B01J2219/00074

Integrated indirect heat transfer process for the production of syngas and olefins by catalytic partial oxidation and cracking

A process for producing syngas and olefins includes the steps of feeding a catalytic partial oxidation (CPO) reactant mixture having oxygen, first hydrocarbons, and optionally steam to a CPO reaction zone having a CPO catalyst such that at least a portion of the CPO reactant mixture reacts, via an exothermic CPO reaction, to produce syngas having hydrogen (H.sub.2), carbon monoxide (CO), carbon dioxide (CO.sub.2), water, and unreacted first hydrocarbons. The syngas is characterized by a molar ratio M defined as (H.sub.2?CO.sub.2)/(CO+CO.sub.2). The method further includes feeding a cracking zone feed having second hydrocarbons to a cracking zone such that at least a portion of the second hydrocarbons undergoes an endothermic cracking reaction to produce a cracking zone product stream having olefins, hydrogen, and unreacted second hydrocarbons; and cooling the CPO reaction zone by heating the cracking zone while cooling the CPO reaction zone via heat transfer between the CPO reaction zone and the cracking zone.

Heat transfer baffle system and uses thereof
10435663 · 2019-10-08 · ·

This disclosure describes an improved heat transfer system for use in reaction vessels used in chemical and biological processes. In one embodiment, a heat transfer baffle comprising two sub-assemblies adjoined to one another is provided.

Photochemistry Device
20190270065 · 2019-09-05 ·

The invention consists of an assembly of a light (e.g., UV, visible, IR) source, a reaction vial holder and a photochemistry device that allows for conducting arrays of photochemical reaction conditions at room temperature with magnetic stirring. The photochemistry assembly is compatible with multiple reaction vial size holder.

Photochemistry device with a plurality of UV and visible light sources that carry out photocatalytic reactions
11992819 · 2024-05-28 · ·

A device includes an insulated reaction chamber, light sources above a stirring module, the light sources surrounding the reaction chamber, and holders containing reaction vessels, the holders configured to fit within the insulated reaction chamber in a manner that enables an even distribution of light between the reaction vessels.

OXIDATIVE DEHYDROGENATION OF ALKANES TO ALKENES, AND RELATED SYSTEM

A method of producing and separating an alkene, such as ethylene, from an alkane, such as ethane. The method comprises subjecting a feedstock comprising ethane to oxidative dehydrogenation to produce an ethylene stream. The ethylene stream is passed through a membrane separation unit to separate the ethylene from unreacted ethane in the ethylene stream. The ethylene is recovered from the membrane separation unit. A system configured to produce ethylene is also disclosed. The system comprises at least one ODH reactor, a heat management unit coupled to the at least one ODH reactor, and at least one membrane separation unit comprising at least one membrane. The ODH reactor is configured to convert ethane to ethylene. The heat management unit is configured to reduce a temperature of the ethylene. The at least one membrane is configured to separate the ethylene from unreacted ethane.

Unified cooling for multiple polyolefin polymerization reactors

A system and method for a polyolefin reactor temperature control system having a first reactor temperature control path, a second reactor temperature control path, and a shared temperature control path. The shared temperature control path is configured to combine and process coolant return streams, and to provide coolant supply for the first reactor temperature control path and the second reactor temperature control path.

Systems for producing solid carbon by reducing carbon oxides
10322832 · 2019-06-18 · ·

An apparatus for producing solid carbon and water by reducing carbon oxides with a reducing agent in the presence of a catalyst includes a reactor configured to receive reaction gas comprising at least one carbon oxide, at least one reducing agent, and water. The apparatus includes at least one mixing means configured to mix the reagents to form a combined feed, a first heat exchanger configured to heat the combined feed, at least one heater configured to further heat the combined feed, and a reaction vessel configured to receive the combined feed. The reaction vessel is configured to contain a catalyst, to maintain predetermined reaction conditions of temperature and pressure, and has an output configured to deliver a tail gas to the first heat exchanger. The system also includes a product separator, a water separation unit, and a product packaging unit.

Heat transfer baffle system and uses thereof
11999938 · 2024-06-04 · ·

This disclosure describes an improved heat transfer system for use in reaction vessels used in chemical and biological processes. In one embodiment, a heat transfer baffle comprising two sub-assemblies adjoined to one another is provided.

Ethylene-to-liquids systems and methods

Integrated systems are provided for the production of higher hydrocarbon compositions, for example liquid hydrocarbon compositions, from methane using an oxidative coupling of methane system to convert methane to ethylene, followed by conversion of ethylene to selectable higher hydrocarbon products. Integrated systems and processes are provided that process methane through to these higher hydrocarbon products.

METHOD FOR PRODUCING METHANOL AND APPARATUS FOR PRODUCING METHANOL

A method for producing methanol allows the temperature of the catalyst layer to fall within an appropriate temperature range, reduces energy used, and achieves higher carbon yield. In a synthesis loop including at least two synthesis steps and two separation steps, a first mixed gas is obtained by mixing the final unreacted gas with a fraction of the make-up gas, methanol is synthesized from the first mixed gas after preheating, a first unreacted gas is separated from the obtained first reaction mixture, a final mixed gas is obtained by finally mixing the unreacted gas and a fraction of the make-up gas, the final mixed gas after preheating is further increased in pressure and then methanol is synthesized, a final unreacted gas is separated from the obtained final reaction mixture, and the reaction temperature of the catalyst layer is controlled by the indirect heat exchange with pressurized boiling water.