Curated Session: Energy Recovery

Management of Ash Residues from Waste to Energy Facilities; Advances in Processing, Treatment, Recovery and Reuse in Europe and North America (1 CEU)

Monday, September 25, 2017
16:45 – 17:45
Room 314

Moderator: Joseph Murdoch, Consultant, Washington

This session will be an interactive and dynamic, curated session that will present and debate technologies, processes and philosophies of ash residue treatment, recovery and re-use. The session will begin with an overview of current ash management practices, goals and objectives.  Experts in ash management from Europe and North America will explain how and why various treatment processes are utilized and how they contribute to the concept/philosophy of the Circular Economy. Speakers will debate the merits of different technologies and applicability to European and North American ash residue circumstances. In addition, cutting edge technologies designed to maximize recovery of semi-precious and precious metals will be discussed.


Bettina Kamuk, Global Market Director, Waste to Energy, Ramboll, Denmark

Bettina Kamuk

Bettina Kamuk, chemical engineer from the Danish Technical University, is global market director and head of the waste-to-energy department at Ramboll, a global consulting engineering company. Ms. Kamuk is a highly experienced wate-to-energy (WtE) project manager and project director and has been responsible for WtE projects in among others Denmark, Norway, Germany, Austria, Canada, USA, Malaysia, Thailand, Abu Dhabi, Oman and most recently the new integrated waste management facility in Singapore. Ms Kamuk has an in-depth knowledge of procurement mechanisms, public acceptance and WtE technologies. Ms. Kamuk is board member and Chair of the International Solid Waste Association (ISWA) Working Group on Energy Recovery. Recently Ms. Kamuk was primus motor for establishing ISWA’s Task Force on Resource Management/Circular Economy.

Jens Kallesøe, Managing Director, Dansk Restprodukt Håndtering A.m.b.a., Denmark

Jens Kallesoe

Jens Kallesøe has more than 30 years of experience in waste management. Since 2006, he has been managing director at the inter-municipal company AFATEK. AFATEK treats bottom ashes from five waste-to-energy (WtE) facilities and handles a total amount of approximately 250,000 tons of bottom ashes per year. AFATEK recovers ferrous and other metals from bottom ashes and successfully uses the residual gravel-like material for road construction. Mr. Kallesøe is continuously developing WtE technology and is involved in a number of research programs with universities and private companies in Denmark, as well as other European countries, including a research institute in Switzerland. Recently, Mr. Kallesøe took over the research program for treatment of flue gas cleaning residues. Since 2016, he also is managing director at Dansk Restprodukt Håndtering.

Jeremy O’Brien, Director, Applied Research Foundation, SWANA, Maryland

Jeremy OBrien

Jeremy K. O’Brien is a solid waste management researcher and consultant who has more than 30 years of experience in the industry. Since February 1999, he has served as the director of SWANA’s Applied Research Foundation and has continued to provide consulting services to local governments as an independent solid waste management consultant. From 1989 to 1999, Mr. O’Brien was employed by HDR, Inc. From 1979 to 1989, he worked for Public Technology Institute, a local government research organization that serves as the technical arm of the National League of Cities and the International City Management Association. Mr. O’Brien began his career by serving as a research associate at the National Center For Resource Recovery in Washington, D.C., from 1977 to 1979.He received a Master’s degree from Duke University in urban and environmental engineering, and a Bachelor’s degree in liberal arts from Duke University. Mr. O’Brien obtained his Professional Engineering registration and license in 1984.

Timothy Townsend, Ph.D., P.E., Professor of Environmental Engineering, University of Florida

Timothy Townsend

Dr. Timothy G. Townsend is a professor in the Department of Environmental Engineering Sciences at the University of Florida. Dr. Townsend has more than 20 years of experience in the design, operation and evaluation of a variety of solid waste-related systems and sites. He received his Doctoral degree from the University of Florida. He has authored and co-authored several refereed journal articles and symposia proceedings, as well as three textbooks in the field of solid waste management. Dr. Townsend teaches courses with subjects including solid and hazardous waste management, landfill design and solid waste treatment design. His research interests include bioreactor landfills, construction and demolition debris management, treated wood issues and special waste management.