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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-22 2:04 |
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Conference: Bucharest University Faculty of Physics 2013 Meeting
Section: Physics and Technology of Alternative Renewable Energy Supplies
Title:
Experimental Measurements for the Evaluation of thermophysical Properties of Biogas and Sludge Samples from Wastewater Treatment Plants
Authors:
Timur Mamut (1), Ana-Maria Paizan (2), Adriana Balan(3), Ana-Maria Iordache(3), Adrian Badea(1)
Affiliation:
1 Politehnica University of Bucharest;2 Ovidius University of Constanta - INSAE; 3 University of Bucharest, Facutly of Physics - 3NanoSAE Res Centre
E-mail
timur_mamut@yahoo.com
Keywords:
thermophysical properties, wastewater, biogas, sludge combustion
Abstract:
The reported research results are part of the activities dedicated to the development of the concept of “Positive Energy Yield WasteWater Treatment Plants” or “Energy + WWTP”.The increase of energy yields requires good and precise information on the processes and the effects of the operational variables on the yields and the thermophysical properties of compounds and mixtures under all conditions and at every processing stage they can be found.
For this purpose there are two major sources: data banks and thermodynamic calculation methods to predict thermophysical properties but the most reliable method is by direct experimental measurements. In the present paper there are presented results of several tests carried out on Biogas, and sewage sludge samples from several wastewater treatment plants as well as other types of fossil fuels for comparison. These results will be used to compare and improve the accuracy of the approach that has been followed in the development of process modeling in a WWTP including mass balance, energy balance and exergy analysis and the predictive methods that have been used for required thermophysical properties of sewage waters and sludge. A combustion analysis is done on 3 different types of sludge and compared with 3 types of bituminous coal. A Biogas analysis is done using a Residual Gas Analyzer and a ThermoGravimetric Analysis is done on a dried sludge to determine its mineral and organic composition.The testing conditions, equipment and procedures are presented in detail, discussing the results and similar works.
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