Keynote Speakers

Confirmed Keynote Speakers

Prof. Dr. Raffaello Cossu

University of Padoa, Italy

Prof. Dr. Raffaello Cossu is a full professor of Environmental Engineering at the University of Padova. Italy, since 1997. His research activities have focused mainly on subjects related to waste management (treatment and landfilling) and remediation of contaminated sites. Projects undertaken to date include the following: Aqua Nova Project on separation of sewage flows and integrated management with putrescible MSW; phytotreatment; anaerobic digestion with production of hydrogen and methane; composting of sludges and other industrial organic wastes; on-site aeration for the remediation of old landfills; processes and technologies aimed at achieving landfill sustainability.

Raffaello Cossu has a long experience in consultancy in the following fields: sanitary landfills for municipal and special waste, remediation of old landfills, resource recovery plants. He has spent several research stages in various scientific Institutions and has been invited as Visiting Professor to numerous Universities worldwide. He is member of the International Mentors Group for the Environmental Engineering Programme of the University of Kalma in Sweden, Chairman of the Italian Technical Committee for Guidelines on Sanitary Landfill, Italian Coordinator of the Governmental Agreement on Waste Management between Italy and Japan, founding member of the European Waste Club and of the International Waste Working Group. From 2004 to 2008 Prof. Cossu was President of the IWWG - International Waste Working Group, an international scientific association for waste management (

Since 1987 he has held the position of Chairman of the Scientific Committee of the International Symposia on Sanitary Landfill held on a biennial basis in Sardinia, promoted by the EU and by the US Environmental Protection Agency, constituting the most important conference worldwide in the field (the 2007 edition of the Symposium saw the participation of 1100 participants from 80 different countries). Moreover, he has promoted and coordinated the Biennial International Symposia on Energy from biomass and waste. He is author of more than 200 scientific publications and co-editor of five international books on waste management.

Prof. Dr. Luis F. Diaz

CalRecovery, Inc., USA

Dr. Diaz received a Doctorate in Environmental Engineering from the University of California, Berkeley (California, USA) and a Doctorate in Engineering (h.c.) from the Bauhaus University in Weimar, Germany. Dr. Díaz has been involved in the field of environmental management, waste management and renewable energy production for more than 40 years. He has participated in projects dealing with final waste disposal and waste treatment for the recovery of materials and energy, has prepared feasibility studies and master plans in the United States and more than 45 countries. He currently is the President of CalRecovery, Inc. a consulting engineering company in California, USA.

Dr. Diaz has advised on the areas for environmental protection and in the development of non-conventional energy sources for various international organizations such as the World Bank, The Asian Development Bank, the U.S. International Development Agency (USAID), the Peace Corps, and several United Nations agencies (UNIDO, UNICEF, UNEP, WHO, PAHO).

Throughout his career, Dr. Díaz has sought a balance between academic activities, Research and Development, and fieldwork. As such, he was Editor-in-Chief of the journal "Waste Management", a peer-reviewed journal published by Elsevier. He is also a member of the Editorial Board of several journals in the field of waste management and the environment. Dr. Díaz has more than 500 publications in the field of waste management and power generation. He has also authored and co-authored several books dealing with the treatment and final disposal of solid waste and the treatment of organic waste for energy recovery and the production of soil amendments.

He has been Keynote speaker and made presentations at a large number of national and international conferences, in colleges and universities in the fields of waste and energy management. Dr. Díaz has participated in the organization of several specialized training courses and has participated in more than 400 seminars and symposia in several countries. He has lectured on various aspects of environmental protection at various universities around the world.

Dr. Diaz is the Chairman of the Working Group on Solid Waste Management in Development Countries for the International Waste Working Group (IWWG).

Dr. Díaz was one of the authors of the fourth IPCC Evaluation Report. Working Group III: Mitigation of Climate Change, Chapter 10: Waste Management. This IPCC work was awarded the Nobel Peace Prize in 2007. The award was shared with Mr. Al Gore 45th Vice President of the United States.

Prof. Dr. Sandhya Babel

Sirindhorn International Institute of Technology, Thailand

Dr. Sandhya Babel is a full time Professor at the Sirindhorn International Institute of Technology (SIIT), Thammasat University, Thailand. Currently, she is also Distinguished Adjunct Professor, Asian Institute of Technology, Thailand; Affiliated Faculty, Joint Graduate School of Energy and Environment, KMUTT, Thailand; Visiting Faculty, Ton Duc Thang University, Ho Chi Minh city, Vietnam.

Dr Babel is an expert in environmental technology and management with extensive professional experience in teaching and research, holds masters and doctoral degrees in Environmental Technology and Management from the Asian Institute of Technology (AIT), Thailand. She was invited as a visiting professor at Kyoto University for 4 months. Dr. Babel carried out many research and sponsored projects in collaboration with international organizations and governments including European Commission (EC); DAAD; CIDA; SIDA; APN; Maezawa Industries, Japan, OHEC, Thailand, as well as with respected universities, such as University of Tokyo, University of Hokkaido, Kobe University, Japan, Technical University Braunchweig, Germany and Thammasat University, Thailand.

