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1.发明申请
公开(公告)号：WO2019162277A1
公开(公告)日：2019-08-29
申请号：PCT/EP2019/054103
申请日：2019-02-19
Inventor： BENJELLOUN MLAYAH, Bouchra , DELMAS, Michel
Abstract: The present invention relates to a method of production of lignin and hemicellulose from a plant lignocellulosic material comprising the steps of: (a) contacting a plant lignocellulosic material with an extraction solution during more than 2 hours at a temperature between 95°C to 110°C, thereby obtaining a solid fraction and a liquid fraction, (b) separating the solid fraction and the liquid fraction, (c) concentrating the liquid fraction so as to obtain a concentrated liquid fraction, (d) mixing equal parts by weight of water with the concentrated liquid fraction so as to obtain a suspension comprising solid particles in suspension in a liquid medium, (e) separating the particles and the medium of said suspension, (f) recovering the particles of said suspension thereby obtaining a fraction comprising lignin called lignified fraction, (g) recovering the medium of said suspension thereby obtaining a fraction comprising hemicellulose called hemicellulosic fraction.
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2.发明申请
公开(公告)号：WO2012049054A2
公开(公告)日：2012-04-19
申请号：PCT/EP2011/067391
申请日：2011-10-05
Applicant: COMPAGNIE INDUSTRIELLE DE LA MATIERE VEGETALE - CIMV , DELMAS, Michel , BENJELLOUN MLAYAH, Bouchra
Inventor： DELMAS, Michel , BENJELLOUN MLAYAH, Bouchra
CPC classification number: C12P7/10 , A23L33/135 , A23V2002/00 , C12P2201/00 , C13K1/02 , Y02E50/16 , A23V2250/5108
Abstract: The invention concerns a process for producing bioethanol comprising the steps of pretreatment (consisting in destructuring the lignocellulosic vegetable raw material by placing it in the presence of a mixture containing formic acid, acetic acid and water, then in separating cellulose), of enzymatic hydrolysis and of alcoholic fermentation, characterized in that it comprises, prior to the enzymatic hydrolysis, a step of partial elimination of the lignins so as to obtain a residual overall level of lignins (T), expressed as percentage by weight, which is non-zero and which is included in a range determined by a lower limit, and an upper limit Bsup, respectively equal to 0.30% and 4%. In order to obtain conditions of acidification before the enzymatic hydrolysis step, the process comprises a step for re- acidification of the mixture, which is carried out by means of an acid, or of a mixture of acids, of determined pKa, and in particular by means of weak organic acids such as acetic acid and/or formic acid.
Abstract translation: 本发明涉及一种生产生物乙醇的方法，其包括以下步骤：预处理（通过将木质纤维素植物原料在含有甲酸，乙酸和水的混合物，然后分离纤维素的存在下，然后在分离纤维素的存在下将其解构） 其特征在于，其在酶水解之前包含部分消除木质素的步骤，以获得木质素（T）的残余总体水平（以重量百分比表示），其为非零，并且 其被包括在由下限确定的范围内，上限Bsup分别等于0.30％和4％。 为了在酶水解步骤之前获得酸化条件，该方法包括用酸或酸的混合物进行的确定的pKa，特别是酸化的混合物的再酸化步骤 通过弱有机酸如乙酸和/或甲酸。
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公开(公告)号：WO2018162207A1
公开(公告)日：2018-09-13
申请号：PCT/EP2018/053868
申请日：2018-02-16
Inventor： BENJELLOUN MLAYAH, Bouchra , DELMAS, Michel
Abstract: The invention relates to a process for the simultaneous extraction of lignin and silica from lignocellulosic plant material, characterized in that it comprises the steps of: a) fractionating the lignocellulosic plant material in the presence of an acid solution, so as to obtain a solid fraction comprising cellulose, residual lignin and silica; b) extracting simultaneously lignin and silica from the solid fraction obtained in step a) with a basic solution, at a pH between 10 and 13 and at a temperature between 70°C and 90°C, so as to obtain a liquid phase comprising lignin and silica, and a solid phase; c) separating the liquid phase and of the solid phase obtained in step b), d) coprecipitating a mixture of lignin and silica comprised in the liquid phase, at a pH between 5 and 6.
