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Study of oxidizability of cellulosic raw material with hydrogen peroxide over colloidal cata-lyst based on iron oxide (iii)
Oil and gas processing, chemistry of oil and gas

Authors: Yakov A. MASYUTIN completed Master’s degree Gubkin Russian State University of Oil and Gas in 2012, specializing in „Chemical Technology and Biotechnology”. He is currently doing a postgraduate course of studies at Gubkin Russian State University of Oil and Gas and occupies the position of engineer of the Department of Physical and Colloid Chemistry of the named university. He is a specialist in the sector of biofuels synthesis of ionic liquids, application of spectroscopic methods for the analysis of petroleum and petroleum products. He is author of 20 scientific publications.E-mail: YMA1989@mail.ru
Roman I. KLYUKIN completed Bachelor’s degree in Kazakhstan branch of the Lomonosov Moscow State University University (Astana) in 2012, majoring in „Ecology and NatureManagement”. He is currently doing a graduate course at Gubkin Russian State University of Oil and Gas and occupies the position of engineer of the Department of Physical and Colloid Chemistry of the named university. The area of his research includes environmental impact assessment of oil and gas industry, including pipeline transportation, as well as methods of producing alternative energy sources.E-mail: klyukin_roman@bk.ru
Andreу A. NOVIKOV completed Master’s degree of the Perm State University majoring in „Chemistrу” in 2007. In 2010, he graduated from the graduate school at Gubkin Russian State University of Oil and Gas. He is Candidate of Chemical Sciences, Head of the Laboratory „Center for Nanodiagnostics” Gubkin Russian State University of Oil and Gas. He is a specialist in the field of organic chemistry, microbiology and nanodiagnostics, author of more than 30 scientific publications. E-mail: gubkin.biotech@gmail.com
Vladimir A. VINOKUROV graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1972 as „Manufacturing Engineer”. He is Doctor of Chemical Sciences, Head of the Department of Physical and Colloid Chemistry at Gubkin Russian State University of Oil and Gas. He is well-known a specialist in the field of surface chemistry and disperse systems, synthesis and stabilization of nanoparticles, and biotechnology. He is author of over 200 scientific publications.:E-mail: vinok_ac@mail.ru

Abstract: We have studied the oxidation of pre-radiated and original cellulosic feedstock (pine sawdust, bamboo chips) with dilute solutions of hydrogen peroxide over a catalyst based on colloidal iron oxide (III). As a result, it was found that the combined pretreatment by radiation and catalytic oxidation with hydrogen peroxide is an effective method of preparation of lignocellulosic feedstock for hydrolysis. This is due to the reduced content of lignin, the degree of polymerization and the crystallinity of cellulose. The byproducts (water solutions of oxidative degradation products of lignin) obtained during pretreatment can be used as plant growth stimulants or additives for animal feed. Analysis of the by-products by the me- thod of capillary electrophoresis revealed single, two-and tribasic carboxylic acids, while the gas chromatography-mass spectrometry analysis confirmed the presence of aldehydes, alcohols, esters, and nitrogen-containing heteroatomic compounds besides carboxylic acids

Index UDK: УДК 663.031.7 + 544.478.42 + + 66.097.3-039.672

Keywords: lignocellulose, irradiation pretreatment, hydrogen peroxide, colloid particles of iron (III) oxide, carboxylic acids

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