公开(公告)号：WO2011057911A3

公开(公告)日：2011-07-14

申请号：PCT/EP2010066597

申请日：2010-11-02

Applicant: BASF SE ,  OLBERT GERHARD ,  BASSLER HANS-JUERGEN ,  STEINIGER MICHAEL

Inventor： OLBERT GERHARD ,  BASSLER HANS-JUERGEN ,  STEINIGER MICHAEL

IPC: B01J8/06 ,  C07C51/215 ,  C07C57/145

CPC classification number: B01J8/067 ,  B01J19/02 ,  B01J2219/00245 ,  B01J2219/0286 ,  C07C51/215 ,  C07C57/145

Abstract: The invention relates to a system for producing maleic acid anhydride by means of heterogeneously catalyzed gas phase oxidation of an inlet flow, comprising hydrocarbons having at least (4) carbon atoms per molecule, comprising a reactor having a bundle of reaction tubes into which a solid catalyst is introduced, on which the exothermal reaction of the inlet flow with a gas flow containing oxygen takes place, and one or more pumps and one or more heat exchangers located outside of the reactor, by means of which a heat carrier made of a salt melt is carried, permeating the intermediate reaction space between the reaction tubes and absorbing reaction heat, the temperature of the salt melt being in the range of 350 to 480 °C, characterized in that the reaction tubes are made of an alloyed, heat-resistant steel comprising either at least 0.5 wt % chromium, or at least 0.25 wt % molybdenum, or at least 0.5 wt % chromium and at least 0.25 wt % molybdenum.

Abstract translation: 通过包含具有烃的进料流的非均相催化气相氧化提出了一种用于生产马来酐的植物至少（4）每Moleküll个碳原子，其包括具有反应管束中，其中引入的固体催化剂，反应器在该进料流的与一个放热反应 氧发生含氧气体流，以及一个或多个泵和一个或多个通过该传热介质，从熔融盐形成的，被传递外的反应器的热交换器流过反应管之间的反应器空间，并吸收反应热，熔融盐的温度 在从350℃至480℃，其特征在于，该反应管由耐热合金钢，或者至少0.5重量％的铬，或至少0.25重量％的钼或英里的范围 ndestens 0.5重量铬的％和至少0.25重量％的钼。

公开(公告)号：ZA200900538B

公开(公告)日：2010-04-28

申请号：ZA200900538

申请日：2009-01-23

Applicant: BASF SE

Inventor： HECHLER CLAUS ,  RUPPEL WILHELM ,  SCHINDLER GOETZ-PETER ,  KLANNER CATHARINA ,  BASSLER HANS-JUERGEN ,  DIETERLE MARTIN ,  KLAPPERT KARL-HEINRICH ,  MUELLER-ENGEL KLAUS JOACHIM

IPC: B01J20100101 ,  B32B20100101 ,  C07C20100101

Abstract: Continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated in the gas phase involves at least one catalyst bed disposed in the reaction chamber and with generation of a product gas comprising the at least one dehydrogenated hydrocarbon, unconverted hydrocarbon to be dehydrogenated and molecular hydrogen and/or steam, is dehydrogenated partially in an oxidative or non-oxidative manner to at least one dehydrogenated hydrocarbon, and at least one product gas stream is withdrawn continuously from the reaction chamber. Process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated in the gas phase involves a reaction chamber enclosed by a shell which is in contact with the reaction chamber and has at least one first orifice for feeding at least one starting gas stream into the reaction chamber and at least one second orifice for withdrawing at least one product gas stream from the reaction chamber, at least one starting gas stream comprising at least one hydrocarbon to be dehydrogenated is fed continuously in the reaction chamber. The at least one hydrocarbon to be dehydrogenated is conducted through at least one catalyst bed disposed in the reaction chamber and with generation of a product gas comprising the at least one dehydrogenated hydrocarbon, unconverted hydrocarbon to be dehydrogenated and molecular hydrogen and/or steam, is dehydrogenated partially in an oxidative or non-oxidative manner to at least one dehydrogenated hydrocarbon, and at least one product gas stream is withdrawn continuously from the reaction chamber. The shell is manufactured from a composite material which, on its side B in contact with the reaction chamber, consists of steel B comprising (wt.%): chromium (18-30), nickel (9-37), silicon (1-4), aluminum (>=0-4), nitrogen (>=0-0.3), carbon (>=0-0.15), manganese (>=0-4), phosphorus (>=0-0.05), sulfur (>=0-0.05), and at least one rare earth metal (>=0-0.1), and iron and impurities resulting from production. The steel B, on its side A facing away from the reaction chamber, is plated either directly or via an intermediate layer of copper, and/or nickel, onto steel A comprising (wt.%): chromium (15-20), nickel (6-18), silicon (>=0-0.8), aluminum (>=0-0.8), nitrogen (>=0-0.3), carbon (>=0-0.15), molybdenum (>=0-4), manganese (>=0-2), titanium (>=0-0.8), niobium (>=0-1.2), vanadium (>=0-0.9), boron (>=0-0.1), phosphorus (>=0-0.05), sulfur (>=0-0.05), iron and impurities resulting from production, or a composition comprising (wt.%) Cr (19-23), Ni (30-35), Co (>=0-1), Si (>=0-1), Al (0.15-0.7), C (>=0-0.12), Mn (>=0-2), Cu (>=0-0.75), Ti (0.15-0.7), Nb (>=0-0.1), P (>=0-0.05), S (>=0-0.05) and iron and impurities resulting from production. An independent claim is included for a shell encloses an interior and has at least one first orifice for feeding at least one gas stream into the interior and at least one second orifice for withdrawing a gas stream fed to the interior beforehand via the at least one first orifice O1 from the interior. The shell is manufactured from a composite material which, on its side B in contact with the reaction chamber, consists of steel B on its side A facing away from the reaction chamber is plated either directly or via an intermediate layer of copper and/or nickel onto steel A.

