Pressure Filter Operational Trouble Shooting

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Recaust Pressure Filter Full Sock Installation Recaust Pressure Filter Full Sock Installation Pressure filtration is used to improve white liquor and weak wash quality in the recausticizing process. There are a few common problems that affect the performance of these filters. McFarlen Engineering has helped many mills “tune” there systems for best results. For additional information and tips to improve … Read More


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  it is important to check inventory and pre-order often overlooked items for the Recausticizing/Lime Kiln Plant.             Trevor Van Bavel, E.I.T. at [email protected] or (604) 818-5598 Jonn McFarlen, P.Eng. at [email protected] or (604) 813-8616

Pre-Coat Drum Filter Operational Trouble Shooting

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Reliable and continual operation of the lime mud pre-coat filter is crucial for efficient lime kiln operations.  McFarlen Engineering has compiled a list of common issues to double check when troubleshooting the operation of the pre-coat drum filter. 1) Over-lime excursion. 2) Purchased lime in the system: a. What is the carbonate test from the purchased truck? b. What are … Read More

McFarlen Engineering saves Kraft Pulp Mill from operational down time, improves pressure filter performance and reduces pressure filter operating cost

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Attention: Mr. Jonn McFarlen, P. Eng.   Dear Mr. McFarlen; Simpson Tacoma Kraft has been operating pressure filters in its recausticizing plant since 1991, utilizing heavy duty polypropylene filter socks supplied by McFarlen Engineering Ltd. for many of those years. Being pleased with the performance of these socks the mill has been reluctant to use anything else. As the old … Read More

Case Study: Eurocan Pulp & Paper in Kitimat, BC, Canada

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ClearFlow™ Feedwell and Bustle Pipe Design Donna Hohertz – Process Specialist Eurocan Pulp & Paper in Kitimat, BC operates two green liquor clarifiers. In late 2004 it was decided #1 green liquor clarifier needed to be replaced. During the construction phase the opportunity arose to use a new ClearFlow™ feed well and bustle pipe system developed by McFarlen Engineering Ltd. … Read More