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. 2018 Sep 24;23(10):2442. doi: 10.3390/molecules23102442

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Acetylene conversion X (black symbols, left axis) and ethane time yield Y (gray symbols, right axis) as functions of temperature for: Left monometallic Pt/SiO₂ (circles) and DDA-Pt/SiO₂ (stars) catalysts. Right Pt/SiO₂ (filled symbols), Pt/Sn(1:1)/SiO₂ as prepared (half-filled symbols), and PtSn(1:1)/SiO₂ prereduced (empty symbols) catalysts. Acetylene conversion is given by the difference in the reactor inlet and outlet concentrations in vol %. Ethane yield is given by vol % of ethane in the reactor off-gas. Reaction conditions: 0.5 vol % C₂H₂; 1 vol % H₂; 70 vol % C₂H₄; rest N₂; flow velocity 50 mLmin⁻¹ (reproduced with permission from [304]. Copyright 2013 WILEY-VCH Verlag GmbH & Co. KGaA).