profiles during fed batch transfer profiles during fed batch fermentations fermentations

Mixer market research Mixer market research Mixer product development Mixer product development Evaluation of new agitator impeller Evaluation of new agitator impeller

technology for potential equipment technology for potential equipment retrofitsretrofits

Some Articles by Mr. BenzSome Articles by Mr. Benz ““Design and Scale-up of Agitators for Gas Dispersion in Design and Scale-up of Agitators for Gas Dispersion in

Fermentors”, R. Rautzen, G. Benz and D. Dickey, presented at Fermentors”, R. Rautzen, G. Benz and D. Dickey, presented at Engineering Foundation Conference on Mass Transfer and Scale-Engineering Foundation Conference on Mass Transfer and Scale-up of Fermentors, New England College, Henniker, NH, July 1977up of Fermentors, New England College, Henniker, NH, July 1977

““Improved Starch Reactor Design”, G. Benz, Proceedings of Improved Starch Reactor Design”, G. Benz, Proceedings of 1990 Scientific Conference, Corn Refiners Association, 1990 Scientific Conference, Corn Refiners Association, Indianapolis IN, September 1990, pp121-136Indianapolis IN, September 1990, pp121-136

““Computational Fluid Mixing for Corn Wet Milling Applications”, Computational Fluid Mixing for Corn Wet Milling Applications”, G. Benz and A. Bakker, Proceedings of 1994 Scientific G. Benz and A. Bakker, Proceedings of 1994 Scientific Conference, Corn refiners Association, Oakbrook, IL, September Conference, Corn refiners Association, Oakbrook, IL, September 1994, pp 185-1921994, pp 185-192

““Mixing in Industrial Fermenters”, A. Bakker, G. Benz, presented Mixing in Industrial Fermenters”, A. Bakker, G. Benz, presented at Biotechnology Conference, Sydney, Australia, 1996at Biotechnology Conference, Sydney, Australia, 1996

““A Comparative Study of Alternative Gas Dispersion Impellers”, A Comparative Study of Alternative Gas Dispersion Impellers”, K. Myers, A. Thomas, A. Bakker and G. Benz, presented at Gas-K. Myers, A. Thomas, A. Bakker and G. Benz, presented at Gas-Liquid Systems Session. Mixing XVI, Williamsburg, VA June 1997Liquid Systems Session. Mixing XVI, Williamsburg, VA June 1997

Some More ArticlesSome More Articles “ “ Proper Impeller Systems Insure Mixing Performance”, M. Reeder, G. Proper Impeller Systems Insure Mixing Performance”, M. Reeder, G.

Benz, Chemical Processing Magazine, July 1997, pp 63-64Benz, Chemical Processing Magazine, July 1997, pp 63-64 ““Enhancement of Fermentation with Effective Impeller Systems”, G. Enhancement of Fermentation with Effective Impeller Systems”, G.

Benz, Proceedings of 2001 International Symposium “New Horizons in Benz, Proceedings of 2001 International Symposium “New Horizons in Microbiology and Biotechnology”, Seoul Korea, June 2001, pp 153-154Microbiology and Biotechnology”, Seoul Korea, June 2001, pp 153-154

““Optimize Power Consumption in Aerobic Fermenters”, G. Benz, Optimize Power Consumption in Aerobic Fermenters”, G. Benz, Chemical Engineering Progress, May 2003, pp 100-103Chemical Engineering Progress, May 2003, pp 100-103

““Impeller Selection for Agitated Aerobic Fermenters”, G. Benz, Impeller Selection for Agitated Aerobic Fermenters”, G. Benz, Chemical Engineering Progress, February 2004, pp18S-24SChemical Engineering Progress, February 2004, pp18S-24S

“ “Team Up with a Consultant for Equipment Selection”, G. Benz, Team Up with a Consultant for Equipment Selection”, G. Benz, Chemical Engineering Progress, August 2006, pp 50-51Chemical Engineering Progress, August 2006, pp 50-51

“ “The G-Value for Agitator Design: Time to Retire It?, G. Benz, The G-Value for Agitator Design: Time to Retire It?, G. Benz, Chemical Engineering Progress, March 2007, pp 43-47Chemical Engineering Progress, March 2007, pp 43-47

