Table 9.

The most cited papers in the field of membrane paraffin/olefin gas separations.

Ranking	Paper	Separated Gases	Type of Membrane (Name)	Citations	Ref.
1	Hydrocarbon Separations in a Metal-Organic Framework with Open Iron(II) Coordination Sites Authors: Bloch, E.D., Queen, W.L., Krishna, R., Zadrozny, J.M., Brown, C.M., Long, J.R. Source: Science (2012)	Ethylene/Ethane Propane/Propane	MOF (Fe2(dobdc))	1008	[101]
2	Pushing the limits on possibilities for large scale gas separation: which strategies? Authors: Koros, W.J., Mahajan, R. Source: Journal of Membrane Science (2000)	Olefin/Paraffin Others	Various (Review)	829	[102]
3	Gas solubility, diffusivity and permeability in poly(ethylene oxide) Authors: Lin, H., Freeman, B.D. Source: Journal of Membrane Science (2004)	Ethylene/Ethane Propylene/Propane Others	Polymer (PEO)	627	[103]
4	Olefin/Paraffin Separation Technology: A Review Author: Eldridge, R.B. Source: Industrial and Engineering Chemistry Research (1993)	Olefin/Paraffin	Various (Review)	580	[1]
5	Application of membrane separation processes in petrochemical industry: a review Authors: Ravanchi, M.T., Kaghazchi, T., Kargari, A. Source: Desalination (2009)	Propylene/Propane	Polymer (6FDA-DDBT)	487	[53]
6	Title: Zeolitic Imidazolate Frameworks for Kinetic Separation of Propane and Propene Author(s): Li, K., Olson, D.H., Seidel, J., Emge, T.J., Gong, H., Zeng, H., Li, J. Source: Journal of the American Chemical Society (2009)	Propylene/Propane	MOF (ZIF-8)	466	[104]
7	Title: Ethane/Ethene Separation Turned on Its Head: Selective Ethane Adsorption on the Metal-Organic Framework ZIF-7 through a Gate-Opening Mechanism. Author(s): Gücüyener, C., Bergh, J.V.D., Gascon, J., Kapteijn, F. Source: Journal of the American Chemical Society (2010)	Ethylene/Ethane	MOF (ZIF-7)	408	[77]
8	Title: Olefin/Paraffin Separations by Reactive Absorption: A Review Author(s): Safarik, D.J., Eldridge, R.B. Source: Industrial and Engineering Chemistry Research (1998)	Olefin/Paraffin	Absorbent (Review)	312	[105]