Air & Gas Filtration

COVID-19 UPDATE: Researchers employ copper foam to filter microbes in facemasks and air filtration systems
With COVID-19 having an impact worldwide, International Filtration News is tracking stories relevant to the filtration industry. Filtration media for facemasks and respirators are at the forefront of the COVID-19 response effort, and meeting the demand for these types of filter media is proving to be a challenge. As manufacturers of filter media and others …

Despite COVID challenges, filtration & separation industry joins for successful convention in Shanghai
The 8th Filtration & Separation Asia (FSA) and the 11th China International Filtration & Separation Exhibition (CIFSE) was held December 9-11, 2020, in Shanghai, with industry players joining to represent the filtration and separation industry as the world continues to struggle with the impacts of the coronavirus (COVID-19) pandemic. Exhibitors & visitors The FSA + …

Considerations in particle counter and PM2.5, PM10 measurements
There has been increasing interest in specifying the efficiency of ventilation filters at PM2.5 and PM10. PM is a statutory measure of outdoor air quality determined according to strictly specified procedures, or their approved equivalents. In this paper, an attempt is made to relate the measured differences to published theoretical comparison for single particles. The …

When filtration gets heated – considering hot gas applications
Hot gas filtration is a process utilized to remove particulate in high temperature gas streams. Depending on the process, the temperature ranges can very between 250 C to 1,000 C. The lower range can be serviced by synthetic fabric filters in the form of a bag and cage or pleated elements, whereas higher temperatures require …

The future of filtration — How does COVID-19 change the filtration industry?
In light of the recent coronavirus pandemic, it seems there is opportunity for technology development in the area of filtration to protect against the spread of airborne viruses. While there is some debate about how viable COVID-19 is as an airborne threat, the shortage of facemasks and supply chain challenges in acquiring needed raw materials …