The Top 10 filtration news stories of 2022

Companies featured include Pall, Parker Hannifin, Micronics, National Filter Media, Mann+Hummel, Dyson, Amazon Filters and ZwitterCo.

Image © MH - Adobe Stock.

As 2022 draws to a close, we list the 10 most-read news stories on the Filtration+Separation website during the last 12 months.

1. Pall expands in Singapore to meet growing semiconductor demand

Singapore cityscape. - Image © Jo Panuwat D -


Pall Corp is building a new manufacturing facility in western Singapore to supply cutting-edge filtration solutions for semiconductor manufacturers.

The new facility, which will be located on a seven-acre campus that will include more than 18,000 sq m of manufacturing and office space, will mainly produce lithography and wet-etch filtration, purification and separation solutions that will help meet the high demand for advanced node solutions.


2. Parker Hannifin and Fraunhofer partner on fuel cell humidifiers

A Parker Hannifin humidifier. -


Parker Hannifin’s Engine Mobile Filtration EMEA Division (EMFE) is partnering with Germany’s Fraunhofer Institute for Microengineering and Microsystems (IMM) to further develop and test new proprietary hollow fibre membrane technology designed for fuel cell humidification applications.


3. Micronics acquires National Filter Media

Micronics' headquarters in Chattanooga, Tennessee, USA. -


The Micronics Engineered Filtration Group acquired National Filter Media (NFM), a US provider of air pollution control and liquid filtration products.


4. Toray creates new polymeric separation membrane module


The new module more than halves the carbon dioxide emissions of hydrogen purification processes and the number of modules required. - Image: Toray Industries

Japanese manufacturer Toray Industries Inc has developed a polymeric separation membrane module that can selectively and efficiently permeate hydrogen from mixed gases which contain hydrogen.


5. Mann+Hummel launches HEPA filter media for vehicles



Mann+Hummel announced that the first vehicles with Mann+Hummel HEPA filter systems will be launched on the market in 2022. These offer the best possible protection against air pollution in the vehicle.


6. Dyson announces new air-purifying headphones that filter pollution



Dyson has created a world first with its latest launch, Dyson Zone - a pair of noise cancelling, high fidelity over-ear headphones which deliver immersive sound to the ears, plus purified airflow to the nose and mouth.


7. Amazon Filters invests for further growth after equity buy-back

Amazon Filters is taking on new premises and equipment to boost production capacity. -


Amazon Filters is taking on new premises and equipment to boost production capacity after buying out the stake of its long-term equity partner BGF.

The buy-back means that the family-owned filter firm, founded in 1985, regains full control of its shares once again as a series of expansion plans take shape.


8. Pall breaks ground on US$100mn manufacturing facility in Singapore

Left to Right – Aaron Rivers (VP Global Operations at Pall Corp), Casey Mace (Deputy Chief of Mission, Embassy of the United States), Minister of State Alvin Tan, Naresh Narasimham (President, Pall Corp), and Shangaza Dasent (VP/General Manager of Microelectronics for Pall Corp). -

Pall Corp has held a groundbreaking ceremony for its new US$100 million state-of-the-art manufacturing facility in Singapore to meet unprecedented global semiconductor demand.

When fully operational, the new facility is expected to more than double Pall’s current production capacity and strengthen its position in Singapore as a regional and global hub for customers in the Asia Pacific region.


9. Mann+Hummel adopts new business model for Air Filtration Americas

Mann+Hummel’s headquarters in Ludwigsburg, Germany. -

Mann+Hummel’s Air Filtration Americas is moving from a direct sales approach to a distributor-based model for all three of its North American air filtration brands: Tri-Dim, Tri-Dim Hardy and Pamlico Air.


10. ZwitterCo raises US$33mn to scale its membrane technology

ZwitterCo's membranes regularly clean in under one hour and fully recover and restore performance even after severe fouling events. - Photo: Business Wire.

US membrane technology company ZwitterCo Inc has secured US$33 million in a Series A funding round to expand the development and production of its zwitterionic membrane technology.