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Indiscriminate disposal of used cooking oil has posed major danger to environmental sustainabilitySustainability, soil quality, and agricultural productivity. Special innovation and environmental techniques are required to remedy oil polluted soil. This study was aimed at exploring the remediationRemediation of oil-polluted soilOil-polluted soil using coir-hydrated silica nanoparticlesCoir-hydrated silica nanoparticles to enhance maizeMaize cultivation. Three coir-hydrated silica nanoparticles were synthesized in ratios 3:7, 1:1, and 7:3 using bottom-up approachBottom-up approach. The synthesized nanoparticles were mixed with oil-polluted soil in ratio 1:20 and three maize seeds were planted in five nursery polyethylene bags labelled. The result shows that nanoparticles enhanced soil quality and maizeMaize growth in treated oil-polluted soilOil-polluted soil. However, nanoparticle effectiveness varied with composite ratio, 7:3 ratio has a promising effect in long-term soil remediation, 1:1 ratio is suitable in early remediation. To improve soil regeneration and long-term plant health, future research should concentrate on correcting nutrient imbalances, refining water management, and optimizing nanoparticle compositions.

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Effect of Hydrated Silica-Coir-Based Nanoparticles on the Remediation of Waste Cooking Oil Contaminated Soil for Maize (Zea mays) Cultivation

  • 会议论文

  • 发表日期：

    2026年

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  • J. O. Onaifo,
  • E. U. Ikhuoria,
  • G. O. Otabor,
  • D. B. Ilegbinijie,
  • H. I. Ifijen

摘要

Indiscriminate disposal of used cooking oil has posed major danger to environmental sustainabilitySustainability, soil quality, and agricultural productivity. Special innovation and environmental techniques are required to remedy oil polluted soil. This study was aimed at exploring the remediationRemediation of oil-polluted soilOil-polluted soil using coir-hydrated silica nanoparticlesCoir-hydrated silica nanoparticles to enhance maizeMaize cultivation. Three coir-hydrated silica nanoparticles were synthesized in ratios 3:7, 1:1, and 7:3 using bottom-up approachBottom-up approach. The synthesized nanoparticles were mixed with oil-polluted soil in ratio 1:20 and three maize seeds were planted in five nursery polyethylene bags labelled. The result shows that nanoparticles enhanced soil quality and maizeMaize growth in treated oil-polluted soilOil-polluted soil. However, nanoparticle effectiveness varied with composite ratio, 7:3 ratio has a promising effect in long-term soil remediation, 1:1 ratio is suitable in early remediation. To improve soil regeneration and long-term plant health, future research should concentrate on correcting nutrient imbalances, refining water management, and optimizing nanoparticle compositions.