Flow-type laboratory hydrogenation apparatus and laboratory hydrogenation process using the apparatus

A flow-type laboratory hydrogenation apparatus ( 100 ) comprises a reservoir ( 104 ), a feed pump ( 102 ), a mixing element ( 108 ) with two inlets and an outlet, a hydrogenation reactor ( 110 ) and a pressure-adjusting unit ( 112 ), all connected into a flow path. The apparatus ( 100 ) also comprises a hydrogen source ( 126 ) and a one-way valve ( 120 ) arranged between the hydrogen source ( 126 ) and the second inlet of the mixing element ( 108 ). The feed pump ( 102 ) is realized by a pump providing a constant volume rate. The reservoir ( 104 ) contains at least the solvent, as base solution, of the sample to be hydrogenated. The hydrogenation reactor ( 110 ) is connected into the flow path by means of detachable connections and is formed as a replaceable cartridge which contains a packing which increases the flow resistance and facilitates mixing of the liquid and gaseous components. The pressure-adjusting unit ( 112 ) is connected into the flow path after the hydrogenation reactor ( 110 ) and is provided with a regulation controlled electrically.