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    • 4. 发明申请
    • PROCESS AND APPARATUS FOR SEPARATING AND RECOVERING WASTE ALKALI FROM CYCLOHEXANE OXIDATION SOLUTION
    • 从环己烷氧化溶液中分离和回收废物碱的工艺和装置
    • US20100126938A1
    • 2010-05-27
    • US12358004
    • 2009-01-22
    • Zhishan BAIZhuoqun QianJi MaPing ZhouYanhong ZhangHualin Wang
    • Zhishan BAIZhuoqun QianJi MaPing ZhouYanhong ZhangHualin Wang
    • B01D21/00
    • C07C45/33B01D17/0214C07C2601/14Y10S210/908C07C49/403
    • The present invention relates to a process and an apparatus for separating and recovering the waste alkali from a cyclohexane oxidation solution, and provides a process and an apparatus for separating and recovering the waste alkali from a cyclohexane oxidation solution. According to the invention, a gradient combination of the gravity separation technique, the vortex separation technique and the coalescence separation technique is used to carry out fine separation of the waste alkali liquor from the cyclohexane oxidation solution. The purified cyclohexane oxidation solution is fed into a down-stream apparatus. Most of the waste alkali liquor thus separated is recycled, while the remaining is expelled. The expelled waste alkali liquor is incinerated in an incinerator, followed by recovering the molten species using a pneumatic pulverization process. According to the invention, the content of Na+ in the cyclohexane oxidation solution fed into the alkane tower can be lowered to less than 3 mg/L, and the molten species resulting from incineration can be recovered 100%. Thus, risk of environmental pollution by the waste alkali liquor is substantially eliminated. While the invention is well suited to separate and recover the waste alkali liquor from a cyclohexane oxidation solution, it may be adapted to other chemical engineering systems for separating and recovering waste alkali liquor as well.
    • 本发明涉及从环己烷氧化溶液中分离回收废碱的方法和装置,提供了从环己烷氧化溶液中分离回收废碱的方法和装置。 根据本发明,使用重力分离技术,涡流分离技术和聚结分离技术的梯度组合来进行废碱液与环己烷氧化溶液的精细分离。 将纯化的环己烷氧化溶液进料到下游装置中。 大部分如此分离的废碱液体被回收,而其余的被排出。 将排出的废碱液在焚化炉中焚烧,然后使用气动粉碎法回收熔融物质。 根据本发明,进料到烷烃塔中的环己烷氧化溶液中的Na +含量可以降低到小于3mg / L,焚烧产生的熔融物质可以回收100%。 因此,废碱液的环境污染的风险基本上被消除。 尽管本发明非常适合于从环己烷氧化溶液中分离和回收废碱液体,但是也可以适用于用于分离和回收废碱液的其它化学工程系统。
    • 10. 发明申请
    • Method and Apparatus for Micro-Hydrocyclone Purification For Flue Gas Carbon Dioxide Capture System
    • 用于烟道气二氧化碳捕集系统的微水力旋流器净化方法和装置
    • US20140026752A1
    • 2014-01-30
    • US13984406
    • 2011-08-25
    • Hualin WangSongbai MaoQisong ShenNing YeYanhong ZhangJiangang WangLing ShenXin Cui
    • Hualin WangSongbai MaoQisong ShenNing YeYanhong ZhangJiangang WangLing ShenXin Cui
    • B01D45/16
    • B01D45/16B01D53/1418B01D53/1475B01D53/18B01D53/62B01D2258/0283Y02A50/2342Y02C10/04Y02C10/06
    • Provided are a method and an apparatus for micro-hydrocyclone purification for a flue gas carbon dioxide capture system. The method comprises: performing gas-liquid micro-hydrocylone separation with ultralow pressure drop on scrubbed flue gas, to remove aerosol particulates entrained in the flue gas; performing gas-liquid micro hydrocyclone separation with ultralowpressure drop on off-gas vented from the top of an absorption column, to remove entrained aerosol particulates; performing gas-liquid micro hydrocyclone separation with ultralow pressure drop on cooled regeneration gas, to remove entrained aerosol particulates; and performing liquid-solid and liquid-liquid two-stage micro-hydrocyclone separation on a mixed amine solution lean for carbon dioxide discharged from regeneration column, to remove entrained solid particulates and machine oil. The apparatus comprises: a water scrubbing column, rotation flow separators, liquid-solid micro-hydrocyclone separator sets, a water scrubbing tank, a absorption column, a regeneration column, liquid-solid micro-hydrocyclones and liquid-liquid micro-hydrocyclones.
    • 提供了用于烟道气二氧化碳捕获系统的微水力旋流器净化的方法和装置。 该方法包括:在经过洗涤的烟道气上进行超低压降的气 - 液微水龙胆分离,除去夹带在烟气中的气溶胶微粒; 在从吸收塔顶部排出的废气中进行超液压滴下的气液微型水力旋流器分离,以除去夹带的气溶胶颗粒物; 在冷再生气体上进行超低压气滴分离,清除夹带的气溶胶微粒; 并在从再生塔排出的稀二氧化碳的混合胺溶液中进行液固两液微旋流分离,除去夹带的固体微粒和机油。 该装置包括:水洗柱,旋转流分离器,液固微型水力旋流分离器组,水洗涤槽,吸收塔,再生塔,液固微流体旋流器和液 - 液微水力旋流器。