The present disclosure relates to fractions of high purity lignin which are thermally stable, and to methods of producing such fractions from lignocellulosic materials. Methods for producing such high purity lignins are described, as well as methods for increasing the overall efficiency of the lignin extraction process.
Processes for converting lignocellulose to feedstock and downstream products are disclosed. The processes may include acid treatment of lignocellulose to produce a fermentation feedstock. In various instances, the processes include recovery or recycling of acid, such as recovery of hydrochloric acid from concentrated and/or dilute streams. Downstream products may include acrylic acid-based products such as diapers, paper and paper-based products, ethanol, biofuels such as biodiesel and fuel additives, and detergents.
A61L 15/20 - Bandages, pansements ou garnitures absorbant les fluides physiologiques tels que l'urine, le sang, p.ex. serviettes hygiéniques, tampons contenant des matériaux organiques
C12P 7/10 - Ethanol en tant que produit chimique et non en tant que boisson alcoolique préparé comme sous-produit, ou préparé à partir d'un substrat constitué par des déchets ou par des matières cellulosiques d'un substrat constitué par des matières cellulosiques
The present disclosure relates to lignocellulosic biomass processing and refining to produce hemicellulose and cellulose sugars. Methods and systems for refining a lignocellulosic hydrolysate are provided herein.
The present disclosure relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming reactions of biomass or biomass-derived molecules.
C07C 45/00 - Préparation de composés comportant des groupes C=O liés uniquement à des atomes de carbone ou d'hydrogène; Préparation des chélates de ces composés
C07C 29/00 - Préparation de composés comportant des groupes hydroxyle ou O-métal liés à un atome de carbone ne faisant pas partie d'un cycle aromatique à six chaînons
C01B 3/00 - Hydrogène; Mélanges gazeux contenant de l'hydrogène; Séparation de l'hydrogène à partir de mélanges en contenant; Purification de l'hydrogène
C07C 29/17 - Préparation de composés comportant des groupes hydroxyle ou O-métal liés à un atome de carbone ne faisant pas partie d'un cycle aromatique à six chaînons par hydrogénation de liaisons doubles ou triples carbone-carbone
C07C 5/03 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant le même nombre d'atomes de carbone par hydrogénation de liaisons doubles carbone-carbone non aromatiques
C01B 3/22 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par décomposition de composés organiques gazeux ou liquides
5.
Integrated methods for treating lignocellulosic material
The present disclosure relates to methods of processing lignocellulosic material to obtain cellulose and cellulose sugars. Also provided are compositions of cellulose hydrolysates.
The present disclosure relates to methods of producing hemicellulose and conversion products thereof from a biomass. Also provided are hemicellulose products and other conversion products thereof.
Processes for converting lignocellulose to feedstock and downstream products are disclosed. The processes may include acid treatment of lignocellulose to produce a fermentation feedstock. In various instances, the processes include recovery or recycling of acid, such as recovery of hydrochloric acid from concentrated and/or dilute streams. Downstream products may include acrylic acid-based products such as diapers, paper and paper-based products, ethanol, biofuels such as biodiesel and fuel additives, and detergents.
A61L 15/20 - Bandages, pansements ou garnitures absorbant les fluides physiologiques tels que l'urine, le sang, p.ex. serviettes hygiéniques, tampons contenant des matériaux organiques
C12P 7/10 - Ethanol en tant que produit chimique et non en tant que boisson alcoolique préparé comme sous-produit, ou préparé à partir d'un substrat constitué par des déchets ou par des matières cellulosiques d'un substrat constitué par des matières cellulosiques
The present disclosure relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming reactions of biomass or biomass-derived molecules. The present invention relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming hydrogenation, hydrogenolysis, or hydrodeoxygenation reactions of biomass or biomass-derived molecules.
C07C 45/00 - Préparation de composés comportant des groupes C=O liés uniquement à des atomes de carbone ou d'hydrogène; Préparation des chélates de ces composés
C01B 3/00 - Hydrogène; Mélanges gazeux contenant de l'hydrogène; Séparation de l'hydrogène à partir de mélanges en contenant; Purification de l'hydrogène
C07C 5/03 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant le même nombre d'atomes de carbone par hydrogénation de liaisons doubles carbone-carbone non aromatiques
C01B 3/22 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par décomposition de composés organiques gazeux ou liquides
C07C 29/17 - Préparation de composés comportant des groupes hydroxyle ou O-métal liés à un atome de carbone ne faisant pas partie d'un cycle aromatique à six chaînons par hydrogénation de liaisons doubles ou triples carbone-carbone
10.
INTEGRATED METHODS FOR TREATING LIGNOCELLULOSIC MATERIAL
The present invention relates to methods of processing cellulose pulp to recover a cellulosic hydrolysate therefrom. The methods can include contacting the cellulose pulp with water, a limited-solubility solvent, and a limited solubility acid, which can have a solubility in water of less than 1% wt/wt at 4°C. The methods can include recovering the limited solubility acid.
The invention relates methods and processes for the separation and refining of lignin from spent cooking liquor, called black liquor, present in industrial chemical plants, and compositions thereof. A process is provided for separating black liquor into at least two, three, or four streams selected from: (i) a gaseous stream comprising volatile sulfur compounds; (ii) a lignin-comprising stream produced by extracting lignin into a limited solubility solvent S1; (iii) a salt stream, comprising solid sodium and sulfate salts; and (iv) a salt-depleted and lignin-depleted aqueous stream comprising hydrocarbons.
The present disclosure relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming reactions of biomass or biomass-derived molecules. The present invention relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming hydrogenation, hydrogenolysis, or hydrodeoxygenation reactions of biomass or biomass-derived molecules.
Abstract The present invention provides high purity lignin compositions that are extracted from biomass and characterized by a consistent glass transition temperature (Tg). The invention provides methods of producing said compositions from thermally stable lignin fractions extracted from lignocellulosic material. Also, the invention further provides a way to evaluate the stability of lignin fractions by methods typically applied to synthetic polymers. Date Recue/Date Received 2020-09-04
Processes for converting lignocellulose to feedstock and downstream products are disclosed. The processes may include acid treatment of lignocellulose to produce a fermentation feedstock. In various instances, the processes include recovery or recycling of acid, such as recovery of hydrochloric acid from concentrated and/or dilute streams. Downstream products may include acrylic acid-based products such as diapers, paper and paper-based products, ethanol, biofuels such as biodiesel and fuel additives, and detergents.
The present invention relates to methods of processing lignocellulosic material to obtain hemicellulose sugars, cellulose sugars, lignin, cellulose and other high-value products. Also provided are hemicellulose sugars, cellulose sugars, lignin, cellulose, and other high-value products.
C07H 3/00 - Composés contenant uniquement des atomes d'hydrogène et des radicaux saccharide, ces radicaux ne comportant que des atomes de carbone, d'hydrogène et d'oxygène
The present invention relates to methods of processing lignocellulosic material to obtain hemicellulose sugars, cellulose sugars, lignin, cellulose and other high-value products. Also provided are hemicellulose sugars, cellulose sugars, lignin, cellulose, and other high-value products.
C13K 13/00 - Sucres non prévus ailleurs dans la présente classe
C08J 11/10 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p.ex. dévulcanisation
brevets
