All Outputs (58)

Hydrogen separation using inorganic membranes.
Presentation / Conference Contribution
KAJAMA, M.N., NWOGU, N.C. and GOBINA, E. 2015. Hydrogen separation using inorganic membranes. Advanced materials research [online], 1102: selected papers from the 2015 international conference on metal, ceramic and composite materials (ICMCCM-2015), 24-25 January 2015, Shanghai, China, pages 91-94. Available from: https://doi.org/10.4028/www.scientific.net/AMR.1102.91

Gas permeation of hydrogen (H2) and nitrogen (N2) were obtained from 30 and 6000 nm pore diameter tubular commercial alumina ceramic membranes at 0.05 to 1.00 bar and 298 K. Flow rates of up to 3.279 and 2.296 l/min were obtained for H2 and N2 respec... Read More about Hydrogen separation using inorganic membranes..

Hydrogen separation using silica-based composite membranes.
Presentation / Conference Contribution
KAJAMA, M.N., NWOGU, N.C. and GOBINA, E. 2014. Hydrogen separation using silica-based composite membranes. Advanced materials research [online], 1051: selected papers from the 2014 international conference on green materials and environmental engineering (GMEE 2014), 21-22 September 2014, Hong Kong, China, pages 107-111. Available from: https://doi.org/10.4028/www.scientific.net/AMR.1051.107

Silica sol-gel membranes have been developed for moderate temperature (300°C) separation of hydrogen (H2) from nitrogen (N2), methane (CH4) and argon (Ar) gas molecules. Tubular ceramic support with 15 nm nominal pore diameter and 45% porosity was mo... Read More about Hydrogen separation using silica-based composite membranes..

Validation of a novel approach for CO2/N2 gas separations by means of a hybrid ceramic membrane.
Presentation / Conference Contribution
NWOGU, N.C, KAJAMA, M.N. and GOBINA, E. 2015. Validation of a novel approach for CO2/N2 gas separations by means of a hybrid ceramic membrane. Advanced materials research: metal, ceramic and composite materials; selected papers from the 2015 International conference on metal, ceramic and composite materials (ICMCCM-2015), 24-25 January 2015, Shanghai, China [online], 1102, pages 73-76. Available from: https://doi.org/10.4028/www.scientific.net/AMR.1102.73.

Global warming has been documented as one of the world's foremost ecological concerns. Although it is difficult to totally end human related global warming, there is a possibility to alleviate these effects through a wide spectrum of options. One suc... Read More about Validation of a novel approach for CO2/N2 gas separations by means of a hybrid ceramic membrane..

Hydrogen transport through dense and porous membranes for fuel cell applications.
Presentation / Conference Contribution
NWOGU, N.C., ALKALI, A. and GOBINA, E. 2015. Hydrogen transport through dense and porous membranes for fuel cell applications. Proceedings of the 1st International industrial technology and management science conference 2015 (ITMS 2015), 27-28 March 2015, Tianjin, China. Advances in computer science research, 34. Amsterdam: Atlantis press [online], pages 157-160. Available from: https://doi.org/10.2991/itms-15.2015.40

In this work the design of a nano structured ceramic membrane is carried out for fuel cell applications. However the innovation is that a membrane porous network is modified through its immersion in silica based solution and in a palladium solution t... Read More about Hydrogen transport through dense and porous membranes for fuel cell applications..

Characterisation of inorganic composite ceramic membrane for lactic acid esterification processes.
Presentation / Conference Contribution
OKON, E., SHEHU, H. and GOBINA, E. 2015. Characterisation of inorganic composite ceramic membrane for lactic acid esterification processes. Advanced materials research: metal, ceramic and composite materials; selected papers from the 2015 International conference on metal, ceramic and composite materials (ICMCCM-2015), 24-25 January 2015, Shanghai, China [online], 1102, pages 99-102. Available from: https://doi.org/10.4028/www.scientific.net/AMR.1102.99

The use of inorganic composite membranes in chemical industries has received a lot of attention more recently due to a number of exceptional advantages, including thermal stability and robustness. Inorganic membranes can selectively remove water from... Read More about Characterisation of inorganic composite ceramic membrane for lactic acid esterification processes..

