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公开(公告)号:US06171476B2
公开(公告)日:2001-01-09
申请号:US09271707
申请日:1999-03-18
申请人: Dean C. Draemel , Nicholas C. Nahas , Teh Chung Ho
发明人: Dean C. Draemel , Nicholas C. Nahas , Teh Chung Ho
IPC分类号: G35
CPC分类号: C10G11/18 , B01J8/1827 , B01J19/008
摘要: A cavitation enhanced atomizing process comprises forming a flowing solution of the liquid to be atomized and a lower boiling cavitating liquid. This flowing solution is then contacted with a pressure reducing means, at a temperature below the bubble point of the cavitating liquid in the solution, to produce cavitation bubbles. These bubbles comprise cavitation liquid vapor and the bubble nucleation produces a two-phase fluid of the bubbles and liquid solution. The two-phase fluid is passed downstream into and through an atomizing means, such as an orifice, and into a lower pressure atomizing zone, in which the bubbles vaporize to form a spray of liquid droplets. The nucleated bubbles also grow in size as the so-formed two-phase fluid passes downstream to and through the atomizing means.
摘要翻译: 气穴增强雾化工艺包括形成待雾化液体的流动溶液和较低沸点的空化液。 然后将该流动溶液与减压装置接触,温度低于溶液中空化液体的起泡点,产生空化气泡。 这些气泡包含空化液体蒸气,气泡成核产生气泡和液体溶液的两相流体。 两相流体通过下游进入并通过诸如孔口的雾化装置,并进入低压雾化区,其中气泡蒸发以形成液滴的喷雾。 当形成的两相流体通过下游并通过雾化装置时,有核气泡的尺寸也增长。
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公开(公告)号:US06776607B2
公开(公告)日:2004-08-17
申请号:US09892382
申请日:2001-06-26
IPC分类号: F23J1500
CPC分类号: C10G11/182 , B01J38/14 , B01J38/16 , B01J38/20
摘要: The invention relates to a process and apparatus for controlling afterburning in the regenerator of a FCC unit. The process and apparatus inject steam into the dilute phase within a regenerator to promote combustion of carbon monoxide before it enters the regenerator cyclones, plenum, or flue gas transfer lines.
摘要翻译: 本发明涉及用于控制FCC单元的再生器中的后燃烧的方法和装置。 该方法和装置将蒸汽注入到再生器内的稀相中,以在一氧化碳进入再生器旋风分离器,增压室或烟道气输送管线之前促进一氧化碳的燃烧。
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公开(公告)号:US06783662B2
公开(公告)日:2004-08-31
申请号:US10273932
申请日:2002-10-17
申请人: Dean C. Draemel , Nicholas C. Nahas , Teh C. Ho
发明人: Dean C. Draemel , Nicholas C. Nahas , Teh C. Ho
IPC分类号: C10G3510
CPC分类号: B01J8/1827 , B01J19/008 , C10G11/18
摘要: A cavitation enhanced atomizing process comprises forming a flowing solution of the liquid to be atomized and a lower boiling cavitating liquid. This flowing solution is then contacted with a pressure reducing means, at a temperature below the bubble point of the cavitating liquid in the solution, to produce cavitation bubbles. These bubbles comprise cavitation liquid vapor and the bubble nucleation produces a two-phase fluid of the bubbles and liquid solution. The two-phase fluid is passed downstream into and through an atomizing means, such as an orifice, and into a lower pressure atomizing zone, in which the bubbles vaporize to form a spray of liquid droplets. The nucleated bubbles also grow in size as the so-formed two-phase fluid passes downstream to and through the atomizing means.
摘要翻译: 气穴增强雾化工艺包括形成待雾化液体的流动溶液和较低沸点的空化液。 然后将该流动溶液与减压装置接触,温度低于溶液中空化液体的起泡点,产生空化气泡。 这些气泡包含空化液体蒸气,气泡成核产生气泡和液体溶液的两相流体。 两相流体通过下游进入并通过诸如孔口的雾化装置,并进入低压雾化区,其中气泡蒸发以形成液滴的喷雾。 当形成的两相流体通过下游并通过雾化装置时,有核气泡的尺寸也增长。
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公开(公告)号:US5248407A
公开(公告)日:1993-09-28
申请号:US914073
申请日:1992-07-16
IPC分类号: C08L95/00
CPC分类号: C08L95/00
摘要: Paving binders, especially hot mix paving mixtures, having excellent storage stability, reduced binder runoff, and high temperature viscosity are formed by adding a copolymer of ethylene with an alkyl acrylate or vinyl acetate and a neutralized sulfonated polymer to the asphalt. Preferably, the alkyl acrylate is methyl acrylate and the neutralized sulfonated polymer is a terpolymer of ethylene, propylene, and a diene monomer.
