公开(公告)号：US11993895B2

公开(公告)日：2024-05-28

申请号：US17282451

申请日：2019-10-02

申请人： ANDRITZ OY

发明人： Marco Andrade ,  Ronny Geiger ,  Vesa Kaipainen ,  Auvo Kettunen ,  Petri Tarjavuori ,  Viridiane Vianna

IPC分类号： D21C1/06 ,  D21C3/24 ,  D21C3/26 ,  D21C7/06

CPC分类号： D21C1/06 ,  D21C3/24 ,  D21C3/26 ,  D21C7/06

摘要： A method for feeding a slurry of chips and liquid to a prehydrolysis reactor in the production of dissolving pulp. The slurry is pumped by using at least one pump to the reactor, and alkali is fed into the at least one pump 5 for adjusting the pH of the slurry to a range of 7-10.

公开(公告)号：US20180135245A1

公开(公告)日：2018-05-17

申请号：US15810208

申请日：2017-11-13

申请人： GP Cellulose GmbH

发明人： Arthur J. Nonni ,  Charles E. Courchene

IPC分类号： D21C9/10 ,  D21C9/14 ,  D21C9/16 ,  D21C3/26 ,  D21H11/20 ,  C08B15/04 ,  B01J23/72 ,  B01J23/745

CPC分类号： D21C9/1057 ,  B01J23/72 ,  B01J23/745 ,  C08B15/04 ,  D21C3/26 ,  D21C9/10 ,  D21C9/1036 ,  D21C9/14 ,  D21C9/144 ,  D21C9/16 ,  D21C9/163 ,  D21H11/04 ,  D21H11/20 ,  D21H27/002

摘要： This disclosure relates to improved products containing oxidized cellulose. This disclosure further relates to improved methods of making oxidized cellulose in multi-stage bleaching processes, including, for example, in four-stage and three-stage bleaching processes. This disclosure further relates to products made therefrom, including wipe, tissue, towel, and napkin products.

公开(公告)号：US20170268168A1

公开(公告)日：2017-09-21

申请号：US15445265

申请日：2017-02-28

申请人： Shandong Tralin Paper Co., Ltd.

发明人： Hongfa Li ,  Mingxin Song ,  Songtao Chen ,  Qingtao Wang ,  Jixing Chu ,  Yingwen Dong

IPC分类号： D21C3/24 ,  D21C3/26 ,  D21C3/02 ,  D21H11/12 ,  D21C1/02

CPC分类号： D21C3/24 ,  D21C1/02 ,  D21C3/024 ,  D21C3/26 ,  D21H11/12

摘要： A method for continuously cooking grass raw materials, includes: (1) preparing grass raw materials by conventional dry or wet method to obtain a chopped grass; (2a) conveying the chopped grass into a T-shaped tube, adding a cooking liquor from a top of the tube and mixing with the chopped grass tube to obtain a forage; (2b) adding steam to the forage being in the horizontal tube, the forage being heated and going into a spherical mixer; (2c) adding a cooking liquor extruded by a dehydration spiral into the spherical mixer, mixing uniformly with the forage in the spherical mixer; (3) conveying the forage after the pre-cooking process to a digester, heating the cooking liquor by a heater arranged outside the digester, and sending the cooking liquor back to the digester for cooking the forage to obtain a pulp of the grass raw materials.

公开(公告)号：US20170204563A1

公开(公告)日：2017-07-20

申请号：US15420153

申请日：2017-01-31

申请人： API Intellectual Property Holdings, LLC

发明人： Theodora RETSINA ,  Vesa PYLKKANEN ,  Steven R. RUTHERFORD

IPC分类号： D21C3/22 ,  D21C11/00 ,  C08B37/00 ,  C13K1/02 ,  C12P7/56 ,  C12P19/14 ,  C12P7/10 ,  C12P7/16 ,  C12P7/54 ,  D21C9/02 ,  D21H11/00

