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Recovery of VOC from offshore and onshore shuttle tankers using structured Y-type zeolite membranes.

Habiba, Shehu; Ajayi, Adebayo; Edidiong, Okon; Gobina, Edward


Shehu Habiba

Adebayo Ajayi

Okon Edidiong

Edward Gobina


Sio-Iong Ao

Haeng Kon Kim

Mahyar A. Amouzegar


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 with a zeolite membrane consisting of an {esc}ga{esc}s - Al2O3 support. The permeance of nitrogen, carbon dioxide, helium, methane and propane through the membrane at varying pressures was determined. The permeance of CH4 was in the range of 1.44 x 10-6 to 3.41 x 10 -6 mols-1m-2Pa-1 and a CH4/C3H8 selectivity of 3.3 at 293 K was obtained. The molar flux of the gases was found to have an average linear regression coefficient value R2 of 0.9892. On the basis of the results obtained it can be concluded that separation of the hydrocarbon gases can be achieved with the zeolite membrane. The main mechanism governing the flow of gases through the zeolite membrane was molecular sieving although there is evidence of deviation from this mechanism. To achieve higher selectivity of the target gas there is need for further modification of the membrane. The morphology of the membrane was determined using the scanning electron microscope, which showed the pore size of the membrane and the support layer.

Start Date Oct 21, 2015
Publication Date May 19, 2017
Publisher Springer (part of Springer Nature)
Pages 541-553
ISBN 9789811027161
Institution Citation 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:
Keywords Characterisation; Gas separation; Membranes; Shuttle tankers; Volatile Organic Compounds; Zeolite


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