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21. 发明公开

EP3365493A1 USE OF CELLULASE TO IMPROVE VISCOSITY CONTROL OF DISSOLVING PULP 审中-公开
公开(公告)号：EP3365493A1
公开(公告)日：2018-08-29
申请号：EP16784500.7
申请日：2016-10-20
申请人： Novozymes A/S
发明人： LOUREIRO, Pedro, Emanuel, Garcia , LUND, Henrik
IPC分类号： D21C3/00 , D21C3/24 , D21C3/26 , C12N9/42
CPC分类号： D21C3/006 , D21C3/24 , D21C3/26 , D21C5/005
摘要： The present invention relates to treatment of unbleached or partially bleached or alkaline extracted dissolving pulp with one or more cellulases. The cellulase treatment results in increased viscosity control, reduced viscosity and/or increased reactivity of the final dissolving pulp.

22. 发明公开

EP2802708A1 A LOW VISCOSITY KRAFT FIBER HAVING REDUCED YELLOWING PROPERTIES AND METHODS OF MAKING AND USING THE SAME 有权
标题翻译：低粘度功率光纤，减少VERGILBUNGSBLOCKER性质及其制备方法和用途
公开(公告)号：EP2802708A1
公开(公告)日：2014-11-19
申请号：EP13701533.5
申请日：2013-01-11
申请人： GP Cellulose GmbH
发明人： NONNI, Arthur, J. , COURCHENE, Charles, E. , CAMPBELL, Phillip, R. , DOWDLE, Steven, C. , ENGLE, Joel, M.
IPC分类号： D21C3/26 , D21C9/10 , D21C9/16
CPC分类号： D21C9/123 , D01F2/00 , D21C3/263 , D21C9/1057 , D21C9/163 , D21H11/04
摘要： A bleached softwood kraft pulp fiber with high alpha cellulose content and improved anti-yellowing is provided. Methods for making the kraft pulp fiber and products from it are also described.

23. 发明公开

EP2247781A2 SYSTEM AND METHOD FOR PREEXTRACTION OF HEMICELLULOSE THROUGH USING A CONTINUOUS PREHYDROLYSIS AND STEAM EXPLOSION PRETREATMENT PROCESS 有权
标题翻译：系统和方法使用半连续预水解和蒸汽爆炸处理过程的预先提取
公开(公告)号：EP2247781A2
公开(公告)日：2010-11-10
申请号：EP09714368.9
申请日：2009-02-26
申请人： Andritz, Inc.
发明人： PSCHORN, Thomas , SHIN, Namhee , STROMBERG, Bertil
IPC分类号： D21C1/02 , D21C3/22 , D21C3/26 , D21C7/00 , D21B1/36
CPC分类号： D21C1/02 , C12P2201/00 , D21B1/36 , D21C3/22 , D21C3/26 , D21C7/00
摘要： A system has been developed for pretreating cellulosic biomass feed stock including: a first pressurized reactor receiving the feed stock, wherein the feed stock undergoes hydrolysis in the first pressurized reactor; a sealing device having a first pressurized coupling to a feedstock discharge port of the first pressurized reactor, and a second pressurized coupling to a second pressurized reactor; a drain for a liquid including dissolved hemi-cellulosic material extracted from the feed stock in at least one of the first pressurized reactor and the sealing and extraction device; the second pressurized reactor assembly receiving the pressurized feed stock from the sealing device at a pressure substantially greater than the pressure in the first pressurized reactor, wherein cells of the feed stock are infused with water in the second pressurized reactor, and an expansion device downstream of the second pressurized reactor assembly, wherein the expansion device rapidly releases the pressure of the feed stock discharged from the second pressurized reactor such that the feed stock undergoes a steam explosion reaction.

24. 发明公开

EP1088937A1 Process for preparing high quality paper from vegetable residuals 审中-公开
标题翻译： Verfahren zur Herstellung von Papier von hoherQualitätaus pflanzlichen Resten
公开(公告)号：EP1088937A1
公开(公告)日：2001-04-04
申请号：EP00120995.6
申请日：2000-09-27
申请人： Geopolimeri S.r.l.
发明人： Nicolucci, Clemente , Bertolini, Francesco
IPC分类号： D21H11/12 , D21C5/00 , D21C3/26
CPC分类号： D21H11/12 , C05B17/00 , C05F7/02 , D21C3/26 , D21C5/00 , C05F3/00
摘要： A process is disclosed for the chemical and physical treatment of an aqueous suspension having from 5% to 30% of dry content of residuals from alimentary or industrial use of pineapple, coconut, tamarind, bagasse, sorghum, corn, abaca or rice, and that of aquatic origin such as fresh white water-lily or the seashore vegetables varieties such as Posidonia, so to permit their use in the production of paper and board.
摘要翻译：公开了一种用于对菠萝，椰子，罗望子，甘蔗渣，高粱，玉米，巴卡巴或稻米的消费或工业使用的残留物干燥含量为5％至30％的水性悬浮液的化学和物理处理的方法，以及的水生来源，如新鲜的白色水百合或海滨蔬菜品种如Posidonia，以便允许用于生产纸张和纸板。

