Didier Engineering Gmbh

Thyssengas Gmbh

Werner Lommerzheim

Claus Flockenhaus

Erich Hackler

In methanizing CO and H.sub.2 containing charge gases, the charge gas is passed upwardly through a vertically extending fluidized bed reactor flowing, in turn, through a fluidized bed zone, a dust bed zone and a separation zone. From the separation zone, the gas is conveyed out of the reactor to a point of use. Coolant tubes are positioned in the reactor passing vertically through the fluidized bed zone, the dust bed zone and the separation zone for removing the heat generated in the reaction. An evaporable coolant, preferably water, is circulated through the coolant tubes. In a separate steam drum, the vapor pressure of the coolant is set for maintaining constant the temperature of the vaporizing coolant.

Method of and apparatus for adjusting and maintaining constant the

A method for the production of high-caloric content gases is disclosed wherein feed gases containing CO and H.sub.2 are passed through at least two consecutive catalytic fluidized bed stages having cooling elements wherein, the feed gases being introduced to the first stage under pressure and to the subsequent stages under a pressure which is less than the pressure of the next preceding stage, and the gas produced from each preceding stage is fed to the next stage as a diluting gas. As a result of using the method of the present invention, one can avoid the necessity of compression of the feed gases in the subsequent reaction stages, thereby decreasing the cost as well as the technical difficulties encountered in the process.

Method for the preparation of high-caloric gases, particularly methane,

A method of catalytic conversion of feed gases, particularly of a low-sulphur gas mixture rich in carbon monoxide and hydrogen, into a product gas mixture containing methane and/or higher hydrocarbons under high pressure includes the step of removing heat of reaction from the catalytic conversion from a reaction zone by feeding both water and steam to form a cooling medium through a pipe coil in the reaction zone. This forms superheated steam in the pipe coil and the superheated steam is then converted into another form of energy, for example in a turbo-generator. Preferably the reaction zone is a fluidized bed. For carrying out this method a reactor is used, which is preferably a fluidized bed reactor and in this reactor the piping system forming the superheater is disposed in the lower part of the reaction zone. The superheater is connected to a feedwater line and to a steam inlet line and a steam turbine is connected to a steam output line leading from the superheater.

Method of and apparatus for catalytic conversion of gases

A method of catalytic conversion of feed gases, particularly of a low-sulphur gas mixture rich in carbon monoxide and hydrogen, into a product gas mixture containing methane and/or higher hydrocarbons under high pressure includes the step of removing heat of reaction from the catalytic conversion from a reaction zone by feeding both water and steam to form a cooling medium through a pipe coil in the reaction zone. This forms superheated steam in the pipe coil and the superheated steam is then converted into another form of energy, for example in a turbo-generator. Preferably the reaction zone is a fluidized bed. The apparatus for carrying out this method comprises a reactor, which is preferably a fluidized bed reactor and in this reactor the piping system forming the superheater is disposed in the lower part of the reaction zone. The superheater is connected to a feedwater line and to a steam inlet line and a steam turbine is connected to a steam output line leading from the superheater.

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Essen, Germany

Werner Lommerzheim