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公开(公告)号：US4872991A
公开(公告)日：1989-10-10
申请号：US214981
申请日：1988-07-05
申请人： Craig R. Bartels , Tansukhlal G. Dorawala , Michael T. Stephenson , Mordechai Pasternak , John Reale, Jr.
发明人： Craig R. Bartels , Tansukhlal G. Dorawala , Michael T. Stephenson , Mordechai Pasternak , John Reale, Jr.
CPC分类号： C08G69/26 , B01D17/0208 , B01D69/125 , B01D71/56 , C02F1/442
摘要： Aqueous liquor containing immiscible hydrocarbon liquid, such as produced water from an offshore petroleum drilling platform, is treated by gravity separation, skimming, and nanofiltration.
摘要翻译： 含有不混溶烃液体的含水液体，例如来自海上石油钻井平台的生产水，通过重力分离，撇取和纳滤处理。
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公开(公告)号：US5006576A
公开(公告)日：1991-04-09
申请号：US311661
申请日：1989-02-16
IPC分类号： B01D61/36 , B01D67/00 , B01D69/12 , B01D71/32 , B01D71/38 , C07C29/76 , C07C45/78 , C07C45/81
CPC分类号： B01D67/0093 , B01D61/362 , B01D69/125 , B01D71/32 , B01D71/38 , C07C29/76 , C07C45/786 , C07C45/81 , B01D2323/30 , C07B2200/07
摘要： A dilute solution of methyl ethyl ketone is concentrated by pervaporation through a fluorinated ion exchange membrane which has been exchanged with a quaternary ammonium cation.
摘要翻译： 通过使用季铵阳离子交换的氟化离子交换膜，通过全蒸发浓缩甲基乙基酮的稀溶液。
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公开(公告)号：US4952318A
公开(公告)日：1990-08-28
申请号：US141449
申请日：1988-01-07
CPC分类号： B01D67/0093 , B01D61/362 , B01D69/125 , B01D71/32 , B01D71/38 , C07C29/76 , C07C45/786 , B01D2323/30 , Y10S159/28
摘要： A dilute solution of methyl ethyl ketone is concentrated by pervaporation through a fluorinated ion exchange membrane which has been exchanged with a quaternary ammonium cation.
摘要翻译： 通过使用季铵阳离子交换的氟化离子交换膜，通过全蒸发浓缩甲基乙基酮的稀溶液。
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公开(公告)号：US4898674A
公开(公告)日：1990-02-06
申请号：US172663
申请日：1988-03-24
IPC分类号： B01D61/36 , B01D67/00 , B01D71/32 , B01D71/82 , B01J47/12 , C10G73/06 , C10G73/22 , C10G73/34
CPC分类号： B01D67/0093 , B01D61/362 , B01D71/32 , B01D71/82 , C10G73/06
摘要： Solvent dewaxing of charge lubricating oil stocks requiring different ratios of methyl ethyl ketone to toluene is effected by adjusting the ratio of components in the dewaxing solvent by a membrane.
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5.发明授权
公开(公告)号：US4344865A
公开(公告)日：1982-08-17
申请号：US231820
申请日：1981-02-05
IPC分类号： B01J23/652 , B01J23/89 , B01J23/96 , C07C5/41 , C10G35/085 , C10G35/06
CPC分类号： C10G35/085 , B01J23/6522 , B01J23/8946 , B01J23/8993 , B01J23/96 , C07C5/417 , Y02P20/584
摘要： Steam dehydrocyclization of paraffinic hydrocarbons to aromatic hydrocarbons is effected in the presence of supported catalyst, typically bearing rhodium and preferably chromium and potassium, and characterized by a pH less than about 8.
摘要翻译： 链烷烃到芳烃的蒸汽脱氢环化在负载型催化剂的存在下进行，通常负载铑，优选为铬和钾，其特征在于pH小于约8。
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公开(公告)号：US4304658A
公开(公告)日：1981-12-08
申请号：US103302
申请日：1979-12-13
IPC分类号： B01J23/652 , B01J23/89 , C07C5/41 , C10G35/085 , C10G35/06
CPC分类号： C07C5/417 , B01J23/6522 , B01J23/8946 , B01J23/8993 , C10G35/085
摘要： Steam dehydrocyclization of paraffinic hydrocarbons to aromatic hydrocarbons is effected in the presence of supported catalyst, typically bearing rhodium and preferably chromium and potassium, and characterized by a pH less than about 8.
摘要翻译： 链烷烃到芳烃的蒸汽脱氢环化在负载型催化剂的存在下进行，通常负载铑，优选为铬和钾，其特征在于pH小于约8。
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7.发明授权Process for dealkylating an alkylaromatic hydrocarbon using supported catalyst 失效使用负载催化剂使烷基芳族烃脱烷基化的方法
公开(公告)号：US4147734A
公开(公告)日：1979-04-03
申请号：US783595
申请日：1977-04-01
CPC分类号： B01J37/00 , B01J23/85 , B01J27/053 , C07C4/20 , C07C2521/04 , C07C2523/04 , C07C2523/26 , C07C2523/40 , C07C2523/74
摘要： A novel active alumina which has been treated with sulfate ion, is found to be particularly characterized by increased performance when used as a support for catalyst which may be used in hydrocarbon conversion processes such as steam dealkylation.
摘要翻译： 发现已经用硫酸根离子处理的新型活性氧化铝被特别表征为当用作可用于烃转化过程如蒸汽脱烷基化的催化剂的载体时性能提高。
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公开(公告)号：US4360454A
公开(公告)日：1982-11-23
申请号：US274854
申请日：1981-06-18
CPC分类号： C10G35/09 , B01J23/66 , B01J23/8946 , B01J23/8993
摘要： Steam dehydrocyclization of paraffinic hydrocarbons to aromatic hydrocarbons is effected in the presence of catalyst, typically a supported rhodium catalyst bearing copper.
摘要翻译： 链烷烃与芳烃的蒸汽脱氢环化在催化剂存在下进行，通常是带有铜的负载铑催化剂。
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9.发明授权Steam dehydrocyclization of paraffinic hydrocarbons in the presence of catalyst containing Group VIII metal and an activating amount of a Group I B metal 失效在含有Ⅷ族金属的催化剂和活化量的第ⅧB族金属存在下，链烷烃的蒸汽脱氢环化
公开(公告)号：US4320240A
公开(公告)日：1982-03-16
申请号：US103303
申请日：1979-12-13
IPC分类号： C10G35/09
CPC分类号： C10G35/09
摘要： Steam dehydrocyclization of paraffinic hydrocarbons to aromatic hydrocarbons is effected in the presence of catalyst, typically a supported rhodium catalyst bearing copper.
摘要翻译： 链烷烃与芳烃的蒸汽脱氢环化在催化剂存在下进行，通常是带有铜的负载铑催化剂。
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公开(公告)号：US4215018A
公开(公告)日：1980-07-29
申请号：US939512
申请日：1978-09-05
CPC分类号： B01J23/78 , C07C4/20 , C07C2523/04 , C07C2523/75 , C07C2523/755 , C07C2523/78 , Y02P20/52
摘要： Alkylaromatic hydrocarbons are dealkylated in the presence of a catalyst typically containing oxides of nickel, potassium, and aluminum.
摘要翻译： 烷基芳族烃在通常含有镍，钾和铝的氧化物的催化剂的存在下脱烷基化。
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