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    Removing SOx, CO and NOx from flue gases
    1.
    发明授权
    Removing SOx, CO and NOx from flue gases 失效
    从烟气中去除SOx，CO和NOx

    公开(公告)号：US5591417A

    公开(公告)日：1997-01-07

    申请号：US184536

    申请日：1994-01-21

    Applicant: John S. Buchanan ,  Mark F. Mathias ,  Joseph F. Sodomin, III ,  Gerald J. Teitman

    Inventor： John S. Buchanan ,  Mark F. Mathias ,  Joseph F. Sodomin, III ,  Gerald J. Teitman

    IPC: B01D53/04 ,  B01D53/48 ,  B01D53/50 ,  B01D53/52 ,  B01D53/86 ,  C01B17/04 ,  B01D53/46 ,  B01D53/81 ,  B01D53/96

    CPC classification number: B01D53/04 ,  B01D53/485 ,  B01D53/508 ,  B01D53/52 ,  B01D53/523 ,  B01D53/8609 ,  B01D53/8637 ,  C01B17/0408 ,  C01B17/0456 ,  C01B17/0473 ,  B01D2253/104 ,  B01D2257/302 ,  B01D2259/403 ,  B01D2259/41

    Abstract: Removing sulfur oxide, carbon monoxide and nitrogen oxide in a flue gas stream by combusting fuel in the combustor with a reduced amount of oxygen to convert all sulfur-containing species in the flue gas stream to sulfur oxide, and to partially convert carbon monoxide therein to carbon dioxide, thus forming a sulfur oxide enriched gas stream having between at least about 500 ppm carbon monoxide and a consequential reduced amount of nitrogen oxide. The sulfur oxide enriched gas stream is contacted with a solid adsorbent bed for adsorbing the sulfur oxides in the form of inorganic sulfates and/or sulfur oxides. The solid adsorbent contains a catalytic oxidation promoter for oxidizing the carbon monoxide gas stream to carbon dioxide, thus forming a sulfur oxide and carbon monoxide depleted stream with the consequential reduced amount of nitrogen oxide for disposal. The adsorbent bed is then contacted with a reducing gas stream for regenerating the adsorbent bed to form a hydrogen sulfide and/or sulfur dioxide bearing stream.

    Abstract translation: 通过在燃烧器中燃烧燃料中的氧气来减少烟道气中的硫氧化物，一氧化碳和氮氧化物，以将烟道气中的所有含硫物质转化为硫氧化物，并将其中的一氧化碳部分转化为 从而形成富含硫氧化物的气流，其具有至少约500ppm的一氧化碳和随之减少的氮氧化物的量。 富含硫氧化物的气流与固体吸附剂床接触，以吸附无机硫酸盐和/或硫氧化物形式的硫氧化物。 固体吸附剂含有用于将一氧化碳气流氧化成二氧化碳的催化氧化促进剂，从而形成硫氧化物和一氧化碳贫化物流，从而减少氮氧化物的用量以便处置。 然后将吸附床与还原气流接触，以再生吸附剂床，以形成含硫化氢和/或含二氧化硫的流。

    Heavy naphtha conversion
    2.
    发明授权
    Heavy naphtha conversion 失效
    重石脑油转化

    公开(公告)号：US5409595A

    公开(公告)日：1995-04-25

    申请号：US223064

    申请日：1994-04-04

    Applicant: Mohsen N. Harandi ,  Roger A. Morrison ,  Gerald J. Teitman

    Inventor： Mohsen N. Harandi ,  Roger A. Morrison ,  Gerald J. Teitman

    IPC: C10G45/64 ,  C10G47/16 ,  C10G69/10 ,  C07C5/32 ,  C10G35/06

    CPC classification number: C10G45/64 ,  C10G47/16

    Abstract: Catalytically cracked naphthas containing C.sub.9 + hydrocarbons are hydrocracked over a crystalline zeolite, typically, mildly steamed zeolite beta then subjected to reforming to achieve a gasoline product of reduced end boiling range and higher octane than the feed. A hydrogen stream from the reformer which contains a catalytic promoter, such as chlorine, is separated into a first stream and a second stream. The first stream is treated over a solid sorbent to remove the promoter and recycled promoter to the hydrocracking step while the untreated second hydrogen stream which contains promoter is recycled to the reformer.

