B01J8/025

Induction heated aromatization of higher hydrocarbons

A reactor system for aromatization of higher hydrocarbons within a given temperature range T upon bringing a reactant stream including higher hydrocarbons into contact with a catalytic mixture. The reactor system includes a reactor unit arranged to accommodate a catalytic mixture. The catalytic mixture includes a catalyst material and a ferromagnetic material. The catalyst material is arranged to catalyze the aromatization of higher hydrocarbons. The ferromagnetic material is ferromagnetic at least at temperatures up to an upper limit of the given temperature range T, where the temperature range T is the range from between about 400° C. and about 700° C. or a subrange thereof. The reactor system also includes an induction coil arranged to be powered by a power source supplying alternating current, whereby the ferromagnetic material is heated to a temperature within the temperature range T by means of an alternating magnetic field.

Methods for manufacturing carbon nanotube (CNT) hybrid sheet and yarn by gas phase assembly, and CNT-hybrid materials

Systems and methods for the gas-phase production of carbon nanotube (CNT)-nanoparticle (NP) hybrid materials in a flow-through pyrolytic reactor specially adapted to integrate nanoparticles (NP) into CNT material at the nanoscale level, and the second generation CNT-NP hybrid materials produced thereby.

MICRO-INTERFACE STRENGTHENING REACTION SYSTEM AND METHOD FOR PREPARING SHIP FUEL BY MEANS OF HEAVY OIL HYDROGENATION

The present invention relates to a micro-interface strengthening reaction system and method for heavy oil hydrogenation preparation of ship fuel, including a liquid phase feed unit, a gas phase feed unit, a micro-interface generator, a fixed-bed reactor and a separation tank. The present invention may reduce the pressure during the reaction by 10-80% while ensuring the efficiency of the reaction by breaking the gas to form micro-sized micro-bubbles and making the micro-bubbles mix with heavy oil to form an emulsion to increase the area between the gas and the liquid phase and to achieve the effect of enhancing mass transfer in a lower preset range. And, the present invention greatly enhances the mass transfer, so that the gas-liquid ratio can be greatly reduced. Also, the method of the present invention has low process severity, high production safety, low product cost per ton, and strong market competitiveness.

Dynamically adjustable chemical processing column

A chemical processing column that includes a column base and an assembly for maintaining plug flow in the column base. The column base is adapted to contain a bed of media. The assembly includes a sleeve removably coupled to the column base, a plate coupled to the plate, and a piston at least partially disposed within the sleeve. The assembly is dynamically movable relative to the column base to adjust a position of the piston relative to the column base to compensate for a change in volume occupied by the bed of media.

Scale collection device for downflow reactors
11224849 · 2022-01-18 · ·

The invention involves a scale collection device that is located within downflow reactor head for removing solids from feed streams to increase reactor operating cycle time without impact on effective reactor space for catalyst loading and reactor pressure drop. More particularly, a scale collection device is in an upper portion of a reactor vessel above a rough liquid distribution tray and a vapor-liquid distribution tray.

PROCESS FOR RECOVERY AND SEPARATION OF BROMINE AND WATER FROM OXIDATION OF HYDROGEN BROMIDE
20220009775 · 2022-01-13 ·

A hydrogen bromide (HBr) oxidation/quench system includes a heat exchanger reactor and an adiabatic catalytic reactor in fluid communication with the heat exchanger reactor. The system also includes a quench vessel, the quench vessel in fluid communication with the adiabatic catalytic reactor. The quench vessel has a flange. In addition, the system includes a joined three phase separator and absorber column, wherein both the three phase separator and the absorber column are in fluid communication with the quench vessel and an aqueous stripping column in fluid communication the heat exchanger reactor and the absorber column.

Process intensification for reverse flow reactors

Systems and methods are provided for improving thermal management and/or efficiency of reaction systems including a reverse flow reactor for performance of at least one endothermic reaction and at least one supplemental exothermic reaction. The supplemental exothermic reaction can be performed in the recuperation zone of the reverse flow reactor system. By integrating the supplemental exothermic reaction into the recuperation zone, the heat generated from the supplemental exothermic reaction can be absorbed by heat transfer surfaces in the recuperation zone. The adsorbed heat can then be used to heat at least one of the fuel and the oxidant for the combustion reaction performed during regeneration, thus reducing the amount of combustion that is needed to achieve a desired temperature profile at the end of the regeneration step.

Corrosion-protected reformer tube with internal heat exchange

A reformer tube for producing synthesis gas by steam reforming of hydrocarbon-containing input gases is proposed where an outer shell tube is divided by means of a separating tray into the reaction chamber and an exit chamber, a dumped bed of a steam-reforming-active, solid catalyst is arranged in the reaction chamber, at least one heat exchanger tube is arranged inside the reaction chamber and inside the dumped catalyst bed whose entry end is in fluid connection with the catalyst bed and whose exit end is in fluid connection with the exit chamber, wherein gas-contacted parts of the reformer tube, in particular the at least one heat exchanger tube, are fabricated from a nickel-based alloy and coated on their inside with an aluminum diffusion layer.

Process and reactor comprising a plurality of catalyst receptacles

A reactor having a shell comprising one or more reactor tubes located within the shell, said reactor tube or tubes comprising a plurality of catalyst receptacles containing catalyst; means for providing a heat transfer fluid to the reactor shell such that the heat transfer fluid contacts the tube or tubes; an inlet for providing reactants to the reactor tubes; and an outlet for recovering products from the reactor tubes; wherein the plurality of catalyst receptacles containing catalyst within a tube comprises catalyst receptacles containing catalyst of at least two configurations.

GAS-PROCESSING SYSTEMS AND METHODS

Described are gas-processing systems that include a media vessel and a pre-heater, that are used to process a gas by flowing the gas to contact media contained in the media vessel, such as a catalyst or adsorbent material, and related methods.