A process and system for the generation gaseous fuels, the process comprising gasifying a carbonaceous fuel with vitiated air in the presence of lime and water to provide calcium carbonate, a gaseous fuel and heat; the system comprising a reactor for the gasification of the carbonaceous fuel with vitiated air in the presence of lime and water, and a heat exchanger to extract heat from the gaseous fuel. Use in the generation of gaseous fuels, in energy distribution and in grid energy firming.

A plant and a method for the production of hydrogen and bicarbonate. The plant includes a gasifier, a reformer, a direct contact exchanger and an apparatus for the production of bicarbonate. The plant is suitable for receiving fuel, oxygen, water, carbonate, brine at the inlet and for producing hydrogen, bicarbonate and calcium chloride at the outlet. The plant uses a self-cleaning direct contact heat exchanger to cool the syngas downstream of the reformer and to produce the superheated steam that feeds the gasifier: this heat exchanger allows the production of hydrogen at low costs and in modular plants.

A method of producing liquid fuel and/or chemicals from a carbonaceous material entails combusting a conditioned syngas in pulse combustion heat exchangers of a steam reformer to help convert carbonaceous material into first reactor product gas which includes carbon monoxide, hydrogen, carbon dioxide and other gases. A portion of the first reactor product gas is transferred to a hydrogen reformer into which additional conditioned syngas is added and a reaction carried out to produce an improved syngas. The improved syngas is then subject to one or more gas clean-up steps to form a new conditioned syngas. A portion of the new conditioned syngas is recycled to be used as the conditioned syngas in the pulse combustion heat exchangers and in the hydrocarbon reformer. A system for carrying out the method include, a steam reformer, a hydrocarbon reformer, first and second gas-cleanup systems, a synthesis system and an upgrading system.

Provided are a method for producing an organic substance and a device for producing an organic substance that are capable of efficiently cooling a synthesis gas and of converting the synthesis gas to an organic substance at a high conversion efficiency using a microbial catalyst. A thermally decomposed gas purification/cooling device including a gasification furnace 10 that gasifies waste to generate a thermally decomposed gas, a cyclone 11 through which the thermally decomposed gas discharged from the gasification furnace 10 is passed to recover a dust component in the thermally decomposed gas, and a heat exchanger 20 through which the thermally decomposed gas that has passed through the cyclone 11 is passed to be cooled.

A grid-energy firming process and a grid energy firming system. The process comprises alternating between a process for generating electrical energy, and a process for generating gaseous fuels in response to the energy demands of a grid energy system. The system comprises a reactor containing a carbonaceous fuel, and a heat exchanger to extract heat from the flue gas and/or gaseous fuel.

The present invention provides a process and apparatus for converting feedstock comprising biomass and/or carbon-containing solid waste material to synthesis gas. The process comprises supplying the feedstock to a gasifier comprising a fluidized bed zone and a post-gasification zone and contacting the feedstock with a gasification agent at a plurality of different operating temperatures based on the ash softening temperature of the feedstock and finally recovering the synthesis gas. The apparatus is configured to perform the process and comprises a plurality of nozzles arranged at an acute angle relative to a horizontal plane of the gasifier.

An ASG system for polygeneration with CC includes a devolatilizer that pyrolyzes solid fuel to produce char and gases. A burner adds exothermic heat by high-pressure sub-stoichiometric combustion, a mixing pot causes turbulent flow of the gases to heat received solid fuel, and a riser micronizes resulting friable char. A devolatilizer cyclone separates the micronized char by weight providing micronized char, steam and gases to a gasifier feed and oversized char to the mixing pot. An indirect fluid bed gasifier combustion loop includes a gasifier coupled to the gasifier feed, a steam input to provide oxygen for gasification and to facilitate sand-char separation, and an output for providing syngas. A burner provides POC to a mixing pot which provides hot sand with POC to a POC cyclone via a riser, where the POC cyclone separates sand and POC by weight and provides POC and sand for steam-carbon reaction.

The present disclosure relates to a modified gasification system (100) for producing syngas from waste materials having moisture content. The gasification system (100) has crossflow arrangement for circulation of gases across the solids present and has well-defined drying (120), pyrolysis (130) and gasification zones (140). A burner (150) of the gasification system (100) situated downstream of the pyrolysis zone (130) is configured to receive the pyrolysis product and a secondary oxidizer to produce a burner output gas and to supply the burner output gas to the pyrolysis zone (130) and gasification zone (140). The gasification zone (140) is additionally configured to receive a primary oxidizer gas and a tertiary oxidizer gas to aid gasification. The present disclosure overcomes limitation of the prior-arts and provides means of isolating the drying, pyrolysis, and gasification zones and eliminates tar formation during gasification. The gasification system (100) disclosed herein is a fully scalable equipment.

The invention is directed to a process to prepare an activated carbon product and a gaseous fraction comprising hydrogen, carbon monoxide and a mixture of gaseous organic compounds from a solid torrefied biomass feed comprising the following steps. (i) subjecting the solid biomass feed to a pyrolysis reaction thereby obtaining a gaseous fraction comprising hydrogen, carbon monoxide and a mixture of gaseous organic compounds and a solid fraction comprising of char particles. (ii) separating the solids fraction from the gaseous fraction. and (iii) activating the char particles as obtained in step (ii) to obtain the activated carbon product.

A system for gasifying biomass is disclosed. The system comprises a water storage tank, a water pump, a heat exchanger, a plasma torch heater, a gasifier, an ash cooler, a spray tower, a dust collector, a deacidification tower, and a desiccator. The water storage tank is connected to the water inlet of the heat exchanger; the vapor outlet of the heat exchanger is connected to the vapor inlet of the plasma torch heater; the vapor outlet of the plasma torch heater is connected to the vapor nozzle of the gasifier; the ash outlet of the gasifier is connected to the ash inlet of the ash cooler; the gas outlet of the gasifier is connected to the gas inlet of the spray tower; and the gas outlet of the spray tower is connected to the gas inlet of the heat exchanger.