Structural characteristic and permeation of gases through a supported silica inorganic ceramic membrane.
Presentation / Conference Contribution
NWOGU, N.C., KAJAMA, M.N., OSUEKE, G. and GOBINA, E. 2015. Structural characteristic and permeation of gases through a supported silica inorganic ceramic membrane. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering (WCE 2015), 1-3 July 2015, London, UK. Lecture notes in engineering and computer science, 2217. Hong Kong: Newswood Limited [online], pages 245-248. Available from: http://www.iaeng.org/publication/WCE2015/WCE2015_pp245-248.pdf

The present paper describes the synthesis and hydrodynamic properties of a surface-modified ceramic membrane composed of a porous support which consists of gamma alumina and a titania wash-coat. Single gas permeation through the membranes was measure... Read More about Structural characteristic and permeation of gases through a supported silica inorganic ceramic membrane..

Gas transport and characterization of inorganic ceramic membrane for lactic acid esterification.
Presentation / Conference Contribution
EDIDIONG, O., HABIBA, S. and GOBINA, E. 2014. Gas transport and characterization of inorganic ceramic membrane for lactic acid esterification. In Ao, S.-I., Douglas, C., Grundfest, W.S. and Burgstone, J. (eds.) Proceedings of the 2014 World congress on engineering and computer science (WCECS 2014), 22-24 October 2014, San Francisco, USA. Lecture notes in engineering and computer science, 2214. Hong Kong: International Association of Engineers [online], pages 590-594. Available from: http://www.iaeng.org/publication/WCE2014

Ethyl lactate is an important organic ester, which is biodegradable in nature and widely used as food additive, perfumery, flavor chemicals and solvent. Inorganic porous ceramic membrane has shown a lot of advantages in the equilibrium process of eth... Read More about Gas transport and characterization of inorganic ceramic membrane for lactic acid esterification..

Hydrodynamic performance in mesoporous silica membrane for lactic acid and esterifiecation.
Presentation / Conference Contribution
OKON, E.P., SHEHU, H., KAJAMA, M.N, ORIMOLOYE, A.O., NWOGU, N.C., ORAKWE, I.R. and GOBINA, E. 2015. Hydrodynamic performance in mesoporous silica membrane for lactic acid and esterifiecation. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering (WCE 2015), 1-3 July 2015, London, UK. Lecture notes in engineering and computer science, 2218. Hong Kong: Newswood Limited [online], pages 781-784. Available from: http://www.iaeng.org/publication/WCE2015/WCE2015_pp781-784.pdf

Ethyl Lactate has a lot of applications in different industries including food, pharmaceutical and agricultural processes. The esterification process of lactic acid and ethanol is a highly equilibrium-controlled reaction. The selective removal of one... Read More about Hydrodynamic performance in mesoporous silica membrane for lactic acid and esterifiecation..

Initial study of heterogeneous catalysts behaviour and carrier gas permeation with catalytic inorganic ceramic membrane for lactic acid esterification applications.
Presentation / Conference Contribution
OKON, E. and GOBINA, E. 2015. Initial study of heterogeneous catalysts behaviour and carrier gas permeation with catalytic inorganic ceramic membrane for lactic acid esterification applications. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering (WCE 2015), 1-3 July 2015, London, UK. Lecture notes in engineering and computer science, 2218. Hong Kong: Newswood Limited [online], pages 1287-1291. Available from: http://www.iaeng.org/publication/WCE2015/WCE2015_pp1287-1291.pdf

Inorganic membranes continue to attract a lot of attention in various fields including industry and academia, due to the great potential they have shown in various applications. Recently, some studies have focused on the water -permeable metallic mem... Read More about Initial study of heterogeneous catalysts behaviour and carrier gas permeation with catalytic inorganic ceramic membrane for lactic acid esterification applications..

