Kraft pulp
REPLACEMENT OF SOFTWOOD KRAFT PULP WITH ECF-BLEACHED BAMBOO KRAFT PULP IN FINE PAPER
... bamboo kraft pulp required much less refining than the NBSK pulp to reach a target water retention value ...bamboo kraft to achieve a tensile index similar to that of the NBSK, using the same ...
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Kraft pulp bleaching with molybdenum activated acid peroxide (PMo stage).
... KRAFT PULP BLEACHING WITH MOLYBDENUM ACTIVATED ACID PEROXIDE (P Mo ...eucalyptus kraft pulp were 90 ºC, pH ...bleached pulp of 90% ...
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Effect of xylanases on peroxide bleachability of eucalypt (E.globulus) kraft pulp
... The fate of HexA during xylanase-aided three-stage peroxide bleaching of E. globulus kraft pulp is shown in Table 3 and Fig. 4. As evident, the HexA content was substantially reduced after enzymatic ...
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New highly efficient method of polyoxometalate (POM) catalyzed ozone bleaching of industrial eucalypt (E. globulus) kraft pulp
... Abstract. The highly efficient and selective environmentally benign bleaching approach using polyoxometalate (POMs) catalyzed ozonation of chemical pulps in organic solvent reaction media has been developed. The ...
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PREDICTING KAPPA NUMBER IN A KRAFT PULP CONTINUOUS DIGESTER: A COMPARISON OF FORECASTING METHODS
... Abstract - This paper discusses kappa number prediction models using Single Exponential Smoothing, Multiple Linear Regression Analysis, the Time Series Method of Box-Jenkins (ARIMA) and Artificial Neural Networks. ...
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Estimation of Acacia melanoxylon unbleached Kraft pulp brightness by NIR spectroscopy
... bleached kraft pulps is predicted with a very high ac- curacy and precision ...of pulp brightness using NIR ...unrefined kraft pulp, reported a root mean square error of predic- tion of ...
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Thermal and Spectroscopic Analyses on the Molecular Interaction Between Eucalyptus Kraft Pulp Components and Offset Printing Inks
... eucalyptus wood is popularly called as barrel wooden shape that is shorter and broader cells The studies concerning the separation of the non- fibrous components in oak wood accomplished by Klungness and Sanyer (1981) ...
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ELEMENTOS MINERAIS EM MADEIRAS DE EUCALIPTOS E ACÁCIA NEGRA E SUA INFLUÊNCIA NA INDÚSTRIA DE CELULOSE KRAFT BRANQUEADA MINERAL ELEMENTS IN WOODS OF EUCALYPTUS AND BLACK WATTLE AND ITS INFLUENCE IN A BLEACHED KRAFT PULP MILL
... Ciência Florestal, v.9, n.1, 1999 water consumption. The wood, as the most significant source of non-process elements to the system, is responsible for some troubles to the industrial process. With the aim of evaluating ...
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Pulp Mill Effluent Treatment Using Plasma Obtained by High Voltage Electrolysis
... The pollution of water bodies by industrial effluent discharges is a problem in various regions around the world. Industrial effluent from bleached kraft pulp mills is a potential polluter. It is produced ...
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Fibre morphological characteristics of kraft pulps of Acacia melanoxylon estimated by NIR-PLS-R models
... When considering all the samples of this study (60 samples), a good calibration for the fiber length and fiber width of the unbleached Kraft pulp was obtained with the spectral data of the woodmeal with r 2 ...
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Impact of hexenuronic acids on hylanase-aided bio-bleaching of chemical pulps
... eucalypt kraft pulp was per- formed before xylanase treatment (Vuorinen et ...HexA-free pulp was then treated with xylanase preparations and examined on change in optical properties before and after ...
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Polyoxometalate catalyzed ozonation of chemical pulps in organic solvent media
... in kraft pulp, covering over 83% of the total residual uronic acids ...eucalypt kraft pulp (Table ...in pulp ozonation, the higher acidic activity of solvent- based reaction solutions ...
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PRODUÇÃO DE POLPA KRAFT BRANQUEADA DE Pinus tecunumanii (Eguiluz e Perry)
... bleached kraft pulp production. Kraft pulps of kappa number 30 + 1 were produced, and oxygen delignified and bleached to 90% ISO with ECF ...unbleached pulp showed high oxygen delignification ...
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Estudo de aperfeiçoamento do sistema de tratamento de condensado contaminado da produção de celulose
... of Kraft pulp production process generates large amount of foul ...a Kraft pulp mill are formed by stripping systems which are columns of removing volatile contaminants condensed with the use ...
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O EFEITO DO TIPO DE MADEIRA E DO PROCESSO DE BRANQUEAMENTO NA ESTABILIDADE DA ALVURA DA POLPA
... the pulp bleached with the ODEDD sequence (Figure ...of pulp xylans that purportedly hold most of the uronic acids present in bleached hardwood kraft ...of kraft pulp xylan and ...
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Application of xylanases from Amazon Forest fungal species in bleaching of eucalyptus kraft pulps
... cellulose pulp than the liberation of reducing sugar, whereas the latter will continue being produced as result of xylanase attack on xylooligomers released by the initial hydrolysis of the xylan coating the fiber ...
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Influence of Bleaching Technologies on the Aerobic Biodegradability of Effluents from Eucalyptus Kraft Pulps Factories
... Aerobic biodegradability of effluents from different Eucalyptus kraft pulp bleaching processes was studied. Bleaching effluents were obtained from: i) Chlorine Bleaching (CB) processes, with partial ...
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Quality and antioxidant potential of byproducts from refining of fruit pulp
... genipap pulp, can be used in the preparation of foods or in pharmaceutical and cosmetics industries for the development of different products to delay and/or prevent the action of free ...from pulp refining ...
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Woolliness and leatheriness in late peach cultivars submitted to both delayed storage and to cold storage
... higher pulp firmness when compared to the woolly and healthy ...with pulp firmness values below 10 N while retaining a normal polygalacturonase activity ...retain pulp firmness higher than 30 N and a ...
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