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公开(公告)号：WO2017042011A1
公开(公告)日：2017-03-16
申请号：PCT/EP2016/069586
申请日：2016-08-18
IPC: C01B33/00
CPC classification number: C01B33/193 , C01B33/126
Abstract: The invention relates to a process for the extraction of silica from lignocellulosic plant matter, comprising the steps of: a) fractionating the lignocellulosic plant matter in the presence of an acid solution, so as to obtain a solid fraction comprising cellulose, b) extracting the silica from the solid fraction obtained in step a) with a basic solution, at a pH between 10 and 13 and at a temperature between 70°C and 90°C, so as to obtain a liquid phase comprising silica and a solid phase, c) separating the liquid phase and of the solid phase which are obtained in step b), d) precipitating the silica which is comprised in the liquid phase, at a pH between 5 and 6.
Abstract translation: 本发明涉及从木质纤维素植物物质中提取二氧化硅的方法，包括以下步骤：a）在酸性溶液存在下对木质纤维素植物物质进行分馏，以获得包含纤维素的固体部分，b） 步骤a）中获得的固体部分的二氧化硅与碱性溶液，pH为10至13，温度为70℃至90℃之间，以获得包含二氧化硅和固相的液相，c ）分离在步骤b）中获得的液相和固相，d）使包含在液相中的二氧化硅在5和6之间的pH下沉淀。
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Patent Agency Ranking5.发明申请PROCESS FOR PRODUCING, IN PARTICULAR ETHANOL, BY SEQUENCED ENZYMATIC HYDROLYSIS OF CELLULOSE AND HEMICELLULOSES OF A LIGNOCELLULOSIC RAW MATERIAL 审中-公开生产特殊乙醇的方法，通过细菌纤维素的序列酶促水解和纤维素原料的细胞质
公开(公告)号：WO2015185639A1
公开(公告)日：2015-12-10
申请号：PCT/EP2015/062399
申请日：2015-06-03
Inventor： BENJELLOUN MLAYAH, Bouchra , DELMAS, Michel
CPC classification number: C12P7/10 , C08B1/00 , C08B37/0057 , C08H6/00 , C08H8/00 , C12P19/02 , C12P19/14 , C12P2201/00 , C12P2203/00 , Y02E50/16
Abstract: The invention proposes a process for producing ethanol, comprising steps of pre-treatment of the lignocellulosic vegetable raw material, comprising the steps consisting in destructuring the lignocellulosic vegetable raw material, then in separating, on the one hand, the cellulose (C6)capable of then being hydrolysed (and fermented for the production of ethanol) and, on the other hand, the hemicelluloses capable of then being hydrolysed and the lignins, characterized in that the hydrolysis of the cellulose and of the hemicelluloses is then carried out in a sequenced manner according to the following steps consisting in: -i) beginning the enzymatic hydrolysis of the cellulose by means of at least one enzyme for a first period with a view to obtaining an intermediate hydrolysate; -ii) adding hemicelluloses to said intermediate hydrolysate; -iii) continuing the enzymatic hydrolysis of the mixture until a final hydrolysate is obtained at the end of a total period of enzymatic hydrolysis.
