Results 111 to 120 of about 23,645 (231)
Efeito do teor de lignina da madeira de Eucalyptus globulus Labill. no desempenho da polpação kraft
Ciência Florestal, 2011 In this research, it was analyzed the lignin content effect of Eucalyptus globulus Labill. wood in kraft pulping optimization. Seventy-two laboratory cooking were made with wood chips obtained from six Eucalyptus globulus trees selected from a group of ...
Gabriel Valim Cardoso +5 more
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Three Stage Bleaching of Recycled Fibers Containing 30% Groundwood [PDF]
, 1978 A three stage bleaching sequence for a mixture of recycled chemical and groundwood fibers was investigated for maximum brightness increase. The three stages consisted of a reducing or color stripping stage, an oxidizing stage, and last a mild alkaline ...
Buck, Ronald J.
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KRAFT LIGNIN AS AN ADDITIVE IN PINE AND EUCALYPTUS PARTICLE COMPOSITION FOR BRIQUETTE PRODUCTION
Revista ÁrvoreThe objective of this study was to evaluate the properties of briquettes produced with different proportions of pine and eucalyptus wood, as well as to characterize the potential of kraft lignin as an additive in the composition of briquettes for energy ...
Walter Torezani Neto Boschetti +4 more
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Heterogeneous Catalyst Design Principles for the Conversion of Lignin into High Value Commodity Fuels and Chemicals [PDF]
, 2020 Chorkendorff I. +3 more
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BioResources, 2008 Pulping of bagasse by one-stage and three-stage peroxyacetic acid was carried out. Characterization of the precipitated lignin from the waste liquor of the pulping process was studied using infrared spec-troscopy.
A. M. A. Nada +2 more
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The adsorption of adsorbable organic halide onto biological solids : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Technology in Environmental Engineering [PDF]
, 1994 Chlorinated organic molecules may be removed from wastewaters by adsorption onto the biomass present in biological treatment systems. This study assessed the adsorption onto biological solids of Adsorbable Organic Halide (AOX) from two New Zealand kraft ...
Gapes, Daniel James
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Maderas: Ciencia y Tecnología, 2014 The effect of residual lignin content on the mechanical strength and water absorption of kraft pulp/polypropylene composites was studied. To meet this objective, hornbeam wood chips were converted to kraft pulp at three different alkalinities (15, 20 ...
Majid Kiaei, Behzad Kord, Ramin Vaysi
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A Comparison of Unbleached Pulps from Cherry Heartwood and Sapwood [PDF]
, 1978 The purpose of the project was to evaluate pulps made from cherry heartwood and sapwood. The amount of heartwood a tree has is an individual trait of the tree rather than a function of geography or environment.
Bethke, Craig
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Case Studies in Construction MaterialsThis study presents the development of innovative particleboards bonded with a hybrid powder adhesive composed of epoxy-polyester resin and kraft lignin, aiming to eliminate formaldehyde and volatile organic compounds (VOCs) from the manufacturing ...
Miroslav Němec +7 more
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Lignosulfonate as a Strength Additive for Non-Wood Paperboard [PDF]
, 2000 Recycle mills that use old corrugated cardboard (OCC) in their furnish experience difficulties in maintaining the quality of the paperboard produced. Recycle mills using the OCC collect their OCC from many parts of the world.
Martin, Francisco L.
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