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1. 发明授权

US5149896A Process for oligomerizing light olefins 失效
标题翻译：低分子量烯烃的方法
公开(公告)号：US5149896A
公开(公告)日：1992-09-22
申请号：US715786
申请日：1991-06-14
申请人： Giuseppe Bellussi , Fabrizio Cavani , Virginio Arrigoni , Roberto Ghezzi
发明人： Giuseppe Bellussi , Fabrizio Cavani , Virginio Arrigoni , Roberto Ghezzi
IPC分类号： C08F4/12 , C07C2/08 , C07C2/10 , C07C2/12 , C07C9/14 , C08F4/06 , C08F4/18 , C08F10/00 , C08F10/06 , C10G50/00
CPC分类号： C07C2/10 , C07C2521/04 , C07C2521/06 , C07C2521/08 , C07C2521/10 , C07C2521/12 , Y02P20/52
摘要： A process for oligomerizing propylene is described, consisting of reacting said olefin in the presence of an X-ray amorphous alumina-silica gel catalyst with a silica/alumina molar ratio of between 30/1 and 500/1, a surface area of between 500 and 1000 m.sup.2 /g, a total pore volume of between 0.3 and 0.6 ml/g, an average pore diameter of the order of 10 .ANG. or less, and free or substantially free of pores with a diameter greater than 30 .ANG..

2. 发明授权

US4331567A Process for preparing catalysts based on molybdenum and iron oxides 失效
标题翻译：基于钼和氧化铁制备催化剂的方法
公开(公告)号：US4331567A
公开(公告)日：1982-05-25
申请号：US218224
申请日：1980-12-19
申请人： Roberto Canavesi , Ferdinando Ligorati , Roberto Ghezzi , Roberto Clemente
发明人： Roberto Canavesi , Ferdinando Ligorati , Roberto Ghezzi , Roberto Clemente
IPC分类号： B01J23/881 , B01J37/06 , C07C45/38 , C07C47/052 , B01J23/88
CPC分类号： B01J37/06 , B01J23/881 , C07C45/38
摘要： Preparation of a catalyst based on molybdenum and iron oxides by precipitation from a soluble molybdenum compound and a soluble ferric salt, with separation of the precipitate from its mother waters and washing with deionized water.Molybdic ions are recovered from the mother waters and washing waters by contacting the latter with a salified anionic exchange resin, which is then contacted with aqueous alkali metal hydroxide to yield an aqueous solution of alkali metal molybdate.The molybdenum thus recovered may be recycled to the precipitation step upon conversion of the molybdate into molybdic acid by treatment with a strong cationic exchange resin, and possible conversion of the acid into ammonium paramolybdate.
摘要翻译：通过从可溶性钼化合物和可溶性铁盐中沉淀而制备基于钼和氧化铁的催化剂，将沉淀物与其母体水分离并用去离子水洗涤。通过使后者与盐化的阴离子交换树脂接触，从母体水和洗涤水中回收钼酸离子，然后将其与碱金属氢氧化物水溶液接触，得到碱金属钼酸盐水溶液。当用强阳离子交换树脂处理钼酸盐转化为钼酸，并将酸转化为仲钼酸铵时，这样回收的钼可以再循环到析出步骤。

3. 发明授权

US4420421A Process for the preparation of catalysts based on iron and molybdenum oxides 失效
标题翻译：用于制备基于铁和钼氧化物的催化剂的方法
公开(公告)号：US4420421A
公开(公告)日：1983-12-13
申请号：US326623
申请日：1981-12-02
申请人： Roberto Canavesi , Giancarlo Aglietti , Roberto Ghezzi
发明人： Roberto Canavesi , Giancarlo Aglietti , Roberto Ghezzi
IPC分类号： B01J23/881 , B01J23/882 , B01J23/94 , B01J37/06 , C07C45/38 , C07C47/052 , B01J23/88
CPC分类号： B01J37/06 , B01J23/881 , B01J23/882 , B01J23/94 , C07C45/38 , B01J2523/00 , Y02P20/584
摘要： A process is described for the preparation of catalysts based on molybdenum and iron oxides which comprises their controlled precipitation in an aqueous medium from sodium molybdate and a soluble ferric salt, the separation and the washing of the precipitate until its sodium content is reduced to less than 150 ppm. According to one embodiment, the sodium molybdate used as the reagent results from the action of aqueous sodium hydroxide on the spent catalyst.
摘要翻译：描述了一种制备基于钼和氧化铁的催化剂的方法，其包括其在钼酸钠和可溶性铁盐的水性介质中的控制沉淀，沉淀物的分离和洗涤直到其钠含量降至小于 150 ppm。根据一个实施方案，用作试剂的钼酸钠源于氢氧化钠水溶液对废催化剂的作用。

