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Published byReynard Briggs Modified over 8 years ago
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WASTE TO ENERGY THE GASIFICATION ROUTE
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WHY GASIFICATION GREEN TECHNOLOGY COMPLIANT EMISSION & ZERO DISCHARGE LOWER CO2 LOWER SO X & NO X CDM COMPLIANT HIGH EFFICIENCY; REDUCED HEAT RATE COMPLETELY AUTOMATED NO SEGREGATION REQUIRED LOW CAPITAL SIMPLE OPERATION (User Friendly) GREEN TECHNOLOGY COMPLIANT EMISSION & ZERO DISCHARGE LOWER CO2 LOWER SO X & NO X CDM COMPLIANT HIGH EFFICIENCY; REDUCED HEAT RATE COMPLETELY AUTOMATED NO SEGREGATION REQUIRED LOW CAPITAL SIMPLE OPERATION (User Friendly)
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GASIFICATION Vs INCINERATION PARAMETERSINCINERATIONGASIFICATION GREEN ENERGY QUALIFICATION Banned In Various Countries In Line With GREEN ENERGY Drive of International Organizations & Govts. CO 2 EMISSION162 M 3 Per 100 Kg MSW23 M 3 Per 100 Kg MSW DIOXINS & FURANS 2 Mg/Nm 3 (EPA Norm:- <1.0 Mg/Nm 3 ) < 0.006 Mg/Nm 3 SO X, NO X ETC.Exorbitantly HighIn Traces TOXICITY Toxic Contents Retained In Residue Residue Remains Inert….Can be used for Construction Purpose
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GASIFICATION Vs INCINERATION……..Contd PARAMETERSINCINERATIONGASIFICATION EFFICIENCYLOWHighly Efficient HEAT RATE3800 – 4200 Kcal/KWH2300 – 2500 Kcal/KWH AVG. OUTPUT (Per 600 TPD MSW) 10 MWH17.5 MWH AUXILIARY FUELEssential For Combustion Required Only During Start-ups EASE OF OPERATION Complex due to WHR Boiler, High Pressure SH Steam, Turbines Etc. Simple CAPITAL COSTHIGHLOW
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THE PROCESS MSW PRE TREATMENT BRIQUETTINGGASIFIER POWER GENERATOR
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MSW PRE TREATMENT SHREDDING PRIMARY SHREDDING ELECTROMAGNETIC SEPARATOR SECONDARY SHREDDING DRYER DRUM DRYING GASIFIER OUTLET GAS UTILIZED
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MSW PRE TREATMENT DRYER SHREDDER
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BRIQUETTING MACHINE DOUBLE SCREW EXTRUDER HIGH DENSITY (1100 – 1400 Kg/m3)
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BRIQUETTING ADVANTAGES NO ODOUR NO BACTERIA NO GAS EMISSIONS DOESN’T LURE ANIMALS CAN BE STORED IN OPEN WEIGHT REDUCTION FROM MSW 50% VOLUME REDUCTION 65 / 70%
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CHARECTERIZED BY 4 STAGES 1.DRYING Looses remaining moisture 2.PYROLYSIS:- Decomposition in absence of O2 150 – 800 0 C Temp Range 3.REDUCTION:- Pyrolysis Derivatives Carbonized Increase in Gas CV 4.OXIDATION:- Oxidation of Carbonized Pyrolysis Derivatives 1000 – 1100 0 C GASIFICATION
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GASIFIER
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C + O 2 = CO 2 C + H 2 O= CO + H 2 C + CO 2 = 2CO C + 2H 2 = CH 4 CO + H 2 O= CO 2 + H 2 CO + 3H 2 = CH 4 + H 2 O CONSTITUENTSPERCENTAGE CO25 – 30% CO27 – 8% H216 – 18% N243 – 45% H2SH2S0.08 – 0.1% HCl0.05 – 0.07% CH 4 1 – 2% SYN GAS COMPOSITION THERMOCHEMICAL REACTIONS
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EMISSION LEVEL
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