Email: otobrisec@delsu.edu.ng

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  • Area of Specialization: Process Chemistry/Petrochemistry
  • Department of Chemistry

  • Charles Otobrise obtained a Ph.D. in Process Chemistry from The University of Port-Harcout, Nigeria in 2016. He also holds a Master of Science (M.Sc.) degree in Petroleum Chimistry and Petrochemicals from the same institution in 2010. He obtained his B.Sc. in Industrial Chemistry from the Delta State University, Abraka in 2004. He is a member of the Chemical Society of Nigeria (CSN) and also of the Institute of Chattered Chemists of Nigeria (ICCON). Studies in Process Chemistry and Petro chemistry have been my major preoccupation. My current research interests include thermodynamic modeling, property estimation and prediction. Group Contribution Methods (GCMs) have been developed and used to predict pure component properties of a wide range of organic compounds that are not feasible with laboratory experiments, due to the thermally labile nature of the compounds. Data generated by these GCMs have a variety of applications in chemical engineering, process design, optimization of processing plants, synthesis of process products and computer-aided designs. Characterization and assessment of properties of petroleum fractions have also been carried out.
    My Publications
  1. C. Otobrise (2020) Prediction of Pure Component Properties of Alkenes and Dienes by Group Contributions, Chemical Engineering Transactions/Italian Association of Chemical Engineering.
    https://www.cetjournal.it/index.php/cet/article/view/CET2080021 Vol.80 Pages: 121-126

  2. C. Otobrise (2020) COMPARISON OF GCMs FOR THE PREDICTION OF PURE COMPOUND PROPERTIES IN ALIPHATIC ALCOHOL SERIES, FUW Trends in Science & Technology Journal/Federal University of Science and Technology, Wukari, Bauchi State, Nigeria.
    https://ftstjournal.com/Digital%20Library/52%20Article%2032.php Vol.5 (2) Pages: 485 - 488

  3. Otobrise, C., Monago, K.O. and Ibezim-Ezeani, M.U. (2018) Group Contribution Method for the Estimation of Critical Properties of Some Linear Aliphatic Dimethyl Esters of Dicarboxylic Acids., FUW Trends in Science & Technology Journal/Federal University of Science and Technology, Wukari, Bauchi State, Nigeria.
    https://www.researchgate.net/publication/334132337_GROUP_CONTRIBUTION_METHOD_FOR_THE_ESTIMATION_OF_CRITICAL_PROPERTIES_OF_SOME_LINEAR_ALIPHATIC_DIMETHYL_ESTERS_OF_DICARBOXYLIC_ACIDS Vol.3 (2) Pages: 658 – 663

  4. Kenneth Osondu Monago and Charles Otobrise (2016) Virial Coefficients of Ethane from a Quadrupolar Site-Site Potential Function., Zimbabwe Journal of Science & Technology/National university of science and Technology, Zimbabwe
    https://www.semanticscholar.org/paper/Virial-Coefficients-of-Ethane-from-a-Quadrupolar-Monago-Otobrise/7b56b13bc9337cbc39811eda49ce9ce8932fc7f9 Vol.11 Pages: 38 - 47

  5. Kenneth Osondu Monago and Charles Otobrise (2016) Virial coefficients of nitrogen from a quadrupolar site–site potential function, Journal of Theoretical and Computational Chemistry/World Scientific
    https://doi.org/10.1142/S0219633616500243 Vol.15 (3) Pages: 1650024 (1-14).

  6. Charles Otobrise, Kenneth Osondu Monago (2015) New Group Contribution Method for Predicting the Critical Pressures of Fatty Acids and Triglycerides, International Journal of Computational and Theoretical Chemistry/Science Publishing Group
    http://article.sciencepg.org/pdf/10.11648.j.ijctc.20150306.11.pdf Vol.3 (6) Pages: 45-49.