CPC分类号： D21C3/22 ,  C08B1/00 ,  C08B37/0057 ,  C08H8/00 ,  C12P7/10 ,  C12P7/16 ,  C12P7/54 ,  C12P7/56 ,  C12P19/14 ,  C13K1/02 ,  D21B1/02 ,  D21B1/021 ,  D21C1/02 ,  D21C3/02 ,  D21C3/08 ,  D21C3/20 ,  D21C3/222 ,  D21C3/26 ,  D21C9/02 ,  D21C11/0007 ,  D21H11/00 ,  Y02E50/16

摘要： The GreenBox+ technology is suitable to extract hemicellulose sugars prior to pulping of biomass into pulp products. The revenue obtainable from the sugar stream can significantly improve the economics of a pulp and paper mill. An initial extraction and recovery of sugars is followed by production of a pulp product with similar or better properties. Other co-products such as acetates and furfural are also possible. Some variations provide a process for co-producing pulp and hemicellulosic sugars from biomass, comprising: digesting the biomass in the presence of steam and/or hot water to extract hemicellulose into a liquid phase; washing the extracted solids, thereby generating a liquid wash filtrate and washed solids; separating the liquid wash filtrate from the washed solids; refining the washed solids at a refining pH of about 4 or higher, thereby generating pulp; and hydrolyzing the hemicellulose to generate hemicellulosic fermentable sugars.

公开(公告)号：US20160222586A1

公开(公告)日：2016-08-04

申请号：US15098383

申请日：2016-04-14

申请人： API Intellectual Property Holdings, LLC

发明人： Theodora RETSINA ,  Vesa PYLKKANEN ,  Steven R. RUTHERFORD

IPC分类号： D21C3/22 ,  D21C11/00 ,  D21C9/02

CPC分类号： D21C3/22 ,  C08B1/00 ,  C08B37/0057 ,  C08H8/00 ,  C12P7/10 ,  C12P7/16 ,  C12P7/54 ,  C12P7/56 ,  C12P19/14 ,  C13K1/02 ,  D21B1/02 ,  D21B1/021 ,  D21C1/02 ,  D21C3/02 ,  D21C3/08 ,  D21C3/20 ,  D21C3/222 ,  D21C3/26 ,  D21C9/02 ,  D21C11/0007 ,  D21H11/00

摘要： The GreenBox+ technology is suitable to extract hemicellulose sugars prior to pulping of biomass into pulp products. The revenue obtainable from the sugar stream can significantly improve the economics of a pulp and paper mill. An initial extraction and recovery of sugars is followed by production of a pulp product with similar or better properties. Other co-products such as acetates and furfural are also possible. Some variations provide a process for co-producing pulp and hemicellulosic sugars from biomass, comprising: digesting the biomass in the presence of steam and/or hot water to extract hemicellulose into a liquid phase; washing the extracted solids, thereby generating a liquid wash filtrate and washed solids; separating the liquid wash filtrate from the washed solids; refining the washed solids at a refining pH of about 4 or higher, thereby generating pulp; and hydrolyzing the hemicellulose to generate hemicellulosic fermentable sugars.

摘要翻译： GreenBox +技术适用于在将生物量制浆成纸浆产品之前提取半纤维素糖。 从糖流中获得的收入可以显着提高纸浆和造纸厂的经济性。 首先提取和回收糖，然后生产具有相似或更好性质的纸浆产品。 其他共同产品如乙酸盐和糠醛也是可能的。 一些变化提供了从生物质共同生产纸浆和半纤维素糖的方法，其包括：在蒸汽和/或热水存在下消化生物质以将半纤维素提取到液相中; 洗涤提取的固体，从而产生液体洗涤滤液并洗涤固体; 从洗涤的固体中分离液体洗涤滤液; 在约4或更高的精炼pH下精制洗涤的固体，从而产生纸浆; 并水解半纤维素以产生半纤维素可发酵糖。

公开(公告)号：US20160153138A1

公开(公告)日：2016-06-02

申请号：US14951520

申请日：2015-11-25

申请人： Valmet AB

发明人： Petteri Kuusisto

IPC分类号： D21C3/26

CPC分类号： D21C3/26 ,  D21C1/00 ,  D21C3/00 ,  D21C7/00 ,  D21C7/12

摘要： The method is for producing pulp in batch digesters. More particularly, the method is for ending a treatment phase of the digester content. In order to obtain a more uniform pulp quality from the process is the treatment phase ended by displacing a liquor volume (WLP) through the digester vessel with an imposed increasing temperature in the displacement liquor added to digester.

