Indústria de celulose pré-engenharia de um parque de madeiras [PDF]
, 2008 Mestrado em Engenharia QuímicaO objectivo do presente trabalho é realizar a pré-engenharia básica de uma nova linha de preparação de madeira de uma fábrica de pasta Kraft.
Linhares, Filipa Isabel Martins
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POLPAÇÃO KRAFT E KRAFT/AQ DA MADEIRA PRÉ-HIDROLISADA DE HÍBRIDO DE Eucalyptus urophylla x grandis
Ciência Florestal, 2016 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.
Rafael dos Santos +4 more
doaj
Carbohydrate degradation and dissolution during Kraft cooking : Modelling of kinetic results [PDF]
, 2008 Chemical pulp fibres from wood are commonly used in products associated with packaging as well as with printing and writing. The prevalent way of liberating fibres is by subjecting wood chips to Kraft cooking.
Johansson, Dan
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EFEITO DA QUALIDADE DA MADEIRA NO DESEMPENHO DA POLPAÇÃO KRAFT
Ciência Florestal, 2014 The aim of this study was to evaluate the wood quality in the kraft pulping performance under two different pulping conditions at two delignification degrees based on results for the yield, brightness, viscosity, and k/ kappa corrected index.
Danila Morais de Carvalho +2 more
doaj
Xylan reactions in kraft cooking and their influence on paper sheet properties [PDF]
, 2006 Xylan is the main hemicellulose in birch, eucalyptus, and most other hardwood species. During kraft pulping a series of chemical reactions and physical processes involving xylan take place.
Danielsson, Sverker
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Evaluation of Tea Wastes in Usage Pulp and Paper Production
BioResources, 2015 The objective of this study was to characterize the properties of pulp and paper produced from tea (Camellia sinensis) wastes, an agricultural residue widely available in Turkey, using the kraft-anthraquinone (AQ) cooking method.
Ahmet Tutuş +2 more
doaj +1 more source
Aspects of extended impregnation kraft cooking for high-yield pulping of hardwood [PDF]
, 2012 The long-term trend regarding wood is an increase in price. Because wood contributes to a large part of production costs, the efficient utilisation of wood is greatly desired to reduce production costs for kraft pulp producers.
Wedin, Helena
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The influence of cooking conditions on the bleachability and chemical structure of kraft pulps [PDF]
, 1999 The purpose of this investigation was primarily td investigate how variations in cooking conditions in the kraft pulping of softwood influence the subsequent bleaching, and secondly to study the relationship between the bleaching response and the ...
Al-Dajani, Wafa, +2 more
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Lipophilic extractives from Eucalyptus globulus pulp during kraft cooking followed by TCF and ECF bleaching [PDF]
, 2001 E-mail address: delrio@irnase.csic.es (J.C. del Río)The chemical composition of lipophilic extractives in paper pulps from Eucalyptus globulus wood during kraft cooking followed by TCF (“totally chlorine free”) and ECF (“elemental chlorine free ...
Romero Sánchez, Javier +2 more
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Anti-scaling agents in kraft pulping
BioResources, 2007 Scale formation in the digester during kraft pulping represents a great problem in pulp mills. Scaling reduces pulping control and efficiency, increasing energy costs and leading to cleaning breakdowns, with subsequent losses in productivity.
Felissia, F. E. +3 more
doaj