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How fiber diameter & size affect filtration performance

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Process Profile: Zero liquid discharge

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Nearly 140 years in, G Bopp remains a leader in woven wire mesh — what’s the secret to its success?

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The main filter mechanisms of fiber material. (B) Filtration efficiency for particles with different diameters. (C) The main filtration effect based on particle size.

There are three primary property considerations of fibers for filtration performance — the choice of fibers, the process of producing the media and the final application.       When it comes to performance, the fundamental fiber properties are those that are designed to optimize volume, air permeability, and the pore size of the material.  …

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Zero liquid discharge diagram. Photo: Saltworks Technologies

Zero liquid discharge (ZLD) is a filtration process that is gaining prominence as freshwater resources globally continue to decline and environmental regulations for wastewater discharge grow more stringent. At a fundamental level, ZLD technology employs a combination of pretreatment and evaporation to crystalize solids in effluent and produce water for reuse. Once the solids are …

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G Bopp world headquarters in Zürich, Switzerland.

“Swiss precision” is the proud claim made by G Bopp + Co AG, first established in 1881 in Eastern Switzerland. This family business, now into its fourth generation, remains true to its location in Switzerland to this day. Originally manufacturers of coarse wire mesh, the business has transformed over the decades to ever finer woven …

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