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Temperature and effective alkali effect on brown pulp kraft cooking
(2021-01-01)
One way to obtain high quality pulp production is to improve selectivity delignification of step, maximize yield. Brown pulp yield and chemical composition were studied, with variation of temperature and effective alkali ...
A influência dos ácidos hexenurônicos no rendimento e na branqueabilidade da polpa kraft
(Soc Brasileira Quimica, 2009-01-01)
This study investigated the impact of pulp hexenuronic acids (HexAs) content on pulping yield by changing cooking reaction temperature. The bleachability of pulps containing variable amounts of HexAs was also investigated. ...
Otimização do cozimento kraft para produção de celulose a partir de madeiras de Eucalyptus globulus com diferentes teores de lignina
(Universidade Federal de Santa MariaBrasilRecursos Florestais e Engenharia FlorestalUFSMPrograma de Pós-Graduação em Engenharia FlorestalCentro de Ciências Rurais, 2002-07-04)
In this research, it was optimized the kraft pulping for pulp production
using Eucalyptus globulus woods with two different lignin contents.
Seventy-two laboratory cooking were made with wood chips obtained from
six ...
A influência dos ácidos hexenurônicos no rendimento e na branqueabilidade da polpa kraft
(Soc Brasileira Quimica, 2009-01-01)
This study investigated the impact of pulp hexenuronic acids (HexAs) content on pulping yield by changing cooking reaction temperature. The bleachability of pulps containing variable amounts of HexAs was also investigated. ...
EFFECT OF KRAFT PULPING TEMPERATURE AND ALKALINITY ON EUCALYPTUS ECF BLEACHING
(Editura Acad Romane, 2016-10-01)
The effects of eucalyptus kraft pulping conditions on subsequent bleaching were investigated. Three samples of industrial eucalyptus chips underwent haft pulping with different alkalinities and hexenuronic acid (HexA) ...
A influência dos ácidos hexenurônicos no rendimento e na branqueabilidade da polpa kraft
(Soc Brasileira Quimica, 2014)
Influência da qualidade da madeira de eucalipto e dos processos de polpação Kraft Convencional e Compact Cooking TM na performance da linha de fibras e propriedades da polpa celulósicaInfluence of eucalyptus wood quality and the Kraft Conventional and Compact Cooking TM pulping processes on the fiber line performance and pulp properties
(Universidade Federal de Viçosa, 2022)
Estudos da polpação kraft, branqueamento e refino de eucalyptus grandis x eucalyptus urophylla
(Universidade Estadual Paulista (Unesp), 2015-07-28)
The eucalyptus kraft industry in Brazil has great importance for the sectors economy. The alkali charge and temperature parameters must be controlled during the kraft pulping and optimized in order to obtain high quality ...
Métodos alternativos para aproveitamentos das hemiceluloses da madeira de eucalipto na indústria de celulose kraftAlternative methods for using eucalyptus wood hemicelluloses in the kraft cellulose industry
(Universidade Federal de ViçosaBRManejo Florestal; Meio Ambiente e Conservação da Natureza; Silvicultura; Tecnologia e Utilização deMestrado em Ciência FlorestalUFV, 2015)