    Abstract translation: 催化裂解含有C9 +烃的石脑油在结晶沸石上加氢裂化，通常是温和蒸馏的沸石β，然后进行重整以实现比进料降低的终沸点和更高辛烷值的汽油产物。 来自重整器的含有催化促进剂如氯的氢气流被分离成第一流和第二流。 在固体吸附剂上处理第一流以将促进剂和再循环的促进剂除去加氢裂化步骤，同时将含有助催化剂的未处理的第二氢气流循环至重整器。

    Gasoline upgrading process
    3.
    发明授权
    Gasoline upgrading process 失效
    汽油升级过程

    公开(公告)号：US5320742A

    公开(公告)日：1994-06-14

    申请号：US963229

    申请日：1992-10-19

    Applicant: David L. Fletcher ,  Timothy L. Hilbert ,  David A. Pappal ,  David W. Rumsey ,  Gerald J. Teitman

    Inventor： David L. Fletcher ,  Timothy L. Hilbert ,  David A. Pappal ,  David W. Rumsey ,  Gerald J. Teitman

    IPC: C10G35/04 ,  C10G59/00 ,  C10G65/04 ,  C10G67/12 ,  C10G69/08 ,  C10G35/00 ,  C10G45/00

    CPC classification number: C10G69/08 ,  C10G65/043 ,  C10G67/12

    Abstract: A sulfur-containing catalytically cracked naphtha is upgraded to form a low-sulfur gasoline product by a process which retains the octane contribution from the olefinic front end of the naphtha. Initially, the mercaptan sulfur in the front end of the cracked naphtha is converted to higher boiling disulfides by oxidation. The front end, which is then essentially an olefinic, high octane sulfur-free material, may be blended directly into the gasoline pool. The back end, which now contains the original higher boiling sulfur components such as thiophenes, together with the sulfur transferred from the front end as disulfides, is hydrotreated to produce a desulfurized product. This desulfurized product, which has undergone a loss in octane by saturation of olefins, is then treated in a second stage, by contact with a catalyst of acidic functionality, preferably a zeolite such as ZSM-5, under conditions which produce a product in the gasoline boiling range of higher octane value. Because this second product may contain combined organic sulfur, it may be subjected to a final desulfurization to reduce organic sulfur to acceptable levels.

    Abstract translation: 通过保留来自石脑油的烯烃前端的辛烷贡献的方法，将含硫催化裂化石脑油升级以形成低硫汽油产物。 最初，裂化石脑油前端的硫醇硫通过氧化转化为较高沸点的二硫化物。 然后，基本上为烯属，高辛烷值的无硫材料的前端可以直接混合到汽油池中。 现在包含原来较高沸点的硫成分如噻吩的后端与从前端转移的硫作为二硫化物一起加氢处理以产生脱硫产物。 然后在第二阶段通过与酸性官能团的催化剂（优选沸石如ZSM-5）接触，在产生烯烃的产物的条件下处理已经经历烯烃饱和的辛烷值损失的该脱硫产物 汽油沸点范围较高的辛烷值。 因为该第二产品可能含有组合的有机硫，所以可以对其进行最终脱硫以将有机硫降低至可接受的水平。

    Active bed fluidized catalyst stripping
    6.
    发明授权
    Active bed fluidized catalyst stripping 失效
    活性床流化催化剂剥离

    公开(公告)号：US5380426A

    公开(公告)日：1995-01-10

    申请号：US126854

    申请日：1993-09-27

    Applicant: David L. Johnson ,  David H. Parsons ,  Gerald J. Teitman

    Inventor： David L. Johnson ,  David H. Parsons ,  Gerald J. Teitman

    IPC: B01J38/06 ,  C10G11/18 ,  F27B15/00 ,  C10G11/00 ,  B01J8/26 ,  F27B15/02

    CPC classification number: F27B15/00 ,  B01J38/06 ,  C10G11/18 ,  C10G2300/4093 ,  C10G2300/70

    Abstract: A fluidized catalytic cracking process and apparatus with an active bed annular spent catalyst stripper is disclosed. An annular catalyst stripper disposed about a riser reactor is separated, by a baffle or fluid flow, into a secondary stripper nearer the catalyst regenerator and a primary stripper on the far side of the annular stripper from the regenerator. Catalyst flows through the primary stripper as a dense bed, to a transport means which lifts catalyst to the inlet of the secondary stripper. The "dead" region on side of annular strippers far from the regenerator is eliminated. Preferably catalyst is added to the primary stripper via cyclone diplegs, and a cyclone is used on the transport outlet.

    Abstract translation: 公开了一种具有活性床环状废催化剂汽提器的流化催化裂化方法和装置。 围绕提升管反应器设置的环形催化剂汽提器通过挡板或流体流分离成更靠近催化剂再生器的次级汽提器和环形汽提器的远离再生器的远侧的主汽提器。 催化剂作为致密床流过初级汽提器，传送到将催化剂提升到次级汽提器的入口的输送装置。 消除了远离再生器的环形剥离器侧的“死区”。 优选通过旋风分离器将催化剂加入到初级汽提器中，并且在输送出口上使用旋风分离器。

    High efficiency catalytic cracking stripping process
    7.
    发明授权
    High efficiency catalytic cracking stripping process 失效
    高效催化裂化汽提工艺

    公开(公告)号：US4968403A

    公开(公告)日：1990-11-06

    申请号：US454472

    申请日：1989-12-21

    Applicant: Joseph A. Herbst ,  Catherine L. Markham ,  Ajit V. Sapre ,  Gerald J. Teitman

