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UID:20250808T091257EDT-50015UEkOh@132.216.98.100
DTSTAMP:20250808T131257Z
DESCRIPTION:Everyone is welcome to attend this CIVE 615 Environmental Engin
 eering Seminar (part of the Environmental & Water resource engineering sem
 inar series) given by Dr. James (Chip) Kilduff\, Department of Civil and E
 nvironmental Engineering\, Rensselaer Polytechnic Institute\, USA.  Applic
 ations of membrane processes to water purification are increasing world-wi
 de as they can offer high quality water\, flexible design\, and scalabilit
 y.  One important objective is the removal of natural organic matter (NOM)
  to reduce disinfection by-product formation. Another is the removal of NO
 M and natural colloids using ultrafiltration as a pretreatment option for 
 reverse osmosis desalination.  Major considerations include NOM rejection 
 and flux decline during filtration. Membrane flux is a critical design cri
 terion\, and flux must be maintained during operation. Fouling of membrane
  surfaces represents a major cause of flux decline\, which increases the c
 apital and operating costs\, and has been called the “Achilles Heel” of me
 mbrane processes. In this presentation\, the salient features and properti
 es of NOM will be introduced\, with an emphasis on properties that contrib
 ute to fouling. A framework for assessing fouling using rate models will b
 e presented. Among the available options to mitigate fouling\, an importan
 t strategy is to choose a surface chemistry to minimize the affinity betwe
 en the surface and foulants present in the feed. Choices among commerciall
 y available polymers are limited\, and the ability to tailor membrane surf
 aces to specific feeds represents an attractive approach. A new high-throu
 ghput approach to rapidly\, efficiently\, and reproducibly develop optimal
  polymeric surfaces will be presented. The new method adapts a high throug
 hput platform (HTP) the facile modification of poly(ether sulfone) (PES) b
 y graft polymerization. This presentation will discuss the method\; descri
 be several new surfaces having optimal surface chemistry\; and demonstrate
  the scalability of the HT format using bench scale experiments.  James (C
 hip) Kilduff is an Associate Professor in the Department of Civil and Envi
 ronmental Engineering at Rensselaer Polytechnic Institute\, Troy\, NY\, an
 d has worked in the water treatment field for more than 20 years. He recei
 ved Ph.D from the University of Michigan\, Ann Arbor and postdoc training 
 at the University of California\, Berkeley. Dr. Kilduff’s areas of interes
 t are physicochemical processes\, with emphasis on application of membrane
  and adsorption separation processes to potable water production\, industr
 ial wastewater treatment\, the effects of sorption and mass-transfer in co
 ntrolling the environmental fate\, transport\, and remediation of organic 
 compounds in the natural environment. Dr. Kilduff’s work has been supporte
 d by the U.S. Environmental Protection Agency (EPA)\, National Science Fou
 ndation (NSF)\, and the Department of the Interior\, Bureau of Reclamation
 . Support from NSF has included the highly competitive Faculty Early Caree
 r Development (CAREER) Award. He is also the recipient of The Collingwood 
 Prize\, awarded by the American Society of Civil Engineers. Kilduff is cur
 rently an Associate Editor of the Desalination journal\, published by Else
 vier.
DTSTART:20131025T140000Z
DTEND:20131025T152500Z
LOCATION:Room 1050\, Wong Building\, CA\, QC\, Montreal\, H3A 0C5\, 3610 ru
 e University
SUMMARY:Membrane Processes for Water Purification
URL:/tised/channels/event/membrane-processes-water-pur
 ification-231217
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