Group 07 Development Presentation

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  • Pond industrial park is located in the West Lothian Council of Scotland. At the western gateway of Bathgate, and only 1km from the M8, it is conveniently located in between the two major cities of Edinburgh and Glasgow.
  • Group 07 Development Presentation

    1. 1. ITI Energy, College London
    2. 2. Our Client  ITI Energy Limited  Working in conjunction with Scotwaste  Environmentally friendly company  Specialises in gasification technology  Developed patented advanced gasification design  10 years experience
    3. 3. The Brief  Design buildings, fuel handling, ash handling and other buildings  8 Gasifiers using ITI technology  Investigate and recommend most suitable  MBT technologies  Technology for pellet manufacture  Advise on use of excess heat and bottom ash
    4. 4. Site Location 1 km North of Junction 4, M8 2.5km from Bathgate rail station Situated in the County of West Lothian, South West of Edinburgh
    5. 5. General Process Municipal Solid Waste Mechanical Biological Treatment Fuel Manufacturing Gasifier Syngas ElectricityExeter EfW Plant http://www.exeter-labour.org.uk/2012/05/08/energy-from-waste-plant/
    6. 6. Environmental & Waste Regulations  Industrial Emissions Directive 2010/75/EU  Integrated Pollution Prevention and Control Directive 2008/1/EC  Waste Incineration Directive 2000/76/EC  Environmental Protection Act 1990  Pollution Prevention and Control Regulations 2000  Environmental Permitting Regulations 2010
    7. 7. Health and Safety  Welfare  clean, comfortable working environment, comfortable and appropriate equipment  Accidents  slips, trips and falls, appropriate PPE, vehicle traffic, cuts and infections, appropriate and well maintained machinery  Emergency procedures  emergency shutdowns, fire evacuation plans, serious injury response
    8. 8. Main Income Streams  Renewable Obligations Certificates  received at a rate of about 2 per hour during normal operations  can be sold to national electricity suppliers for about £40 each  Gate fees for receiving waste  a typical MBT plant receives about £80 per tonne of waste  Selling generated electricity to a national supplier
    9. 9. Mechanical Biological Treatment  Purpose:  Reduce amount of waste going to landfill  Reduce environmental impact  Mechanical Processes  Sorting  Biological Processes http://www.etan.com.sg/biological2.php
    10. 10. MBT - Mechanical  Bag Splitters and Shredders  prepare material for mechanical sorting  Industrial Magnets  ferrous metals  Eddy Current Separator  non-ferrous metals  Ballistic Separation and Air Classification  aggregate, glass, ceramics
    11. 11. MBT – Biological  Three typical processes  Aerobic composting  Aerobic bio-drying  Anaerobic digestion  Aerobic bio-drying most suitable treatment  Partial aerobic decomposition to dry and stabilise waste  Outputs solid recovered fuel (SRF)  SRF used in gasification to produce energy
    12. 12. Pellets  The Gasifier takes pellets as its input  Improved performance  More dense  Less moisture  More homogeneous  Greater calorific value  14 briquetting machines http://www.tajagroproducts.com/images/NE  270 000 pellets per hour W%20FILE%20IMAGES/bricket_10452474.jpg  100 000 tonnes of pellets per year
    13. 13. Pellet Transport Briquetting machines  5 Day Storage  Gasifiers  Conveyor belts for transport  Smart conveyor system  Takes pellets to appropriate gasifier  Potentially weigh at either end of the conveyor
    14. 14. Gasifier  Type of Advanced Thermal Treatment  Continuous thermal decomposition process  Produces fuel gas which can be used to produce electricity with an internal combustion engine
    15. 15. Power Generation & Grid Connection  Power produced by the gasifiers is sold to the grid  Scottish Energy Transmission  33kV national grid connection in nearby Bathgate  Possibility of private connections closer by.(Energy Networks Association, 2011)
    16. 16. Heat Exporting  Recoverable heat is approximately 115% of gross power output Heat Exporting  Two main ways of exporting energyDirect District Organic Rankine Heating Cycle  No considerable heat demand in the area  Consequences of direct district heating system failure are too high
    17. 17. Organic Rankine Cycle Organic Rankine Cycle (ORC) converts heat into electrical work. The heat is externally supplied to a closed system where high molecular mass fluid is used as working fluid ORC can particularly benefit smaller stations making plant operation more profitable (Pratt & Whitney Power Systems, n.d.)
    18. 18. Ash  Inorganic or mineral content of biomass, which remains after gasification.  non-hazardous waste  amount of ash differs from types of feedstock  Uses:  Raw material for cement, bricks, structural fill, aggregates for concrete, road materials, land reclamation, soil modificationRESI Corporation, http://www.resi.com.tw/Fluidization.htm
    19. 19. Site Design Looking ahead:  Main Structures  MBT  Gasifier Plant  Site Logistics  Entrance/Exit  Roads  Storage  Numerous Considerations  i.e. proximity of households, legislation, etc…
    20. 20. Design Selection  Appealing Design  Case Studies  Severnside energy from waste plant  Exeter  Amagerforbraending (Denmark) http://www.bustler.net/index.php/article/big_puts_a_ski_slope_on_chttp://www.utilityweek.co.uk/news/images/195878.jpg openhagens_new_waste-to-energy_plant/
    21. 21. Schedule and Critical ActivitiesWeek 1: Preliminary ResearchWeek 2: Technical Decisions and Site Layout  MBT equipment selection  Pelleting Method  Power connectionWeek 3: Logistics and Building Design  On-site Transportation  Storage  Structural DesignWeek 4 & 5: Finish Tasks, Finalise Report and Extras  Visitors Center  Monitoring & Landscaping

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