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Online System For Standardized Pulp Measurements


March 1, 2009
By Pulp & Paper Canada

To optimize and control the pulp and papermaking processes, operators need frequent and fast pulp quality information. According to Lorentzen & Wettre, it is possible with the L&W Pulp Tester …

To optimize and control the pulp and papermaking processes, operators need frequent and fast pulp quality information. According to Lorentzen & Wettre, it is possible with the L&W Pulp Tester to get standardized measurement results online with the same accuracy as in the laboratory.

The L&W Pulp Tester is a comprehensive system for automatic quality control of the pulping process.

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“The system provides reliable and fast fibre measurements. A small measurement gap according to the standard for fibre length measurements secures a perfect alignment of the fibres in the measurement cell, which is unique for online fibre analyzers,” says Hkan Karlsson, product manager for the L&W Pulp Tester.

The system is built up of different modules, for example: fibre morphology (length, width, deformations, fines, etc.) including fully automatic measurement of coarseness; optical properties (brightness, colour, and ERIC 950); and standard freeness (Canadian Standard Freeness and Schopper-Riegler). Shives content and distribution are measured with optical technique and with better statistical significance than ever.

Gravimetrical consistency measurements give a new dimension to many pulp properties besides coarseness.

L&W Pulp Tester can handle up to 10 process samplers and has a cycle time as low as four minutes.

Lorentzen & Wettre Canada Inc. 514-694-4522, lorentzen-wettre.com


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