All Outputs (103)

Performance evaluation of an inventive CO2 gas separation inorganic ceramic membrane. (2015)
Journal Article
NWOGU, N., KAJAMA, M. and GOBINA, E. 2015. Performance evaluation of an inventive CO2 gas separation inorganic ceramic membrane. International journal of chemical, molecular, nuclear, materials and metallurgical engineering [online], 9(6), pages 674-677. Available from: http://scholar.waset.org/1999.2/10001660

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 Performance evaluation of an inventive CO2 gas separation inorganic ceramic membrane..

Gas permeation behaviour of single and mixed gas components using an asymmetric ceramic membrane. (2015)
Journal Article
NWOGU, N. and GOBINA, E. 2015. Gas permeation behaviour of single and mixed gas components using an asymmetric ceramic membrane. International journal of chemical, molecular, nuclear, materials and metallurgical engineering [online], 9(6), pages 689-693. Available from: http://scholar.waset.org/1999.2/10001725

A dip-coating process has been used to form an asymmetric silica membrane with improved membrane performance and reproducibility. First, we deposited repeatedly silica on top of a commercial alumina membrane support to improve its structural make up.... Read More about Gas permeation behaviour of single and mixed gas components using an asymmetric ceramic membrane..

Hydrogen separation using inorganic membranes. (2015)
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..

Characterisation of inorganic composite ceramic membrane for lactic acid esterification processes. (2015)
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..

Preparation and characterization of inorganic membranes for hydrocarbon separation from N2 for environmental applications. (2015)
Journal Article
KAJAMA, M.N., SHEHU, H., OKON, E. and GOBINA, E. 2015. Preparation and characterization of inorganic membranes for hydrocarbon separation from N2 for environmental applications. Energy and environment research [online], 5(1), pages 110-120. Available from: https://doi.org/10.5539/eer.v5n1p110

This paper reports the preparation and characterization of gas transport using tubular alumina support and silica membrane for propylene (C3H6) and nitrogen (N2) separation. Dip-coating technique was employed to deposit silica on the support after wh... Read More about Preparation and characterization of inorganic membranes for hydrocarbon separation from N2 for environmental applications..

Volatile organic compounds destruction by catalytic oxidation for environmental applications. (2015)
Journal Article
KAJAMA, M.N., NWOGU, N.C. and GOBINA, E. 2015. Volatile organic compounds destruction by catalytic oxidation for environmental applications. International journal of environmental, chemical, ecological, geological and geophysical engineering, 9(6), pages 618-621. World academy of science, engineering and technology international science index 102 [online]. Available from: http://scholar.waset.org/1999.6/10001436

Pt/{esc}gc{esc}s-Al2O3 membrane catalysts were prepared via an evaporative-crystallization deposition method. The obtained Pt/{esc}gc{esc}s- Al2O3 catalyst activity was tested after characterization (SEM-EDAX observation, BET measurement, permeabilit... Read More about Volatile organic compounds destruction by catalytic oxidation for environmental applications..

Unconventional composite inorganic membrane fabrication for carbon emissions mitigation. (2015)
Journal Article
NWOGU, N., OSUEKE, G., HOSSAIN, M. and GOBINA, E. 2015. Unconventional composite inorganic membrane fabrication for carbon emissions mitigation. International journal of chemical, molecular, nuclear, materials and metallurgical engineering, 9(5), pages 542-545. World academy of science, engineering and technology, international science index 101 [online]. Available from: http://scholar.waset.org/1999.6/10001433

An unconventional composite inorganic ceramic membrane capable of enhancing carbon dioxide emission decline was fabricated and tested at laboratory scale in conformism to various environmental guidelines and also to mitigate the effect of global warm... Read More about Unconventional composite inorganic membrane fabrication for carbon emissions mitigation..

Validation of a novel approach for CO2/N2 gas separations by means of a hybrid ceramic membrane. (2015)
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. (2015)
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..

Synthesis of gas transport through nano composite ceramic membrane for esterification and volatile organic compound separations. (2014)
Journal Article
OKON, E., SHEHU, H. and GOBINA, E. 2014. Synthesis of gas transport through nano composite ceramic membrane for esterification and volatile organic compound separations. Journal of mechanics engineering and automation [online], 4(11), pages 905-913. Available from: https://doi.org/10.17265/2161-623X/2014.11.007

The transport behaviour of carrier gases with inorganic catalytic ceramic membrane used for ethyl lactate production and VOC (volatile organic compound) recovery in the gauge pressure range of 0.10-1.00 bar and temperature range of 333 K was investig... Read More about Synthesis of gas transport through nano composite ceramic membrane for esterification and volatile organic compound separations..

Hydrogen separation using silica-based composite membranes. (2014)
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..

Gas transport and characterization of inorganic ceramic membrane for lactic acid esterification. (2014)
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..

Integration of gas transport through a composite catalytic inorganic ceramic membrane for environmental gas separation processes. (2014)
Journal Article
NWOGU, N., OKON, E. and GOBINA, E. 2014. Integration of gas transport through a composite catalytic inorganic ceramic membrane for environmental gas separation processes. International journal of scientific engineering and technology [online], 3(9) pages 1184-1188. Available from: http://ijset.com/publication/v3/268.pdf

This work presents the transport behaviour of carrier gases with inorganic ceramic membrane used for environmental gas separations at 289K and 0.01-1 bar. The gases tested include: Helium (He), Nitrogen (N2), Carbon dioxide (CO2) and Argon (AR). The... Read More about Integration of gas transport through a composite catalytic inorganic ceramic membrane for environmental gas separation processes..

