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Resistance of industrial nickel-containing methanation catalysts to the poisoning by organic carbon dioxide absorbents
Abstract
We report the results of studies on the influences of the organic carbon dioxide absorbent – aqueous solution of activated methyldiethanolamine (MDEA) – on the physico-chemical and mechanical characteristics of nickel-alumina catalyst NIAP-07-01 (NKM-1) and cement-containing catalysts NIAP-07-07 (NKM-7), Meth-134 and Meth-135 for the hydrogenation of carbon oxide (methanation). It is established that for the nickel-alumina and nickel-cement-containing catalysts subjected to activated methyldiethanolamine (MDEA) it’s possible to restore their strength and catalytic properties. In order to increase the time of operation of the methanator it is recommended to apply a new Nickel cement-containing catalyst NIAP-07-07 (NKM-7), which can be produced as tablets, rings or extrudates.
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DOI: https://doi.org/10.15826/chimtech/2017.4.3.02
Copyright (c) 2017 V. N. Efremov, E. Z. Golosman, A. V. Kashinskaya, T. I. Mugenov, V. E. Zolotareva, B. I. Polivanov, A. P. Polushin
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