Proficiencies in High Purity Water
October 28 to 29, 2026Pureflow Campus, Graham, NC

Proficiencies in
High Purity Water Training

▶Watch: Experience Proficiencies 2026

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Proficiencies in High Purity Water is an immersive, two-day technical training experience hosted by Pureflow, featuring:
Technical presentations led by industry experts
Hands-on learning opportunities
Guided tour of Pureflow’s manufacturing facility
High-purity water treatment fundamentals and advanced technologies
Operational best practices and practical applications
Opportunities for peer collaboration and industry networking
The program is designed to expand technical knowledge, encourage meaningful discussion, and strengthen understanding of high-purity water treatment systems.
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Our Featured Speaker Lineup

Learn directly from a hand-picked team of industry experts. Together, they bring decades of hands-on experience in chemical treatment, carbon, membranes, ultrafiltration, electrodeionization, and instrumentation, sharing practical knowledge you can take back to your facility and put to work right away.
Beatriz ColacioppoBeatriz ColacioppoRebecca DiStefanoRebecca DiStefanoStephen BolesStephen BolesDaniel HinshawDaniel HinshawSpencer HuffinesSpencer HuffinesDavid FergusonDavid FergusonSteve SivernsSteve SivernsDenise HaukkalaDenise HaukkalaVictoria OvesonVictoria Oveson
Beatriz Colacioppo
Beatriz Colacioppo
American Water Chemicals (AWC)
American Water Chemicals logo
Session
Chemical treatment to enhance system performance, reduce maintenance & improve system reliability
Beatriz earned her bachelor’s degree in chemistry from the University of South Florida and began her career at American Water Chemicals in 2023. Bringing a foundation in analytical chemistry and R&D to applications, she currently serves as Regional Technical Manager for the East Coast. Beatriz is actively engaged in the water treatment industry, teaching at workshops, writing technical papers and case studies, and presenting at conferences. Based in Tampa, FL, she works closely with operators to troubleshoot and optimize membrane treatment systems.
Recent Speaker Features
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Rebecca DiStefano
Rebecca DiStefano
Calgon Carbon Corporation (a Kuraray company)
Calgon Carbon logo
Session
Choose the right carbon, maximize service life, and manage performance
Rebecca is Technical Director for the Industrial Solutions and Diversified Applications Business Unit at Calgon Carbon Corporation, a Kuraray company, based in Pittsburgh, Pennsylvania. She has been with Calgon Carbon for 14 years, serving in R&D, product development, and commercial roles. Rebecca pairs R&D depth with product selection and performance, turning technical insight into solutions for real industry challenges. Prior to joining Calgon Carbon, Rebecca worked in the pharmaceutical and biotechnology industry. She holds a B.S. in Chemical Engineering from Penn State University and an MBA from Robert Morris University.
Recent Speaker Features
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Stephen Boles
Stephen Boles
Pureflow Inc.
Pureflow logo
Session
Source water contaminants and their impact on membrane system performance
Stephen works as a Senior Project Engineer and subject matter expert for the pharmaceutical and semiconductor markets. Stephen has over 18 years experience in designing, building, maintaining, and troubleshooting high purity water systems. Stephen holds a B.S. in Mechanical Engineering from Cedarville University.
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Daniel Hinshaw
Daniel Hinshaw
Pureflow Inc.
Pureflow logo
Sessions
Principles, schematic, and operation of RO units
Data collection, trending and analysis to ensure consistent quality and predict maintenance
Daniel oversees Pureflow’s engineering operations and acts as subject matter expert for the beverage market. He began as an intern building water systems in the Pureflow shop, then transitioned into an engineering role designing life science systems. After 2 years of working in the pharmaceutical industry, Daniel joined the Pureflow team full time as an engineer for the beverage market and has now been with Pureflow over 11 years. Daniel holds a B.S. in Mechanical Engineering from North Carolina State University.
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Proficiencies in High Purity Water (multiple years)
Spencer Huffines
Spencer Huffines
Pureflow Inc.
Pureflow logo
Session
A conservative and robust pretreatment for consistent and reliable water system operation
Spencer acts as the lead engineer for Pureflow’s power industrial services group. He started with Pureflow as an intern with the engineering group supporting various projects. He began full time after completing his BS in mechanical engineering from UNC Charlotte 4 years ago. Spencer’s experience focuses on industrial applications with challenging feed water and purifying it to meet high pressure boiler specification feed specifications.
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Proficiencies in High Purity Water (multiple years)
David Ferguson
David Ferguson
Pureflow Inc.
Pureflow logo
Session
Instrument selection, obsolescence and upgrades, data collection & trending
David leads Pureflow’s controls engineering group with over 20 years experience in electrical design, controls programming, HMI graphics development, control system integration, and monitoring & reporting platforms. David holds a B.S. in Electrical Engineering from the University of Memphis and a M.S. in Electrical Engineering from Duke University.
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Proficiencies in High Purity Water (multiple years)
Steve Siverns
Steve Siverns
Siverns Engineering, Inc.
Session
Electrodeionization for permanent installation, continuous operation, and consistent quality production
Steve is a Senior Process Engineer who is also a PEng registered Chemical Engineer from Ontario, Canada. He received his Master of Engineering in Process Control from McMaster University in Hamilton, Canada. He has over 36 years of experience in design and troubleshooting of high purity water systems. Steve joined the Pureflow team in 2011 and has spoken many times at our high purity water training events. He retired from full time work in 2024 and now does some occasional teaching and engineering/consulting in the high purity water industry.
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Proficiencies in High Purity Water (multiple years)
Denise Haukkala
Denise Haukkala
DuPont Water Solutions
DuPont logo
Sessions
Optimal cleaning to recover RO performance
Troubleshoot RO’s most common challenges: observe symptoms, identify source of the problem, and implement corrective action
Denise has over 26 years of experience with DuPont/Dow and has held a number of positions focused in analytical and material sciences, polymer application development, and technical service and development. Denise has spent the last 16 years providing in depth product support, RO/NF designs, troubleshooting, fundamentals training, and application process development for FILMTEC™ RO/NF and DuPont™ Specialty Membranes. Denise holds a Bachelor of Science degree in chemistry from the Honor’s College at Texas Tech University.
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Victoria Oveson
Victoria Oveson
DuPont Water Solutions
DuPont logo
Session
Ultrafiltration application and operation as a barrier that brings consistency to volatile source waters. Covering advantages, selection, CEB, CIP, and more.
Victoria Oveson is a Senior Technical Service Engineer with DuPont Water Solutions who helps customers translate membrane science into practical water-treatment solutions. She specializes in membrane-based applications using FilmTec reverse osmosis and nanofiltration membranes and DuPont ultrafiltration membranes. Collaborating with customers across North America, she provides technical support in membrane selection, process design, system troubleshooting, technical training, and the development of new products and applications. Victoria has more than a decade of experience with Dow and DuPont in analytical and materials science, production engineering, and membrane application development. She is based in Edina, Minnesota, and holds a Bachelor of Science in chemical engineering from the South Dakota School of Mines and Technology.
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Agenda