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公开(公告)号:US4284416A
公开(公告)日:1981-08-18
申请号:US103648
申请日:1979-12-14
申请人: Nicholas C. Nahas
发明人: Nicholas C. Nahas
CPC分类号: C10J3/00 , C10J3/54 , C10J2300/0903 , C10J2300/093 , C10J2300/0986 , C10J2300/1807 , Y10S48/07
摘要: Carbonaceous solids slurried in an aqueous solution, which preferably contains catalyst constituents having gasification activity, are dried by contacting the slurry with superheated steam in a fluid bed slurry dryer and the resultant dried solids are subsequently gasified with steam generated in the dryer.
摘要翻译: 在优选含有具有气化活性的催化剂组分的水溶液中浆化的碳质固体通过在流化床淤浆干燥器中使浆料与过热蒸汽接触而干燥,然后将所得干燥固体随后在干燥器中产生的蒸汽气化。
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公开(公告)号:US4211538A
公开(公告)日:1980-07-08
申请号:US920045
申请日:1978-06-28
IPC分类号: C10J3/54
CPC分类号: C10J3/54 , C10J3/482 , C10J3/723 , C10J3/74 , C10J3/84 , C10K1/003 , C10K1/004 , C10K1/005 , C10K1/101 , C10K1/122 , C10K1/143 , C10K1/146 , C10K1/165 , C10J2300/093 , C10J2300/094 , C10J2300/0943 , C10J2300/0946 , C10J2300/0976 , C10J2300/0996 , C10J2300/1846
摘要: An intermediate Btu gas is produced by reacting steam with a carbonaceous feed material in the presence of a carbon-alkali metal catalyst and substantially equilibrium quantities of added hydrogen and carbon monoxide at a temperature between about 1000.degree. F. and about 1500.degree. F. and a pressure in excess of about 100 psia to produce an effluent or raw product gas consisting essentially of equilibrium quantities, at reaction temperature and pressure, of methane, steam, carbon dioxide, carbon monoxide and hydrogen; recovering at least a portion of the effluent or raw product gas from the gasifier as an intermediate Btu product gas; contacting a carbon-containing material with steam in a steam reforming zone under conditions such that at least a portion of the carbon-containing material reacts with the steam to produce carbon monoxide and hydrogen; and passing the effluent from the reforming zone into the gasifier, thereby supplying the added hydrogen and carbon monoxide required in the gasifier.
摘要翻译: 在碳 - 金属催化剂存在下,蒸汽与含碳原料反应生成中间体Btu气体,在大约1000°F至大约1500°F的温度下,基本上平衡量的加氢和一氧化碳, 压力超过约100psia,以产生在反应温度和压力下,甲烷,蒸汽,二氧化碳,一氧化碳和氢气基本上由平衡量组成的流出物或原始产品气体; 从作为中间体Btu产物气体的气化器回收至少一部分流出物或原始产物气体; 在含水材料的至少一部分与蒸汽反应产生一氧化碳和氢气的条件下,使含碳材料与蒸汽重整区中的蒸汽接触; 并将来自重整区的流出物送入气化器,由此供应气化器中所需的加氢和一氧化碳。
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公开(公告)号:US5006608A
公开(公告)日:1991-04-09
申请号:US241620
申请日:1988-09-08
申请人: John B. Gardiner , Anthony A. Loffredo , ricardo Bloch , Nicholas C. Nahas , Keith U. Ingold , Theodore V. Kowalchyn
发明人: John B. Gardiner , Anthony A. Loffredo , ricardo Bloch , Nicholas C. Nahas , Keith U. Ingold , Theodore V. Kowalchyn
IPC分类号: C08F8/50 , C10M143/18
CPC分类号: C10M143/18 , B29B7/00 , B29C47/92 , C08F8/50 , B29C2947/92704 , B29C47/0004 , B29C47/38 , B29C47/805 , C08F2800/20 , C08F2810/10 , C10M2205/00 , C10M2205/026 , C10M2205/06 , C10M2205/10
摘要: The molecular weight and the thickening efficiency of primarily oil soluble hydrocarbon polymers, such as hydrogenated random copolymers and block copolymers of styrene-isoprene or styrene-butadiene, polyisobutylene, poly-n-butene, low unsaturation butyl rubbers, low unsaturation EPDM rubbers, preferably ethylene-propylene copolymers, of the type which are to be used as viscosity index improver additives or as precursors for dispersants and multi-functional viscosity improver additives for lubricating oils, are reduced by heating and masticating the polymers in the presence of oxygen or air and in the presence of a transition metal catalyst, preferably in the further presence of a peroxide accelerator.