  7. O Onoriode Emoyan, E Eyitemi Akporhonor, Charles Otobrise (2015) Comparative Correlation Investigation of Polynuclear Aromatic Hydrocarbons (PAHs) in Soils of Different Land Use: Sources Evaluation Perspective, International Journal of Environmental and Ecological Engineering/World Academy of Science, Engineering and Technology
    https://pdfs.semanticscholar.org/9142/5dda8ecafb56bba6578593d68150cce41c33.pdf Vol.9 (9) Pages: 1175 – 1180

  8. Kenneth Osondu Monago and Charles Otobrise (2015) Fourth order virial equation of state of nonadditive Lennard-Jones fluid., International Journal of Computational and Theoretical Chemistry/Science Publishing Group
    http://article.sciencepublishinggroup.com/html/10.11648.j.ijctc.20150304.11.html Vol.3 (4) Pages: 28-33.

  9. Akporido, S.O., Emoyan, O.O., & Otobrise, C. (2015) Sediment Pollution of the Benin-Ethiope Fluvial System around Sapele (Nigeria) from Industrial and Urban Wastes., International Research Journal of Public and Environmental Health/IRJPEH
    http://scholar.google.com/scholar?cluster=9831500133342400623&hl=en&oi=scholarr Vol.2 (1) Pages: 4 - 15

  10. Charles Otobrise, Kenneth Osondu Monago (2015) Group contribution method for estimating the critical pressures of C 1 C 20 n-alkanes, Scientia Africana/Faculty of Science, University of Port Harcourt Port Harcourt
    https://www.ajol.info/index.php/sa/article/view/156891 Vol.14 (1) Pages: 197-205.

  11. C. Otobrise (2013) QUALITY ASSESSMENT OF PETROLEUM FRACTIONS FROM ROAD SIDE VEN-DORS AND FILLING STATIONS IN EFFURUN, DELTA STATE, Nigerian Journal of Science and Environment/Faculty of science, Delta State University, Abraka.
    https://pdfs.semanticscholar.org/9dc9/cd2ff6ce0793c05d659bf4f1a46816dea7e7.pdf Vol.12 (2) Pages: 80-83.

  12. KO Monago, C Otobrise, OO Emoyan (2013) Quality assessment of petroleum fractions from road side vendors and illegal refineries in Delta state, Scientia Africana/Faculty of Science, University of Port Harcourt Port Harcourt
    https://www.ajol.info/index.php/sa/article/view/156905 Vol.12 (2) Pages: 1-8.

  13. OO Emoyan, PO Agbaire, C Otobrise (2012) ANALYSIS OF PRESERVATION EFFECTS ON THE CONCENTRATION OF IRON AND IODINE IN SELECTED FISH SPECIES, Nigerian Journal of Science and Environment/Faculty of science, Delta State University, Abraka.
    https://pdfs.semanticscholar.org/b1a7/354cd23190732f5b1f31a88c9a2afe841fb3.pdf Vol.11 (1) Pages: 52-56.

  14. Emoyan, O.O., Agbaire, P.O., Otobrise, C. & Akporhonor, E.E. (2011) Distribution Pattern of Polyaromatic Hydrocarbons (PAHs) in Soils in the Vicinity of Fuel Stations in Abraka, Nigeria., J. Appl. Sci. Environ.
    https://www.ajol.info/index.php/jasem/article/view/88775 Vol.15 (3) Pages: 513 - 516

  15. Monago, K.O., Otobrise, C. (2011) Equilibrium Constant Conversion in Real Gas Reactions by Equation of State Methods., Journal of Chemical Society of Nigeria/Chemical Society of Nigeria.
    http://www.academix.ng/search/paper.html?idd=3300012384 Vol.36 (1) Pages: 208 - 212

  16. Monago, K.O., Otobrise, C. (2011) Critical Properties and Acentric Factors of Fatty Acids by Group Contribution Methods, Nigerian Journal of Science and Environment/Faculty of science, Delta State University, Abraka.
    Vol.10 (1 & 2) Pages: 121-129.

  17. Monago, K.O., Otobrise, C. (2010) Estimation of Pure-Component Properties of Fatty Acids and Esters., Journal of Chemical Society of Nigeria/Chemical Society of Nigeria.
    http://www.academix.ng/demo/search/paper.html?idd=3300012449 Vol.35 ( 2) Pages: 142-148.