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Conference papers
On Increasing Wet-web Strength with Adhesive Polymers, 19PaperCon
On Increasing Wet-web Strength with Adhesive Polymers, 19PaperCon
Conference papers
The Effect Of Felt-Web Structure Interaction On Press Dryness Variability, 19PaperCon
The Effect Of Felt-Web Structure Interaction On Press Dryness Variability, 19PaperCon
Conference papers
Extended Formability of Paperboard by Pre-Compression in Hydro-Based Deep-Drawing, 19PaperCon
Extended Formability of Paperboard by Pre-Compression in Hydro-Based Deep-Drawing, 19PaperCon
Conference papers
Understanding Extensibility of Paper: Role of Fiber Elongation and Fiber Bonding, 19PaperCon
Understanding Extensibility of Paper: Role of Fiber Elongation and Fiber Bonding, 19PaperCon
Conference papers
Primary Fines and their Positive Influence on Energy Consumption during Refining with Regard to Strength Development for Softwood Kraft Pulp, 19PaperCon
Primary Fines and their Positive Influence on Energy Consumption during Refining with Regard to Strength Development for Softwood Kraft Pulp, 19PaperCon
Conference papers
Combined Effect of the Morphology and Rate of Addition of Fine Cellulosic Materials Produced from Chemical Pulp on Paper Properties, 19PaperCon
Combined Effect of the Morphology and Rate of Addition of Fine Cellulosic Materials Produced from Chemical Pulp on Paper Properties, 19PaperCon
Conference papers
Effect of Recycling on the properties of nanocellulose •Barrier and Mechanical Properties, 19PaperCon
Effect of Recycling on the properties of nanocellulose •Barrier and Mechanical Properties, 19PaperCon
Conference papers
Rheological Characterization of Tack and Viscoelasticity of Compositions of Crepe Coating Used in The Yankee Dryer, 19PaperCon
Rheological Characterization of Tack and Viscoelasticity of Compositions of Crepe Coating Used in The Yankee Dryer, 19PaperCon
Conference papers
Lignin Based Resins for High-Pressure Paper Laminates, 19PaperCon
Lignin Based Resins for High-Pressure Paper Laminates, 19PaperCon
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.