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Predicting multicomponent gas transport in hybrid inorganic membranes. (2021)
Conference Proceeding
GOBINA, E., SHEHU, H. and ORAKWE, I. 2021. Predicting multicomponent gas transport in hybrid inorganic membranes. In Proceedings of the ICANM 2021: 8th International conference and exhibition on advanced and nanomaterials 2021 (ICANM 2021), 9-11 August 2021, [virtual conference]. Ontario: ICANM, pages 47-56.

A repeated dip-coating technique has been used to prepare novel inorganic multilayered membranes. The membranes have been characterizated by Scanning Electron Microscopy (SEM) and nitrogen adsorption (ASAP 2010) respectively. The three-parameter mode... Read More about Predicting multicomponent gas transport in hybrid inorganic membranes..

Comparison of hydrogen transport in dense and porous ceramic membrane systems. (2021)
Presentation / Conference
GOBINA, E., SHEHU, H., ORAKWE, I. and ALKALI, A. 2021. Comparison of hydrogen transport in dense and porous ceramic membrane systems. Presented at 8th International conference and exhibition on advanced and nanomaterials 2021 (ICANM 2021), 9-11 August 2021, [virtual conference].

In this study, hydrogen permeation behaviour was investigated for both dense and porous ceramic composite membranes. Selected porous supports were tested and highly active metallic species was impregnated into the porous structure using the repeated... Read More about Comparison of hydrogen transport in dense and porous ceramic membrane systems..

Thermo-neutral methane reforming using a flow-through porous Rh-impregnated membrane catalyst reactor for carbon capture and utilisation. (2021)
Presentation / Conference
SHEHU, H., ORAKWE, I. and GOBINA, E. 2021. Thermo-neutral methane reforming using a flow-through porous Rh-impregnated membrane catalyst reactor for carbon capture and utilisation. Presented at 8th International conference and exhibition on advanced and nanomaterials 2021 (ICANM 2021), 9-11 August 2021, [virtual conference]

A thermo-neutral process has been developed and tested for the carbon dioxide (CO2) reforming of methane (CH4) with oxygen (O2) and steam (H2O). A catalytic membrane reactor in which the catalytic material is dispersed within the straight through por... Read More about Thermo-neutral methane reforming using a flow-through porous Rh-impregnated membrane catalyst reactor for carbon capture and utilisation..

Transport in catalytically active porous membrane application in seawater deoxygenation for pressure maintenance. (2021)
Presentation / Conference
ORAKWE, I., SHEHU, H. and GOBINA, E. 2021. Transport in catalytically active porous membrane application in seawater deoxygenation for pressure maintenance. Presented at 8th International conference and exhibition on advanced and nanomaterials 2021 (ICANM 2021), 9-11 August 2021, [virtual conference].

In this study, inorganic tubular ceramic membranes with highly-dispersed catalytic metal: palladium and platinum were produced on both meso and macro-porous membranes. The membranes were characterised by energy dispersive x-rays (EDAX), scanning elec... Read More about Transport in catalytically active porous membrane application in seawater deoxygenation for pressure maintenance..

A comparative evaluation of the hydrogen separation, purification and transport behavior of α-alumina membrane and γ-alumina membranes modified with ALOOH sol. (2021)
Presentation / Conference
SHEHU, H., ORAKWE, I. and GOBINA, E. 2021. A comparative evaluation of the hydrogen separation, purification and transport behavior of α-alumina membrane and γ-alumina membranes modified with AlOOH sol. Presented at 8th International conference and exhibition on advanced and nanomaterials 2021 (ICANM 2021), 9-11 August 2021, [virtual conference].

The main purpose of this work is to investigate the hydrogen permeation behavior of a commercial ceramic alumina membrane and compare same with that of a γ-alumina membrane graded with an AlOOH sol using the dip coating method. The permeance of hydro... Read More about A comparative evaluation of the hydrogen separation, purification and transport behavior of α-alumina membrane and γ-alumina membranes modified with ALOOH sol..

