Remediation of soil contaminated by toxic rocket fuel components using modified carbon–mineral adsorbing material produced from shungite rock modified with Mn4＋ and Fe3＋


Efremov S. Nechipurenko S. Tokmurzin D. Kaiaidarova A. Kalugin S. Tassibekov K.
November 2021Elsevier B.V.

Environmental Technology and Innovation
2021#24

The study develops a novel catalytic adsorption material for remediation of soils contaminated by toxic rocket fuel components (RFC). Modified carbon–mineral material (MCMM) sorbent is produced using shungite rock and modified using iron (III) chloride and manganese (IV) oxide. MCMM production process is developed, and MCMM remediation efficiency is tested using soil samples from rocket separating parts impact sites with RFCs contamination. The structure of shungite and the physicochemical parameters of MCMM, the soils contamination at the impact areas of the rocket separating parts, and the ways rocket fuel components transformation in the soil were investigated. The obtained MCMM showed the efficiency of sorption and catalytic decomposition of the rocket fuel transformation products and determined the optimal conditions for remediation. The index of soil detoxification at a concentration of the analyzed decay products is from 0.1 mg/kg to 3.21 mg/kg is from 81.1 to 98.8%.

East Kazakhstan shungites , Modified carbon–mineral materials , Rocket fuel components , Soil remediation , Unsymmetrical dimethylhydrazine

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Center of Physical Chemical Methods of Research and Analysis, Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, 96a Tole-bi street, Almaty, 050012, Kazakhstan
Clean Fuel Research Laboratory, Korea Institute of Energy Research (KIER), 152 Gajeong-ro, Yuseong-gu, Daejeon, 34129, South Korea
Al-Farabi Kazakh National University, 71 al-Farabi ave., Almaty, 050040, Kazakhstan

Center of Physical Chemical Methods of Research and Analysis
Clean Fuel Research Laboratory
Al-Farabi Kazakh National University

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