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This is to certify that your paper entitled «CFD-Based Numerical Simulation and Optimization of a Chlorine Contact Tank Compartment» was indexed with 6 pages, in the CIVILICA citation database, code COI:ISME34_139, after evaluation and approval of the referees of the "34th Annual International Conference on Mechanical Engineering of Iran (ISME 2026) held in Hamadan 2026.

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.