METHOD OF CATALYTIC CONVERSION OF CELLULOSE IN HEXITOLS Russian patent published in 2013 - IPC C07C31/26 C07H3/06 C07C29/70 B01J23/46 

Abstract RU 2497800 C1

FIELD: chemistry.

SUBSTANCE: invention relates to field of processing renewable raw material (in particular, cellulose) into raw material for chemical synthesis and biofuels. Method of catalytic conversion of cellulose in hexitols includes carrying out process of hydrolytic hydration of cellulose for 3-7 minutes at temperature 240-250°C under partial pressure of hydrogen 55-65 atm and with mixing of reaction medium in presence of ruthenium catalyst, according to invention as substrate for ruthenium catalyst applied is hypercrosslinked polystyrene of MN 270 grade, and content of ruthenium in catalyst constitutes from 1.0 to 1.5 wt % of catalyst weight. Mixing of reaction mixture is realised by propeller mixer, numbers of turns of which constitutes 580-620 rev/min.

EFFECT: increased method efficiency.

2 cl, 16 ex

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RU 2 497 800 C1

Authors

Filatova Anastasija Evgen'Evna

Makeeva Ol'Ga Jur'Evna

Manaenkov Oleg Viktorovich

Sul'Man Ehsfir' Mikhajlovna

Sul'Man Mikhail Gennad'Evich

Sidorov Aleksandr Ivanovich

Tsurkan Inna Igorevna

Tsurkan Gennadij Gennad'Evich

Kislitsa Ol'Ga Vital'Evna

Dates

2013-11-10Published

2012-10-09Filed