Adsorption and catalytic decomposition of dimethyl sulfide on H-BEA zeolite

Oshima, Kazumasa; Kadonaga, Rina; Shiba, Munehiro; Sohmiya, Minoru; Satokawa, Shigeo

doi:10.1016/j.ijhydene.2020.07.106

Cited by 14 publications

(5 citation statements)

References 35 publications

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“…According to the report by Ohshima, DMS decomposition occurred catalytically on the acid site. 32 The proposed mechanism was as follows: (CH 3 ) 2 S + H + -a → CH 3 SH + (CH 3 ) + -a CH 3 SH + (CH 3 ) + -a → H 2 S + CH 4 + C + H + -a …”

Section: Resultsmentioning

confidence: 99%

“…According to the report by Ohshima, DMS decomposition occurred catalytically on the acid site. 32 The proposed mechanism was as follows:…”

Section: Methanethiol Conversion Characteristicsmentioning

confidence: 99%

“…Furthermore, the decrease in the number of strong acid sites due to coking during the decomposition of DMS to CH 4 on the zeolite might have reduced the amount of CH 4 production. [35][36][37] Additionally, the weakening of the property of the acidic sites by substituting Al for Ga suppresses the sequential reaction of ethylene to produce coke on the catalyst. The relatively good performance of H-[Ga]-ZSM-5 (Si/Ga = 200) is assumed to be due to its ability to suppress the formation of by-products and the sequential reaction of ethylene, thereby producing ethylene even with low acidity.…”

Section: Methanethiol Conversion Characteristicsmentioning

confidence: 99%

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Effect of Ga substitution with Al in ZSM-5 zeolite in methanethiol-to-hydrocarbon conversion

et al. 2023

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Section: Resultsmentioning

confidence: 99%

“…According to the report by Ohshima, DMS decomposition occurred catalytically on the acid site. 32 The proposed mechanism was as follows:…”

Section: Methanethiol Conversion Characteristicsmentioning

confidence: 99%

Section: Methanethiol Conversion Characteristicsmentioning

confidence: 99%

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Effect of Ga substitution with Al in ZSM-5 zeolite in methanethiol-to-hydrocarbon conversion

et al. 2023

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“…This is understandable since commonly used sulphur based odorants are toxic to fuel cells, and fuel cells are likely to become a critical end use for hydrogen (Staffell et al, 2019). Hence, a research focus to date has been placed on the desulfurization of odorised gas (Kim et al 2007, Bae et al 2009, Oshima et al 2020. However, our study addresses the lack of investigation into the olfactory response to odorised hydrogen compared to natural gas, for an equivalent end use aimed at combustion appliances.…”

Section: Research Gap In Hydrogen Network Odorisation Assessmentmentioning

confidence: 99%

A comparative study of odorants for gas escape detection of natural gas and hydrogen

Mouli-Castillo¹,

Orr²,

Thomas³

et al. 2021

International Journal of Hydrogen Energy

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“…Therefore, removal of H 2 S and CO 2 from natural gas is typically considered as the first step of the utilization of sour gas for power generation. The natural gas treatment process includes different technique [13][14][15][16][17][18][19][20][21][22][23][24]. (i)…”

mentioning

confidence: 99%

Determination of adsorption and separation of CO2/N2 and H2S/CH4 mixtures in porous materials by molecular simulation

Ploymeerusmee

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The major resources of power plant in the world rely on coal and natural gas which are economical for generating electricity. Flue gases, mainly N2 and�CO2, are produced and released into the atmosphere. The zeolitic imidazolate framework-90 (ZIF-90) obtains a high potential as being a candidate for several applications. Consequently, the basic knowledge of adsorption and diffusion of gases in this material is the key factor of improving this gas separation technique. The effect of adsorbed CO2 molecules on the lattice structure of ZIF-90 can lead to gate opening depending on the amount of adsorbed guest molecules and the temperature but this is not observed for N2 molecules. The window diameter is increased up to�4.43 ? with increasing�temperature. The separation factors�of the CO2/N2 mixture in form of adsorption and�diffusion selectivity�show�the highest values of about 6 and 12 at 298 K, respectively. In addition, the second major feedstock for power plants is natural gas which must be freed from H2S before�using. All investigated materials are suited for the separation, but with different efficiency. For MIL-127(Fe) the CH4/H2S selectivity reaches values of about 250 at 2 bar and 250 K. The results can be initially concluded that the potential energy of each gas/material pair, free space inside the material and metal oxide are important keys for adsorption and separation of H2S from CH4.

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Adsorption and catalytic decomposition of dimethyl sulfide on H-BEA zeolite

Cited by 14 publications

References 35 publications

Effect of Ga substitution with Al in ZSM-5 zeolite in methanethiol-to-hydrocarbon conversion

Effect of Ga substitution with Al in ZSM-5 zeolite in methanethiol-to-hydrocarbon conversion

A comparative study of odorants for gas escape detection of natural gas and hydrogen

Determination of adsorption and separation of CO2/N2 and H2S/CH4 mixtures in porous materials by molecular simulation

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