““Selecting Agitator Seals for Bioprocessing Applications”, G. Benz, W. Selecting Agitator Seals for Bioprocessing Applications”, G. Benz, W. H.L. Teng, Chemical Engineering Progress, January 2008, pp 44-52H.L. Teng, Chemical Engineering Progress, January 2008, pp 44-52

““Piloting Bioreactors for Agitation Scale-Up”, G. Benz, Chemical Piloting Bioreactors for Agitation Scale-Up”, G. Benz, Chemical Engineering Progress, February 2008, pp32-34Engineering Progress, February 2008, pp32-34

““Agitation Challenges in Cellulosic Ethanol Production”, Ethanol Agitation Challenges in Cellulosic Ethanol Production”, Ethanol Producer Magazine, March 2008Producer Magazine, March 2008

More articles againMore articles again “Sourcing Equipment in Developing Countries while Minimizing Risk”, Ethanol Producer Magazine, August,

2009. “Determine the Optimum Number of Process Trains”, G. Benz, Chemical Engineering Progress, January

2010, pp 50-51 “Agitation of Fibrous Materials”, G. Benz, Chemical Engineering Progress, June, 2010, pp 28-32 “Reduce Risk When Sourcing Abroad”, G. Benz and L. Du, Chemical Engineering Progress, October 2010, pp

32-36 “Bioreactor Design for Chemical Engineers”, G. Benz, Chemical Engineering Progress, August, 2011, pp21-

26 “Determining Torque Split for Multiple Impellers in Slurry Mixing”, G. Benz, Chemical Engineering Progress,

February, 2012, pp 45-48 “Cut Agitator Power Costs”, G. Benz, Chemical Engineering Progress, November 2012, pp 40-43 “Why Conduct Pilot Studies for Agitated Gas-Liquid Mass Transfer?”, G. Benz, Pharmaceutical Engineering,

January/February 2013, Vol. 33 no. 1, pp1-3 “Designing Multistage Agitated Reactors”, G. Benz, Chemical Engineering Progress, January 2014, pp 30-36 “Pumps vs. agitators for tank mixing, classic case of CAPEX vs OPEX: white paper”, G. Benz, Biofuels Digest

magazine (Online), May 4, 2014 “Computing Dissolved Oxygen Profiles in Aerobic Fermenters”, G. Benz, A. Kulkarni, G. Kasat & D. Vedapuri,

NAMF Presentation, June 2014 “Large Scale Microbial Production of Advanced Biofuels: How big can we go?”, G. Benz, Biofuels Digest,

online publication, December 2014 “Optimizing Aerobic Fermenter Operation”, G. Benz, Chemical Engineering Progress, March 2016, pp.60-62

International ExperienceInternational Experience USAUSA MexicoMexico CanadaCanada EnglandEngland FranceFrance BelgiumBelgium ChinaChina S. KoreaS. Korea

Why Use Benztech Instead of Why Use Benztech Instead of Mixer Suppliers?Mixer Suppliers?

Mixer suppliers engineer’s goal is to sell Mixer suppliers engineer’s goal is to sell agitators. Benztech’s goal is to solve agitators. Benztech’s goal is to solve mixing problemsmixing problems

Impartiality; not tied to any vendorImpartiality; not tied to any vendor Experience levelExperience level ““Unlimited” time availableUnlimited” time available Generally much faster responseGenerally much faster response Saves money on bids when all vendors Saves money on bids when all vendors

must compete on an equivalent basismust compete on an equivalent basis

Some Benztech PixSome Benztech Pix

Form Left To Right: Greg Benz in China; Lab Form Left To Right: Greg Benz in China; Lab Simulation; Computer Simulation; Greg Simulation; Computer Simulation; Greg Benz in WisconsinBenz in Wisconsin

ConclusionsConclusions Benztech can analyze mixing performance Benztech can analyze mixing performance

to assure optimum design and economy of to assure optimum design and economy of operationoperation

Benztech can get all qualified vendors on Benztech can get all qualified vendors on an equal basis for the most competitive an equal basis for the most competitive quotationsquotations

Benztech can save you time and money Benztech can save you time and money where mixing is involvedwhere mixing is involved

Benztech can help you source equipment Benztech can help you source equipment in developing countries without the fearin developing countries without the fear