Since 1995, Gas Cleaning Technologies, LLC has built a reputation as a responsive, technology-driven organization with a proven record of high-quality, specialized gas cleaning and energy solutions delivered around the world.

With over 50 professionals specialized on process consulting, technology development and project implementation, GCT serves clients across the globe from five locations:

Dallas (Head Office) Our main office in Texas serves as the Center of Excellence for our global Gas Cleaning Solutions business unit. Conveniently located minutes away from the Dallas-Fort Worth International Airport, it provides excellent access to our clients’ sites.
Chicago Our Chicago office is well positioned to support the metallurgical industry in the Midwest and develop strategic affiliations with other local entities such as Gas Technology Institute (GTI) and Northwestern University.
Singapore Our subsidiary Gas Cleaning Technologies (Asia) Pte Ltd is well-positioned to access the South-East Asia market from our office in Singapore.
Vancouver Our Canadian subsidiary, GCT Engineering Inc., acts as a Center of Excellence for our Clean Energy and Technology Solutions.
India EnviPro Gas Cleaning Technologies Pvt. Ltd. is a joint venture partnership created by GCT and India-based EnviPro Engineering Pvt. Ltd. The JV is uniquely positioned to address Flue Gas Desulphurization and other applications in the Indian market.

Our Team

GCT’s successes have been developed based on the quality and commitment of our highly-skilled engineering and design staff.

  • Individual commitment to a team effort allows us to attain exceptional results.
  • Professional development is fostered in a supportive and positive workplace environment.
Paykan Safe, Ph.D., P.E. President

Marketing strategy, business development and technology integration to enhance Gas Cleaning Technologies business activities on a global level.  Provide clients with high level technical direction, conceptual and detail engineering design of new and retrofit systems and troubleshooting of air pollution control systems.  Extensive experience in process engineering, feasibility studies, process simulation and modeling, analysis and design of off-gas systems, including heat recovery and energy optimization, for ferrous and non-ferrous metallurgical processes.  Authored several technical papers, conducted seminars and short courses on energy conservation and air pollution control systems.

Areas of particular expertise:

  • Outstanding Leadership in Industry Innovation
  • Insightful Understanding of Metallurgical Processes Gas Cleaning Systems, Heat Recovery and Energy Optimization
  • Business Development and Management
  • Strategic Planning


  • Research Associate Fellow at the Chemical Engineering Department, University of Toronto, 1988
  • Ph.D., Mechanical Engineering, North Carolina State University, 1987
  • M.Sc., Chemical Engineering, North Carolina State University, 1984
  • B.Sc., Chemical Engineering, North Carolina State University, 1981

Technical/Academic Affiliations:

  • Association of Professional Engineers of the State of Texas
  • Association of Professional Engineers of Ontario
  • Ph.D. Candidate Committee Member, University of Colorado at Boulder, 1996-2000
  • Adjunct Faculty, University of Texas at Arlington, 1992-1993
  • Adjunct Faculty, University of Toronto, 1989

Publications and Seminars:

Technical Papers:

  • Over 40 publications in various technical journals and conference proceedings

Short Courses/Seminars Conducted:

  • USA, Canada, Chile, Colombia, Dominican Republic, Indonesia, Germany, Spain, China, Australia and Republic of South Africa


  • “Heating, Ventilating and Air Conditioning Analysis and Design”, New York, N.Y., Prentice Hall, 1988
Gord Engel, P.Eng. VP Projects

Gord has more than 30 years of experience with project management, gas cleaning and material handling system design in the pyrometallurgical, hydrometallurgical and hydrocarbon industries. He has managed a wide variety of projects from front end development through to detail engineering, construction support and commissioning. He is skilled in the engineering design and layout of ferrous and non-ferrous metallurgical primary and secondary off-gas systems. He has also been involved in the design of complete hydrometallurgical process plants. Gord offers a wealth of experience in bulk material storage and handling systems including mass-flow or funnel flow storage silo and feeder systems, mechanical conveying, crushing and screening, and fluidized conveying.

Matt Russell, P.E. VP Process Technology

Matt Russell has nearly 20 years of experience in process and gas cleaning projects in numerous ferrous and non-ferrous metallurgical processes throughout the world, including steel mills, copper, nickel, ferronickel, lead, zinc, aluminum, and platinum smelters, as well as alumina refineries. He has extensive experience in process engineering, feasibility studies, process simulation and modeling, analysis and design of off-gas systems, and heat recovery and energy optimization projects.

