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How did PTFE membrane for filtration come to be?
Polytetrafluoroethylene (PTFE) and ePTFE Expanded PTFE originated in the lab at Dupont by chance. That being said, both PTFE and ePTFE were the result of ingenuity, diligence, and technical abilities. Bill Gore from W.L. Gore was the inventor and innovator of ePTFE material. One of many innovations was its incorporation with other textiles and nonwovens …
Behind the Mask: Which to filter out?
A comparative performance assessment of various facemask technologies There are two realities when looking for a protective mask: one, people want a choice; and two, they need to be able to trust those who make the masks and the performance statements they make. Many masks that have been sold since COVID-19 first arose offer some …
True Cost of Filters Changes with Russian Invasion
The true cost of a filter depends on external factors such as urgency and environmental impacts. The Russian invasion of Ukraine has greatly increased the urgency of acquiring filters in certain applications. It has also introduced a freedom factor which temporarily supersedes climate change priorities. The invasion and tacit support by China have created greater …
Do I sell or do I grow?
The filtration industry is changing and standing still is not an option. Business owners must choose between several financial paths, including investment in growth, M&A activity and cashing in. As the world is hopefully emerging from the throes of the COVID-19 pandemic, the filtration industry is front and center. This is the perfect time for …
New approaches for chemical and pharmaceutical liquid clarification
Many chemical and pharmaceutical manufacturing processes involve reactions of solid and liquid-phase reactants to produce a slurry. The slurry typically needs to be separated into its component parts — the liquid (i.e., mother liquor) and the solid. The valuable material may be the liquid, the solid or both phases. The component to be recovered determines …