American Public Health Association, American Water Works Association and Water Environment Federation, “Standard methods for the examination of water and wastewater standard”, (1999).
 Sokhansanj, S., “The effect of moisture on heating values”, Biomass Energy Data Book, No. C, 1 (2011).
 Turovskiy, I. S. and Mathai, P. K., Wastewater sludge processing, John Wiley & Sons, Florida, USA, (2006).
 Provenzano, M. R., Daniela Malerba, A., Buscaroli, A., Zannoni, D. and Senesi, N., “Anaerobic digestion of municipal solid waste and sewage sludge under mesophilic and thermophilic conditions: A thermal study in DSC associated to infrared spectroscopy”, J. Therm. Anal. Calorim., 111 (3), 1861 (2013).
 Azlina, W. a N., Ab, W. a N., Ghani, K. and Idris, A., “Preliminary study on biogas production of biogas from municipal solid waste (MSW) leachate”, Engineering Science and Technology, 4 (4), 374 (2009).
 Çalli, B., “Energy production from wastewater”, Proceedings of Istanbul International Solid Waste, Water and Wastewater Congres, Istanbul, Turkey, (2013).
 Andersen, A., “Disposal and recycling routes for sewage sludge: Part 3-scientific and technical report”, Luxembourg, (2001).
 Cao, Y. and Pawłowski, A., “Energy sustainability of two parallel sewage sludge-to-energy pathways: Effect of sludge volatile solids content on net energy efficiency”, Environ. Prot. Eng., 38 (2), 77 (2012).
 Zhang, L., Xu, C. (Charles) and Champagne, P., “Energy recovery from secondary pulp/paper-mill sludge and sewage sludge with supercritical water treatment”, Bioresour. Technol., 101 (8), 2713 (2010).
 Hagelqvist, A., “Forest industry sludge as a resource for energy recovery”, Licentiate thesis, Karlstad University, (2009).
 Andersen, A., “Disposal and recycling routes for sewage sludge: Part 3-scientific and sub-component”, Luxembourg, (2001).
 Kim, Y. and Parker, W., “A technical and economic evaluation of the pyrolysis of sewage sludge for the production of bio-oil”, Bioresour. Technol., 99 (5), 1409 (2008).
 Pandey, S., Baral, B., Karki, S. and Upreti, A., “Prediction of syngas composition from biomass gasification using thermodynamics equilibrium model”, Rentech Symp. Compend., 3, 5 (2013).
 Vaezi, M. and Passandideh-Fard, M., “Modeling biomass gasification: A new approach to utilize renewable sources of energy”, Proceedings of ASME International Mechanical Engineering Congress and Exposition, (2008).
 Vaezi, M. and Passandideh-Fard, M., “Modeling biomass gasification: A new approach to utilize renewable sources of energy”, Proceedings of National Mechanical Engineering Congress and Exposition, (2008).
 Tissandier, M. D. et al., “The prot’s absolute aqueous enthalpy and Gibbs free energy of solvation from cluster-Ion solvation data”, J. Phys. Chem. A, 102, (40), 7787 (1998).
 Tasma, D., Panait, T., Jos, D. and St, D., “The quality of syngas produced by fluidised bed gasification using sunflower husk”, 33 (2012).
 EPA Technology Assessment Report, “Aqueous sludge gasification technologies”, (June 2012).
 Cao, Y. and Pawlowski, A., “Sewage sludge-to-energy approaches based on anaerobic digestion and pyrolysis: Brief overview and energy efﬁciency assessment”, Renewable and Sustainable Energy Reviews, 16 (3), 1657 (2012).
 Caballero, J. a., Front, R., Marcilla, A. and Conesa, J. a., “Characterization of sewage sludges by primary and secondary pyrolysis”, J. Anal. Appl. Pyrolysis, 40-41, 433 (1997).
 Samii, R., “The feasibility of producing electricity from the latex gas from Aradkouh”, Master's Degree in Tehran University, (1389).
 Metcalf & Eddy, Wastewater engineering, treatment, disposal and reuse, 4th ed., McGraw-Hill Inc., (2003).