Bobby Randhawa VP Process Engineering

Bobby has over 18 years of experience in process engineering and gas cleaning projects around the world. He specializes in process modeling and emissions control of metallurgical facilities, and his experience includes field quantification of emissions as well as development and design of emission control systems for both ferrous and non-ferrous facilities. In addition, he has extensive experience in energy efficiency and heat recovery projects from process gas streams.

Daniel Brosig, P.Eng. Director, Energy Solutions

Daniel is a Professional Engineer with over 12 years of experience in the metals industry specialized in process engineering, process technology development and business development. His assignments have included the techno-economic evaluation of incumbent and emerging innovative extractive technologies for the recovery of nickel, zinc, lead, copper, PGMs and various minor specialty metals from both primary and secondary resources for international clients. He has significant experience in proof of concept process test work design and execution, and hands-on pilot plant and commercial plant troubleshooting. Daniel holds a Bachelor’s degree in Chemical Engineering, a Master’s degree in Chemical Engineering and a Master’s degree in Entrepreneurship and Innovation.

Andreas Siegmund, Ph.D. Process Technology Advisor

Andreas has a PhD in Metallurgical Engineering with over 30 years of experience in the non-ferrous metals industry. He has been involved in the engineering, commissioning, and operation of several pyrometallurgical and hydrometallurgical non-ferrous production facilities worldwide. He has also managed the R&D laboratory and an operating facility of a large non-ferrous recycling company in the USA. Prior to joining Gas Cleaning Technologies, he had his own consulting firm providing process solutions and technologies for the metallurgical industries, and was involved in establishing a non-ferrous metal fabricated products facility in China.

Gerson Duran, PMP Project Engineer, Senior Mechanical Engineer

Mr. Durán is a senior mechanical engineer and project manager. Over the past 13 years he has gained expertise in the assessment, design, construction, commissioning, and management of projects involving mechanical design of industrial equipment, industrial furnace rebuilds, industrial off-gas ventilation, spare parts contract management, and contract management for both public and private-sector clients. Mr. Durán is also experienced in plant layout design, thermal and furnace integrity audits and simulations, primary and secondary hood design for converters and anode furnaces, as well as simulations for fan sizing. He has been responsible for the management of Design and Supply projects for Primary and Secondary Hoods, as well as all facets of business development, project planning, financial, fabrication quality control, construction and commissioning. Gerson is a certified Project Management Professional.

Stanley Lui Senior Mechanical Engineer

Stanley is a mechanical engineer by training and has over 11 years of project & mechanical engineering experience in project cost-benefit analysis, end-to-end product life cycle management, project risk assessment, mechanical design, equipment installation and commissioning. Management of projects involved various activities in conceptual engineering to system commissioning for greenfield and brownfield facilities in the Ferrous and Non-Ferrous industries.  Stanley is certified in Lean Six Sigma Green Belt and Project Management Professional.

Chi Seng Tong Senior Structural Engineer

Mr. Chi Seng Tong is a Senior Civil Engineer (Foundations & Steel and Concrete Structures), with more than thirty-five years of experience in the design, engineering and construction of metallurgical, mining, petrochemical, chemical, aluminum, and power projects. His technical expertise includes: project management and quality control, developing conceptual, basic and detailed structural designs, preparing technical specifications, material take-offs, team coordination, scope of work definition and cost estimating. Chi Seng is also experienced with field construction/site management and support.

Larry Cull Senior Electrical Engineer

Larry has nearly 40 years experience in engineering, design, procurement, construction and commissioning of electric power and control systems for major industrial expansions in the Metallurgical and the Oil and Gas Industries. He has engineered and commissioned high, medium and low voltage power distribution systems up to 250 MVA capacities, DCS/PLC control systems with up to 1000 inputs/outputs and electrical power plants rated 18 MW.

Gary Rosas Chief Designer

Gary has more than 30 years of mechanical, structural and piping design and layout experience for ferrous and non-ferrous smelters, petrochemical and hydrocarbon processing plants, and environmental/air quality projects for greenfield and brown facilities. His experience is primarily focused on heavy industrial design for basic and detailed engineering projects for off-gas handling APC systems, water-cooled duct and equipment, dust handling and conveying, heat recovery, nuclear air and gas handling treatment for D.O.E. facilities and process piping systems.

Why Do The Biggest Names In Industry Consistently Request Our Services?

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