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MACC Researchers
Anthony Quarshie Anthony Quarshie
MaSC Candidate
Supervised by Dr. Chris Swartz

Start date
January 2017

Email
quarshia@mcmaster.ca

Education
BSc. Chemical Engineering, Kwame Nkrumah University of Science and Technology, Kumasi (2013)

Work Experience
Teaching Assistant, KNUST (August, 2013 August, 2014)
Asst. Projects Engineer, Caltech Ventures Limited, Ghana (September, 2014 May, 2016)
Shift Supervisor, Caltech Ventures Limited, Ghana (June, 2016 November, 2016)

Topics
Dynamic Optimization

Research Title
Optimal start-ups of Air Separation Units (ASU)

Research Objectives
While the only raw material for the ASU air is free, tremendous amount of electricity is required to run these plants. It could take as long as 30 hours to reach steady state in an ASU. Meanwhile, the start-up phase is without revenue generation since on-spec product is not being produced. Thus, reduction of start-up time would result in significant cost savings. Reduction in start-up time is further incentivised by deregulation of electricity pricing which offers energy cost savings by operating only when electricity pricing is favourable. In seeking to reduce start-up time, the objective of this research is to apply rigorous dynamic optimization to operation and design (retrofit) of ASU. This will involve developing computationally tractable models for the start-up phase which is pretty complex. Both sequential and simultaneous direct solution methods for dynamic optimization will be explored.

MACC Publications

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