25. 发明公开

EP0823003A4 AMBIENT TEMPERATURE PULP BLEACHING WITH PEROXYACID SALTS 失效
标题翻译： RAUMTEMPERATURBLEICHEN VON ZELLSTOFF MIT SALZEN VONPEROXIDSÄUREN
公开(公告)号：EP0823003A4
公开(公告)日：1998-08-26
申请号：EP96910520
申请日：1996-03-21
申请人： UNION CAMP PATENT HOLDING
发明人： ALI OMAR F
IPC分类号： D21C9/10 , D21C9/16 , D21C3/04 , D21C3/26
CPC分类号： D21C9/1057 , D21C9/166
摘要： The present invention relates to a Kraft pulp bleaching stage which is to be carried out after conventional bleaching stages to high brightness. It has been discovered that ambient-temperature blaching with inorganic peroxyacid salts, such as peroxymonosulfates, at this point can provide substantial increases in pulp brightness without significant decreases in pulp viscosity. Peroxyacid bleaching according to the present invention is carried out at ambient temperature and no greater than about 40 DEG C and at an initial pH that is slightly alkaline and preferably about 7.25.
摘要翻译：本发明涉及一种牛皮纸浆漂白阶段，该阶段是在常规漂白阶段后进行的，以达到高亮度。已经发现，在这一点上用无机过氧酸盐如过氧单硫酸盐进行环境温度波纹化可以提供纸浆亮度的显着提高而不显着降低纸浆粘度。根据本发明的过氧酸漂白在环境温度下进行并且不超过约40℃，并且在初始pH为弱碱性且优选为约7.25。

26. 发明公开

EP0746651A4 EP0746651A4 - 失效
标题翻译： CN102166204A - - Google专利
公开(公告)号：EP0746651A4
公开(公告)日：1997-01-15
申请号：EP93906003
申请日：1993-02-16
IPC分类号： C01B17/22 , D21C3/02 , D21C3/26 , D21C11/00 , D21C11/04 , D21C11/06 , D21C11/10 , D21C11/12
CPC分类号： D21C3/022 , D21C3/26 , D21C11/0064 , D21C11/04 , D21C11/06 , D21C11/12 , Y10S423/03
摘要： Off gases (11) from black liquor heat treatment (10) evaporators, wood pulp digesters, etc. are treated to produce primarily hydrogen sulfide and sulfur free fuel gases such as methane, carbon monoxide, hydrogen, and ethylene. Then the hydrogen sulfide is used to produce sodium polysulfide in white liquor for cooking wood chips to produce pulp by the kraft process. Polysulfide may be formed in three different ways: by supplying air to a fuel cell (15) into which white liquor and the hydrogen sulfide containing gas have been introduced; by bringing clarified white liquor and hydrogen sulfide containing gas into contact with a wet-proofed activated carbon catalyst and oxygen containing gas; or by bringing unclarified white liquor into contact with the gas and oxygen containing gas, with lime mud acting as a catalyst, and then clarifying the polysulfide-rich white liquor produced to remove the lime mud. The white liquor produced contains about 0.5-8% on wood sodium polysulfide.
摘要翻译：处理来自黑液热处理（10）蒸发器，木浆蒸煮器等的废气（11）主要产生硫化氢和不含硫的燃料气体，例如甲烷，一氧化碳，氢气和乙烯。然后使用硫化氢在白液中生产多硫化钠，用于烹饪木片以通过硫酸盐法生产纸浆。可以通过三种不同的方式形成多硫化物：向已经引入白液和含硫化氢气体的燃料电池（15）供应空气; 将澄清的白液和含硫化氢气体与防湿活性炭催化剂和含氧气体接触; 或者通过将未澄清的白液与含气体和含氧气体接触，用作为催化剂的石灰泥，然后澄清所产生的富含多硫化物的白液以除去白泥。所产生的白液在木多硫化钠上含有约0.5-8％。

