The present invention relates to a method for conducting deracemization using Taylor flow and a device for conducting the same. With respect to the deracemization of a racemate, it may be efficiently conducted with improved rapidity when a racemate-containing fluid is placed under Taylor flow.

The present invention relates to a gas/liquid reactor for the oligomerization of gaseous ethylene, comprising a central pipe which delimits inside the reactor chamber a central zone allowing a descending flow and an outer zone allowing an ascending flow, thus making it possible to increase the time of travel of the injected gas bubbles in the liquid phase, without increasing the volume of the liquid phase and thus the volume of the reactor.

A support structure for a structured catalytic packing is disclosed. The support structure is in a fixed position relative to the reactor tube containing it. It supports catalyzed casings that are free to move relative to the support structure. The support structure and casings are inserted in the reactor tube such that the support structure is located proximate the longitudinal axis of the tube and the casings are located between the support structure and the reactor tube wall. The support structure comprises a central support tube or rod proximate to, and impervious or perforated discs perpendicular to, the longitudinal axis of the reactor tube, and may comprise spacers separating the discs.

A chemical reactor for use in a chemical process wherein a reactant and/or a target product is prone to produce undesirable byproducts through secondary reactions. The reactor is configured with a first flow passage for passing a flow of an overly reactive reactant; a permeable first wall for controlled flow of the overly reactive reactant into a second flow passage providing a flow of a second reactant; a permeable second wall having a catalyst supported on an inner surface thereof for catalyzing reaction of the reactants flowing in the second flow passage; the permeable second wall passing through a flow containing the target product; and a non-permeable third wall defining a third flow passage for exiting the product mixture. The reactor can be employed in selective oxidation, oxidative dehydrogenation, and alkylation processes to reduce the formation of byproducts.

An apparatus and method for treating liquid hydrocarbon fuel for increasing the gaseous content of the fuel includes a treatment unit for increasing the gaseous content of the fuel, the treatment unit including an inlet for receiving hydrocarbon fuel and an outlet for discharging a treated hydrocarbon fuel, and a plurality of concentric, spaced apart circular tubes of substantially equal lengths and of a non-magnetic material, the tubes defining a plurality of intermediary spaces, defining flow paths for the hydrocarbon fuel between the inlet to the outlet, and an innermost tube and an outermost tube are electrically connected to opposite poles of an electrical current generator configured for supplying a fluctuating current to thereby increase the gaseous content of the hydrocarbon fuel flowing through the intermediate tank.

A system including a catalytic heat exchanger reactor configured to carry out exothermic decomposition of stable chemical species possessing positive heats of formation. In an embodiment, the reactor is configured to enhance decomposition reaction rates by contacting gas entering with a hot surface. The catalytic heat exchanger is configured to receive N.sub.2O and create N.sub.2 and O.sub.2. A torch is created by fuel together with the hot N.sub.2 and the O.sub.2. In an embodiment, the reactor is configured to, after an initial period of time, to allow a rapid transfer of products of the decomposition reaction into an engine. In an embodiment, the reactor is configured to enhance decomposition reaction rates by contacting gas entering with a hot surface, and the catalytic heat exchanger reactor is configured to promote the atomization and vaporization of liquid and gelled fuels with gas. Other embodiments are also disclosed.

A chemical reactor including reformer tubes for reforming a first feed stream including a hydrocarbon gas and steam. The chemical reactor includes one or more reformer tubes arranged to being heated by an electrically driven heat source. The reformer tube includes a first inlet for feeding said first feed stream into a first reforming reaction zone of the reformer tube, and a feed conduit arranged to allow a second feed stream into a second reforming reaction zone of the reformer tube. The second reforming reaction zone is positioned downstream of the first reforming reaction zone. The feed conduit is configured so that the second feed stream is only in contact with catalyst material in the second reforming reaction zone. A process of producing CO rich synthesis gas at low S/C conditions.

There is provided a system for sludge treatment, which system is arranged in a container adapted to be transported by a truck and comprises: a sludge inlet for receiving a sludge; a reactor comprising an electrical heating arrangement for heat treatment of the sludge, which reactor is arranged downstream the sludge inlet; a flashing arrangement for cooling sludge treated in the reactor and providing at least one steam fraction, which flashing arrangement is arranged downstream the reactor; a steam routing arrangement capable of routing the at least one steam fraction from the flashing arrangement to preheat sludge transported from the sludge inlet to the reactor; and a separation arrangement for separating the cooled sludge from the flashing arrangement into a first fraction and a second fraction, wherein the suspended solids content is higher in the first fraction than in the second fraction. A corresponding method is also provided.

A system for recovery of heat from a cracked gas product includes a heat exchanger with one or more coiled tube bundles including a mandrel, tubes wound in concentric layers around the mandrel, and tube sheets. The tubes and tube sheets define one or more tube circuits. A cracked gas product is provided to the heat exchanger and flows on a shell side of the exchanger around an outside of the tubes without a substantial change in direction of the cracked gas product. A feed stream and one or more process streams flow inside the tubes, and more specifically, through separate tube circuits. The feed stream and process streams are heated by indirect heat transfer against the cracked gas product, which enables simultaneous heating of separate fluid streams without a convection section. Related methods for heat recovery are also disclosed.

A fuel reforming device includes a combustion part including a burner; an exhaust part configured to circulate an exhaust gas that is generated from the combustion part; and a reactor that is configured to generate hydrogen from a raw material by absorbing heat from the exhaust gas circulating in the exhaust part. The reactor includes a heat storage member that is configured to absorb the heat from the exhaust gas during operation of the combustion part, store the absorbed heat, and provide the absorbed heat to the reactor.