专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4960576A H.sub.2 S abatement in geothermal steam during stacking operations 失效
标题翻译： H2S在堆放作业过程中减少地热蒸汽
公开(公告)号：US4960576A
公开(公告)日：1990-10-02
申请号：US359896
申请日：1989-06-01
申请人： Stephen A. Bedell , Charles A. Hammond , Larry H. Kirby
发明人： Stephen A. Bedell , Charles A. Hammond , Larry H. Kirby
IPC分类号： B01D53/14 , C01B17/05 , E21B43/34 , F03G7/04
CPC分类号： E21B43/34 , B01D53/1418 , B01D53/1462 , C01B17/05 , F03G7/04 , Y02E10/10 , Y02P20/152 , Y10S423/19
摘要： A process for abating hydrogen sulfide during geothermal steam stacking operations is disclosed. The geothermal steam to be stacked is introduced into a geothermal steam stacking line. Ferric chelating solution is injected into the stacking line in an amount effective to convert the hydrogen sulfide in the steam to sulfur. The hydrogen sulfide-abated steam and chelating solution is vented through a rock muffler and the chelating solution is optionally recovered from the muffler, regenerated and recirculated to the injection step.
摘要翻译：公开了一种在地热蒸汽堆叠操作中减缓硫化氢的方法。要堆放的地热蒸汽被引入地热蒸汽堆叠管线。将铁螯合溶液以有效将硫化氢在蒸汽中转化为硫的量注入堆叠管线。硫化氢消除的蒸汽和螯合溶液通过岩石消声器排出，螯合溶液任选地从消音器回收，再生并再循环到注射步骤。

2. 发明授权

US5320816A Process for absorption of sulfur dioxide and nitric oxide from flue gas 失效
标题翻译：从烟道气中吸收二氧化硫和一氧化氮的方法
公开(公告)号：US5320816A
公开(公告)日：1994-06-14
申请号：US964323
申请日：1992-10-21
申请人： Susan S. Tsai , Stephen A. Bedell , Larry H. Kirby , Aubrey J. Rhymes, Jr. , Richard D. Varjian
发明人： Susan S. Tsai , Stephen A. Bedell , Larry H. Kirby , Aubrey J. Rhymes, Jr. , Richard D. Varjian
IPC分类号： B01D53/60 , B01D61/14 , B01D61/24 , B01D61/44 , B01D53/34
CPC分类号： B01D61/145 , B01D53/60 , B01D61/243 , B01D61/44
摘要： The simultaneous abatement of NO and SO.sub.2 in flue gas is provided by an absorption process and apparatus utilizing an absorbent composition comprising an aqueous solution of chelates and sulfite salts. Metal chelates oxidized to an inactive state are electrochemically reduced. In the electrochemical cell, nickel or stainless steel anode materials are stable and may be used in the place of platinum coated anode materials when the anolyte pH is maintained greater than 12. At these conditions, the anode is corrosion resistant with a long operating time between replacement. Ultrafiltration or Donnan dialysis may be used to separate the chelate sorbents from the waste salts to reduce the loss of expensive chelate sorbents. Alternatively, an anionic exchange membrane can be used to electrodialytically separate waste sulfur/nitrogen salts from the absorbent solution.
摘要翻译：通过吸收方法和使用包含螯合物和亚硫酸盐的水溶液的吸收剂组合物的装置来提供烟道气中的NO和SO 2的同时减少。氧化成无活性状态的金属螯合物电化学还原。在电化学电池中，当阳极电解液pH保持大于12时，镍或不锈钢阳极材料是稳定的，并且可以用于代替铂涂覆的阳极材料。在这些条件下，阳极是耐腐蚀的，具有长的操作时间替代。可以使用超滤或Donnan透析法将螯合吸附剂与废盐分离，以减少昂贵螯合吸附剂的损失。或者，阴离子交换膜可用于电离渗析从废吸收剂溶液中分离废硫/氮盐。

