Method for producing sugar solution and xylooligosaccharide

    公开(公告)号:AU2015337881B2

    公开(公告)日:2020-04-09

    申请号:AU2015337881

    申请日:2015-10-29

    Abstract: To produce a xylooligosaccharide using a xylanase, a xylanase having a low β-xylosidase activity should be used. Under these circumstances, the present invention has been completed on the basis of the finding that, in a process for producing a sugar solution and a xylooligosaccharide in parallel, a xylanase having a low β-xylosidase activity can be prepared at a low cost by recovering a cellulase having been used in a sugar solution production step and reusing the cellulase in a xylooligosaccharide process.

    Method for producing xylo-oligosaccharide

    公开(公告)号:AU2017239834A1

    公开(公告)日:2018-10-25

    申请号:AU2017239834

    申请日:2017-03-30

    Abstract: Disclosed is a method for producing a xylo-oligosaccharide from a biomass containing xylan and cellulose, wherein the method is simple and a high xylo-oligosaccharide yield is achieved by suppressing xylo-oligosaccharide from being broken down to xylose. According to the method for producing xylo-oligosaccharide, a biomass containing xylan and cellulose is hydrolyzed by a cellulase composition that, at the time of hydrolysis, at least exhibits xylanase, cellobiohydrolase, and β-glucosidase activities, but does not substantially exhibit β-xylosidase activity.

    Method for producing sugar solution and xylooligosaccharide

    公开(公告)号:AU2015337881A1

    公开(公告)日:2017-06-22

    申请号:AU2015337881

    申请日:2015-10-29

    Abstract: To produce a xylooligosaccharide using a xylanase, a xylanase having a low β-xylosidase activity should be used. Under these circumstances, the present invention has been completed on the basis of the finding that, in a process for producing a sugar solution and a xylooligosaccharide in parallel, a xylanase having a low β-xylosidase activity can be prepared at a low cost by recovering a cellulase having been used in a sugar solution production step and reusing the cellulase in a xylooligosaccharide process.

    METHOD FOR PRODUCING SUGAR SOLUTION

    公开(公告)号:CA2898969A1

    公开(公告)日:2014-09-12

    申请号:CA2898969

    申请日:2014-03-03

    Abstract: A method for producing molasses by repeating a process of preparing a slurry of a pretreated cellulose-containing biomass, hydrolyzing the slurry using cellulase from filamentous fungi, then subjecting the hydrolyzate to solid-liquid separation into a solution component and hydrolysis residue, filtering the solution component through an ultrafiltration membrane and recovering the cellulase from filamentous fungi as a non-permeate, and recovering molasses as a permeate; wherein the purpose is to use the wash solution, obtained by washing the separation membrane after the solution component has been filtered through an ultrafiltration membrane, the cellulase from filamentous fungi has been recovered as a non-permeate, and molasses has been recovered as a permeate, when preparing a slurry of pretreated cellulose-containing biomass for subsequent molasses production processes. This makes it possible to suppress the adsorption of cellulase from filamentous fungi to the hydrolysis residue of the cellulose-containing biomass and efficiently recover and/or reuse the ß-glucosidase, which plays an important role in the hydrolysis reaction in particular; and keeps the molasses production cost low.

    Procedimiento para producir xilooligosacárido

    公开(公告)号:ES2921023T3

    公开(公告)日:2022-08-16

    申请号:ES17775453

    申请日:2017-03-30

    Abstract: Declectado es un método para producir xylo-oligosacáridos a partir de una biomasa que contiene xilano y celulosa, cuyo método es conveniente y tiene un alto rendimiento de xiligosacáridos debido a la inhibición de la degradación de xiligosacáridos en xilosa. En el método de producción de xilocáridos, una biomasa que contiene xilano y celulosa se hidroliza con una composición de celulasa que tiene al menos actividades de xilanasa, celobiohidrolasa y 2 -glucosidasa y sustancialmente libre de 2 -xilosidasa Actividad durante la hidrólisis. (Traducción automática con Google Translate, sin valor legal)

    Métodos de produção de líquido de açúcar e de substância química

    公开(公告)号:BR112016003282B1

    公开(公告)日:2022-03-22

    申请号:BR112016003282

    申请日:2014-08-21

    Abstract: métodos de produção de líquido de açúcar e de substância química. a presente invenção refere-se a um método de produção de líquido de açúcar que inclui as etapas (1) a (3) a seguir: - etapa (1): etapa de submissão da primeira biomassa que contém celulose ao pré-tratamento; - etapa (2): etapa de adição de uma segunda biomassa que contém celulose em quantidade que varia de 1 a 50% com base no peso de teor sólido do primeiro produto de pré-tratamento de biomassa que contém celulose da etapa (1) e de realização de hidrólise por celulase derivada de fungo filamentoso; e - etapa (3): etapa de submissão de hidrolisado da etapa (2) à separação sólido-líquido para obter um componente de solução e um resíduo de hidrólise e de filtragem do componente de solução através de uma membrana de ultrafiltragem para recuperar a celulase derivada de fungo filamentoso como retido e para recuperar um líquido de açúcar como permeado.

