Membrane filters play a critical role in providing sterile air and gases in pharmaceutical, biotechnology and containment applications. The filters must be proficient in removing airborne viruses ...

An X-ray diffraction method is described for the quantitative determination of quartz in dust samples. The analysis was done directly on a collecting cellulose ester membrane filter of the type used ...

Sterilizing grade filters are widely used in the biopharmaceutical industry and were once thought of as being perfect. However, these filters have experienced rapid developments and improvements ...

Filtering water is an incredibly important process, but it's not as simple as it seems. As the pores in a membrane inevitably get clogged with material, it takes time and energy to clean or replace ...

Opflow is primarily written by the people who read it and is the water community's primary network for operator-level workers. The award-winning monthly magazine presents new and established ...

Filtering and treating water accounts for about 13 percent of all electricity consumed in the US every year and releases about 290 million metric tons of CO2 into the atmosphere annually. New research ...