3. 发明授权

US5433934A Method for simultaneous absorption of sulfur dioxide and nitric oxide from flue gas 失效
标题翻译：同时从烟气中吸收二氧化硫和一氧化氮的方法
公开(公告)号：US5433934A
公开(公告)日：1995-07-18
申请号：US179882
申请日：1994-01-11
申请人： Dane Chang , Stephen A. Bedell , Larry H. Kirby
发明人： Dane Chang , Stephen A. Bedell , Larry H. Kirby
IPC分类号： B01D53/60 , B01D53/74 , B01D53/50 , B01D53/56
CPC分类号： B01D53/60
摘要： The simultaneous abatement of NO and SO.sub.2 in flue gas is provided by an absorption process and apparatus utilizing an absorbent composition comprising an aqueous solution of chelates and sulfite salt for NO abatement and amine SO.sub.2 absorbents such as piperazinones, morpholinones, piperidines, piperazines, piperazinediones, hydantoins, triazinones, pyrimidinones, oxazolidones, etc. for SO.sub.2 abatement. SO.sub.2 is thermally stripped from the spent absorbent and recovered. Metal chelates oxidized to an inactive state as a side-reaction are electrochemically reduced. An anionic exchange membrane in the electrochemical cell regenerates heat stable amine salt byproducts to be converted back to useable amine sorbent, and facilitates removal from the absorbent solution of other waste salts.
摘要翻译：废气中NO和SO2的同时减少是通过吸收方法和装置来提供的，所述吸收方法和装置使用包含螯合物水溶液和亚硫酸盐用于NO消除的吸收剂组合物，以及胺SO 2吸收剂如哌嗪酮，吗啉酮，哌啶，哌嗪，哌嗪类，乙内酰脲，三嗪酮，嘧啶酮，恶唑烷酮等，用于SO2消除。 SO2从废吸收剂中热剥离并回收。氧化成非活性状态的金属螯合物作为副反应被电化学还原。电化学电池中的阴离子交换膜再生热稳定的胺盐副产物以转化回可用的胺吸附剂，并且有助于从其它废盐的吸收剂溶液中除去。

4. 发明授权

US4960575A Removal of hydrogen sulfide with on site generated sulfite from geothermal steam 失效
标题翻译：从地热蒸汽中除去硫化氢，产生亚硫酸盐
公开(公告)号：US4960575A
公开(公告)日：1990-10-02
申请号：US359533
申请日：1989-06-01
申请人： Stephen A. Bedell , Larry H. Kirby
发明人： Stephen A. Bedell , Larry H. Kirby
IPC分类号： B01D53/52 , B01D53/14 , B01D53/77 , C01B17/50 , C01B17/62 , C01B17/64 , E21B43/34 , F03G7/04
CPC分类号： E21B43/34 , B01D53/52 , F03G7/04 , Y02C10/06 , Y02E10/10 , Y10S423/19
摘要： Geothermal steam is condensed with a sulfite solution to abate hydrogen sulfide. A portion of the hydrogen sulfide is converted in the condensation in the presence of soluble cationic polymeric catalysts to soluble sulfur compounds while avoiding elemental sulfur and carbonate formation. The remainder of the hydrogen sulfide is incinerated and the sulfur dioxide in the incinerator effluent is absorbed in an alkaline solution to form the sulfites for the geothermal steam condensation. By maintaining stoichiometric ratios, the hydrogen sulfide is substantially converted to soluble thiosulfate without the use of chelates, peroxides or makeup sulfites.
摘要翻译：地热蒸汽与亚硫酸盐溶液冷凝以消除硫化氢。一部分硫化氢在可溶性阳离子聚合物催化剂存在下转化为可溶性硫化合物，同时避免元素硫和碳酸盐形成。将其余的硫化氢焚烧，焚化炉流出物中的二氧化硫被吸收在碱性溶液中，形成用于地热蒸汽冷凝的亚硫酸盐。通过保持化学计量比，硫化氢基本上转化为可溶性硫代硫酸盐，而不使用螯合物，过氧化物或亚硫酸盐化妆品。