The use of nano-composite ceramic membranes for gas separations.
Presentation / Conference Contribution
SHEHU, H., OKON, E. and GOBINA, E. 2015. The use of nano-composite ceramic membranes for gas separations. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering (WCE 2015), 1-3 July 2015, London, UK. Lecture notes in engineering and computer science, 2218. Hong Kong: Newswood Limited [online], pages 1225-1229. Available from: http://www.iaeng.org/publication/WCE2015/WCE2015_pp1225-1229.pdf

The preparation of composite ceramic inorganic membranes using different types of support with the aim to achieving high selectivity for lower hydrocarbons was studied. The pore size of the unmodified support was determined. Upon modification of the... Read More about The use of nano-composite ceramic membranes for gas separations..

Propylene oxidation using Pt-alumina impregnated catalytic membrane reactor.
Presentation / Conference Contribution
KAJAMA, M., NWOGU, N. and GOBINA, E. 2015. Propylene oxidation using Pt-alumina impregnated catalytic membrane reactor. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering (WCE 2015), 1-3 July 2015, London, UK. Lecture notes in engineering and computer science, 2218. Hong Kong: Newswood Limited [online], pages 900-903. Available from: http://www.iaeng.org/publication/WCE2015/WCE2015_pp900-903.pdf

Pt/{esc}gc{esc}s-Al2O3 membrane was prepared through the evaporative-crystallization deposition method for volatile organic compounds (VOCs) destruction. SEM-EDXA observation, BET measurement, permeability assessment and the catalytic oxidation of pr... Read More about Propylene oxidation using Pt-alumina impregnated catalytic membrane reactor..

High performance valuation of CO2 gas separation ceramic membrane system.
Presentation / Conference Contribution
NWOGU, N.C., KAJAMA, M.N., OSUEKE, G. and GOBINA, E. 2015. High performance valuation of CO2 gas separation ceramic membrane system. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering (WCE 2015), 1-3 July 2015, London, UK. Lecture notes in engineering and computer science, 2218. Hong Kong: Newswood Limited [online], pages 824-827. Available from: http://www.iaeng.org/publication/WCE2015/WCE2015_pp824-827.pdf

Atmospheric carbon dioxide emissions are considered as the greatest environmental challenge the world is facing today. The tasks to control the emissions include the recovery of CO2 from flue gas. This concern has been improved due to recent advances... Read More about High performance valuation of CO2 gas separation ceramic membrane system..

Batch process esterification of lactic acid catalysed by cation-exchange resins for the production of environmental-friendly solvent.
Presentation / Conference Contribution
EDIDIONG, O., HABIBA, S. and GOBINA, E. 2015. Batch process esterification of lactic acid catalysed by cation-exchange resins for the production of environmental-friendly solvent. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering and computer science 2015 (WCECS 2015), 21-23 October 2015, San Francisco, USA. Lecture notes in engineering and computer science, 2220. Hong Kong: Newswood Limited [online], pages 623-628. Available from: http://www.iaeng.org/publication/WCECS2015/WCECS2015_pp623-628.pdf

In this work, batch wise esterification of lactic acid and ethanol was carried out using different cation-exchange resins including amberlyst 15, amberlyst 16, dowex 50W8x and amberlyst 36 as heterogeneous catalysts. The Zeiss EVO LS10 Scanning elect... Read More about Batch process esterification of lactic acid catalysed by cation-exchange resins for the production of environmental-friendly solvent..

Recovery of VOC from onshore and offshore shuttle tankers using structured membranes.
Presentation / Conference Contribution
AJAYI, A., SHEHU, H. and GOBINA, E. 2015. Recovery of VOC from onshore and offshore shuttle tankers using structured membranes. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering and computer science (WCECS 2015), 21-23 October 2015, San Francisco, USA. Lecture notes in engineering and computer science, 2220. Hong Kong: Newswood Limited [online], pages 637-642. Available from: http://www.iaeng.org/publication/WCECS2015/WCECS2015_pp637-642.pdf

The emissions of volatile organic compounds (VOCs) from onshore offshore facilities are studied and an alternative technology for the recovery of methane, propane and butane by the use of membrane technology is explored. Permeation tests were carried... Read More about Recovery of VOC from onshore and offshore shuttle tankers using structured membranes..

