2013
DOI: 10.2166/wst.2012.566
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Biogas desulfurization and biogas upgrading using a hybrid membrane system – modeling study

Abstract: Membrane gas permeation using glassy membranes proved to be a suitable method for biogas upgrading and natural gas substitute production on account of low energy consumption and high compactness. Glassy membranes are very effective in the separation of bulk carbon dioxide and water from a methane-containing stream. However, the content of hydrogen sulfide can be lowered only partially. This work employs process modeling based upon the finite difference method to evaluate a hybrid membrane system built of a com… Show more

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Cited by 20 publications
(7 citation statements)
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“…High CH 4 /H 2 S separation can be achieved by selecting a special, rubbery, polymeric membrane material. This technique is very attractive for biogas with H 2 S content higher than 2% [112].…”
Section: Removal Of Hydrogen Sulfidementioning
confidence: 99%
“…High CH 4 /H 2 S separation can be achieved by selecting a special, rubbery, polymeric membrane material. This technique is very attractive for biogas with H 2 S content higher than 2% [112].…”
Section: Removal Of Hydrogen Sulfidementioning
confidence: 99%
“…Polyethersulfone (PESU) membrane with 35.5 selectivity of CO2/CH4 is sufficient for biogas enhancement of the membrane process with two-step. The effect of CO2/CH4 selectivity as well as the area of membrane towards separation performance was investigated by Makaruk et al [138]. Investigation on biogas enhancement with the flow rate of feed gas of 1000 Nm 3 /h, methane concentration of feed gas of 60%, as well as product gas of 98% methane was conducted.…”
Section: Future Perspectivesmentioning
confidence: 99%
“…Xu Ying and others have studied the biological desulfurization technology of biogas, and put forward the research progress of several biological desulfurization technologies [32]. Makaruk A. et al discussed the desulfurization process of biogas purification in detailed [33][34][35][36][37][38][39]. Wei G. et al propose another form of ten similarity measures by considering the function of membership degree, non-membership degree, and indeterminacy membership degree between the q-ROFSs on the basis of the traditional cosine similarity measures and cotangent similarity measures [40].…”
Section: Introductionmentioning
confidence: 99%