公开(公告)号：US20020084044A1

公开(公告)日：2002-07-04

申请号：US10008454

申请日：2001-11-02

Applicant: KEMESTRIE INC.

Inventor： Paul Jollez ,  Esteban Chornet ,  Sylvain Cloutier

IPC: D21B001/16 ,  D21H011/14 ,  D21C009/16

CPC classification number: C08B15/02 ,  D21C9/001

Abstract: A process for producing microcrystalline cellulose. The process comprising the following steps: a) preparation of a pulp by repulping, b) pressing of the pulp obtained in a), c) decompaction of the pulp obtained in b), d) feeding of the pulp obtained in c) into a pre-heated reactor, e) cooking of the pulp at a temperature, a time and a pressure allowing to obtain a pulp having a desired degree of polymerisation, f) cooling and partial controlled depressurisation of the reactor by purging the reactor, followed by a water injection into the jacket and direcUy into the reactor, g) filtering the pulp obtained in f), h) bleaching of the pulp obtained in g), and i) drying the pulp obtained in h). The process allows the application of a controlled depressurisation in step f), which in turn allows to keep the natural texture of the fibers and to obtain a cellulose having a low degree of polymerization.

Abstract translation: 微晶纤维素的制造方法。 该方法包括以下步骤：a）通过再浆化制备纸浆，b）压制a）中得到的纸浆，c）b）中得到的纸浆的分解，d）将c​​）中得到的纸浆进料到 预热反应器，e）在允许获得具有所需聚合度的纸浆的温度，时间和压力下烹饪纸浆，f）通过清洗反应器冷却和部分控制的反应器减压，随后是 水注入到夹套中并朝向反应器，g）过滤在f）中获得的纸浆，h）漂白在g）中获得的纸浆，和i）干燥h）中获得的纸浆。 该方法允许在步骤f）中施加受控的减压，这又允许保持纤维的天然质地并获得低聚合度的纤维素。

公开(公告)号：US20040007142A1

公开(公告)日：2004-01-15

申请号：US10431344

申请日：2003-05-06

Applicant: Kemestrie Inc.

Inventor： Paul Jollez ,  Sylvain Cloutier

IPC: B30B009/12 ,  B30B009/14 ,  B30B009/16 ,  B30B009/18 ,  D21F005/00 ,  F25C005/14 ,  D21F005/16 ,  H05B006/00 ,  H05B006/14 ,  B30B009/20 ,  B02C011/08 ,  F26B013/00 ,  B30B015/34 ,  B21B027/00 ,  B32B031/20 ,  B29C033/02 ,  B29C043/52

CPC classification number: B01F3/1271 ,  B01F3/1221 ,  B01F7/00908 ,  B01F7/086 ,  B01F13/065 ,  B01F15/00123 ,  B01F15/0035 ,  B01F15/00357 ,  B01F15/00396 ,  B01F15/0201 ,  B01F15/026 ,  B01F15/0266 ,  B01F15/0283 ,  D21C7/08 ,  D21C7/12

Abstract: An apparatus for treating material, such as lignocellulose material, fibrous material, particulate material, cellulosic material, and the like. The apparatus includes a feed system, a reactor, a conveyor, and a discharge system. The feed system has an inlet for receiving the material from a supply source at ambient pressure conditions and an outlet for releasing the material. The reactor is used for treating the material and has an inlet connected to the outlet of the feed system for receiving the material released from the feed system, and an outlet for releasing the material treated by the reactor. The conveyor is located inside the reactor for conveying the material from the inlet of the reactor to the outlet thereof. The discharge system is used for discharging the material and has a chamber and a pump. The chamber has an inlet connected to the outlet of the reactor for receiving the material treated by the reactor, and an outlet. The pump is connected to the chamber for pumping liquid into the chamber so as to put the treated material received from the reactor in liquid suspension, thereby obtaining a liquid suspended treated material, said liquid suspended treated material being dischargeable from the apparatus into ambient pressure conditions through the outlet of the chamber.

Abstract translation: 用于处理材料的装置，例如木质纤维素材料，纤维材料，颗粒材料，纤维素材料等。 该设备包括进料系统，反应器，输送机和排放系统。 进料系统具有用于在环境压力条件下从供应源接收材料的入口和用于释放材料的出口。 反应器用于处理材料，并且具有连接到进料系统的出口的入口，用于接收从进料系统释放的材料，以及用于释放由反应器处理的材料的出口。 输送机位于反应器内部，用于将材料从反应器的入口输送到其出口。 排放系统用于排出材料，并具有室和泵。 该室具有连接到反应器的出口的入口，用于接收由反应器处理的材料和出口。 泵连接到室以将液体泵送到室中，以将从反应器接收的处理材料置于液体悬浮液中，从而获得液体悬浮处理的材料，所述液体悬浮处理材料可从设备排出到环境压力条件 通过室的出口。