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Journal articles
Open Access
Experience with water system closure at recycled paperboard mills, TAPPI JOURNAL, March 1996, Vol. 79(3)

Experience with water system closure at recycled paperboard mills, TAPPI JOURNAL, March 1996, Vol. 79(3)

Journal articles
Open Access
Weighting function for the calculation of iso brightness, TAPPI JOURNAL, March 1996, Vol. 79(3)

Weighting function for the calculation of iso brightness, TAPPI JOURNAL, March 1996, Vol. 79(3)

Journal articles
Open Access
New urethane prepolymer immobilized fungal bioreactor for decolorization and dechlorination of kraft bleach effluents, TAPPI JOURNAL, May 1996, Vol. 79(5)

New urethane prepolymer immobilized fungal bioreactor for decolorization and dechlorination of kraft bleach effluents, TAPPI JOURNAL, May 1996, Vol. 79(5)

Journal articles
Open Access
The effect of pulp fiber properties on the In-plane tearing work of paper, TAPPI JOURNAL, May 1996, Vol. 79(5)

The effect of pulp fiber properties on the In-plane tearing work of paper, TAPPI JOURNAL, May 1996, Vol. 79(5)

Journal articles
Open Access
Physical and optical properties of steam-exploded laser-printed paper, TAPPI JOURNAL, May 1996, Vol. 79(5)

Physical and optical properties of steam-exploded laser-printed paper, TAPPI JOURNAL, May 1996, Vol. 79(5)

Journal articles
Open Access
A world of coatings, TAPPI JOURNAL, May 1996, Vol. 79(5)

A world of coatings, TAPPI JOURNAL, May 1996, Vol. 79(5)

Journal articles
Open Access
Shanghai china paperboard upgrade - a success story, TAPPI JOURNAL, May 1996, Vol. 79(5)

Shanghai china paperboard upgrade - a success story, TAPPI JOURNAL, May 1996, Vol. 79(5)

Journal articles
Open Access
Effect of feed construction on the efficiency of pressure screening, TAPPI JOURNAL, November 1996, Vol. 79(11)

Effect of feed construction on the efficiency of pressure screening, TAPPI JOURNAL, November 1996, Vol. 79(11)

Journal articles
Open Access
The effect of thermal mass and peak pressure on energy transfer in impulse drying, TAPPI JOURNAL, November 1996, Vol. 79(11)

The effect of thermal mass and peak pressure on energy transfer in impulse drying, TAPPI JOURNAL, November 1996, Vol. 79(11)

Journal articles
Magazine articles
Open Access
Furnishing autohydrolyzed poplar weakly alkaline P-RC APMP to make lightweight coated base paper, TAPPI Journal February 2022

ABSTRACT: This work investigated the effects of autohydrolysis pretreatment severity on poplar (Populus tomentosa Carr.) woodchips used to make a type of high-yield pulp (HYP) known as preconditioning followed by refiner chemical treatment, alkaline peroxide mechanical pulp (P-RC APMP). It also investigated the ratios for partially replacing sodium hydroxide (NaOH) with magnesium oxide (MgO) in the high-consistency (HC) retention stage of the P-RC APMP process on the obtained HYP’s properties. The results show that the pretreatment severity of autohydrolysis at combined hydrolysis factor (CHF) = 10.77 and the 50 wt% ratio for partially substituting NaOH with MgO were the optimum conditions for making light-weight coated (LWC) base paper. Compared to the conventional P-RC APMP, the optimized P-RC APMP had similar bulk and higher tensile, burst, and tear indices, as well as opacity, but a slightly lower ISO brightness. When the optimized P-RC APMP and commercial softwood bleached sulfate pulp (SBKP) were blended to make LWC base paper, the most favorable pulp furnish was comprised of 50% optimized P-RC APMP and 50% commercial SBKP. The obtained LWC base paper handsheet had better bulk, and its other properties could also meet the require-ments of LWC base paper.

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