All Outputs (38)

Resin characterization and tubular membrane transport with single gases for ethyl lactate separations for industrial purposes. (2015)
Journal Article
OKON, E., SHEHU, H., NWOGU, N., KAJAMA, M., ORAKWE, I. and GOBINA, E. 2015. Resin characterization and tubular membrane transport with single gases for ethyl lactate separations for industrial purposes. Journal of materials science and chemical engineering [online], 3(9), pages 8-14. Available from: https://doi.org/10.4236/msce.2015.39002

The dip-coating method has been used to prepare silica membrane. The gas flow rate relationship with the gauge pressure showed a Knudsen type of mechanism of gas transport. The flux was found to decrease with respect to temperature indicating non-act... Read More about Resin characterization and tubular membrane transport with single gases for ethyl lactate separations for industrial purposes..

Hydrogen separation using Pt-alumina impregnated membrane. (2015)
Journal Article
KAJAMA, M.N., NWOGU, N.C., OKON, E.O., SHEHU, H., ORAKWE, I. and GOBINA, E. 2015. Hydrogen separation using Pt-alumina impregnated membrane. Energy and power engineering [online], 7(9), pages 412-417. Available from: https://doi.org/10.4236/epe.2015.79039

A tubular commercial mesoporous support was used to prepare a Pt impregnated membrane using the reservoir method and tested for moderate temperature (300 C) gas transport of hydrogen (H2), helium (He) and nitrogen (N2) gas molecules. H2 and N2 gas pe... Read More about Hydrogen separation using Pt-alumina impregnated membrane..

High molecular permeance dual-layer ceramic membrane for capturing CO2 from flue gas stream. (2015)
Journal Article
NWOGU, N.C., KAJAMA, M.A., ORAKWE, I. and GOBINA, E. 2015. High molecular permeance dual-layer ceramic membrane for capturing CO2 from flue gas stream. Energy and power engineering [online], 7(9), pages 418-425. Available from: https://doi.org/10.4236/epe.2015.79040

With the objective to create technologically advanced materials to be scientifically applicable, dual-layer silica alumina membranes were molecularly fabricated by continuous surface coating silica layers containing hybrid material onto a ceramic por... Read More about High molecular permeance dual-layer ceramic membrane for capturing CO2 from flue gas stream..

A study of gas diffusion characteristics on a micro porous composite silica ceramic membrane. (2015)
Journal Article
NWOGU, N.C., KAJAMA, M. and GOBINA, E. 2015. A study of gas diffusion characteristics on a micro porous composite silica ceramic membrane. Composite structures [online], 134, pages 1044-1050. Available from: https://doi.org/10.1016/j.compstruct.2015.07.121

The purpose of this study is to investigate gas permeation behaviour of five gases (CO2, He, H2, N2 and Ar) across two silica modified ceramic membranes, Membrane Y and Membrane Z. An examination of the variations in their layer thickness and flow ra... Read More about A study of gas diffusion characteristics on a micro porous composite silica ceramic membrane..

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..

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

Hydrogen separation using inorganic membranes. (2015)
Journal Article
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..

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)
Journal Article
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..

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)
Journal Article
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..

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..