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2. (US20170016179) CATALYTIC BIOMASS CONVERSION

TranslationTraduction: original-->français
Numéro de la demande : 15180845 Date de la demande : 13.06.2016
Numéro de publication : 20170016179 Date de publication : 19.01.2017
Type de publication : A1
CIB :
D21C 3/22
C08B 15/08
B01J 37/12
B01J 37/03
D21C 9/16
B01J 23/889
CPC :
D21C 3/222
D21C 9/163
B01J 23/8892
B01J 37/12
B01J 37/031
C08B 15/08
Déposants : NANO-GREEN BIOREFINERIES INC.
Inventeurs : Andrew A. OLKOWSKI
Bernard LAARVELD
Norman ARRISON
Données relatives à la priorité :
Titre : (EN) CATALYTIC BIOMASS CONVERSION
Abrégé :
(EN)

A biorefining method of processing a lignocellulosic biomass to separate lignin and hemicellulose from cellulose includes the steps of (a) reacting the biomass in an aqueous slurry having a pH less than 7, comprising a transition metal catalyst, hydrogen peroxide; and (b)

separating a solid cellulose fraction from dissolved lignin and hemicellulose fractions. The method may also be used to treat cellulose and produce microcrystalline or nanocrystalline cellulose. The transition metal catalyst may be a nanoparticulate catalyst including multivalent iron, iron oxides and iron hydroxides. The nanoparticulate catalyst may be formed by oxidizing a highly reduced solution of iron, such as groundwater that has not been exposed to oxygen.