TCF Short-Sequence Bleaching of Pinus Kesiya Pulp Made by Low-Temperature Kraft Pulping

Yang Chen; Jie He; Heng Zhang

doi:10.4028/www.scientific.net/AMR.396-398.2188

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 396-398TCF Short-Sequence Bleaching of Pinus Kesiya Pulp...

TCF Short-Sequence Bleaching of Pinus Kesiya Pulp Made by Low-Temperature Kraft Pulping

Abstract:

In this paper, the TCF short-sequence bleaching (OQPaP) of pinus kesiya pulp from low-temperature kraft pulping with kappa number of 21.32 and viscosity of 1194mL•g^-1 (the maximum pulping temperature was only 150°C) was optimized. Under the optimum bleaching condition, the bleached pulp properties of low-temperature kraft pulp were as follows: yield 93.1%, brightness 85.31% ISO, kappa number 1.02, viscosity 751mL•g^-1 and PC number 0.28. And physical properties of handsheet (after beating to 45oSR) were as follows: breaking length 5.41km, bursting index 3.48kPa•m²•g^-1, tearing index 8.4mN•m²•g-1, and folding endurance 146 times.

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Periodical:

Advanced Materials Research (Volumes 396-398)

Pages:

2188-2192

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.396-398.2188

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Online since:

November 2011

Authors:

Yang Chen, Jie He, Heng Zhang

Keywords:

Pinus kesiya, TCF Bleaching, Viscosity

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