This concern also applies to filter components and housings. Pall recognizes the importance of proper material selection, cleanliness standards, housing surface preparation, and specialized manufacturing processes with regard to product quality. Our knowledge allowed us to introduce practices that have become industry standards. All Pall Gaskleen filter assemblies are packaged in special double...

The use of filter aids and precoat filtration is ubiquitous in a wide number of industries, including chemicals, food processing, pharmaceuticals, mining, municipal (potable) water treatment and waste treatment. World Minerals Inc., the parent company of Celite and Harborlite, and other organizations have recently made major advances in filter aid technology. These advances have now pushed the ...

A new concept for household and large-scale safe drinking water production is presented. Raw water is successively filtered through a series of sand and iron filters. Sand filters mostly remove suspended particles (media filtration) and iron filters remove anions, cations, micropollutants, natural organic matter, and micro-organisms including pathogens (reactive filtration). Accordingly, treatm...

BACKGROUND In sub-Saharan Africa, the number of persons living with human immunodeficiency virus (HIV) has increased immensely. In parallel, rates of noncommunicable diseases, especially cardiovascular disease, are rising rapidly in resource-limited settings. This study aims to evaluate the relation between subclinical atherosclerosis and HIV-related and traditional cardiovascular risk factors ...

Fibroblast growth factor23 (FGF23), an early marker of kidney dysfunction, is associated with cardiovascular death. Its role in HIV-positive individuals is unknown. We measured FGF23 in 100 HIV-negative and 191 HIV-positive nondiabetic adults with normal baseline estimated glomerular filtration rate (GFR). We measured GFR by iohexol annually, albumin-creatinine ratio (ACR) every 6 months, as we...

The presence of high iron (Fe) content in water consumption is a major factor that causes health and aesthetic problems. Its amount samples can be reduced by combining the aeration filtration methods treatment. method basically involves making direct contact between air water, which usually done adding both together. Subsequently, uses porous media like sand, gravel, activated charcoal to filte...

The filtration of air has attracted increasing attention during recent waves viral infection. This review considers published literature regarding the usage cellulose-based materials in devices, including face masks. Theoretical aspects are reviewed, leading to models that can be used predict relationship between structural features filter media and collection efficiency for different particle ...