An initial study of biogas upgrading to bio-methane with carbon dioxide capture using ceramic membranes. (2020)
Journal Article
OGUNLUDE, P., ABUNUMAH, O., ORAKWE, I., SHEHU, H., MUHAMMAD-SUKKI, F. and GOBINA, E. [2020]. An initial study of biogas upgrading to bio-methane with carbon dioxide capture using ceramic membranes. Catalysis today [online], In Press. Available from: https://doi.org/10.1016/j.cattod.2020.11.006

Supplement to the depleting energy resources and the stringent environmental laws regarding the atmospheric emissions of greenhouse gases, the development of clean and renewable sources of energy has been a great issue. Worldwide, energy usage is ste... Read More about An initial study of biogas upgrading to bio-methane with carbon dioxide capture using ceramic membranes..

Upgrading biogas to biomethane by use of nano-structured ceramic membranes. (2020)
Journal Article
OGUNLUDE, P., ABUNUMAH, O., ORAKWE, I., SHEHU, H., MUHAMMAD-SUKKI, F. and GOBINA, E. 2020. Upgrading biogas to biomethane by use of nano-structured ceramic membranes. Detritus [online], 12, pages 73-77. Available from: https://doi.org/10.31025/2611-4135/2020.13996

In order to meet the demands of growing economies while considering environmental implications, the use of clean and renewable sources of energy has increasingly become of interest. Biogas utilisation is a means by which these rising needs can be met... Read More about Upgrading biogas to biomethane by use of nano-structured ceramic membranes..

Comparative evaluation of the effect of pore size and temperature on gas transport in nano-structured ceramic membranes for biogas upgrading. (2019)
Journal Article
OGUNLUDE, P., ABUNUMAH, O., ORAKWE, I., SHEHU, H., MUHAMMAD-SUKKI, F. and GOBINA, E. 2019. Comparative evaluation of the effect of pore size and temperature on gas transport in nano-structured ceramic membranes for biogas upgrading. WEENTECH proceedings in energy [online], 5(1): proceedings of the 4th International conference on energy, environment and economics (ICEEE2019), 20-22 August 2019, Edinburgh, UK, pages 195-205. Available from: https://doi.org/10.32438/WPE.8319

As a result of rising economies and environmental constraints, the demand for clean and renewable sources of energy is fast increasing. Biogas is a renewable form of energy that fits all expectations in terms of delivery, cost, and greenhouse emissio... Read More about Comparative evaluation of the effect of pore size and temperature on gas transport in nano-structured ceramic membranes for biogas upgrading..

Preparation and characterization of palladium ceramic alumina membrane for hydrogen permeation. (2019)
Journal Article
ORAKWE, I., SHEHU, H. and GOBINA, E. 2019. Preparation and characterization of palladium ceramic alumina membrane for hydrogen permeation. International journal of hydrogen energy [online], 44(20), pages 9914-9921. Available from: https://doi.org/10.1016/j.ijhydene.2019.01.033

In this study, a tubular palladium membrane has been prepared by an electroless plating method using palladium II chloride as a precursor with the intent of not having a completely dense film since its application does not require high hydrogen selec... Read More about Preparation and characterization of palladium ceramic alumina membrane for hydrogen permeation..

Design and testing of an integrated catalytic membrane reactor for deoxygenating water using hydrogen for down-hole injection and process applications. (2018)
Thesis
ORAKWE, I.R. 2018. Design and testing of an integrated catalytic membrane reactor for deoxygenating water using hydrogen for down-hole injection and process applications. Robert Gordon University, PhD thesis.

Water obtained from the sea contains dissolved oxygen (DO) and is considered to be undesirable for use in down-hole water injection or other process applications. The presence of DO leads to corrosion and other related problems and hence the need for... Read More about Design and testing of an integrated catalytic membrane reactor for deoxygenating water using hydrogen for down-hole injection and process applications..

Design and evaluation of gas transport through a zeolite membrane on an alumina support. (2018)
Book Chapter
SHEHU, H., OKON, E., ORAKWE, I. and GOBINA, E. 2018. Design and evaluation of gas transport through a zeolite membrane on an alumina support. In Rashed, M.N. and Palanisamy, P.N. (eds.) Zeolites and their applications. London: IntechOpen [online], chapter 3. Available from: https://doi.org/10.5772/intechopen.75545

This chapter details the synthesis and applications of zeolite membranes (gas separation and zeolite membrane reactors). Gas separation is still not carried out at industrial level for zeolite membranes. Related areas, such as the possibility of inco... Read More about Design and evaluation of gas transport through a zeolite membrane on an alumina support..

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..

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..