4. 发明授权

US4306104A Process for the preparation of chlorobenzene 失效
标题翻译：制备氯苯的方法
公开(公告)号：US4306104A
公开(公告)日：1981-12-15
申请号：US828998
申请日：1977-08-30
申请人： Roberto Canavesi , Roberto Ghezzi , Giorgio Podesta
发明人： Roberto Canavesi , Roberto Ghezzi , Giorgio Podesta
IPC分类号： B01J27/00 , B01J27/10 , B01J35/10 , C07B61/00 , C07C17/00 , C07C17/156 , C07C25/06 , C07C25/08 , C07C67/00 , C07C17/12
CPC分类号： B01J35/10 , B01J27/10 , C07C17/156 , B01J35/1019 , B01J35/1038 , B01J35/1057 , B01J35/1085
摘要： Chlorobenzene is produced by contacting a gaseous flow comprising benzene, oxygen and a halogenating agent, at a temperature of from 190.degree. to 230.degree. C., with a fluidized bed of catalyst particles comprising copper chloride deposited on an eta alumina support having a total volume of pores of from 0.3 to 0.5 ml/g and a surface area of from 250 to 400 m.sup.2 /g.
摘要翻译：通过使包含苯，氧和卤化剂的气流在190℃至230℃的温度下与包含沉积在具有总体积的乙酸铝载体上的氯化铜的催化剂颗粒的流化床接触来制备氯苯，的孔为0.3〜0.5ml / g，表面积为250〜400m2 / g。

5. 发明授权

US4609635A Method for the regeneration of ammoxidation catalysts 失效
标题翻译：氨氧化催化剂再生方法
公开(公告)号：US4609635A
公开(公告)日：1986-09-02
申请号：US724070
申请日：1985-04-17
申请人： Roberto Canavesi , Ferdinando Ligorati , Roberto Ghezzi
发明人： Roberto Canavesi , Ferdinando Ligorati , Roberto Ghezzi
IPC分类号： B01J27/192 , B01J27/28 , B01J38/48 , B01J38/60 , B01J38/64 , C07B61/00 , C07C67/00 , C07C253/00 , C07C253/26 , C07C255/08 , B01J38/66 , C07C120/02
CPC分类号： C07C253/26 , B01J27/285 , B01J38/485 , Y02P20/52 , Y02P20/584
摘要： Regeneration of an ammoxidation catalyst which is exhausted as a result of prolonged exposure to ammoxidation conditions, containing oxides of Mo, Bi, P, Fe, Co, Ni and possibly an alkali metal, particularly K, on a granular support, particularly silica, by means of a method including:the impregnation of the granules of spent catalyst with an aqueous molybdic acid solution, or with an aqueous solution of partially or totally salified molybdic acid in the form of the ammonium salt, with a volume of impregnation solution less than the total pore volume of the catalyst subjected to regeneration;the drying of the impregnated granules at a temperature of from 100.degree. to 200.degree. C.;the calcining of the dried granules at a temperature of from 250.degree. to 450.degree. C., solely when the impregnation is with an aqueous solution of partially or totally salified molybdic acid.Under ammoxidation conditions, the catalyst regenerated in this manner displays characteristics of activity, selectivity and of mechanical strength similar to those of the fresh catalyst.
摘要翻译：由于长时间暴露于含有Mo，Bi，P，Fe，Co，Ni和可能的碱金属（特别是K）的氧化物的氨氧化条件而在颗粒状载体上，特别是二氧化硅上的氨氧化催化剂的再生，由方法的手段包括：用钼酸水溶液浸渍废催化剂颗粒，或用铵盐形式的部分或全部盐化的钼酸水溶液浸渍一定量的浸渍溶液，经过再生的催化剂的总孔体积; 浸渍的颗粒在100℃至200℃的温度下干燥; 干燥的颗粒在250℃至450℃的温度下煅烧，仅当浸渍是部分或全部盐化的钼酸的水溶液时。在氨氧化条件下，以这种方式再生的催化剂显示与新鲜催化剂相似的活性，选择性和机械强度的特性。

