US 11,806,707 B2
Method, tube bundle reactor and reactor system for carrying out catalytic gas phase reactions
Christian Schuhbauer, Hunderdorf (DE); Dieter Verbeek, Eging am See (DE); and Rolf Bank, Deggendorf (DE)
Assigned to MAN ENERGY SOLUTIONS SE, Augsburg (DE)
Appl. No. 15/734,819
Filed by MAN Energy Solutions SE, Augsburg (DE)
PCT Filed Apr. 24, 2019, PCT No. PCT/EP2019/060446
§ 371(c)(1), (2) Date Dec. 3, 2020,
PCT Pub. No. WO2019/233673, PCT Pub. Date Dec. 12, 2019.
Claims priority of application No. 10 2018 113 735.4 (DE), filed on Jun. 8, 2018.
Prior Publication US 2021/0245129 A1, Aug. 12, 2021
Int. Cl. B01J 8/06 (2006.01); B01J 8/04 (2006.01); C07C 1/04 (2006.01); C07C 1/12 (2006.01); C07C 1/02 (2006.01); C07C 9/04 (2006.01)
CPC B01J 8/067 (2013.01) [B01J 8/0469 (2013.01); B01J 8/0496 (2013.01); B01J 8/065 (2013.01); C07C 1/041 (2013.01); C07C 1/042 (2013.01); C07C 1/048 (2013.01); C07C 1/12 (2013.01); B01J 2208/0053 (2013.01); B01J 2208/00539 (2013.01); B01J 2208/00548 (2013.01); B01J 2208/00663 (2013.01); B01J 2208/065 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A tube bundle reactor, comprising:
a bundle of reaction tubes that are filled with a catalyst charge and through which a reaction gas flows during operation and which are cooled by a heat transfer medium;
a metering tube is embedded at least partially in the catalyst charge in each reaction tube and arranged coaxially thereto,
wherein the metering tube extends from a gas-inlet-side end of the catalyst charge a predefined length into the catalyst charge,
wherein an interior of the metering tube is catalyst-free,
wherein the metering tube has at least one gas inflow point outside the catalyst charge, and
wherein the metering tube has at least one first gas outflow point in a region of the catalyst charge,
wherein the at least one first gas outflow point in a flow direction of the reaction gas is arranged at a predefined distance from the gas-inlet-side end of the catalyst charge so that a partial flow of the reaction gas flowing into each reaction tube flows in a bypass to the catalyst charge there,
wherein:
a first catalyst charge of the catalyst charge has at least two catalyst layers of different activity,
the at least two catalyst layers contain a same catalyst material,
a first catalyst layer of the at least two catalyst layers in the flow direction of the reaction gas contains 5 vol. % to 90 vol. % of the catalyst material of a directly adjacent at least one second catalyst layer of the at least two catalyst layers, and
a first gas outflow point in the flow direction of the reaction gas of the at least one first gas outflow point opens into the at least one second catalyst layer,
wherein the catalyst material is a methanation catalyst.