知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

136 条记录 (耗时 0.023 秒)

    Method for extracting ammonium salt and methanol from a liquid obtained from foul condensates in a cellulose pulp mill
    4.
    发明授权
    Method for extracting ammonium salt and methanol from a liquid obtained from foul condensates in a cellulose pulp mill 有权
    从纤维素纸浆机中得到的粗劣缩合物中得到的液体中提取铵盐和甲醇的方法

    公开(公告)号：US08440159B2

    公开(公告)日：2013-05-14

    申请号：US12744479

    申请日：2008-11-26

    申请人： Jorg Brucher ,  Anders Johan Norberg

    发明人： Jorg Brucher ,  Anders Johan Norberg

    IPC分类号： C01B21/20 ,  C01C1/18 ,  D21C3/20

    CPC分类号： D21C11/00 ,  D21C11/06 ,  D21C11/08 ,  D21C11/10

    摘要： Desirable chemicals are recovered from a raw material that is formed in substantial amounts during the production of cellulose pulp from renewable lingo-cellulose material. An ammonia/ammonium-containing methanol/water mixture is acidified with an acid that has the ability of forming ammonium salt with the ammonium. The mixture is circulated and passed through an apparatus that has an indirect heat exchanger combined with an storage volume fitted with a gas collection device.

    摘要翻译： 在从可再生的纤维素纤维素材料生产纤维素纸浆期间大量形成的原料中回收理想的化学品。 含氨/铵的甲醇/水混合物用具有与铵形成铵盐的能力的酸酸化。 将混合物循环并通过具有间接热交换器与装有气体收集装置的储存容积组合的装置。

    CIRCULAR UTILIZATION METHOD IN PULPING AND PAPERMAKING PROCESSES WITH STRAW
    5.
    发明申请
    CIRCULAR UTILIZATION METHOD IN PULPING AND PAPERMAKING PROCESSES WITH STRAW 有权
    循环利用方法在造纸和造纸过程中的应用

    公开(公告)号：US20120325421A1

    公开(公告)日：2012-12-27

    申请号：US13581820

    申请日：2011-03-11

    申请人： Hongfa Li ,  Mingxin Song ,  Songtao Chen ,  Jihui Yang ,  Liangjin Guo

    发明人： Hongfa Li ,  Mingxin Song ,  Songtao Chen ,  Jihui Yang ,  Liangjin Guo

    IPC分类号： D21F1/66

    CPC分类号： D21H11/12 ,  C02F1/52 ,  C02F3/28 ,  C02F3/30 ,  C02F9/00 ,  C02F2103/28 ,  C02F2303/16 ,  C05F7/02 ,  C05F17/009 ,  D21C3/22 ,  D21C11/02 ,  D21C11/06 ,  D21C11/10 ,  Y02P20/145 ,  Y02W30/43 ,  Y02W30/47 ,  Y10S210/928

    摘要： A circular utilization method in pulping and papermaking processes with straw Primary pulp is obtained by digesting straw raw material according to the ammonium sulfite method. Concentrated black liquor is extruded from the primary pulp; paper pulp and diluted black liquor. The concentrated black liquor and the diluted black liquor are mixed, and a contaminated condensate is obtained. A residual concentrate or the concentrated black liquor is used for preparing a fertilizer. The contaminated condensate is mixed with one or more of the waste material obtained from stock preparation, a crop byproduct or organic waste, and substrate or fertilizer is obtained by fermenting the nitrogen source of the contaminated condensate or ammonium sulfite, or using the contaminated condensate for desulfurizing flue gas. Ammonia and flue gas are reacted to obtain the ammonium sulfite as a digestion agent; and water from recycling is used in corresponding phases of the pulping process.

