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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 ...
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 ...
Influence the size and quality of chips in the pulping
(Univ Federal Santa Maria, 2015-09-01)
The quality of the chips used in pulp production is considered an important factor for the industry operability and quality of the pulp. Desirable chips are those that have little variations in physical and chemical ...
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 ...
Evaluation of pulp and paper properties produced from two new bleaching sequences
(2022-01-01)
The pulp and paper industry is increasingly seeking a sustainable and conscientious development, minimizing the environmental impacts caused by it. Therefore, reducing efficiently the number of stages used in the bleaching ...
Simultaneous production of ethanol and kraft pulp from pine (Pinus radiata) using steam explosion
(ELSEVIER SCI LTD, 1995)
Radiata pine chips (Pinus radiata) were pretreated by steam explosion, for the simultaneous production of ethanol and pulp. Ethanol was produced fr om the depolymerized hemicellulose fraction recovered after the explosion, ...
Influência da densidade básica da madeira de clones de Eucalyptus grandis x Eucalyptus urophylla na qualidade da polpa branqueada.
(Universidade Federal de Santa Maria (UFSM), Centro Pesquisas Florestais, 2007-01-01)
The study analyzed the wood basic density effect in two Eucalyptus grandis x Eucalyptus urophylla hybrid clones (440 kg/m(3) e 508 kg/m(3)) on bleached pulp quality (fiber dimensions and physical-mechanical properties). ...
Influência da densidade básica da madeira de clones de Eucalyptus grandis x Eucalyptus urophylla na qualidade da polpa branqueada.
(Universidade Federal de Santa Maria (UFSM), Centro Pesquisas Florestais, 2007-01-01)
The study analyzed the wood basic density effect in two Eucalyptus grandis x Eucalyptus urophylla hybrid clones (440 kg/m(3) e 508 kg/m(3)) on bleached pulp quality (fiber dimensions and physical-mechanical properties). ...
Quality Evaluation Of Frozen Guava And Yellow Passion Fruit Pulps By Nir Spectroscopy And Chemometrics
(ELSEVIER SCIENCE BVAMSTERDAM, 2016)
Quality Evaluation Of Frozen Guava And Yellow Passion Fruit Pulps By Nir Spectroscopy And Chemometrics
(Elsevier Science BVAmsterdam, 2016)