公开(公告)号：AT552047T

公开(公告)日：2012-04-15

申请号：AT07765633

申请日：2007-06-26

Applicant: BASF SE

Inventor： HECHLER CLAUS ,  RUPPEL WILHELM ,  SCHINDLER GOETZ-PETER ,  HORSTMANN CATHARINA ,  BASSLER HANS-JUERGEN ,  DIETERLE MARTIN ,  KLAPPERT KARL-HEINRICH ,  MUELLER-ENGEL KLAUS JOACHIM

IPC: B01J8/06 ,  B01J19/02 ,  B32B15/01 ,  C07C5/333 ,  C07C51/215 ,  C22C30/00 ,  C22C38/40

Abstract: Continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated in the gas phase involves at least one catalyst bed disposed in the reaction chamber and with generation of a product gas comprising the at least one dehydrogenated hydrocarbon, unconverted hydrocarbon to be dehydrogenated and molecular hydrogen and/or steam, is dehydrogenated partially in an oxidative or non-oxidative manner to at least one dehydrogenated hydrocarbon, and at least one product gas stream is withdrawn continuously from the reaction chamber. Process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated in the gas phase involves a reaction chamber enclosed by a shell which is in contact with the reaction chamber and has at least one first orifice for feeding at least one starting gas stream into the reaction chamber and at least one second orifice for withdrawing at least one product gas stream from the reaction chamber, at least one starting gas stream comprising at least one hydrocarbon to be dehydrogenated is fed continuously in the reaction chamber. The at least one hydrocarbon to be dehydrogenated is conducted through at least one catalyst bed disposed in the reaction chamber and with generation of a product gas comprising the at least one dehydrogenated hydrocarbon, unconverted hydrocarbon to be dehydrogenated and molecular hydrogen and/or steam, is dehydrogenated partially in an oxidative or non-oxidative manner to at least one dehydrogenated hydrocarbon, and at least one product gas stream is withdrawn continuously from the reaction chamber. The shell is manufactured from a composite material which, on its side B in contact with the reaction chamber, consists of steel B comprising (wt.%): chromium (18-30), nickel (9-37), silicon (1-4), aluminum (>=0-4), nitrogen (>=0-0.3), carbon (>=0-0.15), manganese (>=0-4), phosphorus (>=0-0.05), sulfur (>=0-0.05), and at least one rare earth metal (>=0-0.1), and iron and impurities resulting from production. The steel B, on its side A facing away from the reaction chamber, is plated either directly or via an intermediate layer of copper, and/or nickel, onto steel A comprising (wt.%): chromium (15-20), nickel (6-18), silicon (>=0-0.8), aluminum (>=0-0.8), nitrogen (>=0-0.3), carbon (>=0-0.15), molybdenum (>=0-4), manganese (>=0-2), titanium (>=0-0.8), niobium (>=0-1.2), vanadium (>=0-0.9), boron (>=0-0.1), phosphorus (>=0-0.05), sulfur (>=0-0.05), iron and impurities resulting from production, or a composition comprising (wt.%) Cr (19-23), Ni (30-35), Co (>=0-1), Si (>=0-1), Al (0.15-0.7), C (>=0-0.12), Mn (>=0-2), Cu (>=0-0.75), Ti (0.15-0.7), Nb (>=0-0.1), P (>=0-0.05), S (>=0-0.05) and iron and impurities resulting from production. An independent claim is included for a shell encloses an interior and has at least one first orifice for feeding at least one gas stream into the interior and at least one second orifice for withdrawing a gas stream fed to the interior beforehand via the at least one first orifice O1 from the interior. The shell is manufactured from a composite material which, on its side B in contact with the reaction chamber, consists of steel B on its side A facing away from the reaction chamber is plated either directly or via an intermediate layer of copper and/or nickel onto steel A.