A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 111974-74-4, Name is 11-(1-Piperazinyl)-dibenzo[b,f][1,4]thiazepine dihydrochloride, molecular formula is C17H19Cl2N3S. In an article, author is Ghalib, Lubna,once mentioned of 111974-74-4, Computed Properties of C17H19Cl2N3S.
Modeling the rate of corrosion of carbon steel using activated diethanolamine solutions for CO2 absorption
A mechanistic model is developed to investigate the influence of an activator on the corrosion rate of carbon steel in the absorption processes of carbon dioxide (CO2). Piperazine (PZ) is used as the activator in diethanolamine (DEA) aqueous solutions. The developed model for corrosion takes into consideration the effect of fluid flow, transfer of charge and diffusion of oxidizing agents and operating parameters like temperature, activator concentration, CO2 loading and pH. The study consists of two major models: Vapor-liquid Equilibrium (VLE) model and electrochemical corrosion model. The electrolyte-NRTL equilibrium model was used for determination of concentration of chemical species in the bulk solution. The results of speciation were subsequently used for producing polarization curves and predicting the rate of corrosion occurring at the surface of metal. An increase in concentration of activator, increases the rate of corrosion of carbon steel in mixtures of activated DEA. (C) 2020 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.
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Reference:
Piperazine – Wikipedia,
,Piperazines – an overview | ScienceDirect Topics