Patent application number | Description | Published |
20150191498 | METHOD FOR DECOMPOSING PLANT BIOMASS, AND METHOD FOR PRODUCING GLUCOSE - A plant biomass; a solid catalyst which can catalyze the hydrolysis of the biomass; and a method for hydrolyzing a plant biomass, which is characterized by a step of heating a mixture containing an inorganic acid and water and which has high glucose yield and high glucose selectivity. As the inorganic acid, hydrochloric acid can be used. The pH value is adjusted to 1.0 to 4.0. As the solid catalyst, activated carbon or the like can be used. | 07-09-2015 |
20150322625 | PRETREATMENT METHOD FOR CELLULOSE-CONTAINING BIOMASS, PRODUCTION METHOD FOR SACCHARIFYING BIOMASS COMPOSITION, AND SUGAR PRODUCTION METHOD - A pretreatment method (1) for improving saccharification performance of a cellulose-containing biomass as a saccharification starting material, which includes: step 1 of pulverizing cellulose-containing biomass; step 2 of subjecting the pulverized cellulose-containing biomass to hydrothermal treatment; and step 3 of finely pulverizing the cellulose-containing biomass subjected to the hydrothermal treatment. The fine pulverization in step 3 is performed by using a refiner or disc mill provided with a plate or disc without a flow passage leading from a center toward a circumferential direction. Also disclosed is (2) a method for producing a biomass composition for saccharification, which includes conducting the pretreatment method; and (3) a method for producing a sugar, which includes hydrolyzing a biomass composition for saccharification obtained by the production method. | 11-12-2015 |
20150337401 | PLANT-BIOMASS HYDROLYSIS METHOD - A method for hydrolyzing a plant biomass, including hydrothermal treatment in which an equivalent concentration of an acid equal to the total of 30 to 1,000% of the equivalent concentration of cations and equivalent concentration of hydroxide ions in a plant-biomass hydrolysis reaction solution is added to the reaction solution; and a method for producing glucose using the above method for hydrolyzing a plant biomass. The hydrothermal treatment is desirably conducted using a solid catalyst including a carbon material and an inorganic acid. The method can eliminate reaction-inhibiting factors due to cations existing in the reaction system to thereby attain a high glucose yield. | 11-26-2015 |
20150337402 | PLANT-BIOMASS HYDROLYSIS METHOD - A method for hydrolyzing a plant biomass, which includes a first process of heating a mixture containing a plant biomass, a solid catalyst, acid and water, and a second process for heating the mixture containing a solid containing a plant biomass and a catalyst separated from the reaction solution after the first process, acid and water, wherein the highest heating temperature in the second process is higher than that in the first process; and a method for producing glucose and xylose using the above-mentioned hydrolyzing method. In the method, both of glucose and xylose can be obtained efficiently from an actual biomass. | 11-26-2015 |
20150337403 | PLANT-BIOMASS HYDROLYSIS METHOD - A method for hydrolyzing a plant biomass, which includes hydrothermal treatment in the presence of an equivalent concentration of an acid equal to 30 to 1,000% of the equivalent concentration of cations in a plant-biomass hydrolysis reaction solution; and a method for producing glucose using the above method for hydrolyzing a plant biomass. The hydrothermal treatment is preferably conducted by using a solid catalyst comprising a carbon material and using inorganic acid as acid. The method eliminates reaction-inhibiting factors to thereby obtain a high glucose yield. | 11-26-2015 |