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Mr Samarth Trivedi

Overview of thesis

Reverse osmosis (RO) membrane fouling is currently a key issue that reduces the lifetime of RO units, thus costing desalination plants hundreds of millions of dollars annually in addition to causing severe operational problems. Physical or chemical methods have been commonly used to rejuvenate membranes for their reuse. Even though fouling can be partially controlled, chemically cleaned RO membranes tend to consume high power and reduce the water flux.

Modern membrane surface modification techniques have shown some promising features such as low bacterial affinity and high flux with higher salt rejection. Recently CNT-doped polymer has been proposed as a potential membrane surface modification approach for reducing the effect of fouling on RO membranes [1]. In this project, we demonstrate that further enhancement of the performance of CNT-doped polymer membranes can be achieved through electric-field-based alignment of CNTs along the posers of RO membranes and the use of PDMS to further increase the hydrophobicity of the modified membranes.

Qualifications

  • New Jersey Institute of Technology (NJIT), New Jersey, USA. Transferred
    Doctoral Candidate in Environmental Science. (Focus Area: Solid State Devices)
  • Institute of Science and Technology for Advance Studies & Research (ISTAR), India.  September 2006
    Masters of Environmental Science.   First class with Distinction                                      
  • Maharaja Sayajirao University of Baroda, India.September 1999
    Bachelors of Environmental Science, First Class

Publications

Journal Articles

  • S. Trivedi, H. Grebel, “Negative differential resistance with graphene channels, interfacing distributed quantum dots in Field-Effect Transistors” Cornell University Library, arXiv:1307.6790v1 [cond-mat.mes-hall]

Conference Publications

  • S. Trivedi, K. Alameh, “Carbon Nanotube doped ultrafiltration nanomembranes for water desalination” The 7th International Desalination Workshop IDW 2014, Jeju, South Korea
  • S. Trivedi, H. Grebel, “Field effect Transistors with graphene channels and quantum dots: gate control and photo-induced effects” Proceedings of the IEEE conference on Nanotechnology 2011, art no. 6144614, pp. 1584-1587 (Invited Talk)
  • S. Trivedi, H. Grebel, “Photo-induced effects in grpahene channels interfaced with quantum dots in field effect transistor”, NanoDDS 2011 Transaction (Invited Talk)

Supervisors


Contact

Mr Samarth Trivedi
PhD Student
Electron Science Research Institute
Telephone: (61 8) 6304 4242
Email: s.trivedi@ecu.edu.au

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