Loading...

Thermophilic Anaerobic Digestion of Organic Fraction of Municipal Solid Waste

Fahim, Farshad | 2013

603 Viewed
  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 44700 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Shaygan Salek, Jalaloddin
  7. Abstract:
  8. Due to the large portion of organic fraction of municipal solid wastes in Iran, the needing for stabilization and treatment of this waste is obvious. An appropriate method for treatment of these wastes is anaerobic digestion. By skimming through open literature which are investigated about anaerobic bioreactors, declared that despite the benefits of thermophilic bioreactors over mesophilic ones, (more destruction of pathogens, more removal of volatile solids, more production of biogas and greater resilient to organic loading rate shocks) but because of more difficulties in controlling of thermophilic bioreactors, most studies have been done in mesophilic state. This motivated us to a deeper investigation of the performance of thermophilic bioreactors through the important parameters such as temperature and inflow concentration. The amounts of produced biogas, methane percentage in biogas as well as characteristics of digested OFMSW were measured in different temperatures and concentrations. The results indicated the optimum performance of slurry bioreactor was achieved in 60˚C and by increasing the temperature to 65˚C, bioreactor revealed a tangible decrease in its performance. Volatile solid (VS) removal was almost identical in 50, 55 and 60˚C which were about 70%. In 65˚C the concentration of solids in effluents increased strongly in comparison with the 60˚C
  9. Keywords:
  10. Anaerobic Digestion ; Organic Wastes ; Thermophilic Bioreactor ; Slurry Bioreactor

 Digital Object List

 Bookmark

No TOC