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A COST- AND ECO‑EFFICIENT COMPOSITE SORPTION MAT FOR THE REMEDIATION OF OIL‑ AND ACID‑CONTAMINATED SOILS

Kazarezov Andrey Antonovich  (Postgraduate Novosibirsk State Technical University (NSTU) )

Larichkin Vladimir Victorovich  (Ph.D.(Engineering) Professor Novosibirsk State Technical University (NSTU) )

The paper reports the development of a multifunctional sorption mat composed of saw‑dust waste, activated carbon, vermiculite, silica gel and limestone flour encapsulated in geotextile. The mat exhibited an oil sorption capacity of 82–85 g/g, retained 42 g/g after three squeezing cycles, and neutralised 0.40 L of 36 wt % H₂SO₄ per 100 g of sorbent within 30 min (final pH ≥ 6.5). Production costs are 34 % lower than those of commercial polypropylene mats. The results demonstrate the feasibility of utilising industrial by‑products for integrated remediation of oil‑ and acid‑contaminated soils.

Keywords:oil spill, lead‑acid battery electrolyte, composite sorbent, reuse.
 

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Citation link:
Kazarezov A. A., Larichkin V. V. A COST- AND ECO‑EFFICIENT COMPOSITE SORPTION MAT FOR THE REMEDIATION OF OIL‑ AND ACID‑CONTAMINATED SOILS // Современная наука: актуальные проблемы теории и практики. Серия: Естественные и Технические Науки. -2025. -№07. -С. 17-21 DOI 10.37882/2223-2966.2025.07.18
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