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Journal articles
Open Access
Characterization of thin pigment coating layers produced by foam coating, TAPPI JOURNAL July 2014

Characterization of thin pigment coating layers produced by foam coating, TAPPI JOURNAL July 2014

Journal articles
Open Access
Co-cooking moso bamboo with hardwoods, TAPPI JOURNAL June 2014

Co-cooking moso bamboo with hardwoods, TAPPI JOURNAL June 2014

Journal articles
Open Access
Co-cooking nonwoods with hardwoods, TAPPI JOURNAL June 2014

Co-cooking nonwoods with hardwoods, TAPPI JOURNAL June 2014

Journal articles
Open Access
Chemical and morphological characterization of sugar cane bagasse, TAPPI JOURNAL June 2014

Chemical and morphological characterization of sugar cane bagasse, TAPPI JOURNAL June 2014

Journal articles
Open Access
Production of printing and writing paper grade pulp of sugar cane bagasse, TAPPI JOURNAL June 2014

Production of printing and writing paper grade pulp of sugar cane bagasse, TAPPI JOURNAL June 2014

Journal articles
Open Access
Guest Editorial: TAPPIâ??s 2013 PEERS Conference: Pulp manufacturing highlights, TAPPI JOURNAL March 2014

Guest Editorial: TAPPI’s 2013 PEERS Conference: Pulp manufacturing highlights, TAPPI JOURNAL March 2014

Journal articles
Open Access
Comparison of cooking technologies for production of softwood kraftliner pulp, TAPPI JOURNAL March 2014

Comparison of cooking technologies for production of softwood kraftliner pulp, TAPPI JOURNAL March 2014

Journal articles
Open Access
Generalized steady-state stoichiometric models for chlorine dioxide brightening stages for softwood kraft pulps, TAPPI JOURNAL March 2014

Generalized steady-state stoichiometric models for chlorine dioxide brightening stages for softwood kraft pulps, TAPPI JOURNAL March 2014

Journal articles
Open Access
Production of a pure lignin product, part 1: Distribution and removal of inorganics in Eucalyptus globulus kraft lignin, TAPPI JOURNAL March 2014

Production of a pure lignin product, part 1: Distribution and removal of inorganics in Eucalyptus globulus kraft lignin, TAPPI JOURNAL March 2014

Journal articles
Magazine articles
Open Access
Kraft pulp bleaching with a P-stage catalyzed by both bicarbonate and TAED, TAPPI Journal July 2019

ABSTRACT: Peroxide bleaching of softwood and hardwood (eucalypt) kraft pulps was performed in solutions of sodium bicarbonate (NaHCO3), sodium carbonate (Na2CO3), and sodium hydroxide (NaOH). The conventional P stage (hydrogen peroxide + sodium hydroxide; H2O2 + NaOH) was the most effective brightening system without an additional activator. However, peroxide activation by bicarbonate anion (HCO3•) was obvious in all cases where NaHCO3 or Na2CO3 was used. When N,N,N’,N’-tetraacetylethylenediamine (TAED) was added to the bleaching sys-tem, Na2CO3 as the alkali source afforded equal or slightly higher bleached brightness compared to NaOH usage for both the softwood and hardwood pulps. This outcome is attributed to simultaneous peroxide activation by HCO3• and TAED. When applied to the eucalypt pulp, the H2O2/Na2CO3/TAED bleaching system also decreased the bright-ness loss due to thermal reversion.

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