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Promising results from the catalytic bleaching (Cat-bleaching) of oxygen-delignified hardwood kraft pulp (Eucalyptus urophylla × Eucalyptus grandis) with simple inorganic complexes prompted interest in discovering the soluble lignin components.The dissolved substances can be harmful to the environment and some dissolved substances may also have toxic effects on the environment. For these reasons,...
Co(salen) powders were homogeneously scattered over a ceramic fibre network to give a catalyst paper and the Co(salen) paper was tested for the oxidative degradation of a kraft lignin using H2O2 as an oxidant. Due to the structural effect of the interconnected 3D-network, the catalyst paper exhibited a higher performance in the oxidation of kraft lignin with a oil yield of 23.27 % than the original...
Molecular oxygen (O2) is widely used as an oxidant in catalytic oxidation. This study was part of a biomimetic oxidation targeted at increasing the use of lignin in the production of chemicals through the application of salen transition metal catalysts. In this work, the catalytic performance of a cobalt-Schiff base catalyst Co(salen) in the presence of an oxidant and a ligand, such as pyridine, was...
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