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Integrated First Degree

B.E.(Biotechnology)
B.E.(Chemical)
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B.E.(Electrical and Electronics)
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Riju De

goa Chemical Engineering

Assistant Professor

Process optimization, advanced control, biofuels
A-301/13, Department of Chemical Engineering, BITS Pilani, K. K. Birla Goa campus
rijud@goa.bits-pilani.ac.in
0832-2580386
https://www.linkedin.com/in/riju-de-43252875/?originalSubdomain=in

Research Scholars

    PhD scholars

    1. Mr. Bandaru Jagadesh M Chakravarthy (since August 2023 and funded by the institute)

    2. Ms. Ashwini Padole (since September 2023 and funded by the CDRF grant)

    3. Mr. Subhranshu Samal (since January 2020 and funded by the institute)

   

    ME Scholar

    1. Ms. Aishwarya Mahesh Gupta (since July 2023)

    2. Ms. Prakruthi Basavaraj Sambal (Graduated in 2023)

Systems Automation and Control Lab (A-200)

Our lab's main research interests lie in the area of process systems engineering (PSE). We specifically work on the optimization and control of various chemical/ biochemical processes, which involve waste-to-energy conversion. Currently, our lab is working on the following projects:
  • Bio-crude/ bio-oil is an alternative to the diesel fuel and hence, can mitigate the global warming. Bio-oil can be produced via hydrothermal liquefaction of sewage sludge. Therefore, our attempts will be to model and formulate a dynamic optimization framework for the batch hydrothermal liquefaction of sewage sludge for bio-crude production.

 

  • Optimization of hydrothermal pretreatment of lignocellulosic feedstocks for recovering the maximum amount of monomeric sugars, which will be subsequently hydrolyzed using enzymes to produce glucose. The produced glucose will be the precursor for the bio-ethanol production via fermentation. Therefore, we are trying to develop a model-based optimization and control framework for the optimal production of bio-ethanol/ bio-butanol.
 
  • The produced bio-oil contains several hetero-atoms such as oxygen, nitrogen, and sulphur which reduce the heating value of the bio-oil. Hence, these impurities should be removed from the bio-oil to enhance its calorific value and make it suitable as a transportation fuel. Therefore, we are studying various bio-oil upgrading methods such as hydrotreatment, hydrocracking, catalytic hydrodeoxygenation, and supercritical fluid to address this issue. Our final goal is to identify the best bio-oil upgrading method and subsequently develop a model-based optimization and control strategy for the purification of bio-oil.

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