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Low-temperature precausticizing — a hopeful approach for green liquor desilication, TAPPI JOURNAL February 2017

Low-temperature precausticizing — a hopeful approach for green liquor desilication, TAPPI JOURNAL February 2017

Journal articles
Magazine articles
Open Access
Understanding conductivity and soda loss

Understanding conductivity and soda loss

Journal articles
Magazine articles
Open Access
Estimating limits of wet pressing on paper machines, TAPPI JOURNAL February 2017

Estimating limits of wet pressing on paper machines, TAPPI JOURNAL February 2017

Journal articles
Magazine articles
Open Access
Removal of silicon from green liquor with low-temperature precausticizing, TAPPI JOURNAL January 2017

Removal of silicon from green liquor with low-temperature precausticizing, TAPPI JOURNAL January 2017

Journal articles
Magazine articles
Open Access
Reduction of alkali loss in an ash leaching system, TAPPI J

Reduction of alkali loss in an ash leaching system, TAPPI JOURNAL July 2017

Journal articles
Magazine articles
Open Access
Size distribution analysis of microstickies treated by enzyme mixtures in papermaking whitewater, TAPPI Journal March 2019

ABSTRACT: Microstickies present a formidable challenge for papermakers. Many strategies have been explored o control them. Enzyme treatment is a promising technology, but the mechanism of its action has not been determined, thus inhibiting further application of this new technology. This study investigated characteristics and size distributions of microstickies treated by esterase-cellulase mixtures. Determination of particle size and number was accomplished using a modified flow cytometer, which combined streaming capillary flow, laser-based particle size analysis and fluorescent dye tracing. The results showed that treatment of samples with enzyme mixtures induced size reduction of the larger microstickies. This effect was most dramatic for 1:1 ratios of esterase to cellulase. The treated particles were more stable than untreated ones. The smaller microstickies treated with some ratios of esterase and cellulase tended to aggregate over time.

Journal articles
Magazine articles
Open Access
Discrete element method to model cracking for two layer systems, TAPPI Journal February 2019

Discrete element method to model cracking for two layer systems, TAPPI Journal February 2019

Journal articles
Magazine articles
Open Access
Improving the inkjet codability of folding boxboard, TAPPI Journal February 2019

Improving the inkjet codability of folding boxboard, TAPPI Journal February 2019

Journal articles
Magazine articles
Open Access
Graft copolymerization of acrylic acid of kraft lignin to enhance aniline adsoprtion from aqueous solution, TAPPI JOURNAL January 2019

Graft copolymerization of acrylic acid of kraft lignin to enhance aniline adsoprtion from aqueous solution, TAPPI JOURNAL January 2019

Journal articles
Magazine articles
Open Access
Measurement of the dynamics of fluid sorption for tissue papers, TAPPI Journal July 2019

ABSTRACT: Liquid absorption ability belongs to the most important features of tissue papers. Due to non-homo-geneous internal and superficial structures, precise and fast evaluation of this property is challenging. The main aim of the presented research was to design an experimental device dedicated to the measurement of the kinetics of wetting phenomenon for tissue papers. The second aim was to evaluate whether it was possible to use image analysis for more precise characterization of liquid absorption properties of tissue paper. The obtained results showed that the method used, based on image analysis supported by gravimetric methods, proved to efficiently and quantitatively characterize the dynamics of liquid absorption for tissue papers. Supplementary parameters such as absorption anisotropy and in-plane velocity were obtained. Different experi-mental results were obtained for various tissue paper grades. Furthermore, water absorption capacity calculated from image analysis data correlated with results obtained according to the standard method EN ISO 12625-8:2010 “Tissue paper and tissue products—Part 8: Water-absorption time and water-absorption capacity, basket-immersion test method.” Hence, the presented device quantitatively characterizes and discriminates water absorption phenom-enon for tissue papers.

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