Qualifications: BSc (Hons) Chemistry, Jordan PhD (Env Chemistry), Aberdeen, United Kingdom MRSC, CChem, IEMA DR AHMED AYOUB Technical Manager Work Experience: Pharmaceutical Industry, Jordan Macaulay Land Use Research Institute, UK Rothamsted Research Institute, UK Scottish Environment Protection Agency, UK National Environment Company, Jubail, KSA Environment Development Company EDCO, Jubail, KSA
Waste to Energy -OUTLINE-
WASTE GENERATION Jubail Petrochemical Industry ( Basic/ Refineries/ others ). Examples: Aqueous solutions (w/out organics; spent caustic) Solvents and organic solutions Heavy metal solutions Oils/ greases/ water mixtures Organic sludge Other (Activated carbon/ resins/absorbents/ biosludge/ filters/ chemicals/ sand/ asbestos/ tar/ fly ash/ used catalyst)
WASTE GENERATION QUANTITIES Treatment/ Disposal Method Received /MT Wastewater96,285 Landfills55,057 Incineration18,058 Total169,400
Solar evaporation Physical Chemical Incineration Waste Treatment
Reduce fossil fuels use & dependency Reduce green house gas emissions Water use (EDCO) Economical energy source Waste to Energy Benefits
EDCO Incineration Facility Waste Name Calorific Value (kJ/kg) Benzene contaminated wastewater 13,321 Crude OCT25,513 Phenolic Waste30,905 Napthalene Tar33,781 Slop oil41,503
EDCO Heat Recovery & Steam Generation Incinerator Primary Combustion Temp.: 750˚C Post Combustion Temp.: 1100˚C Boiler Inlet Temp.: 850˚C Outlet Temp.: 250˚C Max. gas flow rate: Nm 3 /h Steam pressure: 21 bar Steam temperature: 300°C Steam flow rate: kg/h
Mechanical Evaporator 2 Evaporator units 1 Drier Capacity: 100m 3 day Wastewater Distilled Water Residue (80% solids) Steam is utilized to raise wastewater temp to increase evaporation rate
Ammonia Stripper Ammonia contaminated wastewater 250m 3 day Steam is used in a heat exchanger to heat up waste (70˚C) Temp increases stripping efficiency
Turbine Generator Power Output: 630Kw Steam (at 21bar) is utilized to generate power. Generated Power Usage: Lighting Power air compressors (bubbling systems/ other uses) 400w
General Cleaning Drums Waste containers Filters Trucks
Water Recycling Evaporator (4.3) Cooling Tower (4) Bleed (1) Wastewater All units: m 3 /hr Wastewater Boiler (5) RO (8.75) Stack (2.95) Scrubber (3) Bleed (0.8)
Thank You