公开(公告)号：WO2011054296A1

公开(公告)日：2011-05-12

申请号：PCT/CN2010/078399

申请日：2010-11-04

Applicant: COFCO LIMITED ,  GUANGXI COFCO BIO-ENERGY CO, LTD. ,  YUE, Guojun ,  HAO, Xiaoming ,  YU, Tianyang ,  WU, Guoqing ,  DU, Jinbao ,  LIU, Xiaofeng ,  HUANG, Jiajun ,  LIN, Hailong ,  DENG, Likang ,  LUO, Hu

Inventor： YUE, Guojun ,  HAO, Xiaoming ,  YU, Tianyang ,  WU, Guoqing ,  DU, Jinbao ,  LIU, Xiaofeng ,  HUANG, Jiajun ,  LIN, Hailong ,  DENG, Likang ,  LUO, Hu

IPC: B03B5/40

CPC classification number: B03B5/40 ,  B01D21/0024 ,  B01D21/0042 ,  B01D21/245 ,  B01D21/2472 ,  B01D21/30 ,  B03B9/00 ,  B03B2005/405

Abstract: A sand sedimentation tank (10) is provided, the tank (10) comprises a tank body (11), an inlet (12) and an outlet (13), wherein the tank body (11) comprises side walls (14) and a bottom (15), the outlet is arranged in a side wall (11), and the bottom (15) has at least one raised part (16) and/or at least one recessed part (17). A sand separator is further provided, the separator comprises a grading unit (30), a particle collector unit (40), and the sand sedimentation tank (10) connected in series. A method for separating mixture of solid particles is further provided. The solid particles comprise first solid particles and second solid particles, wherein, the density of the first solid particles is lower than the density of the second solid particles; the method comprises: forcing the mixture of solid particles to flow with a solvent, making the second solid particles deposit in the flow process to form a layer (22) of the second solid particles, and forcing the first solid particles to continue flowing with the solvent, wherein, the density of the second solid particles is higher than the density of the solvent.

Abstract translation: 提供了一个沉砂池（10），罐（10）包括罐体（11），入口（12）和出口（13），其中罐体（11）包括侧壁（14）和 底部（15），出口布置在侧壁（11）中，底部（15）具有至少一个凸起部分（16）和/或至少一个凹部（17）。 进一步提供砂分离器，分离器包括分级单元（30），颗粒收集器单元（40）和串联连接的沉砂池（10）。 还提供了分离固体颗粒混合物的方法。 固体颗粒包含第一固体颗粒和第二固体颗粒，其中第一固体颗粒的密度低于第二固体颗粒的密度; 该方法包括：迫使固体颗粒的混合物与溶剂一起流动，使得第二固体颗粒在流动过程中沉积形成第二固体颗粒的层（22），并迫使第一固体颗粒继续流动 溶剂，其中第二固体颗粒的密度高于溶剂的密度。

公开(公告)号：WO2010031292A1

公开(公告)日：2010-03-25

申请号：PCT/CN2009/073361

申请日：2009-08-20

Applicant: COFCO LIMITED ,  DU, Jinbao ,  HUANG, Jiajun ,  DENG, Likang ,  SHAO, Yubin ,  YU, Tianyang ,  LUO, Hu

Inventor： DU, Jinbao ,  HUANG, Jiajun ,  DENG, Likang ,  SHAO, Yubin ,  YU, Tianyang ,  LUO, Hu

IPC: C02F1/56 ,  C02F9/02 ,  C12P7/10

CPC classification number: C12P7/06 ,  C02F1/001 ,  C02F1/24 ,  C02F1/5236 ,  C02F1/56 ,  C02F3/30 ,  C02F9/00 ,  C02F11/121 ,  C02F2103/26 ,  C02F2103/32 ,  Y02E50/16 ,  Y02E50/17

Abstract: A method for treating the waste liquor resulted from ethanol production through cassava fermentation is provided The method comprises the steps of (1) introducing water-soluble ester of alginic acid and/or water-soluble salt of alginic acid into the waste liquor, and subjecting the waste liquor to solid-liquid separation to obtain solid production and liquid production, and (2) subjecting the liquid production obtained in step (1) to the waste water treatment The method can significantly reduce the time for solid-liquid separation, and enormously increase the treatment capacity of waste liquor in unit time without adding extra equipments, thereby, the method resolves the technical difficulty resulting in low load of the equipments used in producing ethanol through cassava fermentation, and enormously increase the production capacity of the equipments for producing ethanol.

Abstract translation: 提供了通过木薯发酵生产乙醇来处理废液的方法。该方法包括以下步骤：（1）将藻酸的水溶性酯和/或藻酸的水溶性盐引入废液中， 废液进行固液分离，得到固体生产和液体生产，（2）将步骤（1）中得到的液体生产进行废水处理该方法可以显着缩短固液分离的时间， 提高单位时间废液的处理能力，不增加额外的设备，从而解决了通过木薯发酵生产乙醇所用设备的低负荷的技术难点，大大提高了乙醇生产设备的生产能力 。

公开(公告)号：WO2011047634A1

公开(公告)日：2011-04-28

申请号：PCT/CN2010/077992

申请日：2010-10-22

Applicant: COFCO LIMITED ,  YUE, Guojun ,  LUO, Hu ,  CHEN, Bin ,  PAN, Yu ,  WANG, Xu ,  GAO, Zhilin ,  QI, Rui ,  ZHANG, Jijun ,  WU, Guoqing ,  YU, Tianyang ,  HAO, Xiaoming

Inventor： YUE, Guojun ,  LUO, Hu ,  CHEN, Bin ,  PAN, Yu ,  WANG, Xu ,  GAO, Zhilin ,  QI, Rui ,  ZHANG, Jijun ,  WU, Guoqing ,  YU, Tianyang ,  HAO, Xiaoming

IPC: C07C51/42 ,  C07C51/41 ,  C07C59/265

CPC classification number: C07C51/02 ,  C07C51/412 ,  C07C51/43 ,  C07C59/265

Abstract: Provided is a method for preparing citric acid comprising the following steps: (1) contacting and reacting the fermentation liquid of citric acid with calcium carbonate and/or calcium hydroxide under the condition that the citric acid in the fermentation liquid can be converted into calcium hydrogen citrate, and subjecting the obtained slurry to a solid-liquid separation to obtain solid calcium hydrogen citrate and a first liquid phase; (2) subjecting the solid calcium hydrogen citrate obtained in step (1) to acidolysis to obtain citric acid; (3) contacting and reacting the first liquid phase obtained in step (1) with calcium carbonate and/or calcium hydroxide under the condition that the calcium hydrogen citrate dissolved in the first liquid phase can be converted into calcium citrate, subjecting the obtained slurry to a solid-liquid separation to obtain solid calcium citrate, and recycling the solid calcium citrate to step (1).

Abstract translation: 提供一种柠檬酸的制备方法，包括以下步骤：（1）使柠檬酸的发酵液与碳酸钙和/或氢氧化钙接触并使之发生反应，发酵液中的柠檬酸可以转化为氢化钙 柠檬酸盐，并将得到的浆料进行固液分离，得到固体柠檬酸钙和第一液相; （2）使步骤（1）中得到的固体柠檬酸氢钙经酸解，得到柠檬酸; （3）使在步骤（1）中获得的第一液相与碳酸钙和/或氢氧化钙接触并使其溶解在第一液相中的柠檬酸氢钙可以转化成柠檬酸钙， 固液分离以获得固体柠檬酸钙，并将固体柠檬酸钙再循环到步骤（1）。