摘要翻译： 该方法用于在分批式蒸煮器中生产纸浆。 更具体地，该方法是结束消化器内容物的处理阶段。 为了从该过程获得更均匀的纸浆质量，处理阶段通过在加入到蒸煮器中的置换液体中施加的温度升高通过蒸煮器容器置换液体体积（WLP）而结束。

公开(公告)号：US20150232803A1

公开(公告)日：2015-08-20

申请号：US14428961

申请日：2013-09-16

申请人： BEIJING TIAN'AN BIOSCIENCE & TECHNOLOGY CO., LTD.

发明人： Ping Jia

IPC分类号： C12N1/20 ,  D21C5/00 ,  D21C3/26 ,  D06M16/00

CPC分类号： C12N1/20 ,  C05F5/002 ,  C05F7/005 ,  C05F17/0027 ,  C05F17/0276 ,  C12P19/04 ,  C12R1/01 ,  C12R1/07 ,  C12R1/39 ,  C12R1/645 ,  C12R1/72 ,  C12R1/85 ,  D06M16/003 ,  D21C3/26 ,  D21C5/005 ,  Y02A40/21 ,  Y02E50/343 ,  Y02P20/145 ,  Y02W30/43 ,  Y02W30/47

摘要： Provided are a complex microbial flora, an application thereof in preparing a textile fabric, a cellulose for use as an additive, and a biological bacterial solution pulp, and a method for using the complex microbial flora. The complex microbial flora comprises Bacillus sp. of deposit number CGMCC No. 5971, Rheinheimera tangshanensis of deposit number CGMCC No. 5972, Acinetobacter Iwoffi of deposit number CGMCC No. 5973, Pseudomonas fluorescens of deposit number CGMCC No. 5974, and Wickerhamomyces anomalus of deposit number CGMCC No. 5975. The method provided comprises: formulation of a bacterial solution, processing of raw materials, and preparation or pulping of the fiber. In one embodiment, the invention generally includes at least one Bacillus. Sp. under CGMCC Deposit No. 5971 alone or in the presence of other microorganisms as a complex microbial flora, and their applications thereof.

摘要翻译： 提供了一种复杂的微生物菌群，其在制备纺织织物中的应用，用作添加剂的纤维素和生物细菌溶液浆，以及使用复合微生物菌群的方法。 复杂的微生物菌群包括芽孢杆菌属 存款编号CGMCC号5971，存放号CGMCC号5972的唐氏综合征，存款编号CGMCC号5973的不动杆菌，保藏号CGMCC号5974的荧光假单胞菌，以及保藏号CGMCC号5975的Wickerhamomyces异常。 提供的方法包括：细菌溶液的配制，原料的处理，纤维的制备或制浆。 在一个实施方案中，本发明通常包括至少一种芽孢杆菌。 Sp。 在CGMCC第5971号矿床单独或其他微生物作为复合微生物菌群的存在下，及其应用。

公开(公告)号：US20120305209A1

公开(公告)日：2012-12-06

申请号：US13572403

申请日：2012-08-10

申请人： Nam Hee SHIN ,  C. Bertil Stromberg

发明人： Nam Hee SHIN ,  C. Bertil Stromberg

IPC分类号： D21C7/00

CPC分类号： D21C3/02 ,  D21C1/06 ,  D21C3/222 ,  D21C3/26

摘要： Systems are provided for continuously producing chemical cellulose pulp from a slurry of comminuted hardwood material by subjecting the slurry of comminuted hardwood material to a first cooking stage under conditions sufficient to reduce syringyl lignin (s-lignin) content in the hardwood material as compared to guaiacyl lignin (g-lignin) content therein, and thereafter subjecting the slurry of comminuted hardwood material to a second cooking stage under conditions sufficient to reduce the g-lignin content remaining therein after the first cooking stage.

