Gunning, Robert

Hills, Colin

Greenwich Academic Literature Archive

SAPICO2: UK and French Waste Processing and Development  INTERREG IV Project Robert Gunning Areas encompassed by SAPICO2   AREA [km2]    POPULATION [M] UK London    1,570   8.2 SE area (part) 13,330         5.4       14,900 13.6 France Picardie 19,400   1.9 Haute Normandie 12,300   1.8 Nord-Pas-de-Calais 12,400   4.0 Île-de-France (part)  12,000      11.8       56,100 19.5 Table 1: Geographical areas and population relevant to the Project  Developments and Achievements • Chemical and physical characterisation of wastes  - Establish CO2 reactive minerals  - Risk assessment on wastes • Produced eco-construction materials –  Reduce hazardous land fill   Collection of waste Category EWC Code Description Municipal Solid Waste Incinerator Bottom Ash  19 01 12 Residue from the incineration of domestic and commercial waste. Comprising the material remaining in the grate after burning including glass, metal, char and ash. May contain alkalis, chloride and heavy metals. Municipal Solid Waste Incinerator Fly Ash  19 01 13 Fine dust residue from the incineration of domestic and commercial waste. Comprising the material carried in the flue gas from the grate which are removed by precipitation/filtration. May contain alkalis, chloride and heavy metals. Municipal Solid Waste Incinerator Air Pollution Control Residue  19 01 07 Fine powder residue from the incineration of domestic and commercial waste. Arising from the flue gas cleaning system (air pollution control). May contain alkalis, chloride and heavy metals. Cement Kiln/Bypass Dust 10 13 06 By-products from the manufacture of cement. Comprising fine dusts which are rich in alkalis and chloride. Biomass Ash Fly Ash/ Bottom Ash 10 01 03 10 01 13 Ash residue from burning organic material (biomass) for energy generation Steel Slag 10 02 01 By-product from steel manufacture, comprising impurities removed from the production process. Pulverised Fuel Ash 10 01 02 Fine grained ash remaining after burning coal for power generation Furnace Bottom Ash  10 01 01 Coarser fraction of ash produced in coal burning power stations resulting from the fusion of pulverized-fuel ash particles which fall to the bottom of the furnace Sewage Sludge Ash 19 01 11 Fine grained ash from the incineration of wastewater treatment sludge Metalliferous Residues 10 03 09 Group of residues (including slags, drosses etc) from the manufacture/processing of metals Characterisation of wastes • Characterised over 100 French and UK derived wastes  – CO2 uptake – Total Organic Carbon – X-ray fluorescence  – X-Ray diffraction – Particle size distribution  CO2 Uptake of waste materials Developments and Achievements • Produced aggregate from 10 waste groups   - Municipal Solid Waste Incineration residues (MSWI)   - Cement Bypass Dust (CBD)   - Biomass    - Steel slag   - Pulverised Fuel Ash (PFA)   - Sewage Sludge Ash (SSA)   - Metalliferous  residues  • Identified two French biomass ashes with development potential  Figure 1: a) untreated fly ash.  b) granulated fly ash.   c) pelletised fly ash (MSWI) Development of carbonated construction materials Biomass ash aggregate (1) Biomass ash aggregate (2) MSWI Air Pollution Control Residue Quarry fines aggregate Post batch production testing • Compressive strength testing     Compressive strength of CBD CO2 cured and non-CO2 cured aggregate 0.000 0.050 0.100 0.150 0.200 0.250 0.300 0.350 1 2 3 4 5 Compressive Strength (MPa) Age (days) No CO2 CO2 Cured Target strength Post batch production testing (2) • Leaching analysis   Latest developments • Two UK derived 100kg bulk samples produced and successfully tested by UPJV • Bulk production of two French biomass residues in development   

SAPICO2: UK and French Waste Processing and Development

http://gala.gre.ac.uk/14541/1/14541_HILLS_%26_GUNNING_UK_and_French_Waste_Processing_2015.pdf

SAPICO2: UK and French Waste Processing and Development

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