Here is how the two days come together, from treatment fundamentals on Day One to cleaning, troubleshooting, and hands-on autopsies on Day Two.
Day One
Wednesday, Oct. 28th
Registration & Breakfast
Welcome
Water Contaminants
Stephen Boles, Pureflow, Inc.
Pretreatment
Spencer Huffines, Pureflow, Inc.
Carbon 101: Activated Carbon Fundamentals
Rebecca DiStefano, Calgon Carbon | Kuraray Company
Lunch
Shop Tour
Ultrafiltration Technologies
Victoria Oveson, DuPont
Reverse Osmosis
Daniel Hinshaw, Pureflow, Inc.
Q & A Panel
Dine Arounds to follow the conclusion of Q&A Session
Day Two
Thursday, Oct. 29th
Breakfast
Welcome Back!
Electrodeionization
Steve Siverns, Siverns Engineering, Inc.
Process Instrumentation & Trending
David Ferguson, Pureflow, Inc.
Optimal Cleaning of RO Elements
Denise Haukkala, DuPont
Chemical Treatment to Enhance System Performance
Beatriz Colacioppo, American Water Chemicals
Lunch
RO & EDI Autopsies
RO Troubleshooting
Denise Haukkala, DuPont
Q & A Panel
Symposium Concludes
Breaks will be offered at the conclusion of each presentation
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