公开(公告)号：US20030221704A1

公开(公告)日：2003-12-04

申请号：US10370045

申请日：2003-02-19

Applicant: Praxair Technology, Inc.

Inventor： Michael Clinton Johnson ,  Carl Joseph Heim ,  John Fredric Billingham

IPC: C23G001/00

CPC classification number: F25J3/08 ,  C01B32/50 ,  F25J2205/40 ,  F25J2205/82 ,  F25J2205/84 ,  F25J2215/80 ,  F25J2220/82 ,  F25J2220/84 ,  F25J2235/80 ,  F25J2245/02 ,  F25J2260/80 ,  F25J2270/90 ,  F25J2290/60 ,  Y02P20/544

Abstract: Carbon dioxide is purified through the use of catalytic oxidation. Carbon dioxide is exposed to at least one catalyst, oxidizing at least a portion of the nonvolatile organic residues to form purified carbon dioxide that is directed to an application. Carbon dioxide that is in a near-critical, critical, or supercritical phase can be exposed to the catalyst.

Abstract translation: 通过使用催化氧化来净化二氧化碳。 将二氧化碳暴露于至少一种催化剂，氧化至少一部分非挥发性有机残余物以形成针对应用的纯化二氧化碳。 处于近临界，临界或超临界阶段的二氧化碳可暴露于催化剂。

公开(公告)号：US20030133864A1

公开(公告)日：2003-07-17

申请号：US10274303

申请日：2002-10-17

Applicant: Praxair Technology, Inc.

Inventor： John Fredric Billingham ,  Henry Edward Howard ,  Kimberly Hershey

IPC: B01D003/42

CPC classification number: F25J3/0266 ,  B01D3/14 ,  B01D3/146 ,  B01D15/00 ,  B01D53/04 ,  B01D2256/22 ,  B01D2256/26 ,  B08B7/0021 ,  C01B32/50 ,  F25J3/08 ,  F25J2200/02 ,  F25J2200/30 ,  F25J2200/74 ,  F25J2200/78 ,  F25J2205/04 ,  F25J2210/80 ,  F25J2220/80 ,  F25J2220/82 ,  F25J2220/84 ,  F25J2235/80 ,  F25J2245/02 ,  F25J2260/80 ,  F25J2270/90 ,  F25J2290/50 ,  G01N1/2202 ,  G01N1/40 ,  G01N1/42 ,  G01N15/04 ,  G01N15/06 ,  G01N2001/2238 ,  G01N2001/2282 ,  Y02C10/12 ,  Y02P20/152 ,  Y02P20/544 ,  Y02P70/34

Abstract: The invention disclosed herein generally relates to a system and a method for supplying a carbon dioxide fluid feed to a plurality of applications. The method of the invention comprises the steps of directing a fluid feed, that includes a carbon dioxide component, from a carbon dioxide purifying means to a plurality of applications including at least two distinct applications, whereby contaminants are combined with the fluid at said applications, thereby forming an effluent that includes at least a portion of the carbon dioxide component and at least a portion of said contaminants; directing said effluent from at least one of the applications to said carbon dioxide purifying means; and purifying the carbon dioxide of the effluent at the carbon dioxide purifying means, thereby producing the carbon dioxide component of the fluid feed. The system of the invention is an apparatus for conducting the method of the invention.

Abstract translation: 本文公开的本发明通常涉及用于向多个应用提供二氧化碳流体进料的系统和方法。 本发明的方法包括以下步骤：将包括二氧化碳组分的流体进料从二氧化碳净化装置引导到多个应用，包括至少两个不同的应用，其中污染物与所述应用中的流体组合， 从而形成包含至少一部分二氧化碳组分和至少一部分所述污染物的流出物; 将来自至少一个应用的流出物引导到所述二氧化碳净化装置; 并在二氧化碳净化装置中纯化流出物的二氧化碳，从而产生流体进料的二氧化碳组分。 本发明的系统是用于进行本发明的方法的装置。

公开(公告)号：US20030161780A1

公开(公告)日：2003-08-28

申请号：US10274302

申请日：2002-10-17

Applicant: Praxair Technology, Inc.

