2018
DOI: 10.1021/acs.iecr.8b00710
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Feasibility of Siloxane Removal from Biogas Using an Ultraviolet Photodecomposition Technique

Abstract: The goal of this study is to assess the technical feasibility of remediating siloxane contaminants in biogas via a photochemical process. Specifically, we studied in the laboratory a process that involves the use of an ultraviolet (UV) photodecomposition reactor (PhoR) to convert siloxane trace impurities, commonly found in biogas produced in water treatment plants and landfills, into silica particulates. These can then be effectively removed from the reactor effluent with the use of a downstream filter. High … Show more

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Cited by 25 publications
(23 citation statements)
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“…25 Researches over methods of removing VMSs from biogas reveals three more completely new ways of cleaning biogas. The first of these is ultraviolet photodecomposition, 26 in which silicon compounds are already removed from the production waste. The second method is based on peroxidation, 27 where the removal efficiency of D4 and D5 is up to 50% and the third anode is solid oxide fuel cell anode degradation, 28 however, the efficiency of Si-contaminants removal for proposed solutions was up to 25% or was more efficient for chosen types of siloxanes.…”
Section: Other Methods Of Vmss Removal From Biogasmentioning
confidence: 99%
“…25 Researches over methods of removing VMSs from biogas reveals three more completely new ways of cleaning biogas. The first of these is ultraviolet photodecomposition, 26 in which silicon compounds are already removed from the production waste. The second method is based on peroxidation, 27 where the removal efficiency of D4 and D5 is up to 50% and the third anode is solid oxide fuel cell anode degradation, 28 however, the efficiency of Si-contaminants removal for proposed solutions was up to 25% or was more efficient for chosen types of siloxanes.…”
Section: Other Methods Of Vmss Removal From Biogasmentioning
confidence: 99%
“…Optimized models can be used for better accuracy. [131][132][133][134][135][136][137][138][139][140][141][142][143][144][145][146][147][148][149]…”
Section: Methodsmentioning
confidence: 99%
“…[83] Photochemical, not photocatalytic, approaches are being developed and considered for siloxanes removal. [84] In the first published effort, a ZnO-coated aluminum anode has recently been demonstrated to photo-electrodegrade cyclic siloxanes (Figure 8). [85] As with these and other approaches, including photocatalysis, there are substantial hurdles to overcome on the deactivation of sorbents and catalysts regardless of technology due to the poisoning effect of Si/SiO 2 on surface of the host solids.…”
Section: Siloxanesmentioning
confidence: 99%