    摘要翻译： 采用秸秆制浆和造纸工艺的循环利用方法通过按亚硫酸铵法消化秸秆原料得到原浆。 浓缩黑液从初级纸浆中挤出; 纸浆和稀释黑液。 将浓缩的黑液和稀释的黑液混合，得到污染的冷凝物。 残余浓缩物或浓缩黑液用于制备肥料。 将污染的冷凝物与从备料制剂，作物副产物或有机废物获得的一种或多种废物混合，并且通过将污染的冷凝物或亚硫酸铵的氮源发酵，或将污染的冷凝物用于 脱硫烟气。 使氨和烟气反应，得到亚硫酸铵作为消化剂; 并且来自回收的水用于制浆过程的相应阶段。

    System and Method for Conditioning a Hardwood Pulp Liquid Hydrolysate
    6.
    发明申请
    System and Method for Conditioning a Hardwood Pulp Liquid Hydrolysate 失效
    用于调节硬木浆液体水解产物的系统和方法

    公开(公告)号：US20120017891A1

    公开(公告)日：2012-01-26

    申请号：US13187818

    申请日：2011-07-21

    申请人： Darrell M. Waite ,  Richard Arnold ,  James St. Pierre ,  Hemant P. Pendse ,  William H. Ceckler

    发明人： Darrell M. Waite ,  Richard Arnold ,  James St. Pierre ,  Hemant P. Pendse ,  William H. Ceckler

    IPC分类号： B01J19/00 ,  C13K13/00

    CPC分类号： D21C11/0007 ,  C13K1/02 ,  C13K13/00 ,  D21C11/0042 ,  D21C11/10

    摘要： A system and method for hardwood pulp liquid hydrolysate conditioning includes a first evaporator receives a hardwood mix extract and outputting a quantity of vapor and extract. A hydrolysis unit receives the extract, hydrolyzes and outputs to a lignin separation device, which separates and recovers a quantity of lignin. A neutralization device receives extract from the lignin separation device and a neutralizing agent, producing a mixture of solid precipitate and a fifth extract. The solid precipitate is removed from the fifth extract. A second evaporator removes a quantity of acid from the fifth extract in a vapor form. This vapor may be recycled to improve total acid recovery or discarded. A desalination device receives the diluted extract, separates out some of the acid and salt and outputs a desalinated solution.

    摘要翻译： 用于硬木浆液体水解物调理的系统和方法包括第一蒸发器接收硬木混合物提取物并输出一定量的蒸气和提取物。 水解单元接收提取物，水解并输出到木质素分离装置，其分离并回收一定量的木质素。 中和装置接收来自木质素分离装置和中和剂的提取物，产生固体沉淀物和第五提取物的混合物。 从第五提取物中除去固体沉淀物。 第二蒸发器以蒸气形式从第五提取物中除去一定量的酸。 可以将该蒸气再循环以改善总酸回收率或丢弃。 脱盐装置接收稀释的提取物，分离出一些酸和盐，并输出脱盐溶液。

    Method For Recovering A Low Sodium Content Lignin Fuel From Black Liquor
    7.
    发明申请
    Method For Recovering A Low Sodium Content Lignin Fuel From Black Liquor 有权
    从黑酒中回收低钠含量木质素燃料的方法

    公开(公告)号：US20100041879A1

    公开(公告)日：2010-02-18

    申请号：US12520586

    申请日：2007-12-17

    申请人： Lars Stigsson ,  Curt Lindstrom

    发明人： Lars Stigsson ,  Curt Lindstrom

    IPC分类号： C07H1/06

    CPC分类号： D21C11/0007 ,  C07G1/00 ,  C08H6/00 ,  D21C9/02 ,  D21C11/0021 ,  D21C11/02 ,  D21C11/10

    摘要： There is disclosed a method for recovering a low sodium content lignin from spent kraft cooking liquor without the use a of strong mineral acid for acidulation comprising the steps of acidulating a spent kraft cooking liquor with carbon dioxide gas to a pH below about 10.5, precipitating at least a portion of the lignin forming lignin agglomerates and lignin particles in the spent kraft cooking liquor and recovering a low water and low sodium content lignin product comprising calcium or magnesium compounds bound to said lignin.

