Regeneration of Fuller's Earth: Does It Make Sense?

Fuller's earth is a general term for industrially used smectite or polygorskite-sepiolite clays with a large surface area and strong absorptive, binding, gelling, thickening, and decolorizing ability.

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Allen Filter Vessel

An Allen Filter Vessel AFM Series

The Allen AFM Series Filter vessel provides a thorough and very fine filtration of fluid with low initial cost.

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Allen Filters 2009-2010 Full-Line Catalog

Allen Filters Full-Line Catalog

Environmental stewards strive to sustain natural resources and our environment by managing, overseeing, and caring for the world’s natural resources.

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Transformer Oil, Part 2: Deterioration of Mineral Transformer Oil

Cover of the Transformer Oil, Part 2: Deterioration of Mineral Transformer Oil white paperMoisture contamination is one of the most obvious causes of deterioration in the insulating quality of transformer oil. This contamination can be eliminated by purification.

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Transformer Oil, Part 1: Maintenance of Mineral Transformer Oil

Cover of the Transformer Oil, Part 1: Maintenance of Mineral Transformer Oil white paperThe function of transformer oil is insulation and cooling of transformers. A transformer consists of metal, oil, and cardboard insulation. The oil is actually insulating oil and is used not only in transformers, but also in circuit breakers, capacitors, bushings, and tap changers. Insulating oil is a refined mineral oil obtained from fractional distillation of crude oil. It is free of moisture, inorganic acids, alkali, sulfur, asphalt, tar, and vegetable or animal oils.

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Concepts in Fluid Filtration

Cover for the Concepts in Fluid Filtration white paperFiltration is the separation of a fluid-solids mixture, involving passage of most of the liquid through a porous barrier that retains most of the solids contained in the mixture.

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