Preparation of aurum chloride complex and its use for industrial acetylene hydration catalyst process

Authors

DOI:

https://doi.org/10.15587/1729-4061.2022.260279

Keywords:

homogeneous metal complex catalysis, gold, triphenylphosphine, hydration, acetylene, acetaldehyde, phenylacetylene, acetophenone

Abstract

The use of a modern homogeneous metal complex catalyst for the hydration of acetylenes is being investigated. The process is relevant both for the industry of basic organic synthesis and for the perfume industry. The analysis of existing processes used in industry for the production of acetaldehyde was carried out. Significant shortcomings of existing processes are revealed: low environmental friendliness and high energy consumption. To solve this problem, the reaction of hydration of an acetylene compound was studied using a modern homogeneous catalyst based on gold, which is not toxic. The study was conducted by selecting aliquots during the reaction. Using the 1H NMR spectroscopy method, the conversion values of phenylacetylene were calculated for the time values corresponding to the moments of aliquot sampling. The reaction order with respect to phenylacetylene was calculated and the reaction constant under the reaction conditions was calculated. When reacting in the presence of the proposed catalyst, a conversion of phenylacetylene of 86.96 % is achieved in 3 hours. The data obtained provide grounds for carrying out the process of catalytic hydration of acetylenes, namely phenylacetylene, with the production of acetophenone, which is important for use in the perfume industry. The data obtained can be applied to the process of hydration of acetylene with the formation of acetaldehyde, which is widely used in the industry of basic organic synthesis. For the process of catalytic hydration of acetylene compounds, a hardware design is proposed, a gas-liquid reactor with a changing hydrodynamic situation, which, together with the product separation column, is combined into a single installation. Using an optimized method, a catalyst based on gold chloride was synthesized from a gold alloy.

Author Biographies

Ivan Kokhan, Volodymyr Dahl East Ukrainian National University

Postgraduate Student

Department of Chemical Engineering and Ecology

Sergey Kudryavtsev, Volodymyr Dahl East Ukrainian National University

PhD, Associate Professor

Department of Chemical Engineering and Ecology

Danylo Merzhyievskyi, V. P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry National Academy of Sciences of Ukraine

Postgraduate Student

Department No. 2, Chemistry of Bioactive Nitrogen Heterocyclic Bases

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Published

2022-06-30

How to Cite

Kokhan, I., Kudryavtsev, S., & Merzhyievskyi, D. (2022). Preparation of aurum chloride complex and its use for industrial acetylene hydration catalyst process. Eastern-European Journal of Enterprise Technologies, 3(6(117), 14–22. https://doi.org/10.15587/1729-4061.2022.260279

Issue

Vol. 3 No. 6(117) (2022): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2022 Ivan Kokhan, Sergey Kudryavtsev, Danylo Merzhyievskyi

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