Purification of gases using nanoporous inorganic membranes. (2014)
Journal Article
KAJAMA, M.N., SHEHU, H. and GOBINA, E. 2014. Purification of gases using nanoporous inorganic membranes. International journal of scientific engineering and technology [online], 3(9), pages 1156-1159. Available from: https://www.ijset.com/publication/v3/262.pdf

The application of membranes has gained acceptance in the chemical and process industries for separation and purification for over three decades and is currently being practiced for natural gas processing, waste water treatment among others. A crack-... Read More about Purification of gases using nanoporous inorganic membranes..

Experimental study of gas flux characteristics in a CO2 selective silica based modified membrane. (2014)
Journal Article
NWOGU, N.C., KAJAMA, M.N. and GOBINA, E. 2014. Experimental study of gas flux characteristics in a CO2 selective silica based modified membrane. International journal of advanced research in engineering and technology (IJARET) [online], 5(8), pages 1-9. Available from: http://www.iaeme.com/MasterAdmin/Journal_uploads/IJARET/VOLUME_5_ISSUE_8/IJARET_05_08_001.pdf

The purpose of membrane gas separation for CO2 capture from flue gas process is to reduce greenhouse emissions as well as associated environmental challenges globally. This study looks at gas separation in a single gas permeation experiment using CO2... Read More about Experimental study of gas flux characteristics in a CO2 selective silica based modified membrane..

Gas permeation study using ceramic membranes. (2014)
Journal Article
KAJAMA, M.N., NWOGU, N.C. and GOBINA, E. 2014. Gas permeation study using ceramic membranes. Energy and environment research [online], 4(3), pages 43-49. Available from: https://doi.org/10.5539/eer.v4n3p43

A 6000 nm ceramic membrane was repaired with boehmite solution (ALOOH) through the repeat dip-coating technique. The permeance of hydrogen (H2) and carbon dioxide (CO2) were obtained through the membrane in relation to average pressure at room temper... Read More about Gas permeation study using ceramic membranes..

Preparation, characterization and testing of inorganic ceramic membranes. (2013)
Thesis
OGBUKE, I. 2013. Preparation, characterization and testing of inorganic ceramic membranes. Robert Gordon University, PhD thesis.

A novel approach to enhance the concentration of Carbon dioxide to economic scale using low efficient Inorganic Ceramic membranes has been proposed. This was achieved by the addition of second and third stage permeation trains to the existing low CO2... Read More about Preparation, characterization and testing of inorganic ceramic membranes..

Advanced membrane design for improved carbon dioxide capture. (2013)
Presentation / Conference Contribution
NWOGU, N.C. and GOBINA, E. 2013. Advanced membrane design for improved carbon dioxide capture. In Laudon, M., Romanowicz, B.F. and NSTI. (eds.) TechConnect briefs: Nanotechnology 2013, vol 3: bio sensors, instruments, medical, environment and energy: technical proceedings of the 2013 NSTI (Nano Science and Technology Institute) Nanotechnology conference and expo, 12-16 May 2013, Washington, USA. Boston, MA: TechConnect [online], pages 708-711. Available from: https://briefs.techconnect.org/wp-content/volumes/Nanotech2013v3/pdf/415.pdf

A nano-structure tubular hybrid inorganic membrane capable of stripping carbon dioxide from flue gas stream was designed and tested at laboratory scale to improve compliance to various environmental regulations to cushion the effect of global warming... Read More about Advanced membrane design for improved carbon dioxide capture..

Advanced membrane design for improved carbon dioxide capture. (2013)
Presentation / Conference Contribution
NWOGU, N.C. and GOBINA, E. 2013. Advanced membrane design for improved carbon dioxide capture. In Laudon, M. and Romanowicz, B. (eds.) TechConnect briefs: technical proceedings of the 2013 Clean technology and trade show: energy, renewables, materials, storage and environment, 12-16 May 2013, Washington, USA. Boston, MA: TechConnect [online], pages 204-207. Available from: https://briefs.techconnect.org/wp-content/volumes/Cleantech2013/pdf/415.pdf

A nano-structure tubular hybrid inorganic membrane capable of stripping carbon dioxide from flue gas stream was designed and tested at laboratory scale to improve compliance to various environmental regulations to cushion the effect of global warming... Read More about Advanced membrane design for improved carbon dioxide capture..

Development and testing of thin composite palladium membrane for membrane fuel cell processors. (2010)
Thesis
CHEN, C.C. 2010. Development and testing of thin composite palladium membrane for membrane fuel cell processors. Robert Gordon University, PhD thesis.

The Palladium (Pd) based membranes have long been the focus of studies for the separation of hydrogen due to its high permeability and selectivity toward hydrogen. However, palladium is a precious metal and extremely expensive and its wider applicati... Read More about Development and testing of thin composite palladium membrane for membrane fuel cell processors..