    摘要翻译： 公开了一种用于从废牛皮纸蒸煮液中回收低钠含量木质素的方法，而不使用强无机酸用于酸化，包括以下步骤：用二氧化碳将废硫酸盐蒸煮液酸化至pH低于约10.5，沉淀在 在废硫酸盐蒸煮液中形成木质素聚集体和木质素颗粒的至少一部分，并回收包含与所述木质素结合的钙或镁化合物的低水和低钠含量的木质素产物。

    Cooking of cellulose pulp in a cooking liquor containing pre-evaporated black liquor
    8.
    发明授权
    Cooking of cellulose pulp in a cooking liquor containing pre-evaporated black liquor 有权
    在含有预蒸发黑液的蒸煮液中烹调纤维素纸浆

    公开(公告)号：US07351306B2

    公开(公告)日：2008-04-01

    申请号：US10501246

    申请日：2003-01-17

    申请人： Mikael Lindstrom ,  Vidar Snekkenes

    发明人： Mikael Lindstrom ,  Vidar Snekkenes

    IPC分类号： D21C3/26 ,  D21C3/24 ,  D21C3/02

    CPC分类号： D21C3/222 ,  D21C11/10

    摘要： The method is for cooking of cellulose pulp in which the raw material, preferably in the form of chips, undergoes a successive elevation of temperature towards the cooking temperature while the chips are first impregnated with an impregnation liquor followed by cooking in a cooking liquor that is preferably alkali. Through the addition of pre-evaporated black liquor, either as early as the impregnation stage or during the subsequent cooking stage, an improved delignification process is achieved in which the pulp obtains improved properties, primarily with respect to strength/viscosity for a given degree of delignification, and also with respect to yield. The method can be used both for continuous cooking and for batch cooking of cellulose pulp.

    摘要翻译： 该方法用于烹饪纤维素纸浆，其中优选以碎屑形式的原料经历温度朝着烹饪温度的连续升高，同时首先用浸渍液浸渍木屑，然后在蒸煮液中烹饪， 优选碱。 通过加入预蒸发的黑液，无论是早在浸渍阶段还是在随后的烹饪阶段，实现了改进的脱木质过程，其中纸浆获得改进的性能，主要是对于给定程度的强度/粘度 脱木质素，以及产量。 该方法可用于连续烹饪和用于纤维素浆的分批烹饪。

    Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances
    9.
    发明授权
    Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances 失效
    用于蒸发液体的方法和装置，例如来自纤维素烹饪的黑液，其含有固体和溶解的物质

    公开(公告)号：US06887345B2

    公开(公告)日：2005-05-03

    申请号：US10432093

    申请日：2001-11-20

    申请人： Ismo Hirvonen ,  Randy Stern

    发明人： Ismo Hirvonen ,  Randy Stern

    IPC分类号： B01D1/06 ,  B01D1/22 ,  B01D3/06 ,  D21C11/10

    CPC分类号： B01D1/065 ,  B01D1/22 ,  B01D3/06 ,  D21C11/10 ,  Y10S159/08 ,  Y10S159/32

    摘要： The present invention relates to a process and a device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances which are to be concentrated. The liquid is heated to close to boiling temperature in a heat exchanger (1) of the falling-film type. The process is characterized in that the pressure on the liquid side in the falling-film heat exchanger (1) is kept so high that boiling does not take place in this heat exchanger and in that the evaporation takes place, by means of flashing, in a separate expansion tank (7) that has a lower steam.

    摘要翻译： 本发明涉及用于蒸发液体的方法和装置，例如来自纤维素烹饪的黑液，其含有待浓缩的固体和溶解物质。 在降膜型热交换器（1）中将液体加热至接近沸腾温度。 该方法的特征在于，降膜热交换器（1）中的液体侧的压力保持如此高，使得在该热交换器中不会发生沸腾，并且通过闪蒸发生蒸发 具有较低蒸汽的单独的膨胀箱（7）。