Method of monitoring macrostickies in a recycling and paper or tissue making process involving recycled pulp
A challenge in using recycled material in the papermaking process is the presence of hydrophobic organics with adhesive properties commonly known as ''stickies, '' Hydrophobic agglomerates can result in spots or defects in the final paper product or deposit on papermaking equipme...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
16.01.2013
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Subjects | |
Online Access | Get full text |
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Abstract | A challenge in using recycled material in the papermaking process is the presence of hydrophobic organics with adhesive properties commonly known as ''stickies, '' Hydrophobic agglomerates can result in spots or defects in the final paper product or deposit on papermaking equipment resulting in poor runnability and downtime. Technologies for monitoring and controlling microstickies exist. However, a need exists for a technique to rapidly determine the size and content of macrostickies (diameter > 100 microns) in recycled pulp process streams. The present invention is a device and method to perform real-time macrostickies and/or any visible hydrophobic particle analysis in an aqueous medium. Using the present invention, furnish quality can be monitored and treatment performance can be monitored and controlled. The technique is based on fluorescence image analysis to identify and count sticky particles as well as measure their size. |
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AbstractList | A challenge in using recycled material in the papermaking process is the presence of hydrophobic organics with adhesive properties commonly known as ''stickies, '' Hydrophobic agglomerates can result in spots or defects in the final paper product or deposit on papermaking equipment resulting in poor runnability and downtime. Technologies for monitoring and controlling microstickies exist. However, a need exists for a technique to rapidly determine the size and content of macrostickies (diameter > 100 microns) in recycled pulp process streams. The present invention is a device and method to perform real-time macrostickies and/or any visible hydrophobic particle analysis in an aqueous medium. Using the present invention, furnish quality can be monitored and treatment performance can be monitored and controlled. The technique is based on fluorescence image analysis to identify and count sticky particles as well as measure their size. |
Author | MURCIA, MICHAEL J BROTHERSON, BRETT DRASEK, WILLIAM A. VON SHEVCHENKO, SERGEY M |
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Snippet | A challenge in using recycled material in the papermaking process is the presence of hydrophobic organics with adhesive properties commonly known as... |
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SubjectTerms | APPARATUS THEREFOR INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PAPER-MAKING PHYSICS PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TESTING TEXTILES |
Title | Method of monitoring macrostickies in a recycling and paper or tissue making process involving recycled pulp |
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