5. 发明授权

US08318005B2 Tetra-sulfo iron-phthalocyanine and related methods 失效
标题翻译：四磺基铁酞菁及相关方法
公开(公告)号：US08318005B2
公开(公告)日：2012-11-27
申请号：US12448439
申请日：2007-12-21
申请人： John M. Griffin , Stephen A. Bedell , Clare M. Worley
发明人： John M. Griffin , Stephen A. Bedell , Clare M. Worley
IPC分类号： C10G29/04
CPC分类号： C09B47/065 , C10G29/06 , C10G2300/1096 , C10G2300/805 , C10G2300/807
摘要： The present invention relates to making tetra-sulfo iron-phthalocyanine by reacting sulfonated reactant(s) in the presence a boron-containing promoter. The present invention also relates to making tetra-sulfo iron phthalocyanine more tolerant to oxygen by combining the tetra-sulfo iron-phthalocyanine with a stabilizing amount of a complexing agent (e.g., a stabilizing amine) and/or contacting the tetra-sulfo iron-phthalocyanine with steam.
摘要翻译：本发明涉及在含硼促进剂存在下使磺化反应物反应制备四磺基铁酞菁。本发明还涉及通过将四磺基铁酞菁与稳定量的络合剂（例如稳定胺）组合和/或使四磺基铁 - 酞菁与络合剂接触，制备更耐氧的四磺基铁酞菁，酞菁与蒸汽。

6. 发明授权

US5019365A Quaternary polyamines as sulfite oxidation inhibitors 失效
标题翻译：第四纪多胺作为亚硫酸盐氧化抑制剂
公开(公告)号：US5019365A
公开(公告)日：1991-05-28
申请号：US546075
申请日：1990-06-29
申请人： Stephen A. Bedell
发明人： Stephen A. Bedell
IPC分类号： B01D53/50
CPC分类号： B01D53/502
摘要： Inhibitors of oxidation of sulfites to sulfates in sulfur dioxide scrubbing solutions are disclosed. The inhibitors are cationic polyelectrolytes which are water soluble, have a molecular weight of at least 10,000 daltons and contain quaternary amine groups. The polyelectrolytes are preferably present at 1-3000 ppm in alkali solutions with which a sulfur dioxide containing gas stream is contacted.
摘要翻译：公开了在二氧化硫洗涤溶液中将亚硫酸盐氧化成硫酸盐的抑制剂。抑制剂是水溶性阳离子聚电解质，分子量至少为10,000道尔顿并含有季胺基。聚电解质优选以1-3000ppm存在于与二氧化硫气流接触的碱溶液中。

7. 依法登记的发明

USH2287H1 Reduced carbon steel corrosion in CO2-O2 amine environment 有权
公开(公告)号：USH2287H1
公开(公告)日：2013-12-03
申请号：US13106227
申请日：2011-05-12
申请人： Frederic Vitse , Stephen A. Bedell
发明人： Frederic Vitse , Stephen A. Bedell
IPC分类号： C23F11/14
摘要： A structural low carbon steel in combination with and in contact with an aqueous MDEA solvent that includes as an amine-based chemical additive. When mixed with MDEA solvent to form a MDEA solution, the MDEA-based solution in contact with carbon steel reduces the corrosion rate of low carbon structural carbon steels having a carbon content greater than about 0.18% by weight is significantly reduced when the concentrations of CO2, O2 and heat stable salts (HSS) are controlled below critical amounts. The MDEA solution, when controlling the concentrations of CO2, O2 and HSS below critical amounts, suppresses the corrosion of carbon steel having a carbon content greater than about 0.18%. A smooth surface finish further suppresses the corrosion of the low carbon structural steel. When the CO2, O2 and HSS are maintained below critical values, a low carbon structural steel having a micropolished surface finish displayed improved corrosion resistance.

8. 发明授权

US5167941A Quaternary polyamines as sulfite oxidation inhibitors in amine scrubbing of SO.sub.2 失效
标题翻译：第四纪多胺作为亚硫酸盐氧化抑制剂在胺洗涤中的SO2
公开(公告)号：US5167941A
公开(公告)日：1992-12-01
申请号：US623313
申请日：1990-12-06
申请人： Stephen A. Bedell
发明人： Stephen A. Bedell
IPC分类号： B01D53/50
CPC分类号： B01D53/502
摘要： Inhibitors of oxidation of sulfites to sulfates in sulfur dioxide scrubbing solutions are disclosed. The inhibitors are cationic polyelectrolytes which are water soluble, have a molecular weight of at least 10,000 daltons and contain quaternary amine groups. The polyelectrolytes are preferably present at 1-3000 ppm in alkali solutions with which a sulfur dioxide containing gas stream is contacted. The scrubbing solutions contain amines such as piperazinones, morpholinones, piperidines, piperazines, piperazinediones, hydantoins, triazinones, pyrimidinones, oxazolidones, N-carboxymethyl ethylenediamines, etc.
摘要翻译：公开了在二氧化硫洗涤溶液中将亚硫酸盐氧化成硫酸盐的抑制剂。抑制剂是水溶性阳离子聚电解质，分子量至少为10,000道尔顿并含有季胺基。聚电解质优选以1-3000ppm存在于与二氧化硫气流接触的碱溶液中。洗涤溶液含有胺类，如哌嗪酮，吗啉酮，哌啶，哌嗪，哌嗪类，乙内酰脲，三嗪酮，嘧啶酮，恶唑烷酮，N-羧甲基乙二胺等。

