Catalytic Conversion of Alcohols into Value-Added Products

Vinayagamoorthi, R.; Viswanathan, B.; Krishnamurthy, K. R.

doi:10.1007/978-3-030-65017-9_16

Cited by 1 publication

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“…Linear olefins those with a carbon chain length ranging from C4 to C20 are highly numerous petrochemical intermediates that find extensive applications in the production of a wide highvalue chemicals and polymers (Binhazzaa, 2024;Golub' et al, 2021), these linear olefins have been obtained through energy-intensive and environmentally detrimental processes such as naphtha cracking (Gholami et al, 2021;Jeong et al, 2001) or paraffin dehydrogenation (Jiang et al, 2022;Vora, 2012), with the increasing request for sustainable and environmentally benign alternatives, the catalytic conversion of bio-derived ethanol to linear olefins has appeared as a promising route (Cordon et al, 2022a;Pieta et al, 2021;Vinayagamoorthi et al, 2021), aligning with the principles of green chemistry and the circular economy (Abdussalam-Mohammed et al, 2020;T.-L. Chen et al, 2020;Sheldon, 2024). The transformation of ethanol to linear olefins by catalytical is a complex, many steps process that includes a series of intricate reactions (Sheldon, 2024), including dehydration (Eagan et al, 2019), oligomerization (Dagle et al, 2020), isomerization (Gešvandtnerová et al, 2022), and cracking (Kianfar & Salimi, 2020).…”

Section: Introductionmentioning

confidence: 99%

Catalytic Study for Linear Olefin Formation from Ethanol over Phosphorus-modified Beta-Zeolite Catalysts

Hadi

2024

Preprint

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In this study, we explore the catalytic performance of phosphorus-modified Beta zeolite catalysts for the selective conversion of ethanol to linear olefins, to understand the effects of phosphorus incorporation on the structural, textural, acidic, and hydrophobic properties of the zeolite catalysts, we employed various characterization techniques, such as XRD, N2 physisorption, NH3-TPD, and TGA, the phosphorus-modified Beta zeolites demonstrated enhanced selectivity towards C4-C12 linear olefins, with the P/Beta-5 catalyst (containing 5 wt.% phosphorus) achieving an impressive 72% combined selectivity, we attribute this improved catalytic performance to the moderation of acid site strength and density, as well as the increased hydrophobicity induced by phosphorus modification, these properties effectively suppressed undesired side reactions and promoted the formation of linear olefins through the oligomerization-cracking pathway, we systematically investigated the influence of phosphorus loading and modification method on the catalytic activity, revealing important structure-activity relationships. Based on our experimental findings, we propose a reaction mechanism that highlights the basic role of phosphorus in modulating the reaction pathways, the results of this study give us valuable insights into the design and optimization of phosphorus-modified zeolite catalysts for the efficient and desired production of linear olefins from bio-derived ethanol.

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Section: Introductionmentioning

confidence: 99%

Catalytic Study for Linear Olefin Formation from Ethanol over Phosphorus-modified Beta-Zeolite Catalysts

Hadi

2024

Preprint

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Catalytic Conversion of Alcohols into Value-Added Products

Cited by 1 publication

References 312 publications

Catalytic Study for Linear Olefin Formation from Ethanol over Phosphorus-modified Beta-Zeolite Catalysts

Catalytic Study for Linear Olefin Formation from Ethanol over Phosphorus-modified Beta-Zeolite Catalysts

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