Dr. Cheah Wei Ng

Ms. Ng is a technical expert in air filtration technology with over 22 years of experience in the industry. Holding a MSc. in Chemical Engineering, she has worked extensively across China, Malaysia, and the United States, bringing a rich, global perspective to her work.

Specializing in both particle and molecular filtration, Cheah Wei is renowned for her advanced research and development in optimizing filtration systems and pioneering new technologies. Her contributions include advance patents, reflecting her innovative approach and technical leadership.

In addition to her industry work, she has collaborated with universities on new product development, contributing to both applied research and scholarly publications. This academic collaboration highlights her dedication to advancing knowledge and fostering innovation in air filtration.

Being active in ISO, ASHRAE and GB, she plays a key role in working groups focused on the creation and refinement of new standards.

Her efforts ensure that her work aligns with global best practices and regulatory requirements, further underscoring her impact in the field. Her contribution in filter industry is marked by a steadfast commitment to innovation and excellence, driving advancements that significantly enhance air quality and environmental sustainability.

Dr. Cheah Wei Ng
Position

R&D Director APAC, Camfil

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Dr. Cheah Wei Ng
Workshop

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VIP Lounge of the Czech Pavilion at Expo 2025

Global Air Filtration Standards: A Comparative Analysis

Air filtration standards are paramount in safeguarding public health and maintaining indoor air quality. While international standards offer a foundational framework, countries such as Japan and China have established their own specific regulations to address their specific environmental concerns and regulatory mandates. As the field of air filtration advances, staying abreast of the latest standards and technologies is essential for selecting optimal filtration solutions across diverse applications and markets. This workshop will present a comparative analysis of the key air filtration regulations in Japan (JIS B 8137 and JIS B 8140), China (GB/T 18800 and GB/T 30587), the United States (ASHRAE 52.2 and 62.1), and Europe (ISO 16890 and 29463), along with practical guidance on tailoring product performance to meet the requirements of each market.

Dr. Iyad Al-Attar

Visiting Fellow, Department of Aerospace, Transport and Manufacturing, Cranfield University

Dr. Iyad Al-Attar is a mechanical engineer, air quality consultant, and a Visiting Academic Fellow in the School of Aerospace, Transport, and Manufacturing at Cranfield University for air quality and filter performance relevant to land-based gas turbines.

Dr. Al-Attar is the first associated air filtration consultant fo…

Dr. Iyad Al-Attar

Dr. Cheah Wei Ng

R&D Director APAC, Camfil

Ms. Ng is a technical expert in air filtration technology with over 22 years of experience in the industry. Holding a MSc. in Chemical Engineering, she has worked extensively across China, Malaysia, and the United States, bringing a rich, global perspective to her work.

Specializing in both particle and molecular filtra…

Dr. Cheah Wei Ng

Tom Birchard, MBA

Director of Solution Management, Elmarco s.r.o.

Tom, with over 25 years of experience in engineering, business development, and project management, heads the solutions management team at Elmarco.  He has broad experience at large companies with long-established products and processes as well as start-up companies full of possibilities and ambiguities.  Wherever he…

Tom Birchard, MBA

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