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    Improvements in the continuous production of hexachlorcyclopentadiene
    11.
    发明专利
    Improvements in the continuous production of hexachlorcyclopentadiene 未知

    公开(公告)号：GB846814A

    公开(公告)日：1960-08-31

    申请号：GB3702058

    申请日：1958-11-18

    Applicant: BASF AG

    Inventor： STEINHOFER ADOLF ,  MINSINGER MANFRED ,  FRIEDERICH HERBERT

    IPC: C07C17/10

    Abstract: Hexachlorocyclopentadiene is continuously prepared by reacting n-pentane, isopentane, cyclopentane, cyclopentene, cyclopentadiene or dicyclopentadiene or mixtures thereof, with chlorine in the p presence of a catalyst at 200 DEG C. or above, where the hydrocarbon vapour is continuously brought into a reaction zone heated to reaction temperature together with chlorine and, as catalyst, the vapour of at least one compound selected from oxides of nitrogen, nitrogen oxychlorides, aliphatic, alicyclic, aromatic or heterocylic amines, benzonitrile, monocarboxylic acid nitriles, unsubstituted or N-alkyl (1 to 4 carbon atoms) mono- or di-substituted monocarboxylic acid amides of alkane or alkene carboxylic acids with up to six carbon atoms in the alkane or alkene radical or cyclic N-unsubstituted or N-alkyl (1 to 4 carbon atoms), mono- or di-substituted carboxylic acid amides where the amide group forms part of a ring with 3 to 5 CH2 groups, so that the reactants and catalyst pass through the reaction zone in vapour phase, cooling the vapour leaving the zone and separating hexachlorocyclopentadiene from the condensate. The ratio of hydrocarbon to chlorine is preferably between 1:8 and 1:15 and the concentration of the nitrogenou s catalyst 0,2 to 10% by weight based on the hydrocarbon. The gaseous reaction mixture is preferably diluted with an inert gas, generally 5 to 50 mols of nitrogen per mole of chlorine. The reaction zone may be a vertical tube of steel, quartz or ceramic, heated externally e.g., electrically, with the gas stream entering at the top and leaving at the bottom. The catalyst, if solid or liquid at room temperature, may be introduced as such into the heated reaction zone or vaporised and mixed with one or both reactants. Many specific catalysts of each particular group are mentioned. In the examples the reactants, temperature, flow rates and content of the liquefied reaction product are tabulated. The examples illustrate the use as catalysts, of NO, N2O, NO2, NOCl, NO2Cl, triethylamine, n-butylamine, pyridine, pyrrolidine, N-butylpyrrolidine, dibutylamine, cyclohexylamine, diethylamine, 2-ethylhexylamine-1, propionitrile, acrylonitrile, benzonitrile, acetonitrile, N,N-dimethylformamide, N,N-dibutylformamide, N-methylformamide and N-methyl pyrrolidone. Specification 771,856 and U.S.A. Specification 2,658,085 are referred to.

    A perforated plate for a fluidisation reactor
    12.
    发明专利
    A perforated plate for a fluidisation reactor 未知

    公开(公告)号：GB1081660A

    公开(公告)日：1967-08-31

    申请号：GB5151764

    申请日：1964-12-18

    Applicant: BASF AG

    Inventor： MUELLER KARL-HEINZ ,  MINSINGER MANFRED ,  KLINGENSPOR HELMUT

    IPC: B01J8/44

    Abstract: A perforated plate for a fluidised reactor comprises holes closed by bolts 4, the heads of which rest on the upper surface of the plate, each bolt having a bore 5 through the shaft, communicating with bores 6 radiating therefrom and at an ange thereto of not more than 90 DEG , said bores 6 each communicating with a further bore extending vertically to the surface of the bolt head. The numerals refer to the Figures (not shown), which also illustrate the provision of heat exchange pipes 3 passing through sleeves 2, the latter being sealed into the bottom of the reactor or into an intermediate plate 7, in turn welded to the bottom of the reactor. The heat exchange tubes are sealed into the bottom of the reactor.

    Continuous production of hexachlorocyclopentadiene
    14.
    发明专利
    Continuous production of hexachlorocyclopentadiene 未知

    公开(公告)号：GB906262A

    公开(公告)日：1962-09-19

    申请号：GB1678361

    申请日：1961-05-09

    Applicant: BASF AG

    Inventor： MINSINGER MANFRED

    IPC: C07C17/10

    Abstract: The continuous production of hexachlorocyclopentadiene by vapour phase reaction of dicyclopentadiene or of C5 aliphatic or cycloaliphatic hydrocarbons and/or chlorohydrocarbons with chlorine is effected in a single reaction zone heated at an approximately constant temperature between 350 and 600 DEG C. and containing a single fluidised catalyst layer. The preferred catalyst comprises 0.1-2mm. carbon particles, but infusorial earth, kieselguhr, pumice and sodium chloride are also mentioned. Specified C5 reactants are n-pentane, methylbutane, isopentane, n-pentene, methylbutene, isoprene, 1:3-pentadiene, cyclopentane, cyclopentene, cyclopentadiene and their chlorinated derivatives e.g. 1-, 2- and 3- chloropentanes. Specifications 735,025, 771,856, 846,814, U.S.A. Specifications 2,473,162, 2,509,160, German Specification 1,013,646 and Austrian Specification 162,583 are referred to.

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