Patent classifications
C10J2300/0993
Pyrolysis apparatus and pyrolysis method
The pyrolysis apparatus includes a fluid bed furnace (1), a first partition wall (11) dividing inside of the fluid bed furnace (1) into a pyrolysis chamber (4) and a combustion chamber (5), a second partition wall (12) dividing the combustion chamber (5) into a main combustion chamber (6) and a settling combustion chamber (7), a first gas diffuser (15), a second gas diffuser (25), and a third gas diffuser (35) configured to supply a first fluidizing gas, a second fluidizing gas, and a third fluidizing gas to the pyrolysis chamber (4), the main combustion chamber (6), and the settling combustion chamber (7), respectively, a first raw-material supply device (71) configured to supply a first raw material to the pyrolysis chamber (4) with a first supply amount, a second raw-material supply device (72) configured to supply a second raw material to the pyrolysis chamber (4) with a second supply amount, and an operation controller (200) configured to independently control operations of the first raw-material supply device (71) and the second raw-material supply device (72).
Process of treating carbonaceous material and apparatus therefor
A process for processing carbonaceous material includes delivering a carbonaceous material to a reactor; delivering a catalyst to the reactor; processing the carbonaceous material at a relatively low temperature within the reactor to decompose the carbonaceous material to base compounds.
All-Steam Gasification with Carbon Capture
A carbonaceous fuel gasification system for all-steam gasification with carbon capture includes a micronized char preparation system comprising a devolatilizer that receives solid carbonaceous fuel, hydrogen, oxygen, and fluidizing steam and produces micronized char, steam, volatiles, hydrogen, and volatiles at outlets. An indirect gasifier includes a vessel comprising a gasification chamber that receives the micronized char, a conveying fluid, and steam. The gasification chamber produces syngas, ash, and steam at one or more outlets. A combustion chamber receives a mixture of hydrogen and oxidant and burns the mixture of hydrogen and oxidant to provide heat for gasification and for heating incoming flows, thereby generating steam and nitrogen. The heat for gasification is transferred from the combustion chamber to the gasification chamber by circulating refractory sand. The system of the present teaching produces nitrogen free high hydrogen syngas for applications such as IGCC with CCS, CTL, and Polygeneration plants.
Metal ferrite oxygen carriers for chemical looping combustion of solid fuels
The disclosure provides a metal ferrite oxygen carrier for the chemical looping combustion of solid carbonaceous fuels, such as coal, coke, coal and biomass char, and the like. The metal ferrite oxygen carrier comprises MFe.sub.xO.sub.y on an inert support, where MFe.sub.xO.sub.y is a chemical composition and M is one of Mg, Ca, Sr, Ba, Co, Mn, and combinations thereof. For example, MFe.sub.xO.sub.y may be one of MgFe.sub.2O.sub.4, CaFe.sub.2O.sub.4, SrFe.sub.2O.sub.4, BaFe.sub.2O.sub.4, CoFe.sub.2O.sub.4, MnFeO.sub.3, and combinations thereof. The MFe.sub.xO.sub.y is supported on an inert support. The inert support disperses the MFe.sub.xO.sub.y oxides to avoid agglomeration and improve performance stability. In an embodiment, the inert support comprises from about 5 wt. % to about 60 wt. % of the metal ferrite oxygen carrier and the MFe.sub.xO.sub.y comprises at least 30 wt. % of the metal ferrite oxygen carrier. The metal ferrite oxygen carriers disclosed display improved reduction rates over Fe.sub.2O.sub.3, and improved oxidation rates over CuO.
GRAVITY-FED HOUSING FOR GASIFICATION SYSTEM
A gravity-fed housing for use in a gasification system is disclosed. The gravity-fed housing has a receiving end panel that forms a receive opening in a first plane. The receive opening is configured to receive a first plurality of heat carriers via gravity. The gravity-fed housing includes a siding connected to the receiving end panel. The siding forms a chamber and a discharge opening in a second plane that is parallel to the first plane. The discharge opening is offset with respect to the receive opening such that a line perpendicular to the receiving end panel that extends through a center point of the receive opening does not intersect a center point of the second opening. The siding includes a first panel that comprises a guiding surface that intersects the line and is angled toward the discharge opening.
Biomass gasifier device
A gasification apparatus can produce hydrogen-containing gas from biomass with high thermal efficiency at low costs without severe trouble caused by tar generated by pyrolyzing the biomass, while maximizing the gasification rate of the tar. The gasification apparatus includes a biomass pyrolyzing zone for heating biomass in a non-oxidizing atmosphere, and a gas reforming zone for heating the resulting pyrolyzed gas in the presence of steam. A plurality of preheated granules and/or lumps is moved from the gas reforming zone to the biomass pyrolyzing zone, the apparatus reforms the gas generated by pyrolyzing the biomass and pyrolyzes the biomass, using the heat of the granules and/or lumps. The biomass pyrolyzing zone and the gas reforming zone is provided in a single vessel, and at least one partitioning plate is provided between the biomass pyrolyzing zone and the gas reforming zone.
METHOD OF PRODUCING SYNGAS FROM BIOMASS UTILIZING TAIL GAS FOR TAR REMOVAL
A system and method for the generation of syngas from the gasification of biomass is disclosed herein. Some aspects of the disclosure are directed to a biomass gasification method that employs a tail gas by-product as a fuel.
System and method for liquid fuel production from carbonaceous materials using recycled conditioned syngas
A system for using carbonaceous material includes a steam reformer, a hydrocarbon reformer, and at least one gas-cleanup system. Also described are methods of producing liquid fuel and/or chemicals from carbonaceous material.
METHOD OF PRODUCING LIQUID FUEL FROM CARBONACEOUS FEEDSTOCK THROUGH GASIFICATION AND RECYCLING OF DOWNSTREAM PRODUCTS
A feedstock delivery system transfers a carbonaceous material, such as municipal solid waste, into a product gas generation system. The feedstock delivery system includes a splitter for splitting bulk carbonaceous material into a plurality of carbonaceous material streams. Each stream is processed using a weighing system for gauging the quantity of carbonaceous material, a densification system for forming plugs of carbonaceous material, a de-densification system for breaking up the plugs of carbonaceous material, and a gas and carbonaceous material mixing system for forming a carbonaceous material and gas mixture. A pressure of the mixing gas is reduced prior to mixing with the carbonaceous material, and the carbonaceous material to gas weight ratio is monitored. A transport assembly conveys the carbonaceous material and gas mixture to a first reactor where at least the carbonaceous material within the mixture is subject to thermochemical reactions to form the product gas.
COAXIALLY STACKED COAXIAL FUEL GASIFIER
A coaxially integrated gasification furnace is described. The coaxially integrated gasification furnace includes a gasification chamber fluidly connected to a gasification cyclone separator. The coaxially integrated gasification system also includes a char combustion chamber fluidly connected to a combustion cyclone separator, in which the char combustion chamber is located within 2024/182640 the gasification chamber. A settling char combustion chamber is located near the char combustion chamber and is separated by a first partition and a second partition from the gasification chamber and the combustion chamber. At least a temperature control element is disposed on the settling isolation chamber.
WO