Now showing items 18-37 of 40

  • An initial investigation of a nano-composite silica ceramic membrane for hydrogen gas separation and purification. 

    Nwogu, Ngozi Claribelle; Anyanwu, Emmanuel Enyioma; Gobina, Edward (Elsevier http://dx.doi.org/10.1016/j.ijhydene.2015.11.162, 2016-01-27)
    NWOGU, N.C., ANYANWU, E.E. and GOBINA, E. 2016. An initial investigation of a nano-composite silica ceramic membrane for hydrogen gas separation and purification. International journal of hydrogen energy [online], 41(19), pages 8228-8235. Available from: http://dx.doi.org/10.1016/j.ijhydene.2015.11.162
    The effects of trans-membrane pressure difference on hydrogen recovery are investigated on a preliminary basis. The membrane has been developed for high temperature hydrogen separation from CH4, N2, and Ar gas molecules. ...
  • Initial study of heterogeneous catalysts behaviour and carrier gas permeation with catalytic inorganic ceramic membrane for lactic acid esterification applications. 

    Okon, Edidiong; Gobina, Edward (Newswood Limited http://www.iaeng.org/publication/WCE2015/WCE2015_pp1287-1291.pdf, 2015-07-01)
    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. Lecture notes in engineering and computer science: proceedings of the world congress on engineering 2015 (WCE 2015) [online], Vol II, 1-3 July 2015, London, UK. Hong Kong: Newswood Limited, 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 ...
  • An initial study of single gas permeation using a commercial alumina membrane. 

    Orakwe, Ifeyinwa; Nwogu, Ngozi Claribelle; Kajama, Mohammed; Shehu, Habiba; Okon, Edidiong; Gobina, Edward (Newswood Limited http://www.iaeng.org/publication/WCE2015/WCE2015_pp737-739.pdf, 2015-07-01)
    ORAKWE, I.R., NWOGU, N.C., KAJAMA, M., SHEHU, H., OKON, E. and GOBINA, E. 2015. An initial study of single gas permeation using a commercial alumina membrane. Lecture notes in engineering and computer science: Proceedings of the world congress on engineering 2015 (WCE 2015) [online], 1-3 July 2015, London, UK. Hong Kong: Newswood Limited, pages 737-739. Available from: http://www.iaeng.org/publication/WCE2015/WCE2015_pp737-739.pdf
    An initial study has been conducted using a commercially available alumina membrane. The study is based on single gas permeation method involving He, O2, CO2 and N2. The effect of trans membrane pressure drop, gas molecular ...
  • Integration of gas transport through a composite catalytic inorganic ceramic membrane for environmental gas separation processes. 

    Nwogu, Ngozi Claribelle; Okon, Edidiong; Gobina, Edward (MC College, Department of Mathematics, Scientific Research Forum http://ijset.com/ijset/publication/v3s9/IJSET_2014_914.pdf, 2014-09-01)
    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/ijset/publication/v3s9/IJSET_2014_914.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 ...
  • Morphological characterization and gas permeation of commercially available ceramic membrane. 

    Orakwe, Ifeyinwa; Nwogu, Ngozi Claribelle; Gobina, Edward (Newswood Limited, International Association of Engineers, IAENG http://www.iaeng.org/publication/WCECS2015/, 2015-10-21)
    ORAKWE, I., NWOGU, N.C. and GOBINA, E. 2015. Morphological characterization and gas permeation of commercially available ceramic membrane. Lecture notes in engineering and computer science: the Proceedings of the world congress on engineering and computer science 2015 (WCECS 2015), 21 - 23 October 2015, San Francisco, USA. Hong Kong: Newswood Limited, International Association of Engineers, IAENG [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 γ-alumina mesoporous tubular membrane has been used. Nitrogen adsorption-desorption, ...
  • Multi-layer silica ceramic membrane for flue gas and natural gas separations. 

