Abstract: A method for carrying out catalytic gas phase reactions including providing a tube bundle reactor which has a bundle of reaction tubes that are filled with a catalyst charge and are cooled by a heat transfer medium, conveying a reaction gas through the catalyst charge, the reaction gas flowing into each reaction tube divided into two part flows introduced in the axial direction of the reaction tube at different points in the catalyst charge the catalyst charge has at least two catalyst layers of different activity, wherein the activity of the first catalyst layer, in the flow direction of the reaction gas, is lower than the activity of the at least one other catalyst layer and in step a first part flow is introduced into the first catalyst layer and each further part flow is introduced past the first catalyst layer into the at least one further catalyst layer.

Abstract: A method for carrying out catalytic gas phase reactions including providing a tube bundle reactor which has a bundle of reaction tubes that are filled with a catalyst charge and are cooled by a heat transfer medium, conveying a reaction gas through the catalyst charge, the reaction gas flowing into each reaction tube divided into two part flows introduced in the axial direction of the reaction tube at different points in the catalyst charge the catalyst charge has at least two catalyst layers of different activity, wherein the activity of the first catalyst layer, in the flow direction of the reaction gas, is lower than the activity of the at least one other catalyst layer and in step a first part flow is introduced into the first catalyst layer and each further part flow is introduced past the first catalyst layer into the at least one further catalyst layer.

Abstract: A method for producing syngas includes a) splitting a hydrocarbon into carbon and hydrogen using a plasma to obtain a first product including carbon and hydrogen, b) mixing steam and carbon dioxide with at least a portion of the first product to produce a product stream, wherein a first portion of the carbon in the first product is converted in an endothermic reaction with steam to carbon monoxide and hydrogen and a second portion of the carbon in the first product is converted in another endothermic reaction with the carbon dioxide to carbon monoxide, and wherein heat is supplied to the endothermic reaction, and c) quenching the product stream of step b).

Abstract: A method for producing syngas includes a) splitting a hydrocarbon into carbon and hydrogen using a plasma to obtain a first product including carbon and hydrogen, b) mixing steam and carbon dioxide with at least a portion of the first product to produce a product stream, wherein a first portion of the carbon in the first product is converted in an endothermic reaction with steam to carbon monoxide and hydrogen and a second portion of the carbon in the first product is converted in another endothermic reaction with the carbon dioxide to carbon monoxide, and wherein heat is supplied to the endothermic reaction, and c) quenching the product stream of step b).