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This is to certify that your paper entitled «Simulation of selective Para-diethyl benzene production process, economic evaluation and investigation of CO۲ emission» was indexed with 20 pages, in the CIVILICA citation database, code COI:IRCCE12_024, after evaluation and approval of the referees of the "12th International Conference on Chemistry, Chemical Engineering and Petroleum held in Tehran 2024.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above conference and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.