C01B2203/0216

Chemical looping syngas production from carbonaceous fuels

A reactor configuration is proposed for selectively converting gaseous, liquid or solid fuels to a syngas specification which is flexible in terms of H.sub.2/CO ratio. This reactor and system configuration can be used with a specific oxygen carrier to hydro-carbon fuel molar ratio, a specific range of operating temperatures and pressures, and a co-current downward moving bed system. The concept of a CO.sub.2 stream injected in-conjunction with the specified operating parameters for a moving bed reducer is claimed, wherein the injection location in the reactor system is flexible for both steam and CO.sub.2 such that, carbon efficiency of the system is maximized.

Process for the co-production of methanol and ammonia in parallel
11124424 · 2021-09-21 · ·

A process for co-production of methanol and ammonia in parallel based on autothermal reforming with oxygen enriched air from electrolysis of water and separation of air and preparation of ammonia with hydrogen from the electrolysis of water and nitrogen from the separation of air.

Inductive bath plasma cupola

A method of generating syngas as a primary product from renewable feedstock, fossil fuels, or hazardous waste with the use of a cupola. The cupola operates selectably on inductive heat alone, chemically assisted heat, or plasma assisted heat. Additionally, the operation of the cupola is augmented by the use of direct acting carbon or graphite rods that carry electrical current for additional heat generation into the metal bath that is influenced by the inductive element. The method includes the steps of providing a cupola for containing a metal bath; and operating an inductive element to react with the metal bath. Feedstock in the form of a combination of fossil fuel, a hazardous waste, and a hazardous material is supplied to the cupola. A plasma torch operates on the metal bath selectably directly and indirectly. Steam, air, oxygen enriched air, and oxygen are supplied in selectable combinations.

RENEWABLE ELECTRICITY CONVERSION OF LIQUID FUELS FROM HYDROCARBON FEEDSTOCKS
20210207037 · 2021-07-08 · ·

The present invention includes a method for converting renewable energy source electricity and a hydrocarbon feedstock into a liquid fuel by providing a source of renewable electrical energy in communication with a synthesis gas generation unit and an air separation unit. Oxygen from the air separation unit and a hydrocarbon feedstock is provided to the synthesis gas generation unit, thereby causing partial oxidation reactions in the synthesis gas generation unit in a process that converts the hydrocarbon feedstock into synthesis gas. The synthesis gas is then converted into a liquid fuel.

METHOD FOR PRODUCING RENEWABLE FUELS
20210221679 · 2021-07-22 ·

According to the present invention, organic material is converted to biogas through anaerobic digestion and the biogas is purified to yield a combustible fluid feedstock comprising methane. A fuel production facility utilizes or arranges to utilize combustible fluid feedstock to generate renewable hydrogen that is used to hydrogenate crude oil derived hydrocarbons in a process to make transportation or heating fuel. The renewable hydrogen is combined with crude oil derived hydrocarbons that have been desulfurized under conditions to hydrogenate the liquid hydrocarbon with the renewable hydrogen or alternatively, the renewable hydrogen can be added to a reactor operated so as to simultaneously desulfurize and hydrogenate the hydrocarbons. The present invention enables a party to receive a renewable fuel credit for the transportation or heating fuel.

CARBON DIOXIDE CAPTURING STEAM METHANE REFORMER
20210221693 · 2021-07-22 ·

An integrated system for carbon dioxide capture includes a steam methane reformer and a CO.sub.2 pump that comprises an anode and a cathode. The cathode is configured to output a first exhaust stream including oxygen and carbon dioxide and the anode is configured to receive a reformed gas from the steam methane reformer and to output a second exhaust stream that includes greater than 95% hydrogen.

Method for producing synthesis gas

A method for producing synthesis gas may involve introducing a hydrocarbon-containing coke-oven gas and a carbon dioxide-containing converter gas into a first reaction zone where hydrogen present in the hydrocarbon-containing coke-oven gas reacts at least partly with carbon dioxide to form water, which reacts thermally with hydrocarbon to form synthesis gas containing carbon monoxide and hydrogen. The method may further involve introducing an oxygen-containing gas in a second reaction zone, and using the oxygen-containing gas and some hydrogen from the first reaction zone to produce thermal energy. Still further, the method may involve supplying the thermal energy produced in the second reaction zone to the first reaction zone.

Two-stage gasifier and gasification process with feedstock flexibility

A two-stage gasification reactor may include a reactor lower section and a reactor upper section. The reactor lower section may include (a) a lower reactor body, (b) two primary feed nozzles, configured to introduce at least one of a dry feedstock or a first slurried feedstock and located on opposing terminal ends of the lower reactor body, and (c) at least two secondary feed nozzles, configured to introduce a liquid hydrocarbon feedstock, located on the lower reactor body. The reactor upper section may include (a) an upper reactor body, (b) at least one upper feed nozzle, configured to introduce at least one of a dry feedstock or a first slurried feedstock, located on the upper reactor body, and (c) an outlet.

Method and apparatus for adiabatic calcium looping

A method and apparatus for decarbonizing gases using pressure swing in a first and second pressure vessel that each comprise a fixed bed sorbent. Syngas and steam are received in the first pressure vessel. A carbonation reaction is performed in the first pressure vessel that reacts carbonaceous species in the received syngas with the received steam to produce carbon dioxide and hydrogen. Decarbonated syngas is exhausted from first pressure vessel. A calcination reaction is performed in the second pressure vessel to produce carbon dioxide. A vacuum is provided to the second pressure vessel that causes carbon dioxide to exhaust from the second pressurized vessel at a pressure that substantially follows the decomposition pressure line.

PLASMA-ASSISTED METHOD AND SYSTEM FOR TREATING RAW SYNGAS COMPRISING TARS
20210198588 · 2021-07-01 ·

This disclosure provides a system and method for conversion of raw syngas and tars into refined syngas, while optionally minimizing the parasitic losses of the process and maximizing the usable energy density of the product syngas. The system includes a reactor including a refining chamber for refining syngas comprising one or more inlets configured to promote at least two flow zones: a central zone where syngas and air/process additives flow in a swirling pattern for mixing and combustion in the high temperature central zone; at least one peripheral zone within the reactor which forms a boundary layer of a buffering flow along the reactor walls, (b) plasma torches that inject plasma into the central zone, and (c) air injection patterns that create a recirculation zone to promotes mixing between the high temperature products at the core reaction zone of the vessel and the buffering layer, wherein in the central zone, syngas and air/process additives mixture are ignited in close proximity to the plasma arc, coming into contact with each other, concurrently, at the entrance to the reaction chamber and method of using the system.