9. 发明授权

US4643886A Automatic pH control in a process for removal of hydrogen sulfide from a gas 失效
标题翻译：在气体中除去硫化氢的过程中的自动pH控制
公开(公告)号：US4643886A
公开(公告)日：1987-02-17
申请号：US805672
申请日：1985-12-06
申请人： Dane Chang , Stephen A. Bedell
发明人： Dane Chang , Stephen A. Bedell
IPC分类号： B01D53/14 , C01B17/05 , C01B17/16 , C01B31/20 , C25B1/02
CPC分类号： B01D53/1425 , B01D53/1468 , B01D53/1493 , C01B17/05
摘要： A method for removing hydrogen sulfide from a gaseous stream by contacting the gaseous stream with a polyvalent metal chelate present in an aqueous alkaline scrubbing solution including the regeneration of the polyvalent metal chelate in an electrolytic cell and automatic control of the pH of said aqueous alkaline scrubbing solution at about 7 to 9.
摘要翻译：通过使气流与存在于含水碱性洗涤溶液中的多价金属螯合物接触，从气态物流中除去硫化氢的方法，包括在电解池中再生多价金属螯合物，并自动控制所述水性碱性洗涤剂的pH值溶液约7-9。

10. 发明授权

US08313718B2 Method and composition for removal of mercaptans from gas streams 有权
标题翻译：从气流中除去硫醇的方法和组合物
公开(公告)号：US08313718B2
公开(公告)日：2012-11-20
申请号：US12517198
申请日：2007-12-11
申请人： Stephen A. Bedell
发明人： Stephen A. Bedell
IPC分类号： C01B17/00 , B01D53/56 , B01D53/50 , B01D53/46
CPC分类号： B01D53/1493 , B01D53/1487 , B01D2257/304 , B01D2257/306
摘要： A composition for removing mercaptan from a gas stream containing at least one acid gas in addition to a mercaptan, the composition comprising a physical and/or chemical solvent for H2S and an inclusion compound for the mercaptan. A process of treating gas stream using the composition. The inclusion compound is selected from the group consisting of, cyclodextrin, cryptand, calixarene, cucurbituril. The chemical solvent may be monoethanolamine (MEA), diethanolamine (DEA), triethanolamine (TEA, diisopropylamine (DIPA), diglycolamine (DGA) and methyldiethanolamine (MDEA). Examples of useful physical solvents include cyclotetramethylene sulfone (sulfolane) and its derivatives, aliphatic acid amides, NMP (n-methylpyrrolidone), N-alkylated pyrrolidones and corresponding piperidone, methanol and mixtures of dialkethers of polyethylene glycols. The method comprises scrubbing preferably the natural gas with an aqueous solution comprising the above compounds followed by a stripping regeneration step.
摘要翻译：一种除了硫醇以外从含有至少一种酸性气体的气流中除去硫醇的组合物，该组合物包括用于H 2 S的物理和/或化学溶剂和用于硫醇的包合物。使用该组合物处理气流的方法。包合物选自环糊精，穴居，杯芳烃，葫芦素。化学溶剂可以是单乙醇胺（MEA），二乙醇胺（DEA），三乙醇胺（TEA，二异丙胺（DIPA），二甘醇二胺（DGA）和甲基二乙醇胺（MDEA）），有用物理溶剂的实例包括环四亚甲基砜（环丁砜）酰胺，NMP（正 - 甲基吡咯烷酮），N-烷基化的吡咯烷酮和相应的哌啶酮，甲醇和聚乙二醇的二醇的混合物，该方法包括用包含上述化合物的水溶液洗涤天然气，随后进行汽提再生步骤。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式