Her current research interest includes conversion of waste to energy, recovery of valuable materials from waste, low cost technologies for wastewater treatment, microplastics, photocatalysis, phytoremediation and adsorption. Dr. Babel has published extensively with more than 175 publications consisting of two book, 4 book chapters, refereed international journal articles, refereed national journal articles, papers in international conferences. Her h-index is 21 with total 5588 citations based on Scopus database as of January 15, 2020. She received award from the Thammasat University Research Center for high number of citations and high number of Journal publication with impact factor.

Prof. Dr. Dezhen Chen

Tongji University, China

Since 1992 Dezhen Chen has been working on municipal solid waste (MSW) incineration and the related pollution control when she began her master thesis, and with the similar topic she finished her Ph.D dissertation in 1997.

From 2001 to 2002 she had been working in E & R, DTU, Technical University of Denmark especially on the field of incineration fly ashes disposal. In 2005 she had been promoted to be professor. In 2006 she worked in E & R, DTU again on the area of life cycle assessment (LCA) of waste management and technologies. Presently her main research fields include MSW recycle via thermochemical methodology such as waste to energy, pyrolysis and pyrolysis char utilization, gasification, flue gas cleaning and fly ash treatment and disposal.

She has published more than 130 papers in Chinese & international journals and own more than 20 patents, including 2 American patents

Prof. Dr. Oktay Tabasaran

University of Stuttgart, Germany

The master of science of environment Prof.Dr.Oktay Tabasaran was born in Nevşehir in 1938. After graduating the Austrian High School Sankt Georg in Istanbul he has started studying civil engineering in 1957 at the University of Stuttgart and specialized on environmental technologies. His doctorate was about, “converting energy from wastewater product processing” (1966). Prof.Dr.Tabasaran has been a genuine pioneer in academic life. In 1972 Solid Waste and Air Waste Economy Department was established in the Stuttgart University for the first time in Germany and Prof.Dr.Tabasaran assumed the responsibility of the head of the department. Prof.Tabasaran had been the chair of Solid Waste Department, the chair of Drinking Water, Waste Water and Solid Waste Institute. He has also established the Environment Protection Institute Faculty and became the Dean of the Faculty. He has started the master program WASTE in English meanwhile. Prof.Dr.Tabasaran has been the consultant of German Federal Environment Ministry , various State Ministries, public and private sector for many years. He has led the evaluation of solid wastes thermally, biologically and recycling plus landfilling. He has been the General Secretary of 5th World Water Forum between 2007 and 2009.

Prof. Dr. Oktay Tabasaran published more than 150 scientific papers, several boks, and more than 200 technical reports to public and private sector, almost in all areas of environmental engineering. His research interest focus on biological and thermal treatment of waste, waste to energy, hazardous waste management, water and wastewater management and treatment.

Prof. Dr. Sadhan Kumar Ghosh

Jadavpur University, India

Dr. Sadhan Kumar Ghosh, PhD (Engg.), Dean of Faculty of Engineering and Technology and Professor in mechanical engineering at Jadavpur University, India. He is a renowned personality in the field on Waste Management, Circular Economy, Green Manufacturing, Supply Chain Management, Sustainable Development, Co-processing of Hazardous & Municipal Solid Waste in cement kiln, Plastics Waste management & recycling, E-waste management & recycling, management system standards (ISO) and TQM. He served as the Director, CBWE, Ministry of Labour and Employment, Govt. of India. Prof Ghosh is the founder Chairman of the IconSWM; President of the International Society of Waste Management, Air and Water (ISWMAW) and the chairman of the Indian Congress on Quality, Environment, Energy and Safety Management Systems (ICQESMS). He received several awards in India and foreign countries including the Distinguished Visiting Fellowship 2012 by the Royal Academy of Engineering, UK to work on ‘Energy Recovery from MSW’. He wrote nine books, more than 40 edited volumes, more than 200 national and international articles and book chapters and Associate Editor of special issues of WM & R and IJMCWM.

He has been acting and worked as Principal Investigators in more than 25 international and national research projects. He is acting as the expert in preparing the SWM roadmap for South Asian Countries supported by SACEP, Sri Lanka and IGES, Japan involving experts from Japan and government of eight south Asian countries. He is the Chair Elect of 8th 10th IconSWM 2010 to be held at SVU, Tirupati, India in Dec 2020. He was the State Level Advisory Committee Member of Plastics Waste (Management & Handling) Rules 2011. He was the expert committee member for the Preparation of standards for RDF for utilisation in cement plant and other industries in the committee set up by the Ministry of Housing and Urban Affairs (MoHUA), government of India. He is available at:




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