A method for converting carbonaceous raw materials and in particular biomass into hydrogen, includes the steps of: gasification of the carbon-containing raw materials in a gasifier, wherein heated water vapour is introduced into the gasifier and used for gasification; and cleaning of the hydrogen-containing synthesis gas produced in the gasification, wherein the gasification is an allothermal gasification and the heated water vapour is used both as gasification agent and as heat carrier for the gasification, wherein energy not used for H2 production is at least partially reused for the production and/or superheating of water vapour.

A method and a process arrangement for producing hydrocarbons from plastic-based raw material by a gasification in an integrated process The integrated process includes a gasification unit for forming a gasification product, a steam cracking unit for forming a cracking product and a recovery unit for recovering hydrocarbons. The plastic-based raw material is gasified with steam in the gasification unit having at least one fluidized bed gasifier and the gasification product is formed, the gasification product is cooled at least partly for slowing and/or stopping the chemical reactions after the gasification, The gasification product is supplied to a quench tower of the gasification unit in which the gasification product is treated and condensable components are removed from the gasification product forming a treated gasification product, and the treated gasification product and the cracking product of the steam cracking unit are supplied to the recovery unit for separating and recovering hydrocarbons.

The present invention relates to a method for treating synthesis gas, from an indirect or direct gasifier; the method including steps for: allowing the gas within a predetermined entry temperature range to flow into a first heat exchanger, allowing the gas to flow through the first heat exchanger while exchanging heat to a first medium, allowing the gas to transfer from the first heat exchanger to a subsequent last heat exchanger, allowing the gas to flow though the last heat exchanger while exchanging heat to a last medium, and allowing the gas to exit the last heat exchanger for being available to a further treatment, such as a cleaning treatment, within a predetermined exit temperature range, preferably below an ash or mineral solidification point. Furthermore, the present invention relates to a cooling system for cooling of synthesis gas and to a gasification system.

A system for producing biocoal and biochar includes at least one rotary compression unit (RCU) having a barrel, a compression screw housed within the barrel, a feed for receiving biomass and at least one exit for releasing biochar and gasses formed in the RCU. A first exit stream is produced that includes biochar and a portion of the remaining gasses, and a second exit stream is produced that includes biocoal. A gas crossover is provided that connects the first and second exit stream having a mechanism for transporting gasses from the first exit stream to the second exit stream thereby condensing a portion of the remaining gasses into the biocoal. In one form two RCUs are included connected to two condensers.

A method for purifying and cooling biomass syngas. The method includes: 1) cooling biomass syngas to 520-580 C., and recycling waste heat to yield a first steam; then subjecting the biomass syngas to cyclone dust removal treatment; and further cooling the biomass syngas to a temperature of 210 C., and recycling waste heat to yield a second steam; 2) removing a portion of heavy tar precipitating out of the biomass syngas during the second-stage indirect heat exchange; 3) carrying out dust removal and cooling using a scrub solution, to scrub off most of dust, tar droplets, and water soluble gases from the biomass syngas after the heat exchange and dust removing treatment; and 4) conducting deep removal of dust and tar with a wet gas stream, to sweep off remains of dust and tar fog in the scrubbed biomass syngas.

A process for extracting a condensable vapour from a supplied gas, comprising the steps of: i) condensing the condensable vapour by cooling the supplied gas at a condensing surface, such that the supplied gas is divided into at least one condensed fraction and a product gas; while ii) removing the at least one condensed fraction from the condensing surface by mechanical scraping means.

A continuous solid organic matter pyrolysis polygeneration system and method for using the system is disclosed. The pyrolysis polygeneration system mainly includes a processing system, a drying furnace, a pyrolysis furnace, a cooling furnace, a tail gas treatment system, and a gas treatment system and a protective gas circulation system cooperate with each other to realize the multi-level rational utilization of energy, and are suitable for the continuous and rapid pyrolysis and carbonization of various solid organic matter in the actual production. While realizing the polygeneration of coke, wood vinegar and tar, the maximum utilization of overall heat is realized through process optimization.

Various processes and configuration are provided for a chemical recycling facility that can lower the carbon footprint and global warming potential of the facility. More particularly, we have discovered numerous ways for reducing the carbon footprint of the facility by: (i) recycling at least a portion of the residual heat energy from the pyrolysis effluent back upstream to the pyrolysis process and waste plastic liquification stage; (ii) recovering at least a portion of the carbon dioxide from at least a portion of the pyrolysis flue gas and/or the pyrolysis gas; (iii) feeding at least a portion of the pyrolysis gas at a cracker facility at a position downstream of a cracker furnace; (iv) using at least a portion of a demethanizer overhead stream as a fuel in a pyrolysis facility and/or a cracking facility; and (v) providing a chemical recycling facility that contains a pyrolysis facility co-located with a cracking facility. Thus, the global warming potential of the chemical recycling facility may be optimized and lowered due to the processes and configurations described herein.

In a method for cooling a hot synthesis gas containing at least one condensable constituent part, in particular tar, during which the synthesis gas in a multi-stage cooling process passes through a first cooling stage, a second cooling stage and a third cooling stage one after the other and the synthesis gas after an at least partial cooling is at least subjected to a separation step for separating the at least one condensable constituent part, the synthesis gas is cooled in the first cooling stage to a temperature above the condensation temperature of the at least one condensable constituent part and the second cooling stage comprises the recirculating of a part quantity of synthesis gas branched off after the third cooling stage and the at least one separation step into the synthesis gas flow.

Energy-efficient gasification-based multi-generation apparatus, facilities, or systems, and methods of modifying existing gasification-based multi-generation apparatus and the various conventional thermal coupling arrangements, are provided. An exemplary gasification-based multi-generation apparatus includes a gasification system configured to generate raw syngas feed from a carbon-based feedstock, and an acid gas removal system configured to remove acidic contaminants from the raw syngas feed to thereby provide a treated syngas feed. The gasification system includes a gasification reactor, a syngas fluid cooler reactor, and a soot ash removal unit comprising a soot quench column, a soot separator, a soot filter, a soot scrubber, and a gasification system energy management system having a conventional set of heat exchanger unit and an added set of heat exchanger units to enhance energy efficiency. The acid gas removal system includes a reactor, an acid gas contaminant absorber, a solvent regenerator, and an acid gas removal system energy management system having a conventional set of heat exchanger unit and an added set of heat exchanger units to enhance energy efficiency.