    Inventor： Joseph A. Herbst ,  Catherine L. Markham ,  Ajit V. Sapre ,  Gerald J. Teitman

    IPC: B01J38/00 ,  C10G11/04 ,  C10G11/05 ,  C10G11/16 ,  C10G11/18

    CPC classification number: B01J38/00 ,  C10G11/04 ,  C10G11/05 ,  C10G11/16 ,  C10G11/182 ,  Y10S502/517

    Abstract: A catalytic cracking process operates with enhanced stripper efficiency by subjecting spent catalyst to microwave radiation before catalyst regeneration. Preferably the microwave frequency is one which ignores the catalytic cracking catalyst and preferentially excites the hydrocarbon or coke on the spent catalyst, the stripping steam conventionally used, or both the stripping steam and the hydrocarbonaceous coke. In preferred embodiments, microwave frequencies are used which are selective for various impurities in the coke, such as sulfur and/or nitrogen impurities. Additives, such as ferrous materials, may be added to augment the efficiency of desulfurization during stripping. The process is applicable to fluidized catalytic cracking and moving bed catalytic cracking units.

    Abstract translation: 催化裂化过程通过在催化剂再生之前对废催化剂进行微波辐射来提高剥离效率。 优选地，微波频率是忽略催化裂化催化剂并且优先激发废催化剂上的烃或焦炭，常规使用的汽提蒸汽，或汽提蒸汽和烃焦炭两者。 在优选的实施方案中，使用对焦炭中的各种杂质如硫和/或氮杂质是选择性的微波频率。 可以加入添加剂，例如含铁材料，以提高剥离过程中脱硫效率。 该工艺适用于流化催化裂化和移动床催化裂化装置。

    Desulfurizing a gas stream
    9.
    发明授权
    Desulfurizing a gas stream 失效
    使气流脱硫

    公开(公告)号：US5458861A

    公开(公告)日：1995-10-17

    申请号：US184708

    申请日：1994-01-21

    Applicant: John S. Buchanan ,  David L. Johnson ,  Joseph F. Sodomin, III ,  Gerald J. Teitman

    Inventor： John S. Buchanan ,  David L. Johnson ,  Joseph F. Sodomin, III ,  Gerald J. Teitman

    IPC: B01D53/04 ,  B01D53/48 ,  B01D53/50 ,  B01D53/52 ,  B01D53/77 ,  B01D53/86 ,  C01B17/04 ,  C10L3/10 ,  B01J8/00

    CPC classification number: B01D53/485 ,  B01D53/04 ,  B01D53/508 ,  B01D53/52 ,  B01D53/523 ,  B01D53/8609 ,  B01D53/8637 ,  C01B17/0408 ,  C01B17/0456 ,  C01B17/0473 ,  B01D2253/104 ,  B01D2257/302 ,  B01D2259/403 ,  B01D2259/41

    Abstract: A multi-bed process of removing sulfur oxides and/or other combustible sulfur-containing compounds from a gas stream including combusting the other combustible sulfur-compounds when present in the gas stream with air or oxygen to convert such sulfur-containing compounds to sulfur oxide and form a sulfur oxide enriched gas stream. The sulfur oxide enriched gas stream is contacted with first and second serially connected solid adsorbent beds for adsorbing the sulfur oxides in the form of inorganic sulfates and/or sulfur oxides. A third adsorbent bed is contacted with a reducing gas stream to regenerate the bed by reducing the retained inorganic sulfates and/or sulfur oxides to hydrogen sulfide and/or sulfur dioxide, to thereby form a hydrogen sulfide and/or sulfur dioxide bearing stream. The feeds to each of the beds are realigned to place the second and third beds in series with the sulfur oxide and/or sulfur dioxide enriched stream being fed to the second bed and to place the first bed in a regenerative mode. Thereafter, the foregoing steps are repeated whereby each of the three beds are sequentially placed in an initial bed mode in the series, a regenerative mode, and a second bed mode in the series.

    Abstract translation: 一种从气流中除去硫氧化物和/或其它可燃含硫化合物的多床方法，包括当气流与空气或氧气存在时燃烧其它可燃硫化合物，以将这种含硫化合物转化成硫氧化物 并形成富含硫氧化物的气流。 富含硫氧化物的气流与第一和第二串联连接的固体吸附剂床接触，以吸附无机硫酸盐和/或硫氧化物形式的硫氧化物。 通过将保留的无机硫酸盐和/或硫氧化物还原成硫化氢和/或二氧化硫，第三吸附剂床与还原气流接触以再生床，从而形成含硫化氢和/或二氧化硫的物流。 将每个床的进料重新对准以将第二和第三床与加入到第二床中的硫氧化物和/或二氧化硫浓缩物流串联并将第一床置于再生模式。 此后，重复上述步骤，其中三个床中的每一个顺序地以串联的初始床模式，串联的再生模式和第二床模式放置。

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