6. 发明授权

US4401631A Process for the recovery of molybdenum from mixtures of molybdenum compounds with other metallic compounds 失效
标题翻译：从钼化合物与其他金属化合物的混合物中回收钼的方法
公开(公告)号：US4401631A
公开(公告)日：1983-08-30
申请号：US218225
申请日：1980-12-19
申请人： Roberto Canavesi , Ferdinando Ligorati , Roberto Ghezzi , Roberto Clemente
发明人： Roberto Canavesi , Ferdinando Ligorati , Roberto Ghezzi , Roberto Clemente
IPC分类号： C01G39/00 , C22B7/00 , C22B34/34 , C22C3/00
CPC分类号： C22B34/34 , C01G39/003 , C22B3/42 , C22B7/008 , Y02P10/234
摘要： Recovery of molybdenum from a solid mixture, such as an exhausted catalyst, containing molybdenum in the oxide form or in the form of molybdic ions and other metallic compounds.The mixture is contacted with an aqueous alkali metal hydroxide to solubilize molybdenum in the form of an alkali metal molybdate, and after filtration the aqueous solution of alkali metal molybdate thus obtained is contacted with a strong cationic exchange resin to convert said molybdate into molybdic acid.
摘要翻译：从固体混合物（例如耗尽的催化剂）中回收钼，其含有氧化物形式的钼或钼离子和其它金属化合物的形式。将混合物与碱金属氢氧化物水溶液接触，以钼酸碱金属的形式溶解钼，并且过滤后所得到的碱金属钼酸盐水溶液与强阳离子交换树脂接触以将所述钼酸盐转化为钼酸。

7. 发明授权

US4377491A Oxychlorination catalyst precursor and process for its preparation 失效
标题翻译：氧氯化催化剂前体及其制备方法
公开(公告)号：US4377491A
公开(公告)日：1983-03-22
申请号：US345465
申请日：1982-01-03
申请人： Roberto Canavesi , Roberto Ghezzi , Vittorio Tagliabue
发明人： Roberto Canavesi , Roberto Ghezzi , Vittorio Tagliabue
IPC分类号： B01J27/10 , B01J27/122 , C07C17/156
CPC分类号： B01J27/122 , B01J27/10 , C07C17/156
摘要： An oxychlorination catalyst precursor is described which is constituted by porous microspheroidal alumina particles impregnated with 3 to 7% by weight of cupric chloride (expressed in terms of the copper metal) and containing from 0.5 to 2% by weight of water, in which the copper is uniformly distributed over the entire surface area of the particles with a degree of non-uniformity not greater than .+-.7%.A process for the preparation of such a catalyst precursor is also described.The precursor is activated to give a catalyst which is readily fluidizable and which enables the oxychlorination of ethylene to dichloroethane to be carried out with high activity and selectivity values.
摘要翻译：描述了一种氧氯化催化剂前体，其由浸渍有3至7重量％的氯化铜（以铜金属表示）并含有0.5至2重量％的水的多孔微球氧化铝颗粒构成，其中铜均匀分布在不均匀度不大于+/- 7％的颗粒的整个表面积上。还描述了制备这种催化剂前体的方法。活化前体以产生易于流化的催化剂，并且能够以高活性和选择性值进行乙烯氧氯化至二氯乙烷。

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