摘要翻译： 提供系统用于从粉碎的硬木材料的浆料连续生产化学纤维素纸浆，通过将粉碎的硬木材料的浆料在足以降低硬木材料中的丁香木质素（s-木质素）含量的条件下进行第一烹饪阶段，与愈创木酰基 木质素（g-木质素）含量，然后在足以在第一烹饪阶段之后还原其中残留的g-木质素含量的条件下将经粉碎的硬木材料的浆料经受第二蒸煮阶段。

公开(公告)号：US20120111515A1

公开(公告)日：2012-05-10

申请号：US13383452

申请日：2010-07-12

申请人： Pål Jahre Nilsen ,  Odd Egil Solheim ,  Paul Walley

发明人： Pål Jahre Nilsen ,  Odd Egil Solheim ,  Paul Walley

IPC分类号： D21C1/02

CPC分类号： D21C3/26 ,  B01J3/006 ,  B01J3/02 ,  C02F1/025 ,  C02F2301/066 ,  C02F2301/106 ,  C02F2303/06 ,  C12M45/02 ,  C12M45/20 ,  D21C1/02 ,  D21C7/08

摘要： It is described a process for thermal hydrolysis and team explosion of biomass, said method comprising the steps of: (i) leading the biomass approximately continuous to a first preheating step and preheat the biomass, (ii) leading the preheated biomass into at least two reactors sequentially, (iii) heating and pressurising the reactor by addition of steam, (iv) keeping the re-actor(s) at a certain temperature and pressure for a certain time, (v) leading the heated and pressurised biomass from the reactor(s) to a first pressure relief tank without any substantial pressure reduction and quickly relief the pressure of the biomass by means of a nozzle, in order to disintegrate the biomass, (vi) leading the biomass from the first pressure relief tank to a second pressure relief tank having a lower pressure than the pressure of the first pressure relief tank, (vii) leading the so treated biomass to a downstream facility for subsequent treatment. The invention also comprises a device for thermal treatment of biomass.

摘要翻译： 描述了生物质的热水解和团队爆炸的方法，所述方法包括以下步骤：（i）将生物质连续引导到第一预热步骤并预热生物质，（ii）将预热的生物质导入至少两个 反应器依次加入（iii）通过加入蒸汽加热和加压反应器，（iv）将反应器保持在一定温度和压力下一定时间，（v）使来自反应器的加热和加压的生物质 （vii）将生物质从第一压力释放罐引导到第二压力释放罐，以便将生物质从第一压力释放罐引导到第二压力释放罐， 减压罐的压力低于第一泄压罐的压力，（vii）将如此处理的生物质引导到下游设备用于随后的处理。 本发明还包括用于生物质的热处理的装置。

公开(公告)号：US20120031574A1

公开(公告)日：2012-02-09

申请号：US13177841

申请日：2011-07-07

申请人： Bertil STROMBERG

发明人： Bertil STROMBERG

IPC分类号： D21C3/00

CPC分类号： D21C7/06 ,  D21C3/26 ,  D21C7/12 ,  D21C7/14

摘要： A method for chemically digesting cellulosic fibrous material including: adding a liquor to cellulosic fibrous material to form a slurry in a chip feed system; transporting the slurry from the chip feed system to a batch digester vessel; determining when a chip level rises above an extraction screen in the batch digester vessel; after the chip level rises above the extraction screen, extracting liquor from the batch digester vessel while the transport continues of the slurry into the batch digester vessel; adding cooking liquor to slurry in the batch digester vessel; ceasing the transport of the slurry into the batch digester vessel and thereafter converting the cellulosic material in the vessel to a pulp, and discharging the pulp from the batch digester vessel before restarting the transporting of the slurry into the digester vessel.

摘要翻译： 一种用于化学消化纤维素纤维材料的方法，包括：向纤维素纤维材料中加入液体以在芯片进料系统中形成浆料; 将浆料从芯片进料系统运送到分批蒸煮器皿; 确定碎片水平何时升高到分批蒸煮器容器中的提取屏幕之上; 在芯片水平升高到提取屏幕上方之后，从批量蒸煮器容器中提取液体，同时浆料继续进入分批蒸煮器容器; 在分批蒸煮容器中向浆料中加入蒸煮液; 停止将浆料输送到分批蒸煮器容器中，然后将容器中的纤维素材料转化为纸浆，并在重新开始将浆料输送到蒸煮器容器内之前从分批蒸煮器容器排出浆料。