B01J2219/0015

GAS HEATER

A heating system and a process for heating a pressurized feed gas is provided, where the heat for the reaction is provided by resistance heating by means of electrical power.

THERMAL SLEEVE FOR HOT-WALL DEHYDROGENTATION REACTOR
20230024510 · 2023-01-26 ·

Systems, devices, and methods for transferring heat associated with an interface corresponding to a reactor. In some aspects, a system includes a sleeve having a body portion that defines a channel that extends from a first end to a second end of the body portion. The channel is configured to define a flow path that extends through a flange that is coupled to a pipe via a welding point a lip portion extending radially away from the first end and configured to be positioned between the flange and a reactor.

Hydrogen gas generator
09844765 · 2017-12-19 · ·

A hydrogen generator, a fuel pellet assembly for use in the hydrogen generator and a fuel cell system are disclosed. The hydrogen generator includes a housing having a lid pivotally connected to a base and a strip having a plurality of heaters on one side and a second plurality of heaters on the opposite side. A first cartridge is disposed on one side of the strip and a second cartridge is disposed on the opposite side. Each of the first and second cartridges has a plurality of fuel pellets, each including a hydrogen-containing material that will release hydrogen gas when heated. The heaters are selectively activated to heat one or more fuel pellets to initiate the release of hydrogen gas.

Catalyst device
11498045 · 2022-11-15 · ·

A catalyst device includes a heating element that generates heat when energized, a case that accommodates a catalyst support (heating element), an inflow pipe that draws exhaust gas into the case, and a connecting pipe that connects the inflow pipe and the case to each other. The case includes an end portion, which protrudes further in an upstream direction than an end face of the catalyst support. The inflow pipe is disposed inside the case. The catalyst device includes a triple-walled pipe structure, in which the connecting pipe overlaps with the end portion of the case and the inflow pipe in a covering manner.

Method for producing 2-chloro-3,3,3-trifluoropropene and facility for implementing same

The present invention relates to a process for producing 2-chloro-3,3,3-trifluoropropene, comprising the steps: i) providing a stream A comprising at least one chlorinated compound selected from the group consisting of 2,3-dichloro-1,1,1-trifluoropropane, 1,1,1,2,3-pentachloropropane, 1,1,2,3-tetrachloropropene and 2,3,3,3-tetrachloropropene; and ii) in an adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing said stream A into contact, in the presence or absence of a catalyst, with HF in order to produce a stream B comprising 2-chloro-3,3,3-trifluoropropene, characterized in that the temperature at the inlet of the fixed bed of said adiabatic reactor is between 300° C. and 400° C. and the longitudinal temperature difference between the inlet of the fixed bed and the outlet of the fixed bed of said reactor is less than 20° C.

Combined Thermal Energy Storage and Contaminant Removal
20210370223 · 2021-12-02 ·

A gas separation process in which the thermal storage of the heat in the gas is desired as well as the gas separation. This invention outlines a novel process and system whereby the thermal storage efficiency can be vastly increased by matching the gas sorption fronts and the thermal fronts to cause thermal front sharpening. The gas separation process and system include an adsorption vessel having an adsorbent in an amount of 10-40% and a thermal storage component in an amount of 50-90% by volume.

High pressure polyethylene product cooling

This disclosure relates to systems and processes for cooling polymer product mixtures manufactured at high pressure. The processes of the invention involve cooling and then subsequently reducing the pressure of the product mixture from the reactor. In the systems of the invention, a product cooler is located downstream of the high pressure reactor and upstream of a high pressure let down valve.

High-temperature heat shield assembly

A heat shield bladder includes first and second sheets of insulating material that form a bladder between the first and second sheets. At least one reflective foil is disposed within the bladder and a plurality of spacers are disposed within the bladder and positioned to space the at least one reflective foil from the first and second sheets of insulating material. Multiple reflective foils may be disposed within the bladder with spacers between each reflective foil. The heat shield bladder may be rolled into a tube shaped and used inside a pipe or formed into panels that may be used to line a vessel.

Chemical plant with a reforming section and a process for producing a chemical product

The invention relates to a chemical plant comprising a reforming section arranged to receive a feed gas comprising hydrocarbons and provide a synthesis gas, wherein the reforming section comprises: an electrically heated reforming reactor housing a first catalyst, said electrically heated reforming reactor being arranged for receiving said feed gas and generating a first synthesis gas; and an autothermal reforming reactor downstream said electrically heated reforming reactor, said autothermal reforming reactor housing a second catalyst, said autothermal reforming reactor being arranged for receiving said first synthesis gas and outputting a second synthesis gas, wherein said reforming section is arranged to output said output synthesis gas comprising said second synthesis gas. The invention also relates to a process for producing a chemical product from a feed gas comprising hydrocarbons, in a chemical plant according to the invention.

SYSTEMS AND METHODS FOR PRODUCING SULFUROUS ACID
20210363009 · 2021-11-25 · ·

A sulfuric acid generating system can include: a primary burn chamber; an exhaust pipe extending from the burn chamber at a first end to an opposite second end; a secondary burn chamber located between the first end and second end; and a primary venturi pump having a gas inlet coupled to an outlet at the second end of the exhaust pipe and having an aqueous media in let and having a fluid outlet. A method of producing sulfurous acid can include: providing sulfur to the primary burn chamber; burning a first portion of the sulfur in the primary burn chamber to form a first portion of sulfur dioxide; burning a second portion of the sulfur in the secondary burn chamber to form a second portion of sulfur dioxide; and mixing the first portion and second portion of sulfur dioxide with an aqueous composition so as to produce aqueous sulfurous acid.