Abstract translation: 本发明提出了一种生产乙醇的方法，包括木质纤维素植物原料的预处理步骤，包括对木质纤维素植物原料进行破坏的步骤，然后一方面分离能够 然后水解（并发酵用于生产乙醇），另一方面是能够水解的半纤维素和木质素，其特征在于纤维素和半纤维素的水解然后以有序的方式进行 根据以下步骤：-i）通过至少一种酶开始纤维素酶水解第一段，以获得中间体水解产物; -ii）向所述中间体水解产物中加入半纤维素; -iii）继续混合物的酶水解直到在酶水解的总时间结束时获得最终的水解产物。
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6.发明申请
公开(公告)号：WO2011154293A1
公开(公告)日：2011-12-15
申请号：PCT/EP2011/059020
申请日：2011-06-01
Applicant: COMPAGNIE INDUSTRIELLE DE LA MATIERE VEGETALE - CIMV , DELMAS, Michel , BENJELLOUN MLAYAH, Bouchra
Inventor： DELMAS, Michel , BENJELLOUN MLAYAH, Bouchra
CPC classification number: C07H1/00 , C07G1/00 , C07H1/06 , C08B37/0003 , C08B37/0057 , C08H6/00
Abstract: The invention provides a process for the separation of lignins and sugars from an extracted liquor, comprising, in the form of dry matter (DM), lignins and sugars, characterized in that it consists in: a) concentrating the extracted liquor, in order to obtain a liquor comprising dry matter in a proportion of between 60 and 70%; b) mixing the concentrated liquor with water in equal parts by weight; c) stirring the mixture in order to disperse the lignins and to obtain a stable suspending of the lignins; d) filtering the solution, in which process: the mixing is carried out by introducing the concentrated liquor into the water; the temperature of the solution, during the suspending, is between 50°C and 60°C.
Abstract translation: 本发明提供了一种从提取液中分离木质素和糖的方法，其包括以干物质（DM），木质素和糖的形式，其特征在于：a）浓缩提取的液体，以便 以60％至70％的比例获得包含干物质的液体; b）将浓缩液与水等重量份混合; c）搅拌混合物以分散木质素并获得木质素的稳定悬浮液; d）过滤溶液，在该过程中：通过将浓缩液引入水中进行混合; 在悬浮期间溶液的温度在50℃和60℃之间。
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7.发明申请METHOD FOR PRETREATING PLANT STARTING MATERIAL FOR THE PRODUCTION, FROM SACCHARIFEROUS AND LIGNOCELLULOSIC RESOURCES, OF BIOETHANOL AND/OR OF SUGAR, AND PLANT 审中-公开用于预备植物起始材料的方法，所述起始材料用于从酿酒酵母和木质纤维素资源生产生物乙醇和/或糖和植物
公开(公告)号：WO2010006840A2
公开(公告)日：2010-01-21
申请号：PCT/EP2009/056806
申请日：2009-06-03
Applicant: COMPAGNIE INDUSTRIELLE DE LA MATIERE VEGETALE - CIMV , BENJELLOUN MLAYAH, Bouchra , DELMAS, Michel , LEVASSEUR, Gérard , SCHOLASTIQUE, Thierry
CPC classification number: C13K1/02 , C12P7/10 , C12P2201/00 , C13B10/02 , C13B10/08 , D21C3/00 , D21C3/003 , D21C3/04 , D21C3/20 , D21C3/22 , D21C3/222 , Y02E50/16
Abstract: The invention proposes a method for pretreating plant starting material for the purpose of producing bioethanol and/or sugar by means of a common chamber (12), characterized in that: -during one period, the plant material (MP), introduced into the common pretreatment chamber, is a lignocellulosic plant starting material, the pretreatment of which is aimed at separating the cellulose, the hemicelluloses and the lignins so as to obtain a pretreated plant material that canbe hydrolysed and fermented for the production of bioethanol; -during another period, the plant material (MP), introduced into the common pretreatment chamber, is a sacchariferous plant starting material, the pretreatment of which is aimed at extracting therefrom, by diffusion, a sugar juice for the production of sugar and/or of bioethanol.