    Nwogu, Ngozi Claribelle; Orakwe, Ifeyinwa; Gobina, Edward (Newswood Limited, International Association of Engineers, IAENG http://www.iaeng.org/publication/WCECS2015/, 2015-10-21)
    NWOGU, N.C., ORAKWE, I.R. and GOBINA, E. 2015. Multi-layer silica ceramic membrane for flue gas and natural gas separations. Lecture notes in engineering and computer science: the Proceedings of the world congress on engineering and computer science 2015 (WCECS 2015), 21 - 23 October 2015, San Francisco, USA. Hong Kong: Newswood Limited, International Association of Engineers, IAENG [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 ...
  • Performance evaluation of an inventive CO2 gas separation inorganic ceramic membrane. 

    Nwogu, Ngozi Claribelle; Kajama, Mohammed; Gobina, Edward (World Academy of Science, Engineering and Technology http://scholar.waset.org/1999.2/10001660, 2015-06-30)
    NWOGU, N., KAJAMA, M. and GOBINA, E., 2015. Performance evaluation of an inventive CO2 gas separation inorganic ceramic membrane. World Academy of Science, Engineering and Technology, International Science Index 102: International journal of chemical, molecular, nuclear, materials and metallurgical engineering [online], 9(6), pp. 662-665. 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 ...
  • Preparation and characterization of inorganic membranes for hydrocarbon separation from N2 for environmental applications. 

    Kajama, Mohammed; Shehu, Habiba; Okon, Edidiong; Gobina, Edward (Canadian Center of Science and Education (CCSE) http://dx.doi.org/10.5539/eer.v5n1p110, 2015-05-20)
    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: http://dx.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 ...
  • Preparation and characterization of inorganic membranes for hydrogen separation. 

    Kajama, Mohammed; Nwogu, Ngozi Claribelle; Gobina, Edward (Elsevier https://dx.doi.org/10.1016/j.ijhydene.2015.11.179, 2016-02-06)
    KAJAMA, M.N. NWOGU, N.C. and GOBINA, E. 2016. Preparation and characterization of inorganic membranes for hydrogen separation. International journal of hydrogen energy [online], 41(19), pages 8221-8227. Available from: https://dx.doi.org/10.1016/j.ijhydene.2015.11.179
    A tubular commercially available alumina support was coated using the dip coating technique. The objective is to prepare silica and Pt impregnated membranes. Scanning electron microscopy (SEM), energy diffraction X-ray ...
  • Preparation, characterization and testing of inorganic ceramic membranes. 

    Ogbuke, Ikechukwu (Robert Gordon University Faculty of Design and Technology, School of Engineering, 2013-10-01)
    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 ...
  • Propylene oxidation using Pt-alumina impregnated catalytic membrane reactor. 

    Kajama, Mohammed; Nwogu, Ngozi Claribelle; Gobina, Edward (Newswood Limited http://www.iaeng.org/publication/WCE2015/WCE2015_pp900-903.pdf, 2015-07-01)
    KAJAMA, M., NWOGU, N. and GOBINA, E. 2015. Propylene oxidation using Pt-alumina impregnated catalytic membrane reactor. Lecture notes in engineering and computer science: Proceedings of the world congress on engineering 2015 (WCE 2015) [online], Vol II, 1-3 July 2015, London, UK. Hong Kong: Newswood Limited, pages 900-903. Available from: http://www.iaeng.org/publication/WCE2015/WCE2015_pp900-903.pdf
    Pt/γ-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 ...
  • Purification of gases using nanoporous inorganic membranes. 

    Kajama, Mohammed; Shehu, Habiba; Gobina, Edward (MC College, Department of Mathematics, Scientific Research Forum http://ijset.com/ijset/publication/v3s9/IJSET_2014_908.pdf, 2014-09-01)
    KAJAMA, M.N., SHEHU, H. and GOBINA, E. Purification of gases using nanoporous inorganic membranes. International journal of scientific engineering and technology [online], 3(9), pages 1156-1159. Available from: http://ijset.com/ijset/publication/v3s9/IJSET_2014_908.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 ...
  • Recovery of VOC from offshore and onshore shuttle tankers using structured Y-type zeolite membranes. 

