Tampere, Finland
Tampere, Finland

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Grant
Agency: European Commission | Branch: FP7 | Program: CP | Phase: ENERGY.2008.2.2.2 | Award Amount: 6.38M | Year: 2010

The RECOMBIO project is concerned with developments and demonstrations of innovative approaches to the high efficient co-utilisation of low quality biomasses and Solid Recovered Fuels (SRF) produced from municipal solid waste (MSW) for electricity production and combined heat and power (CHP) usage, at competitive costs, high plant availability, and advanced energy efficiency. The production of quality controlled biomass, bio-residues, SRF, and an intelligent fuel management of the producer and user is essential for the project success, which will also be investigated and demonstrated in the frame of the project. The exploitation potential of the results are significant for future biomass power generation or CHP projects, due to the fact that different technologies, such as circulating and bubbling fluidised beds (CFB, BFB), meeting best available techniques (BAT) standards are incorporated to demonstrate the highly efficient utilisation chain for the intelligent co-utilisation of low quality biomass and SRF. Under the RECOMBIO project it is proposed to perform a number of demonstrations of relevant SRF production and utilisation technologies with new developments, substantial investments, long-term monitoring, assessment of the key technical aspects, Life Cycle Analyses (LCA), and enhanced material recycling. The achievement in exploitation and transfer of knowledge and technology gained in the project will occur through the normal business activities of utilities, producers, and manufactures involved. Along with providing valuable information to support future decisions by key utilities, manufacturers, authorities, etc., the results will assist the European Commission in decision making regarding re-examining targets set in the European Unions Landfill Directive and strengthen the recovery option in the waste hierarchy of the Waste Directive. The overall objective is to enhance the future use of biomass and SRF, facilitating the creation of a sustainable energy market across Europe and demonstrating the use of short-term available BAT technologies that will reduce CO2 emissions.


Patent
Metso Power Oy and Teknologian Tutkimuskeskus Vtt | Date: 2013-08-28

The invention relates to a method for producing a pyrolysis liquid, wherein the pyrolysis liquid is formed by means of pyrolysis from a raw material by forming, in a pyrolysis reactor, a gaseous pyrolysis product by pyrolysis and condensing it in a condenser into a pyrolysis liquid, and feeding circulation gas into the pyrolysis reactor. According to the invention, the circulation gas is conducted by means of a liquid ring compressor into the pyrolysis reactor and purified before being conducted into the pyrolysis reactor, and the pyrolysis liquid is used as the liquid layer in the liquid ring compressor. Further, the invention relates to a corresponding apparatus.


Patent
Teknologian Tutkimuskeskus Vtt and Metso Power Oy | Date: 2013-02-22

The invention relates to a method for producing a pyrolysis liquid, wherein the pyrolysis liquid is formed by means of pyrolysis from a raw material by forming, in a pyrolysis reactor, a gaseous pyrolysis product by pyrolysis and condensing it in a condenser into a pyrolysis liquid, and feeding circulation gas into the pyrolysis reactor. According to the invention, the circulation gas is conducted by means of a liquid ring compressor into the pyrolysis reactor and purified before being conducted into the pyrolysis reactor, and the pyrolysis liquid is used as the liquid layer in the liquid ring compressor. Further, the invention relates to a corresponding apparatus.


Patent
Metso Power Oy | Date: 2012-07-18

A boiler grate (102) is provided, which comprises: air channels for supplying primary air to a furnace (100) of a boiler; at least one channel (203), which is open on top, whereby the channel is arranged to collect ash and material from the furnace; and at least one as removal means (301, 701, 751), which is placed in said channel and arranged to move ash and material mechanically along the channel. In addition, a boiler is provided, which comprises said grate (102); a furnace (100), which is limited by the walls (101) of the furnace and said grate (102); and an ash chute (103), which is arranged to remove ash and material from the furnace. The ash removal means (301, 701, 751) is arranged to move ash and material towards the air chute. In an example the grate comprises a set of air nozzles (201, 202), which are arranged to supply primary air into the furnace; and the channel is placed between the air nozzles.