Abstract translation: 本发明提出了一种用于通过公共室（12）为了生产生物乙醇和/或糖而预处理植物起始材料的方法，其特征在于： - 在一个时期内，植物材料 （MP）是一种木质纤维素植物原料，其预处理旨在分离纤维素，半纤维素和木质素，从而获得可水解和发酵用于生产的预处理的植物材料 生物乙醇; - 在另一个时期，引入共同预处理室的植物材料（MP）是含糖植物原料，其预处理旨在通过扩散从中提取用于生产糖的糖汁和/或 的生物乙醇。
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8.发明申请PHENOLIC RESIN OBTAINED BY POLYCONDENSATION OF FORMALDEHYDE, PHENOL AND LIGNIN 审中-公开聚对苯二甲酸丁二醇，苯乙烯和苯乙烯聚合得到的酚醛树脂
公开(公告)号：WO2014206586A1
公开(公告)日：2014-12-31
申请号：PCT/EP2014/056035
申请日：2014-03-26
Inventor： DELMAS, Michel , BENJELLOUN MLAYAH, Bouchra
CPC classification number: C08G8/38 , C08G8/24 , C08G16/0293 , C08H6/00 , C09J161/06 , C09J161/12
Abstract: The invention proposes a lignin-phenol-formaldehyde resin, which is obtained by polycondensation of formaldehyde, phenol and lignin in the presence of a basic or acidic catalyst, characterized in that the lignin is a lignin that is not chemically modified at the available functional groups. This lignin has a low molecular mass and it comprises available functional groups chosen from the group comprising aliphatic hydroxyls and phenolic hydroxyls. The degree of substitution by weight of phenol with the said lignin is between 50% and 60%. The weight proportion of the said lignin and of phenol in the resin is equal to the weight proportion of phenol in a lignin-free phenol-formaldehyde (PF) resin.
Abstract translation: 本发明提出了一种木质素 - 酚醛树脂，其通过甲醛，苯酚和木质素在碱性或酸性催化剂存在下缩聚获得，其特征在于木质素是在可用的官能团下不进行化学改性的木质素 。 该木质素具有低分子量，并且其包含可用的选自脂族羟基和酚羟基的官能团。 苯酚与所述木质素的重量取代度在50％至60％之间。 所述木质素和苯酚在树脂中的重量比例等于无木质素酚醛树脂（PF）树脂中苯酚的重量比例。
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9.发明申请PROCESS FOR PRETREATING A LIGNOCELLULOSIC MATERIAL WITH A VIEW TO PRODUCING BIOETHANOL, AND BIOETHANOL PRODUCTION PROCESS 审中-公开用于生产生物乙醇的视图和生物柴油生产过程预处理纤维素材料的方法
公开(公告)号：WO2009092749A1
公开(公告)日：2009-07-30
申请号：PCT/EP2009/050690
申请日：2009-01-22
Applicant: COMPAGNIE INDUSTRIELLE DE LA MATIERE VEGETALE CIMV , DELMAS, Michel , BENJELLOUN MARRIED MLAYAH, Bouchra
Inventor： DELMAS, Michel , BENJELLOUN MARRIED MLAYAH, Bouchra
Abstract: The invention provides a process for pretreating a lignocellulosic plant raw material in order to obtain a pretreated material that is capable of being hydrolyzed and fermented for the production of bioethanol, characterized in that it comprises the following successive steps that consist in : • (i) destructuring the lignocellulosic plant raw material by placing it in the presence of a mixture containing formic acid and water, at a reaction temperature between 95°C and 110°C; • (ii) then, at atmospheric pressure and prior to any hydrolysis then fermentation action, in separating : * on the one hand, the solid phase, mainly composed of said cellulose, constituting a first co-substrate, capable of then being hydrolyzed and fermented for the production of bioethanol; and * on the other hand, the liquid phase, containing, in particular in aqueous solution, the formic acid, the lignins, and the hemicelluloses, constituting a second co-substrate, capable of then being hydrolyzed and fermented for the production of bioethanol.
Abstract translation: 本发明提供了一种用于预处理木质纤维素植物原料以获得能够被水解和发酵用于生产生物乙醇的预处理材料的方法，其特征在于其包括以下连续步骤：（i）解构 在含有甲酸和水的混合物存在下，在95℃至110℃的反应温度下将木质纤维素植物原料置于其中; （ii）然后，在大气压下，在任何水解之前，然后发酵作用，分离：*一方面，主要由所述纤维素组成的固相，构成第一共底物，然后能够水解和发酵 用于生产生物乙醇; 另一方面，含有特别是在水溶液中的液相，构成第二共底物的甲酸，木质素和半纤维素，然后水解和发酵生产生物乙醇。
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