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Environmentally friendly technology for municipal solid waste gasification

Environmentally friendly technology for municipal solid waste gasification. From Science to Business 11-12 October 2006 Kyiv Georgiy Geletukha t./fax: (+380 44) 456 94 62 geletukha@biomass.kiev.ua Institute of Engineering Thermophysics NAS of Ukraine Kyiv. Talk outline.

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Environmentally friendly technology for municipal solid waste gasification

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  1. Environmentally friendly technology for municipal solid waste gasification From Science to Business 11-12 October 2006 Kyiv Georgiy Geletukha t./fax: (+380 44) 456 94 62 geletukha@biomass.kiev.ua Institute of Engineering Thermophysics NAS of Ukraine Kyiv

  2. Talk outline What is needed in the market? Brief technology description. Stage of development. Who needs it & how many will they need? What is my unique technology advantage? Competitive matrix. How will I beat the competition? Opportunity for joint work.

  3. Proprietary information statement • The technology material presented in this talk is available for licensing or joint product development. • None of the slides contain any confidential or proprietary information which would prevent patenting the technology.

  4. Problem Description & Market Need • Every year amount of municipal solid waste (MSW) is growing in the world (2 billiont/year) • Incineration is the main method for MSW thermochemical conversion • Main problems of MSW incineration: • high emission of harmful pollutants (dioxines and furans) • high capital costs due to necessity of expensive gas cleaning systems

  5. Brief technology description • Twin fluid bed gasifier consisting of two fluid bed reactors – gasifier itself and combustion chamber • Steam gasification, sand as inert material • Wet cleaning of producer gas in a scrubber

  6. Advantages • low formation of dioxins and furans. As gasification takes place under limited amount of oxygen, formation of dioxins is much less intensive than during direct combustion of MSW; • effective gas cleaning system; • low negative impact upon environment; • compacting effect from gasification is much more than that from pyrolysis. Unburned charcoal remains after pyrolysis while only ash remains after gasification; • gasification is a less power-consuming process than pyrolysis; • due to lower temperature during gasification as against combustion, formation of NOx is also much less intensive.

  7. Experimental results

  8. Stage of development • Detail design and design documentation for 50 KWth pilot unit is available • Built up and tested 50 KWth pilot unit • Design is available for patenting

  9. Targeted Market Segment • Companies involved in generation and disposal of MSW: industrial enterprises, municipalities, wastes collection and transportation companies, landfill operators. • Market size assessment: several thousand units as it is planned to install gasification units on existing power plants, CHP plants and boiler houses • Present price of MSW disposal on landfill: about 2 $/m3 – in Ukraine and up to 50 $/m3 (EU, USA, Japan, Canada).

  10. Competition • Waste incineration plants (WIP) - competitor Incineration of MSW is widely spread in EU, partly in USA and only two plants are in Ukraine. People and environmental organizations are often strongly against WIP. Expensive cleaning system is required. Typical problems with utilization of produced heat. • Landfills – competitor Large areas occupied. High payment for MSW disposal. • Gasification – proposed technology More effective and environmentally friendly MSW conversion. Lower price for MSW utilization. The main barrier – level of technical development.

  11. Competitive Matrix

  12. Opportunities(1) • Next stage: demonstration project on existing power plant / boiler house • selection of a city with MSW differential collection and refuse derived fuel (pellets) production • selection of suitable power plant / boiler house • techno-economic assessment • Capacity of gasification unit: 0.5-1 MWth • Potential partner (investor) is needed to implement demonstration project in Ukraine

  13. Opportunities (2) The Institute of Engineering Thermophysics has also other fields for international cooperation based on proposed/developed technologies: • combustion of wet wood residues – 100 kWth experimental boiler is constructed and tested (CRDF project, 2002-2004) • combustion of straw bales – draft design of a 100 kWth boiler is developed (IPP project, 2006-2008) • fast pyrolysis of biomass for liquid fuel production - draft design of a 20 kg/hr pilot unit is under development (CRDF project, 2006-2008)

  14. Contact information Georgiy Geletukha t./fax: (+380 44) 456 94 62 geletukha@biomass.kiev.ua Institute of Engineering Thermophysics NAS of Ukraine Kyiv

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