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Journal articles
A six-year review of the TAPPI research funding program, TAPPI JOURNAL, April 2000, Vol. 83(4)
A six-year review of the TAPPI research funding program, TAPPI JOURNAL, April 2000, Vol. 83(4)
Journal articles
An Improved method for analyzing resin acid in wood, pulp, process water, and effluent samples, TAPPI JOURNAL, April 2000, Vol. 83(4)
An Improved method for analyzing resin acid in wood, pulp, process water, and effluent samples, TAPPI JOURNAL, April 2000, Vol. 83(4)
Journal articles
Lincoln pulp & paper starts new bleaching process, TAPPI JOURNAL, August 2000, Vol. 83(8)
Lincoln pulp & paper starts new bleaching process, TAPPI JOURNAL, August 2000, Vol. 83(8)
Journal articles
Use of an extremely high specific activity xylanase in ecf and tcf pulp bleaching, TAPPI JOURNAL, August 2000, Vol. 83(8)
Use of an extremely high specific activity xylanase in ecf and tcf pulp bleaching, TAPPI JOURNAL, August 2000, Vol. 83(8)
Journal articles
Guest Editorial: TAPPIâ??s 2013 PEERS Conference: Pulp manufacturing highlights, TAPPI JOURNAL March 2014
Guest Editorial: TAPPI’s 2013 PEERS Conference: Pulp manufacturing highlights, TAPPI JOURNAL March 2014
Journal articles
Coated Papers in Asia Pacific, Paper360º May/June 2014
Coated Papers in Asia Pacific, Paper360º May/June 2014
Journal articles
Magazine articles
Critical parameters for tall oil separation I: The importance of ration of fatty acids to rosin acids, TAPPI Journal September 2019
ABSTRACT: Tall oil is a valuable byproduct in chemical pulping of wood, and its fractions have a large spectrum of applications as chemical precursors, detergents, and fuel. High recovery of tall oil is important for the economic and environmental profile of chemical pulp mills. The purpose of this study was to investigate critical parameters of tall oil separation from black liquor. To investigate this in a controlled way, we developed a model test system using a “synthetic” black liquor (active cooking chemicals OH- and HS- ions), a complete process for soap skimming, and determination of recovered tall oil based on solvent extraction and colorimetric analysis, with good reproducibility. We used the developed system to study the effect of the ratio of fatty acids to rosin acids on tall oil separation. When high amounts of rosin acids were present, tall oil recovery was low, while high content of fatty acids above 60% significantly promoted tall oil separation. Therefore, manipulating the content of fatty acids in black liquor before the soap skimming step can significantly affect the tall oil solubility, and hence its separation. The findings open up chemical ways to improve the tall oil yield.
Journal articles
Magazine articles
TAPPI Journal Summaries, Paper360º September/October 2019
TAPPI Journal Summaries, Paper360º September/October 2019
Journal articles
Trendspotting: sustainability: Science challenges in a environment, Paper360° September 2009 09seppa06
Science Challenges in a Water-Constrained Environment, Paper360º September 2009
Journal articles
NewPageâ??s Rick Willett, Paper360º September 2009
NewPage’s Rick Willett Jr., Paper360º September 2009