Results 11 to 20 of about 18,011,354 (314)
Applied Sciences, 2023 Environmental approaches in the asphalt industry have focused on utilizing waste materials as modifiers. Lignin is a high-potential bitumen modifier due to its characteristics; however, the blending process with bitumen is critical.
Ali Rezazad Gohari +4 more
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Journal of Wood Science, 2021 Kraft lignin is a valuable aromatic renewable resource that is discharged in large quantities during the kraft pulping process. In this study, kraft lignin derivatives with improved solubility and thermal properties were prepared by a facile chemical ...
Shiori Suzuki, Tadahisa Iwata
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Molecules, 2020 The present study demonstrated a sustainable and cost-effective approach to depolymerize/oxidize softwood (SW) and hardwood (HW) kraft lignins using concentrated hydrogen peroxide at temperatures ranging from 25 to 35 °C, in the absence of catalysts or ...
Z. Ahmad +3 more
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Modification of activated carbon prepared from black liquor with the copper ion and its application to adsorption phenol [PDF]
Journal of Chemical and Petroleum EngineeringThe growing demand for effective and environmentally friendly phenol removal methods has led to a growing interest in investigating the potential of using biomass-derived activated carbon.
Amir Mohammadpour +3 more
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Degradation and flammability of bioplastics based on PLA and lignin
Polymer Testing, 2022 This article presents the preparation of polylactide (PLA)-derived bioplastics, where kraft lignin (L), sulfonated kraft lignin (L-SO3H) or sulfonated kraft lignin in combination with silica (L-SO3H+SiO2) were used as natural additives.
Beata Podkościelna +4 more
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Comparative study of delignification efficiency and pulp yield of heart wood and sap wood of Populus deltoids by kraft and soda processes [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2010 Comparative study of pulp yield of sap wood and heart wood of Populus deltoides under both Kraft and soda cooking process have been showed that the heart wood pulp has a lower yield than that of sap wood pulp.
Somayeh Ghasemi, Ahmad reza Saraeyan
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Estimation of energy efficiency of kraft pulp production with the exergy increment method
Известия высших учебных заведений: Проблемы энергетики, 2020 This article contains results of exergic analysis of kraft pulping flow chart. The results of exergic balances of main kraft pulping processes such as alkali recovery at recovery boilers, black liquor evaporation, chips cooking, lime decarbonation are ...
Р. V. Lukanin
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Modeling of negative Poisson’s ratio (auxetic) crystalline cellulose Iβ [PDF]
, 2016 Energy minimizations for unstretched and stretched cellulose models using an all-atom empirical force field (Molecular Mechanics) have been performed to investigate the mechanism for auxetic (negative Poisson’s ratio) response in crystalline cellulose Iβ
A Alderson +81 more
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Adam Kraft’s Moving Sandstones
Arts, 2023 Adam Kraft, Albrecht Dürer’s contemporary in Nuremberg, worked in the material of sandstone to provide a comparable experience in carved relief about the Passion of Christ.
Larry Silver
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Characterisation of lignins isolated from bamboo organosolv and kraft black liquor
Maderas: Ciencia y Tecnología, 2023 Bamboo biomass was pulped using organosolv methods: Acetic acid and formic acid; hydrogen peroxide and formic acid; ethanol and water and kraft process with varying concentrations of the cooking chemicals.
Nusirat Aderinsola Sadiku +1 more
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