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Journal articles
Open Access
Editorial: Advances in Pulp Manufacture: A review of the 2012 PEERS Conference, TAPPI JOURNAL February 2013

Editorial: Advances in Pulp Manufacture: A review of the 2012 PEERS Conference, TAPPI JOURNAL February 2013

Journal articles
Open Access
Guest Editorial: TAPPI Journal showcases the best of PEERS 2012, TAPPI JOURNAL July 2013

Guest Editorial: TAPPI Journal showcases the best of PEERS 2012, TAPPI JOURNAL July 2013

Journal articles
Magazine articles
Open Access
Evaluation of soap recovery efficiency from black liquor — analytical tools, TAPPI Journal April 2023

ABSTRACT: Soap skimmings (“soap”) are typically recovered from black liquor in kraft mills that process a high percentage of softwood. In many mills, the recovery of soap is inefficient, negatively impacting performance of evaporators and recovery boilers and resulting in loss of potential revenue. A thorough evaluation of soap recovery performance in a kraft mill requires measurement of soap content in black liquor at various sampling locations, especially around the soap skimmer.The standard laboratory method for evaluating soap content in black liquor is a complex, multi-step process that relies on solvent extraction and titration; most mills send these samples to an outside laboratory for this analysis. In this study, 100 black liquor samples, with a wide range of soap concentrations, were tested by the standard solvent extraction method. After additional dilution, each sample was also tested for surface tension with a bubble pressure tensiometer. The results were found to correlate very closely with the solvent extraction tests results. This alternate method, using surface tension measurements of diluted black liquor samples, produces rapid results and can be easily implemented in most kraft mills, which would facilitate much more frequent in-house evaluations of soap recovery performance.

Journal articles
Lubricating Spherical Roller Bearings in the Dryer Section, Frontline Focus, Volume 7, Issue 1

Frontline Focus, January 2011

Journal articles
Hydraulic leaks costing you money?, Frontline Focus, Volume 7, Issue 3

Frontline Focus, March 2011

Journal articles
Design change leads to boiler fan problems, Frontline Focus, Volume 7, Issue 4

Frontline Focus, April 2011

Journal articles
Fibrous Paper Particulate Poses Serious Health Risks, Frontline Focus, Volume 7, Issue 5

Frontline Focus, May 2011

Journal articles
Think you are energy efficient? Frontline Focus, Volume 7, Issue 9

Frontline Focus, October 2011

Journal articles
2011 Global Industry Outlook: An Economic and Financial Perspective, Paper360° January/February 2011

2011 Global Industry Outlook - An Economic and Financial Perspective, Paper360º January/February 2011

Journal articles
The Water Stewardship Strategy, Paper360° July/August 2011

The Water Stewardship Strategy, Paper360º July/August 2011

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