Scheibler polishing filters from Larox offer a totally unique way of producing ultra clean filtrates

Larox Corporation
Trevor Sparks

By Trevor Sparks, Business Manager, Larox Corporation

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LAPPEENRANTA, FINLAND - September 20, 2005 - A totally unique adsorption process from Larox produces the clearest possible filtrates at the absolute minimum cost as there are no moving parts to the filter and the operation is totally automatic.

Although Fritz Scheibler built his first tank filter for machine coolant back in 1872, the technology is as valid today as it was then and the range of applications continues to expand. Over a century later, the technology continued to evolve and diversified into electrolyte filtration, eventually commanding over 50 percent of that market.

Today, under the guidance of Larox and with ongoing product development, the Scheibler polishing filter has become the most effective liquid polishing technology available for large capacity flows where very low residual solids are required and its application has broadened into many areas of the chemical process industries due to the unbeatable clarity of filtrates that can be achieved.

Scheibler polishing filters remove and recover solids present in low concentrations from a wide variety of process liquids. The quality of the resulting filtrate increases production capacity and the quality of plant end products.

In the chemical industry Scheibler polishing filters excel in all forms of brine polishing applications but are now finding wide acceptance in processes as diverse as boric acid, chlor-alkali, soda ash waste, white industrial minerals for pigments including titanium dioxide, kaolin and precipitated calcium carbonate, green liquor in kraft pulp mills, scrubber streams and process waste water.

Scheibler filters can also be used in conjunction with Larox C and DS series pressure filters and Pannevis vacuum belt filters for filtrate clarification with 100% solids recovery.

Effective and Economical

Based on the principal of adsorption filtration and constructed to an advanced filter design, Scheibler polishing filters cost-effectively reduce suspended solids to very low levels of single parts per million (ppm) in the filtrate exiting the unit for the following reasons:

  • Filter aids are rarely necessary, thereby reducing operating costs
  • Highly effective cloth cleaning maximizes cloth life
  • Reduced maintenance as a result of no moving parts
  • Low energy requirements reduce operating costs
  • Fully automatic operation eliminates frequent supervision
  • High unit capacity reduces the required number of units
  • Compact construction minimizes the required space
  • Manufactured in materials resistant to highly corrosive solutions and high temperatures

Available in 4 different size and configuration types, Scheibler polishing filters from Larox have filtration areas ranging from 30 – 720 m2 and can handle flows up to 600 m3/hr.

Scheibler polishing filter from Larox
Scheibler polishing filter from Larox

Trevor Sparks

Author Information - Trevor Sparks

Business Manager

Dr Trevor Sparks
PhD
Food, Pharma and Biotech

Trevor Sparks, with a PhD from the Cranfield Biotechnology Centre, worked for a number of years in Fluid Engineering Research and Development before joining Larox. After initially being based in the UK, he moved to Finland during 2002 in order to be located at the Headquarters.

Since last year's acquisition by Larox of several new Solid/ Liquid Separation technologies he has been responsible for the development of Larox's business in Food, Pharmaceuticals and Biotechnology, with activities including Marketing and Product Development. Larox is poised to grow its business significantly in this market due to the unique collection of technologies and the unique approach to providing solutions to problems to make customer's processes more competitive.

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