    СПОСОБ ПОЛУЧЕНИЯ КСИЛООЛИГОСАХАРИДА

    公开(公告)号:RU2748948C2

    公开(公告)日:2021-06-02

    申请号:RU2018137674

    申请日:2017-03-30

    Abstract: Изобретениеотноситсяк биотехнологиии пищевойпромышленности. Предварительнообрабатываютбиомассу. Проводятгидролизбиомассы, содержащейксилани целлюлозу, прирНот 4,5 до 8,0 итемпературеот 35 до 45°Сс использованиемцеллюлазнойкомпозиции. Целлюлазнаякомпозицияимеетпоменьшеймереактивностиксиланазы, целлобиогидролазыи β-глюкозидазы, ипосуществунеимеетактивностиβ-ксилозидазы, направленнойнауказаннуюбиомассу, вовремягидролиза. Композициясодержитактивныеферментативныекомпоненты, получаемыепосредствомсущественнойинактивацииактивностейβ-глюкозидазыи β-ксилозидазы, направленныхнауказаннуюбиомассу, посредствоминкубациисмеси, происходящейизгриба, относящегосяк роду Trichoderma, имеющейпоменьшеймереактивностиксиланазы, целлобиогидролазы, β-глюкозидазыи β-ксилозидазы, направленныенауказаннуюбиомассу. Активностиксиланазыи целлобиогидролазыв композициивключаютуказанныеактивностиксиланазыи целлобиогидролазы, остающиесяпослеуказаннойинкубациицеллюлазнойсмеси. Целлюлазнаясмесьпроисходитиз Trichoderma reesei. Активностьксиланазысоставляетпоменьшеймере 14000 Еднаодинграммбелка, целлобиогидролазыпоменьшеймере 50 Еднаодинграммбелкаи β-глюкозидазыпоменьшеймере 1000 Еднаодинграммбелка. Изобретениеобеспечиваетудобныйи эффективныйспособполученияксилоолигосахаридов. 5 з.п. ф-лы, 6 табл., 3 пр.

    Métodos de produção de um líquido de açúcar e de uma substância química

    公开(公告)号:BR112016003282B8

    公开(公告)日:2022-04-05

    申请号:BR112016003282

    申请日:2014-08-21

    Abstract: métodos de produção de líquido de açúcar e de substância química. a presente invenção refere-se a um método de produção de líquido de açúcar que inclui as etapas (1) a (3) a seguir: - etapa (1): etapa de submissão da primeira biomassa que contém celulose ao pré-tratamento; - etapa (2): etapa de adição de uma segunda biomassa que contém celulose em quantidade que varia de 1 a 50% com base no peso de teor sólido do primeiro produto de pré-tratamento de biomassa que contém celulose da etapa (1) e de realização de hidrólise por celulase derivada de fungo filamentoso; e - etapa (3): etapa de submissão de hidrolisado da etapa (2) à separação sólido-líquido para obter um componente de solução e um resíduo de hidrólise e de filtragem do componente de solução através de uma membrana de ultrafiltragem para recuperar a celulase derivada de fungo filamentoso como retido e para recuperar um líquido de açúcar como permeado.

    METHOD FOR PRODUCING SUGAR SOLUTION

    公开(公告)号:CA2898969C

    公开(公告)日:2021-07-06

    申请号:CA2898969

    申请日:2014-03-03

    Abstract: A method for producing molasses by repeating a process of preparing a slurry of a pretreated cellulose-containing biomass, hydrolyzing the slurry using cellulase from filamentous fungi, then subjecting the hydrolyzate to solid-liquid separation into a solution component and hydrolysis residue, filtering the solution component through an ultrafiltration membrane and recovering the cellulase from filamentous fungi as a non-permeate, and recovering molasses as a permeate; wherein the purpose is to use the wash solution, obtained by washing the separation membrane after the solution component has been filtered through an ultrafiltration membrane, the cellulase from filamentous fungi has been recovered as a non-permeate, and molasses has been recovered as a permeate, when preparing a slurry of pretreated cellulose-containing biomass for subsequent molasses production processes. This makes it possible to suppress the adsorption of cellulase from filamentous fungi to the hydrolysis residue of the cellulose-containing biomass and efficiently recover and/or reuse the ß-glucosidase, which plays an important role in the hydrolysis reaction in particular; and keeps the molasses production cost low.

    SUGAR-SOLUTION PRODUCTION METHOD
    10.
    发明专利

    公开(公告)号:MY185323A

    公开(公告)日:2021-05-04

    申请号:MYPI2015702714

    申请日:2014-02-19

    Abstract: The purpose of the present invention is to provide a sugar-solution production method in which a pre-treated substance of a cellulose-containing biomass and a slurry of an inactivated cellulase are prepared, a filamentous-fungus-derived cellulase is added to the slurry to induce hydrolysis, a hydrolysate is subjected to solid-liquid separation to obtain a solution component and a hydrolysis residue, the solution component is subsequently filtered through an ultra filtration membrane and the filamentous-fungus-derived cellulase is recovered as a non-filtrate, and a sugar solution is recovered as a filtrate. Accordingly, provided is a method with which, in a cellulose-containing-biomass hydrolysis reaction using a filamentous-fungus-derived cellulase, the reusability of the filamentous-fungus-derived cellulase is improved, and the usage amount of said cellulase is reduced. Fig 1.

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