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公开(公告)号:US4260421A
公开(公告)日:1981-04-07
申请号:US41271
申请日:1979-05-18
CPC分类号: C04B7/24 , Y02P40/145
摘要: Cement is produced by feeding residue solids containing carbonaceous material and ash constituents obtained from converting a carbonaceous feed material into liquids and/or gases into a cement-making zone and burning the carbon in the residue solids to supply at least a portion of the energy required to convert the solids into cement.
摘要翻译: 通过将含有碳质材料的残余固体和由碳质进料转化成液体和/或气体的灰分组分进料到水泥制造区域中并将残留物中的碳燃烧以提供所需能量的至少一部分来生产水泥 将固体转化成水泥。
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公开(公告)号:US4057512A
公开(公告)日:1977-11-08
申请号:US618292
申请日:1975-09-29
CPC分类号: C10J3/54 , B01J23/92 , C01B33/12 , C01D5/02 , C01F7/34 , C01F7/36 , C05C5/00 , C10J3/482 , C10J2300/093 , C10J2300/0973 , C10J2300/0986 , C10J2300/1853 , Y02P20/52 , Y02P20/584
摘要: In a coal gasification operation or similar process carried out in the presence of an alkali metal-containing catalyst wherein spent solids containing ash and alkali metal catalyst residues are produced, alkali metal constituents are recovered from the spent solids by first removing magnetic constituents from the solids, contacting the solid particles from which magnetic constituents have been separated with an acid solution to extract alkali metal constituents from the solids and produce a spent acid solution enriched in alkali metal salts, raising the pH of the enriched solution sufficiently to precipitate aluminum from the solution as aluminum hydroxide, heating the remaining solution to precipitate silicon compounds, and recovering an enriched alkali metal solution from which aluminum and silicon compounds have been removed. This process permits the effective recovery of alkali metal catalyst constituents, eliminates iron compounds and other inactive constituents which may otherwise tend to build up in the catalyst system, and makes possible the recovery of aluminum as a valuable by-product of the process.
摘要翻译: 在生产含有灰分和碱金属催化剂残余物的废固体的碱金属的催化剂存在下进行的煤气化操作或类似方法中,通过首先从固体中除去磁性成分从废固体中回收碱金属成分 使已经与磁性组分分离的固体颗粒与酸溶液接触以从固体中提取碱金属成分,并产生富含碱金属盐的废酸溶液,从而使富含溶液的pH充分地从溶液中沉淀出铝 作为氢氧化铝,加热剩余的溶液以沉淀硅化合物,并回收已除去铝和硅化合物的富集的碱金属溶液。 该方法允许碱金属催化剂组分的有效回收,消除铁化合物和其它可能倾向于在催化剂体系中累积的其它无活性组分,并且使作为该方法有价值的副产物的铝的回收成为可能。
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公开(公告)号:US5549744A
公开(公告)日:1996-08-27
申请号:US525898
申请日:1995-09-08
IPC分类号: C08L95/00 , E01C7/26 , C09D195/00
摘要: The present invention provides for a method of making storage stable road paving binders by blending a minor amount of a polymer having at least one diene monomer with a major amount of asphalt containing at least 0.3% by weight of total nitrogen at an elevated temperature such that the components are sufficiently fluid to blend; treating the asphalt-polymer blend using not more than 250 meq of a sulfonating agent per 100 g of asphalt-polymer blend to introduce the corresponding acid functionality into the blend; maintaining the sulfonated asphalt-polymer blend at a sufficiently elevated temperature and stripping the sulfonated blend with sufficient chemically unreactive gas to remove a major fraction of the acid functionality introduced by sulfonation. The invention also provides for the compositions made by the process. These are useful as binders in road paving applications.
摘要翻译: 本发明提供一种通过将少量具有至少一种二烯单体的聚合物与主要含量为总氮至少0.3重量%的沥青在升高的温度下混合来制备储存稳定的铺路粘合剂的方法,使得 组分充分流体混合; 使用每100g沥青聚合物共混物不超过250meq的磺化剂处理沥青聚合物共混物以将相应的酸官能团引入到共混物中; 在充分升高的温度下保持磺化沥青聚合物共混物,并用足够的化学反应性气体汽提磺化的共混物,以除去通过磺化引入的大部分酸性官能团。 本发明还提供了通过该方法制备的组合物。 这些作为道路铺路应用中的粘合剂是有用的。
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