27. 发明公开

EP0520452A1 Batch process for preparing kraft pulp 失效
标题翻译：维多利亚·维尔法赫尔·祖尔斯特隆（Vier Kraft-Zellstoffen）。
公开(公告)号：EP0520452A1
公开(公告)日：1992-12-30
申请号：EP92110740.5
申请日：1992-06-25
申请人： SUNDS DEFIBRATOR PORI OY
发明人： Hiljanen, Seppo T. , Tikka, Panu O.
IPC分类号： D21C3/22 , D21C9/02 , D21C3/26
CPC分类号： D21C3/26 , D21C3/22 , D21C9/02
摘要： Methods for discharging spent cooking liquors from a batch digester containing cooked lignocellulose-containing material in spent cooking liquor are disclosed, including supplying a first portion of washing liquid to the digester to displace a first portion of the spent cooking liquor at a temperature and dry solids content which substantially corresponds to the temperature and dry solids content of the spent cooking liquor at the end of the batch digestion, supplying a second portion of washing liquid to the digester to displace a second portion of the spent cooking liquor having a temperature and dry solids content substantially lower than that of the spent cooking liquor in the digester, and maintaining the first and second portions of spent cooking liquor separate from each other. Methods of producing kraft pulp in batch digesting processes using this method are also disclosed.
摘要翻译：公开了一种在废蒸煮液中从含有熟含木素纤维素的材料的批量蒸煮器中排出废蒸煮液体的方法，包括将第一部分洗涤液体供应到消化器，以在一定温度下将废蒸煮液的第一部分置于干燥固体含量基本上对应于在批次消化结束时废蒸煮液体的温度和干固体含量，将第二部分洗涤液体供应到蒸煮器以置换具有温度和干燥固体的废蒸煮液体的第二部分含量远低于蒸煮器中的废蒸煮液的含量，并且将废蒸煮液的第一和第二部分保持彼此分离。还公开了使用该方法在批量消化方法中生产牛皮纸浆的方法。

28. 发明公开

EP0432310A1 A method for extracting the chemical components from dissociated lignocellulosic material 失效
标题翻译： Verfahren zur Extraktion der chemischen Bestandteile aus zersetztem lignocellulosischem材料。
公开(公告)号：EP0432310A1
公开(公告)日：1991-06-19
申请号：EP89123304.1
申请日：1989-12-15
申请人： TIGNEY TECHNOLOGY INC.
发明人： Delong, Edward A. , Delong, Paul E. , Rendall, Alan W., Dr. , Ritchie, R. George S., Dr.
IPC分类号： D21C3/20 , D21C3/02 , D21C3/00 , D21C3/26
CPC分类号： C08H6/00 , D21C3/003 , D21C3/02
摘要： The chemical components of lignocellulosic material that have been dissociated by a steam explosion process can be extracted from the mixture of components using a solvent extraction process. The dissociated lignocellulosic material is put in a column and the substances which are soluble in water, alcohol and caustic are leached out of the mixture by solvent extraction with relatively small volumes of those solvents. No agitation is used. Substantially pure cellulose remains in the column and it can be bleached before removal from the column.
摘要翻译：已经通过蒸汽爆炸过程解离的木质纤维素材料的化学成分可以使用溶剂萃取方法从组分的混合物中提取。将解离的木质纤维素材料放入柱中，将溶解在水，醇和苛性碱中的物质通过相对较小体积的这些溶剂的溶剂萃取从混合物中浸出。不用搅拌。基本上纯的纤维素残留在柱中，并且可以在从柱中除去之前漂白。

29. 发明授权

EP0199481B1 A process for the manufacture of cellulose pulps 失效
标题翻译：一种制造纤维素浆的方法
公开(公告)号：EP0199481B1
公开(公告)日：1989-12-13
申请号：EP86302491.5
申请日：1986-04-04
申请人： CAXTON PAPER LIMITED , YHTYNEET PAPERITEHTAAT OY
发明人： Nunweek, David Henry , Rahkila, Pekka Pellervo
IPC分类号： D21C3/26
CPC分类号： D21C3/266

30. 发明公开

EP4056755A1 ARAMID PULP AND METHOD FOR MANUFACTURING SAME 审中-实审
公开(公告)号：EP4056755A1
公开(公告)日：2022-09-14
申请号：EP20910037.9
申请日：2020-12-24
申请人： Kolon Industries, Inc.
发明人： KO, Changhee , GU, Namdae
IPC分类号： D21H13/26 , D21H17/55 , D21D1/20 , D21C3/26
摘要： According the present disclosure, there is provided an aramid pulp and a method for manufacturing the same, in which a completely dried, oilless aramid yarn that has not been applied with a general spinning oil agent is used, and thus the water dispersion and swelling time of the fiber can be reduced as compared with a conventional case, thereby providing an aramid pulp that is improved in productivity and pulp properties and excellent in interfacial adhesion force with different materials.

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