    Habiba, Shehu; Ajayi, Adebayo; Okon, Edidiong; Gobina, Edward (Springer https://doi.org/10.1007/978-981-10-2717-8_38, 2017-03-13)
    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, SI., Kim, H.K. and Amouzegar, M.A. (eds.) Transactions on engineering technologies: revised selections from proceedings of the World congress on engineering and computer science 2015 (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. ...
  • Recovery of VOC from onshore and offshore shuttle tankers using structured membranes. 

    Ajayi, Adebayo; Shehu, Habiba; Gobina, Edward (Newswood Limited, International Association of Engineers, IAENG http://www.iaeng.org/publication/WCECS2015/, 2015-10-21)
    AJAYI, A., SHEHU, H. and GOBINA, E. 2015. Recovery of VOC from onshore and offshore shuttle tankers using structured membranes. Lecture notes in engineering and computer science: the Proceedings of the world congress on engineering and computer science 2015 (WCECS 2015), 21 - 23 October 2015, San Francisco, USA. Hong Kong: Newswood Limited, International Association of Engineers, IAENG [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. ...
  • Resin characterization and tubular membrane transport with single gases for ethyl lactate separations for industrial purposes. 

    Okon, Edidiong; Shehu, Habiba; Nwogu, Ngozi Claribelle; Kajama, Mohammed; Orakwe, Ifeyinwa; Gobina, Edward (Scientific Research Publishing https://dx.doi.org/10.4236/msce.2015.39002, 2015-09-08)
    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, pages 8-14. Available from: https://dx.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 ...
  • Structural characteristic and permeation of gases through a supported silica inorganic ceramic membrane. 

    Nwogu, Ngozi Claribelle; Kajama, Mohammed; Osueke, Godson; Gobina, Edward (Newswood Limited http://www.iaeng.org/publication/WCE2015/WCE2015_pp245-248.pdf, 2015-10-21)
    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. Lecture notes in engineering and computer science: the Proceedings of the world congress on engineering 2015 (WCE 2015), 1-3 July 2015, London, UK. 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 ...
  • A study of gas diffusion characteristics on a micro porous composite silica ceramic membrane. 

    Nwogu, Ngozi Claribelle; Kajama, Mohammed; Gobina, Edward (Elsevier http://dx.doi.org/10.1016/j.compstruct.2015.07.121, 2015-12-15)
    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, Vol. 134, pp. 1044-1050.
    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 ...
  • Synthesis of gas transport through nano composite ceramic membrane for esterification and volatile organic compound separations. 

    Okon, Edidiong; Shehu, Habiba; Gobina, Edward (David Publishing http://dx.doi.org/10.17265/2161-623X/2014.11.007, 2014-11-25)
    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: http://dx.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 ...
  • Unconventional composite inorganic membrane fabrication for carbon emissions mitigation. 

    Nwogu, Ngozi Claribelle; Osueke, Godson; Hossain, Mamdud; Gobina, Edward (WASET http://scholar.waset.org/1999.6/10001433, 2015-05-01)
    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 use of nano-composite ceramic membranes for gas separations. 

    Shehu, Habiba; Okon, Edidiong; Gobina, Edward (Newswood Limited http://www.iaeng.org/publication/WCE2015/WCE2015_pp1225-1229.pdf, 2015-07-01)
    SHEHU, H., OKON, E. and GOBINA, E. 2015. The use of nano-composite ceramic membranes for gas separations. Lecture notes in engineering and computer science: Proceedings of the world congress on engineering 2015 (WCE 2015) [online], Vol II, 1-3 July 2015, London, UK. Hong Kong: Newswood Limited, 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. ...