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Paper Information

Title: 

THEORETICAL AND PRACTICAL ASSESSMENT OF FEASIBLE POWER CAPACITY FOR INSTALLATION IN “MASHHAD” LANDFILL BY PURPOSE OF LANDFILL GAS(LFG) UTILIZATION

Type: PAPER
Author(s): ADL MEHRDAD,BOZORGMEHRI SHAHRIAR,MOHAMMADNEJAD JAFAR,BOGHLANDASHTI BEHROOZ
 
 
 
Name of Seminar: INTERNATIONAL POWER SYSTEM CONFRENCE
Type of Seminar:  CONFERENCE
Sponsor:  SHERKATE TAVANIR
Date:  2004Volume 19
 
 
Abstract: 

THE ESTIMATION OF INSTALLABLE POWER CAPACITY IN “MASHHAD” LANDFILL BY USING A COMBINATION OF THEORETICAL METHODS AND FIELD INVESTIGATIONS, IS THE SUBJECT OF THIS PAPER. THE MAIN TARGET IS ASSESSMENT AND FEASIBILITY STUDY OF ELECTRICITY GENERATION FROM “WASTE DEGRADATION” DERIVED BIOGAS TO ACHIEVE USEFUL ENERGY, AS WELL AS REDUCTION OF METHANE EMISSION TO ATMOSPHERE(WHICH IS 21 TIMES MORE DESTRUCTIVE THAN CARBON DIOXIDE). THEORETICAL ESTIMATION OF FEASIBLE ELECTRICAL POWER DEPENDS ON ESTIMATION OF LANDFILL GAS(LFG) PRODUCTION FLOW RATE AND IT’S VARIATIONS DURING THE COMING YEARS AFTER WASTE DISPOSAL. MATHEMATICAL MODELLING HAS BEEN APPLIED TO PREDICTION OF LFG GENERATION PATTERN BY USING THE MOST APPROPRIATE EQUATIONS WHICH ARE OBTAINED FROM SCIENTIFIC REFERENCES. CALCULATIONS HAS BEEN CONDUCTED THROUGH A SIMPLE COMPUTATIONAL PROGRAM. MOREOVER, A COMPARISON HAS BEEN MADE BETWEEN THE RESULTS OF ABOVE MENTIONED MODEL AND RESULTS OF GASSIM MODEL RUNNING, AS WELL AS RESULTS OBTAINED FROM FIELD MEASURMENTS IN MASHHAD LANDFILL. THE CALCULATIONS WERE CONDUCTED FOR LANDFILLING CELLS IN WHICH, SOLID WASTES OF RECENT YEARS (SINCE 6 YEARS AGO) HAVE BEEN BURRIED. THE RESULTS IMPLY THAT LFG GENERATION IN MASHHAD LANDFILL IS MAXIMIZED IN ABOUT 2 YEARS AFTER LANDFILL CLOSURE AND DECREASES TO VERY FEW AMOUNT AFTER 50 YEARS. THE YIELD OF LFG FOR MASHHAD SOLID WASTES HAS BEEN ESTIMATED AS 183 TO 238 NM3 PER TON OF WASTE(WET).THE CONFIDENTIAL POWER CAPACITY WHICH CAN BE ACHIEVABLE UNTIL 2016, IS ESTIMATED UP TO 157 KWE ACCORDING TO EXISTING CONDITIONS IN THE FIELD.

 
Keyword(s): LANDFILL, ELECTRICAL POWER, BIOGAS, GAS GENERATION MODELLING
 
 
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