[PDF] Top 20 Characterization of cypress wood for kraft pulp production

... samples of Cupressus arizonica, ...and pulp characteristics as raw material for pulp ...and wood samples were taken at a height of 2 m. Wood chips from Pinus pinaster (Portugal) ... See full document

... two wood species that could play a role in the Portuguese forest as raw material for the paper industry: Cupressus arizonica and Cupressus ...behaviour of wood samples taken from 16 year-old trees, ... See full document

... The wood from these crops is used for diverse purposes, such as panel production (BAL;BEKTAŞ, 2014), energy (ZANUNCIO et ...cellulose pulp (OKAN et ...performance of this ... See full document

... The wood of the gender Eucalyptus occupies a prominence place among other cellulose sources due to its chemical composition, its low cost, abundance and ...processes, kraft process is the most ... See full document

... the wood raw-material in the pulp and paper ...the pulp beating process ...penetration of liquid to the empty spaces of the fibre wall (Young, ...suitability of a fibrous ... See full document

... debarking of wood for pulp in a pulp and paper manufacturing- company in Rio Grande do Sul ...(1) characterization of time’s utilization; (2) quantifying of the ... See full document

... CHEMICAL CHARACTERIZATION OF PITCH IN Eucalyptus PULP AND PAPER ...analysis of the acetone, chloroform, toluene and methanol extracts of a pitch sample was carried out by IR and GC-MS, ... See full document

... Eucalyptus urophylla is used for the production of plywood (Almeida et al., 2004; Guimarães JR et al., 2012), agglomerates (Mendes et al., 2014), cement-wood panels (Mendes et al., 2011), LVL ... See full document

... detection of feedstock variations in a continuous pulp digester were studied by Dufour et ...(2005). Wood chip moisture content and densities and alkali and sulfidity in the white liquor were modeled ... See full document

... opposite wood (OW) of Eucalyptus globulus trees were analyzed for its chemical characteristics and Kraft pulp ...formation of β-O-4 bonds that was also higher in TW than in OW (84% ... See full document

... ABSTRACT: Wood of 12 species occurring in gallery forest in the Midwest of Brazil were ...fraction of fibers, parenchymatic cells, vessel elements, percentage of fibers, parenchyma and ... See full document

... the pulp and paper industry in ...bamboo kraft pulp was compared with a bleached softwood kraft pulp (NBSK) as the reinforcement pulp in fine paper ...refining of pure ... See full document

... hydrolysis of acetyl groups either in xylan of hardwood or in galactoglucomannans of softwood, thus lowering the pH to 3 to ...hydrolysis of the wood components and a reduction ... See full document

... This project would not became true if it wasn’t for my old friend and supervisor Leandro. He also believed in me, even when I decided to have a second occupation as Math teacher. I met him not long after I came back to ... See full document

... definition of site classes (S) per plot was obtained (Equation 4), adopting 60 months as the age index ...diameter of the central diameter class; h, hdom, S, Ii, hc, dg and d = as previously defined, ln = ... See full document

... structure of nanoparticles and to conclude about the iron oxide species present in the ...existence of 6 characteristic peaks of iron oxide NPs for 2θ angles of: ...values of 2θ, the ... See full document

... effect of reaction time between 0 and 60 min on the production yields was determined for the reaction with ...conversion of the pulp sheet and the yields of HMF and furfural at ... See full document

... improving of ozone bleaching can be solved by use of efficient catalytic systems such as polyoxometalates ( POM s), which have a wide application as versatile green catalysts for liquid-phase oxidation ... See full document

... because of its low drying time. The physical properties of the pellets and briquettes comply with most of the standards established for these ...stress of the pellets was significantly ... See full document

... Neste trabalho foi usada madeira de Eucalyptus globulus com 18 anos para estudar a influência do cerne e do borne na deslenhificação kraft (170ºC) ao longo de vários tempos de reacção (1 a 95 min). As fracções ... See full document