Baryon spectroscopy

Litchfield, P. J.

doi:10.1007/3-540-15687-9_4

Cited by 2 publications

(3 citation statements)

References 7 publications

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“…The drainage time of the pulp slurry was measured on a modified o SR tester using the method used by previous researchers . The equivalent amount of 2 g (oven dry) pulp from the pulp slurry was brought to a volume of 1 L using cold filtered water to maintain the final temperature of pulp stock at around 20 °C.…”

Section: Methodsmentioning

confidence: 99%

“…The drainage time of the pulp slurry was measured on a modified o SR tester using the method used by previous researchers. [16][17][18][19][20] The equivalent amount of 2 g (oven dry) pulp from the pulp slurry was brought to a volume of 1 L using cold filtered water to maintain the final temperature of pulp stock at around 20 8C. The back (vertical) orifice of the tester was closed using a rubber stopper and the pulp slurry collected in the jar of the tester.…”

Section: Determination Of Pulp Propertiesmentioning

confidence: 99%

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Improving the material efficiency of recycled furnish for papermaking through enzyme modifications

2016

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Fibre fines and fibrils within recycled cellulosic pulp have high amorphous cellulose content. These fines, having a high surface area, restrict the free drainage of water and retain bound water within the pressed sheet but contribute little to the hydrogen bonding potential of the fibre slurry. The advantage of higher freeness, achieved by selective hydrolysis of excess fines through enzymes, can be used for enhancement of the drainage rate, leading to increased paper production. In this study, monocomponent cellulase treatment of recycled pulp for drainage improvement as a result of selective and controlled hydrolysis is investigated. The effectiveness of specific types of enzyme activity, endoglucanase or cellobiohydrolase, is studied. The increased solubilization of amorphous cellulose mediated by endoglucanase treatments improved pulp drainability by 11–25 %, along with providing better paper properties such as tensile index and smoothness.

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Section: Methodsmentioning

confidence: 99%

Section: Determination Of Pulp Propertiesmentioning

confidence: 99%

Improving the material efficiency of recycled furnish for papermaking through enzyme modifications

2016

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“…The drainage time for 400 mL, 600 mL and 800 mL of pulp slurry was examined following modified Schopper-Riegler tester. 57 Bauer McNett fiber classification of pulps was carried out according to TAPPI T 233 cm-06. The brightness (%ISO) of the BMHW was measured following ISO 2470.…”

Section: Characterization Of Pulpsmentioning

confidence: 99%

Application of polysaccharide based modified ground calcium carbonate in wet‐end of papermaking

Chatterjee,

Negi,

Janbade

et al. 2023

J of Applied Polymer Sci

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To enhance the ash in paper without reducing its strength property, ground calcium carbonate (GCC) filler was modified using polysaccharide prior to its addition at wet‐end of papermaking. Till now, modification of GCC filler using chitosan acetate (CH.A) is not explored. The novelty lies in showing the effect of CH.A as GCC filler modifier and its application in papermaking. The results showed that ash of paper get increased by around 18%, 53% and 63% after adding GCC modified using cationic starch (C.S) @ 20 kg/t of GCC, CH.A @ 5 kg/t of GCC and CH.A @ 10 kg/t of GCC respectively, in comparison to that attained by paper using unmodified GCC at the same dose at wet‐end of papermaking. The breaking length, burst factor and tear factor of paper having 11% ash (made using unmodified GCC) was found to be 2485 m, 21.73 and 47.63, respectively. The paper having 18% ash (made using GCC modified by CH.A 10 kg/t of GCC) showed breaking length, burst factor and tear factor as 2364 m, 22.24 and 46.72, respectively. This approach of using CH.A in papermaking will help the papermaker to improve profit and quality of paper.

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Baryon spectroscopy

Cited by 2 publications

References 7 publications

Improving the material efficiency of recycled furnish for papermaking through enzyme modifications

Improving the material efficiency of recycled furnish for papermaking through enzyme modifications

Application of polysaccharide based modified ground calcium carbonate in wet‐end of papermaking

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