Device and method for testing catalysts with variable process pressure adjustment

摘要

The present invention relates to a catalysis apparatus for testing catalysts with variable process pressure adjustment over a pressure range from 0.01 millibar to 300 bar. The apparatus preferably has a plurality of reaction chambers (101, 102, . . . ) arranged in parallel, the reaction chamber outlet-side lines (211, 212, . . . ) of which are divided into two groups of sub-lines. One group of main lines (411, 412, . . . ) is operatively connected to a regulating valve (61), which is common to all of the main lines, and to an exhaust-air line (62), and the second group of secondary lines (311, 312, 313, . . . ) and switching valves (321, 322, . . . ) is operatively connected to an analysis unit (34). It is preferable for reaction chamber outlet-side lines (201, 202, . . . ) to be equipped in each case with a separate line for regulating fluid supply (211, 212, . . . ). In a preferred embodiment, the connecting points of the reaction chamber outlet-side lines (201, 202, . . . ) to the respective main lines (411, 412, . . . ) and secondary lines (311, 312, . . . ) have in each case one mixing vessel (301, 302, . . . ).

主权项

1. A catalysis apparatus, comprising:
a plurality of reaction chambers, wherein each reaction chamber is directly connected to a common reactant fluid supply line and comprises a corresponding reaction chamber outlet-side line, and a common reactant fluid supply connected to the common reactant fluid supply line, wherein each reaction chamber outlet-side line is operatively connected to a corresponding main line which in turn is connected to a corresponding secondary line, wherein each main line is operatively connected to a common regulating valve and a common exhaust-airline which both are located downstream of the plurality of the reaction chambers, wherein the common regulating valve and the common exhaust-airline are located downstream of the plurality of the reaction chamber, wherein the connection of each main line to the common regulating valve and the common exhaust-gas line is via the common exhaust-air line, and wherein the downstream side of the common regulating valve is in communication with the common exhaust-air line wherein each secondary line is operatively connected to a corresponding restrictor element and to a common analysis unit, wherein each restrictor element is a high-temperature regulating valve or comprises a cascade of regulating valves or high-temperature regulating valves, wherein the common regulating valve is a high-temperature regulating valve or comprises a cascade of regulating valves or high-temperature regulating valves, wherein a connecting line between each main line and corresponding secondary line is equipped with a cascaded series of a switching valve and of the restrictor element guiding fluids to a multi-port valve or the restrictor element and downstream of the multi-port valve or the restrictor element to the common analytical device, optionally, mixing vessel, and optionally, a vacuum pump, and the apparatus is suitable for testing solid state catalysts in a continuous process.