A process (and a related system) for collecting samples of a polymerization catalyst or of a catalyst-containing polymer from an operation unit, having an upper end and a lower end, of a polymerization plant, including the steps of: a) extracting a prefixed amount of product from the lower end of the operation unit through a discharge valve; b) directing the product towards a filtering unit through an inlet valve; c) flushing an inert gas through the filtering unit; d) outgassing the filtering unit, through the outlet valve; and e) displacing the filtering unit, for collecting the sample.

This invention provides for a self-sustaining fluidized bed reactor after the wave rotor reactor in which the reactor may be a fluidized bed reactor, a self-catalytic system, and may include an arrangement for the continuous removal and/or replenishment of particles in the fluidized bed, as well as possibly including a heater for heating the walls and/or a way for managing buildup of solids on the walls of the reactor.

A method of assistance and documentation of a filling of tubular reactors comprising recording of filling materials and fill levels of filling materials and documenting the filling materials used, fill levels and results of a catalysis process of tubular reactors produced in such a way.

A catalytic reactor comprises a floating particle catcher unit and a particle catching surface which extracts particles from the fluid flow stream above the catalyst bed whereby at least a part of the particles settles on the particle catching surface instead of clogging the catalyst bed.

A method for analyzing a catalyst in a catalytic reactor that operates under non-isothermal conditions includes the steps of: positioning a catalyst basket within a catalyst bed within the catalytic reactor, the catalyst basket containing catalyst material the forms the catalyst bed; operating the catalytic reactor, the catalyst basket having dimensions such that a temperature difference (ΔT) along an axial direction (height) of the catalyst basket is non-isothermal; and analyzing the catalyst material contained within the catalyst basket. The temperature difference (ΔT) is, in one embodiment, within a range of 1° C. to 40° C. and preferably, within a range of 5° C. to 25° C.

A distance measuring device includes a measuring member holding a length measuring instrument and at least one rail member (base member) on which the measuring member is movably disposed. When a straight line parallel to a direction in which the measuring member disposed on the base member moves is defined as a reference line, an angle formed by a straight line parallel to an axial length direction of a reaction tube and the reference line, which are on an identical plane, is constant for the plurality of reaction tubes disposed side by side along the reference line. A measurement direction of the length measuring instrument is parallel to the axial length direction of the reaction tube in a state where the measuring member is disposed on the base member. The measuring member is disposed on the base member to be able to sequentially move.

The present invention relates to a fluidized bed reactor. The fluidized bed reactor includes: a catalyst bed; a dust collector provided in an upper portion of the fluidized bed reactor collecting catalyst particles in a gas discharged toward the upper portion of the fluidized bed reactor; and a filter portion provided in a region between the dust collector and the catalyst bed, wherein the filter portion includes a filtering screen and a plurality of conical caps coupled to the filtering screen.

A regenerator vessel for adsorbing halogen-containing material from a regenerator vent gas stream has a plurality of catalyst nozzles disposed at a top portion of the regenerator vessel. A first gas outlet is associated with a chlorination zone, and a second gas outlet associated with a combustion zone. A drying zone is in fluid communication with an air heater and the drying zone located in a bottom portion of the regenerator vessel. The first gas outlet is configured to withdraw a first gas stream from the chlorination zone and the second gas outlet is configured to withdraw a second gas stream from the combustion zone. The top portion of the regenerator vessel has an adsorption zone having a vent gas inlet port, a vent gas outlet port, and a portion of an annular catalyst bed.

The present invention relates to a fluidized bed reactor. The fluidized bed reactor includes: a catalyst bed; a dust collector provided in an upper portion of the fluidized bed reactor collecting catalyst particles in a gas discharged toward the upper portion of the fluidized bed reactor; and a filter portion provided in a region between the dust collector and the catalyst bed, wherein the filter portion includes a filtering screen and a plurality of conical caps coupled to the filtering screen.

The invention relates to an integrated process for assessing one or more properties of a catalyst. In the method, a standard chemical reactor or reactors is/are provided, and a bypass means is also provided, to transport a sample of whatever is added to the industrial reactor, to the test reactor. Both gases and liquids are transferred to the test reactor.