Morphological characterization and gas permeation of commercially available ceramic membrane.
Presentation / Conference Contribution
ORAKWE, I., NWOGU, N.C. and GOBINA, E. 2015. Morphological characterization and gas permeation of commercially available ceramic membrane. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering and computer science (WCECS 2015), 21-23 October 2015, San Francisco, USA. Lecture notes in engineering and computer science, 2220. Hong Kong: Newswood Limited [online], pages 607-610. Available from: http://www.iaeng.org/publication/WCECS2015/WCECS2015_pp607-610.pdf

This work presents experimental results relating to the structural characterization of a commercially available alumina membrane. A {esc}gc{esc}s-alumina mesoporous tubular membrane has been used. Nitrogen adsorption-desorption, scanning electron mic... Read More about Morphological characterization and gas permeation of commercially available ceramic membrane..

Multi-layer silica ceramic membrane for flue gas and natural gas separations.
Presentation / Conference Contribution
NWOGU, N.C., ORAKWE, I.R. and GOBINA, E. 2015. Multi-layer silica ceramic membrane for flue gas and natural gas separations. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering and computer science (WCECS 2015), 21-23 October 2015, San Francisco, USA. Lecture notes in engineering and computer science, 2220. Hong Kong: Newswood Limited [online], pages 651-655. Available from: http://www.iaeng.org/publication/WCECS2015/WCECS2015_pp651-655.pdf

The overall goal of this paper is to foster the development of new membrane technologies to improve manufacturing efficiency and reduce CO2 emissions. Hence, a multi-layered silica ceramic membrane with extremely low defect concentrations has been pr... Read More about Multi-layer silica ceramic membrane for flue gas and natural gas separations..

Esterification of lactic acid and ethanol using heterogenous catalysts for the production of a bio-based chemical.
Presentation / Conference Contribution
EDIDIONG, O., HABIBA, S. and GOBINA, E. 2017. Esterification of lactic acid and ethanol using heterogenous catalysts for the production of a bio-based chemical. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2017 International multiconference of engineers and computer scientists (IMECS 2017), 15-17 March 2017, Hong Kong, China. Lecture notes in engineering and computer science, 2228. Hong Kong: Newswood Ltd [online], pages 811-817. Available from: http://www.iaeng.org/publication/IMECS2017/IMECS2017_pp811-817.pdf

In this work, the batch process esterification reaction was carried out at 80 oC using different types of heterogeneous catalysts. The heterogeneous resin catalysts used for the analysis were amberlyst 15, amberlyst 36, amberlyst 16 and dowex 50W8x.... Read More about Esterification of lactic acid and ethanol using heterogenous catalysts for the production of a bio-based chemical..

Recovery of VOC from offshore and onshore shuttle tankers using structured Y-type zeolite membranes.
Presentation / Conference Contribution
HABIBA, S., AJAYI, A., EDIDIONG, O. and GOBINA, E. 2017. Recovery of VOC from offshore and onshore shuttle tankers using structured Y-type zeolite membranes. In Ao, S.-I., Kim, H.K. and Amouzegar, M.A. (eds.) Transactions on engineering technologies: revised selections from proceedings of the 2015 World congress on engineering and computer science (WCECS 2015), 21-23 October 2015, San Francisco, USA. Singapore: Springer [online], pages 541-553. Available from: https://doi.org/10.1007/978-981-10-2717-8_38

The emissions of volatile organic compounds (VOCs) from onshore and offshore facilities are studied and an alternative technology for the recovery of methane and propane by the use of membrane technology is explored. Permeation tests were carried out... Read More about Recovery of VOC from offshore and onshore shuttle tankers using structured Y-type zeolite membranes..