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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. ...
KRAFT AND KRAFT/AQ PULPING FROM PREHIDROLYZED WOOD OF HYBRID Eucalyptus urophylla x grandis
(Centro Pesquisas Florestais, Ufsm, 2016-10-01)
The wood of the gender Eucalyptus occupies a prominence place among other cellulose sources due to its chemical composition, its low cost, abundance and availability. Among the chemical pulping processes, kraft process is ...
Wood quality for kraft pulping of Eucalyptus globulus origins planted in Uruguay
(2006-12-01)
Eucalyptus globulus is an important raw-material for kraft pulping and has a wide geographical distribution. The objective of this paper was to evaluate E. globulus origins in terms of their wood and pulp properties. The ...
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. ...
Spray Drying Of Pequi Pulp: Process Performance And Physicochemical And Nutritional Properties Of The Powdered Pulp
(Inst Tecnologia ParanaCuritiba, 2016)
A influência dos ácidos hexenurônicos no rendimento e na branqueabilidade da polpa kraft
(Soc Brasileira Quimica, 2014)
Qualidade da madeira e da celulose de um clone de eucalyptus grandis plantado em três locais
(2011-01-01)
Eucalyptus grandis is one of the most popular species to use as raw material for pulp production in Brazil, as it provides excellent pulping, bleaching and papermaking results. The main objective of this study is to examine ...
The performance of Acacia mearnsii De Wild for kraft pulpingPerformance da madeira de Acacia mearnsii De Wild para polpação kraft
(Universidade Federal de Santa Maria, 2022)