Patent
Metso Power Oy | Date: 2013-01-02

A method and an arrangement for measuring concentrations of flue gas generated in a thermal process are disclosed. The method comprises the following steps: taking a flue gas sample from the flue gas flowing in a burning apparatus (1) and measuring with a measuring device (9) alkali halides of the flue gas sample. Flue gas is directed to the measuring device (9) through a sampling filter (17). The temperature of the sampling filter (17) is maintained at a temperature range that allows the alkali halides in the flue gas to penetrate the sampling filter (17) in a gaseous form.


Patent
Metso Power Oy | Date: 2012-09-19

In a method for processing ash, fly ash is separated from a product gas flow obtained from gasification of fuel, which fly ash is burned in fluidized bed combustion (1) to reduce the carbon content of the ash. After this, the flue gases from the combustion are processed (7). In a first step, the ash is burned in fluidized bed combustion (fluidized bed reactor 1) at a temperature of not higher than 800C to reduce the carbon content, and in a second step, the flue gases are burned in an independent combustion process (combustion chamber 7), the combustion conditions reaching the temperature of at least 850C.


Patent
Metso Power Oy | Date: 2012-01-18

A boiler grate including air channels for supplying primary air to a furnace of a boiler. At least one channel, which is open on top, is arranged to collect ash and material from the furnace. At least one removal element is arranged in the channel and to mechanically move ash and material along the channel. A boiler includes a grate, a furnace which is limited by the walls of the furnace and the grate, and an ash chute, which is arranged to remove ash and material from the furnace. The ash removal elements is arranged to move ash and material towards the air chute.


Patent
Metso Power Oy | Date: 2012-05-24

A boiler includes a flue gas duct and heat exchanger pipes in the flue gas duct. The boiler includes a planar silencer plate, which silencer plate includes sound absorbing material, and said first silencer plate being placed downstream of one of said heat exchanger pipes in the flow direction of flue gases in said flue gas duct. Furthermore, a silencer for a flue gas duct with a rectangular cross-section in a boiler, the silencer including at least a first and a second planar silencer plate substantially parallel to the flow direction of flue gases, the silencer plates including sound absorbing material. The first silencer plate is placed at an angle to the second silencer plate, wherein the width of the resonating area of the flue gas duct becomes narrower in two directions transverse to the flow direction of the flue gases.


Patent
Metso Power Oy | Date: 2013-09-18

An apparatus for collecting ash from flue gases, the apparatus (10) comprising at least a probe (12) suitable for collecting flue gas containing ash and other particles; a filter (18, 58) configured to filter the flue gas flowing through the filter and to separate ash and other particles from the flue gas; a first channel (22) configured to convey flue gas from the probe (12) to the filter (18, 58); a suction device (20) configured to suck flue gas through said filter (18, 58); a second channel (24) configured to convey flue gas from the filter to the suction device. The apparatus comprises a connection (34) for blowing compressed gas to the apparatus, wherein said connection is placed in such a way that the blown gas can be conveyed through the filter (58). The apparatus further comprises a dissolving vessel (42), to which ash and other particles removed from the filter (18, 58) by means of said gas blow can be conveyed for sampling. A method for collecting ash from flue gases utilizes the above described apparatus.


Patent
Metso Power Oy | Date: 2012-03-13

In a method for processing ash, fly ash is separated from a product gas flow obtained from gasification of fuel, which fly ash is burned in fluidized bed combustion to reduce the carbon content of the ash. After this, the flue gases from the combustion are processed. In a first step, the ash is burned in fluidized bed combustion (fluidized bed reactor 1) at a temperature of not higher than 800 C. to reduce the carbon content, and in a second step, the flue gases a burned in an independent combustion process (combustion chamber 7), the combustion conditions reaching the temperature of at least 850 C.

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