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Modeling of the energy of a smelt-water explosion in the recovery boiler dissolving tank, TAPPI Journal August 2020

ABSTRACT: The explosion energy generated as molten smelt droplets interact with water was evaluated as a function of smelt distribution, water temperature, and smelt temperature using a thermodynamic model. The results show that increasing smelt-to-water volume ratio and water temperature significantly increases the explosion energy, converting a larger proportion of the thermal energy of smelt into mechanical work. To reduce the chance of violent smelt-water explosions, it is important to: i) optimize the shatter jet design and operation to uniformly distribute the smelt over a large area in the dissolving tank; ii) avoid high green liquor temperature and ensure adequate liquor mixing; and iii) avoid upsets that may cause heavy smelt runoff or jellyroll smelt.

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Open Access
Factors affecting particulate removal efficiency of kraft recovery boiler electrostatic precipitators: a technical review, TAPPI JOURNAL May 2018

Factors affecting particulate removal efficiency of kraft recovery boiler electrostatic precipitators: a technical review, TAPPI JOURNAL May 2018

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Magazine articles
Open Access
Dry chip feedrate control using online chip moisture, TAPPI JOURNAL May 2018

Dry chip feedrate control using online chip moisture, TAPPI JOURNAL May 2018

Journal articles
Magazine articles
Open Access
Editorial: New lignocellulosics address consumer expectations and industry prosperity, TAPPI JOURNAL February 2018

Editorial: New lignocellulosics address consumer expectations and industry prosperity, TAPPI JOURNAL February 2018

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Magazine articles
Open Access
Activated carbon from potassium hydroxide spent liquor lignin using phosphoric acid, TAPPI JOURNAL February 2018

Activated carbon from potassium hydroxide spent liquor lignin using phosphoric acid, TAPPI JOURNAL February 2018

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Magazine articles
Open Access
Oil absorption and desorption by polypropylene fibers, TAPPI

Oil absorption and desorption by polypropylene fibers, TAPPI JOURNAL September 2017

Journal articles
Magazine articles
Open Access
Three-dimensional pore structure visualization and character

Three-dimensional pore structure visualization and characterization of paper using X-ray computed tomography, TAPPI JOURNAL September 2017

Journal articles
Magazine articles
Open Access
Effect of surface treatment with biodegradable materials on

Effect of surface treatment with biodegradable materials on properties of linerboard made from old corrugated containers (OCC), TAPPI Journal September 2017

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Magazine articles
Open Access
Editorial: In praise of challenging papers

Editorial: In praise of challenging papers, and those who review them, TAPPI JOURNAL August 2015

Journal articles
Magazine articles
Open Access
Recycling performance of softwood and hardwood unbleached kraft pulps for packaging papers, TAPPI Journal February 2023

ABSTRACT: The scope of this work is to evaluate the recyclability potential of hardwood and softwood unbleached kraft pulps, leading to a sound basis for comparison and even to support a decision about fibers accord-ing to the performance achieved. The influence of successive recycling cycles (up to 10 cycles) on the fiber morphol-ogy, pulp suspension drainability, water retention capacity, and handsheet mechanical properties were studied for Eucalyptus globulus and Pinus sylvestris unbleached kraft pulps. The performance of these pulps as linerboard and corrugating medium for packaging was also evaluated. The requirements for brown kraftliner and for high perfor-mance recycled fluting grades is preserved for E. globulus pulp during all 10 recycling cycles, evidenced by the mod-erate decrease of burst index and crush resistance index and by the short-span compression index, whereas the P. sylvestris pulp loses this rating after the second cycle. These results strongly support the higher performance of E. globulus pulp for recycling as compared with softwood kraft pulp from the perspective of packaging papers.

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