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Sustainable Practices in Geoenvironmental Engineering

by: Catherine N. Mulligan, Concordia Institute for Water, Energy and Sustainable Systems


Selection of the most appropriate remediation technology must coincide with the environmental characteristics of the site and the ongoing fate and transport processes. We will examine the means to select the most appropriate technique for site remediation, evaluate the progress of the remediation and determine the long term restoration of the site. The two main approaches, in situ and ex situ treatment, are examined. Removal of the contaminated soil requires evaluation of the risks, determination of disposal methods and/or potential beneficial use. To work towards sustainability, waste must be minimized, natural resources must be conserved, landfill deposition should be minimized, and biodiversity must not be lost and must be protected. Innovative integrated decontamination technologies must be utilized. Case studies of contaminated sites and examples of sustainability actions will be presented. Geoenvironmental perspectives of where we need to go will be offered.


Dr. Catherine N. Mulligan, Eng. obtained her B.Eng and M.Eng. degrees in chemical engineering and a Ph.D. in geoenvironmental engineering, all from McGill University. She worked for the Biotechnology Research Institute and then SNC Research Corp of SNC Lavalin before joining Concordia University in 1999. She currently holds a Concordia Research Chair in Geoenvironmental Sustainability (Tier I) and is Full Professor and Associate Dean, Research and Graduate Studies of the Faculty of Engineering and Computer Science. She has authored more than 85 refereed papers, (co)published 6 books, holds three patents and has supervised to completion more than 45 graduate students. She established and is the Director of the Concordia Institute of Water, Energy and Sustainable Systems. The Institute trains students and performs research into new technologies and solutions for environmental sustainability. She was a member of the CSCE sustainable development committee since 2005 and chair from 2008 to 2013, will be chair of the environmental division and is the CGS representative on the CSCE board since 2013. She won the editorial award for the ASTM contaminated sediment conference proceedings in 2014, and the A.G. Stermac Award for outstanding service to the Canadian Geotechnical Society, 2010. She has been the VP Communications of the CGS since 2012. She has been involved in the organization of numerous conferences as technical committee co-chair, including the 14th Joint Seminar in Geoenvironmental Engineering in Montreal on May 21 and 22, 2015.


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