Assessing the Impact of Water Integration on Water Resource Management in Central Asia─A Case Study of Kazakhstani Industry


Radelyuk I. Jia X. Tan R.R. Yelubay M. Baimatova N.
14 March 2025American Chemical Society

ACS ES and T Water
2025#5Issue 31112 - 1124 pp.

This study presents a pioneering attempt to employ a water allocation optimization modeling coupled with a cost-based quantitative-qualitative water footprint (QQWF) approach in a Central Asian country, using the oil refinery industry of Kazakhstan as a representative case study. The QQWF method assesses the costs of water consumption and contamination removal associated with refining one ton of crude oil, considering scenarios of increased tariffs, mathematical optimization, and enhanced water regeneration efficiency. Results show that the state-of-the-art water consumption (32.8%) contributed less to the total QQWF (0.67 USD) than contaminant removal costs (67.2%). Hydrocarbon removal accounted for 71.1% of the qualitative footprint, highlighting the considerable loading of crude oil residues in the wastewater. Scenario simulations revealed a substantial increase (15.6-fold) in the QQWF under increased water tariffs, suggesting the potential of economic instruments for water conservation. Improved efficiency of water regeneration units could achieve a 12% reduction in the QQWF, underlining the importance of wastewater treatment technologies for promoting water reuse within industries. The findings demonstrated the importance of robust, comprehensive incentives to drive the shift toward sustainable water use in industry, particularly within the context of Kazakhstan and Central Asian economies.

climate change adaptation , environmental resilience , oil refinery , water footprint , water integration , water tariffs

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Department of Chemistry and Chemical Technology, Toraighyrov University, 64 Lomov str., Pavlodar, 140000, Kazakhstan
Center of Physical Chemical Methods of Research and Analysis, Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, 71/23 Al-Farabi Ave, Almaty, 050038, Kazakhstan
Institute of Process Engineering, Faculty of Mechanical Engineering, Brno University of Technology − VUT Brno, Technická 2896/2, Brno, 616 00, Czech Republic
Department of Chemical Engineering, De La Salle University, Manila, 0922, Philippines

Department of Chemistry and Chemical Technology
Center of Physical Chemical Methods of Research and Analysis
Institute of Process Engineering
Department of Chemical Engineering

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