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1.发明授权
公开(公告)号：US5463160A
公开(公告)日：1995-10-31
申请号：US112999
申请日：1993-08-30
IPC分类号： C07C5/27
CPC分类号： C07C5/2775 , Y02P20/125
摘要： The selective conversion by skeletal isomerization over steam pretreated ferrierite zeolite-based catalysts having pore sizes of at least about 4.2 Angstroms and a pore structure characterized by intersecting 10-MR and 8-MR channels. The steam pretreated ferrierite zeolite-based catalysts have sufficient acidity to catalyze the skeletal isomerization of normal olefins. The catalysts can be used to produce isoolefins for reaction with alcohols in integrated processes to produce tertiary amyl methyl ethers such as TAME.
摘要翻译： 通过在具有至少约4.2埃的孔径的蒸汽预处理的镁碱沸石基催化剂上进行骨架异构化的选择性转化和以10-MR和8-MR通道相交为特征的孔结构。 蒸汽预处理的镁碱沸石基催化剂具有足够的酸度来催化正构烯烃的骨架异构化。 催化剂可以用于制备用于与醇在一体化方法中反应的异烯烃，以产生叔戊基甲基醚如TAME。
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公开(公告)号：US5182247A
公开(公告)日：1993-01-26
申请号：US653217
申请日：1991-02-11
IPC分类号： B01J27/053 , C07C5/27
CPC分类号： B01J27/053 , C07C5/2781
摘要： Normal olefins such as n-butene can be converted to branched species by skeletal isomerization over catalysts containing solid acids prepared by sulfating catalyst precursors containing hydrous metal oxides--e.g., aluminas, silica-aluminas or clays treated with sulfuric acid, metal sulfates, sulfur trioxide or organic sulfates. The catalyst precursors are sulfated sufficiently to produce the desired skeletal isomerization without substantial cracking under suitable isomerization conditions.
摘要翻译： 通过骨架异构化，可以通过骨架异构化将正链烯烃转化成支链物质，所述催化剂含有通过硫酸化含有水合金属氧化物的催化剂前体制备的固体酸，例如氧化铝，二氧化硅 - 氧化铝或硫酸处理的粘土，金属硫酸盐，三氧化硫 或有机硫酸盐。 催化剂前体被充分硫酸化以在合适的异构化条件下产生所需的骨架异构化而没有实质的裂解。
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3.发明授权Rehydrating inhibitors for preparation of high-solids concentration low rank coal slurries 失效用于制备高固体浓度低等级煤浆的再水合抑制剂
公开(公告)号：US4904277A
公开(公告)日：1990-02-27
申请号：US840233
申请日：1986-03-17
申请人： Mitri S. Najjar , James R. Pascoe , Ralph Garcia
发明人： Mitri S. Najjar , James R. Pascoe , Ralph Garcia
IPC分类号： C10L1/32
CPC分类号： C10L1/326
摘要： A method for preparing a high-solids concentration low rank coal slurry by dehydrating the coal, treating the dehydrated coal with a rehydrating inhibitor such as a (C.sub.3 -C.sub.12) alcohol and adding a surfactant to the treated coal, whereby the concentration of the solids is increased from about 5 to about 20 wt. %.
摘要翻译： 一种通过使煤脱水来制备高固体浓度低级煤浆的方法，用（C 3 -C 12）醇等再水合抑制剂处理脱水煤，并向处理过的煤中加入表面活性剂，由此固体的浓度 从约5至约20wt。 ％。
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公开(公告)号：US4950307A
公开(公告)日：1990-08-21
申请号：US840234
申请日：1986-03-17
申请人： Mitri S. Najjar , James R. Pascoe , Ralph Garcia
发明人： Mitri S. Najjar , James R. Pascoe , Ralph Garcia
IPC分类号： C10L1/32
CPC分类号： C10L1/326
摘要： A method for preparing a high-solids concentration low rank coal slurry by dehydrating the coal, treating the dehydrated coal with a rehydrating inhibitor such as a (C.sub.3 -C.sub.12) straight chain hydrocarbon, and adding a surfactant to the treated coal, whereby the concentration of the solids is increased from about 5 to about 20 wt. %.
摘要翻译： 一种通过使煤脱水制备高固体浓度低等级煤浆的方法，用（C 3 -C 12）直链烃等再水合抑制剂处理脱水煤，并向经处理的煤中加入表面活性剂，由此浓度 的固体从约5重量％增加至约20重量％。 ％。
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公开(公告)号：US4657702A
公开(公告)日：1987-04-14
申请号：US727955
申请日：1985-04-26
CPC分类号： C10J3/466 , C10J3/526 , C10J3/74 , C10J3/78 , C10J3/84 , C10J2300/0943 , C10J2300/0956 , C10J2300/0959 , C10J2300/1807 , C10J2300/1846
摘要： An aqueous dispersion of unreacted particulate petroleum coke substantially comprising carbon and containing a small amount of ash substantially comprising vanadium constituents and other materials from a process for the partial oxidation of petroleum coke to produce synthesis gas is mixed with a K.sup.+ amyl xanthate vanadium collection agent and a frothing agent. After pH adjustment, if necessary, the mixture is subjected to aeration with or without mechanical agitation in a froth flotation zone. About 70 to 95 wt. % of the unconverted particulate petroleum coke particles (basis carbon) float in the froth layer that is formed. The remainder of the unconverted petroleum coke comprising coarser particles is suspended in a bottom aqueous dispersion on which the froth layer floats. In addition, selective separation of the vanadium constituents in the unconverted petroleum coke ash takes place. The vanadium content of the ash in the floated portion of unconverted petroleum coke is unexpectedly decreased about 50 to 85 weight percent. Simultaneously, the vanadium content of the ash in the unconverted petroleum coke suspended in the bottom layer of aqueous dispersion is unexpectedly increased about 50 to 85 weight percent. Water may be recovered from this aqueous dispersion and recycled to the gas quench cooling and scrubbing zones. At least portions of the unconverted particulate petroleum coke from the foam layer and the bottom layer are recycled to the partial oxidation gas generator and to a vanadium recovery zone, respectively. By the subject process, the vanadium content in the recycle stream of unconverted petroleum coke to the gas generator is reduced. The life of the refractory lining of the gas generator is thereby extended.
摘要翻译： 将基本上包含碳并含有少量灰分的未反应的颗粒状石油焦水性分散体与K +戊基黄原酸钒收集剂和来自石油焦炭的部分氧化反应产生合成气的方法混合，所述灰分基本上包含钒组分和其它材料， 起泡剂。 pH调节后，如果需要，混合物在泡沫浮选区进行机械搅拌或无机械搅拌。 约70〜95重量％ 未转化的颗粒状石油焦炭颗粒（基础碳）的％浮在形成的泡沫层中。 将包含较粗颗粒的未转化的石油焦炭的其余部分悬浮在泡沫层浮起的底部水分散体中。 另外，在未转化的石油焦炭中进行钒成分的选择性分离。 未转化的石油焦的浮选部分中的灰分的钒含量意外地下降了约50至85重量％。 同时，悬浮在水分散体底层的未转化的石油焦炭中的灰分的钒含量意外地增加了约50至85重量％。 可以从该水分散体中回收水并再循环至气体骤冷冷却和洗涤区。 来自泡沫层和底层的未转化的颗粒状石油焦的至少一部分分别再循环到部分氧化气体发生器和钒回收区。 通过本发明方法，未转化的石油焦炭与气体发生器的再循环流中的钒含量降低。 从而延长了气体发生器耐火衬里的使用寿命。
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