Monodispersed NiO Nanoparticles into SBA-15: An Efficient Nanocatalyst to Produce Ketone-Alcohol (KA) Oil by the Oxidation of Cyclohexane in Mild Conditions

Mohamed Abboud (), Reem S. Alnefaie, Asla A. AL-Zahrani, Nabil Al-Zaqri, Mohammad Abu Haija, Azza Al-Ghamdi, Mabkhoot Alsaiari, Mohammed Jalalah, Omeer Albormani and Mohamed S. Hamdy
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Mohamed Abboud: Catalysis Research Group (CRG), Department of Chemistry, College of Science, King Khalid University, Abha 61413, Saudi Arabia
Reem S. Alnefaie: Catalysis Research Group (CRG), Department of Chemistry, College of Science, King Khalid University, Abha 61413, Saudi Arabia
Asla A. AL-Zahrani: Department of Chemistry, College of Science, Imam Abdulrahman bin Faisal University, Dammam 31441, Saudi Arabia
Nabil Al-Zaqri: Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
Mohammad Abu Haija: Department of Chemistry, Khalifa University of Science and Technology, Abu Dhabi 127788, United Arab Emirates
Azza Al-Ghamdi: Department of Chemistry, College of Science, Imam Abdulrahman bin Faisal University, Dammam 31441, Saudi Arabia
Mabkhoot Alsaiari: Promising Centre for Sensors and Elezctronic Devices (PCSED), Advanced Materials and Nano Research Centre, Najran University, Najran 11001, Saudi Arabia
Mohammed Jalalah: Promising Centre for Sensors and Elezctronic Devices (PCSED), Advanced Materials and Nano Research Centre, Najran University, Najran 11001, Saudi Arabia
Omeer Albormani: Catalysis Research Group (CRG), Department of Chemistry, College of Science, King Khalid University, Abha 61413, Saudi Arabia
Mohamed S. Hamdy: Catalysis Research Group (CRG), Department of Chemistry, College of Science, King Khalid University, Abha 61413, Saudi Arabia

Sustainability, 2023, vol. 15, issue 7, 1-20

Abstract: A simple and efficient approach to preparing highly efficient and reusable NiO@SBA-15 nanocatalysts for the oxidation of cyclohexane to produce ketone-alcohol (KA) oil was reported. These nanocatalysts were prepared by the dispersion of NiO NPs into SBA-15 using a coordination-assisted grafting method. In this approach, four commercially available nickel salts were immobilized into amino-functionalized SBA-15. After washing and calcination, four new nanocatalysts were obtained. The high dispersion of NiO NPs into SBA-15 was confirmed by HR-TEM and XRD. Different oxidants such as O 2 , H 2 O 2 , t -butyl hydrogen peroxide (TBHP), and meta -Chloroperoxybenzoic acid ( m -CPBA) were evaluated. However, m -CPBA exhibited the highest catalytic activity. Compared to different catalysts reported in the literature, for the first time, 75–99% of cyclohexane was converted to KA oil over NiO@SBA-15. In addition, the cyclohexane conversion and K/A ratio were affected by the reaction time, catalyst dose, Ni content, and NiO dispersion. Moreover, NiO@SBA-15 maintained a high catalytic activity during five successive cycles.

Keywords: cyclohexane oxidation; KA oil; monodispersed NiO NPs; amino-functionalized SBA-15; coordination-assisted grafting method; m -CPBA (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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