Inventor： Henry Edward Howard ,  John Fredric Billingham

IPC: C01B031/20

CPC classification number: F25J3/0266 ,  B01D3/14 ,  B01D3/146 ,  B01D15/00 ,  B01D53/04 ,  B01D2256/22 ,  B01D2256/26 ,  B08B7/0021 ,  C01B32/50 ,  F25J3/08 ,  F25J2200/02 ,  F25J2200/30 ,  F25J2200/74 ,  F25J2200/78 ,  F25J2205/04 ,  F25J2210/80 ,  F25J2220/80 ,  F25J2220/82 ,  F25J2220/84 ,  F25J2235/80 ,  F25J2245/02 ,  F25J2260/80 ,  F25J2270/90 ,  F25J2290/50 ,  G01N1/2202 ,  G01N1/40 ,  G01N1/42 ,  G01N15/04 ,  G01N15/06 ,  G01N2001/2238 ,  G01N2001/2282 ,  Y02C10/12 ,  Y02P20/152 ,  Y02P20/544 ,  Y02P70/34

Abstract: A method and a system for supplying a carbon dioxide fluid feed from a carbon dioxide purifying means to one or more applications. The feed is combined with contaminants at the applications to form an effluent, and at least one effluent is returned to the purifying means for recycling the carbon dioxide. Carbon dioxide from a carbon dioxide source is combined with the carbon dioxide of the system so that the purity of the carbon dioxide from the source is upgraded prior to the applications.

Abstract translation: 一种用于将二氧化碳流体进料从二氧化碳净化装置供应到一个或多个应用的​​方法和系统。 该饲料在应用中与污染物结合以形成流出物，并且至少一种流出物返回到净化装置以再循环二氧化碳。 来自二氧化碳源的二氧化碳与系统的二氧化碳结合，使得来自源的二氧化碳的纯度在施用前被升级。

公开(公告)号：US20030197852A1

公开(公告)日：2003-10-23

申请号：US10350307

申请日：2003-01-22

Applicant: Praxair Technology, Inc.

Inventor： Michael Clinton Johnson ,  Carl Joseph Heim ,  John Fredric Billingham ,  Mark Leonard Malczewski

IPC: G01N001/00

CPC classification number: G01N15/06 ,  B01D15/40 ,  C01B32/50 ,  F25J2290/50 ,  G01N1/2202 ,  G01N1/40 ,  G01N1/42 ,  G01N15/04 ,  G01N33/0016 ,  G01N2001/2238 ,  G01N2001/2282 ,  G01N2015/0693

Abstract: This invention relates to methods and systems for detecting contaminants that can precipitate and deposit on a workpiece during a carbon dioxide application, especially contaminants that are already present and dissolved in the fresh carbon dioxide fed to the application. One aspect of this invention includes a method of detecting contaminants dissolved in a carbon dioxide stream, including the steps of sampling at least a portion of the carbon dioxide stream to form a carbon dioxide sample; modifying at least one physical condition of the carbon dioxide sample to form an aerosol that includes gaseous carbon dioxide and at least one suspended contaminant; and detecting the number of particles of suspended contaminant in at least a portion of the carbon dioxide sample with at least one particle counter. A system for continuously detecting contaminants dissolved in a carbon dioxide stream is also described.

Abstract translation: 本发明涉及用于检测污染物的方法和系统，所述污染物在二氧化碳施加期间可能沉淀和沉积在工件上，特别是已经存在并溶解在供应到应用中的新鲜二氧化碳中的污染物。 本发明的一个方面包括检测溶解在二氧化碳流中的污染物的方法，包括对至少一部分二氧化碳流进行取样以形成二氧化碳样品的步骤; 改变二氧化碳样品的至少一种物理状态以形成包括气态二氧化碳和至少一种悬浮污染物的气溶胶; 以及用至少一个颗粒计数器检测所述二氧化碳样品的至少一部分中的悬浮污染物的颗粒数。 还描述了用于连续检测溶解在二氧化碳流中的污染物的系统。