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<p>To efficiently address the current high cost associated with preparing pseudo-boehmite from organic aluminum, a low-cost alternative, AlCl<sub>3</sub>, is employed as the raw material. The sol-gel method is utilized, and H<sub>2</sub>O<sub>2</sub> is incorporated for the modification of pseudo-boehmite. The modification mechanism is thoroughly investigated through the use of X-ray powder diffractometer, scanning electron microscope, and BET data analysis, as well as molecular dynamics simulations. Under specific conditions (temperature at 80 °C, pH=7, and H<sub>2</sub>O<sub>2</sub> volume ratios of 0.5:1, 1:1, and 2:1), mesoporous pseudo-boehmite is synthesized with a specific surface area of 227 m<sup>2</sup>/g, a pore volume of 0.281 cm<sup>3</sup>/g, a pore size of 6.78 nm, and a peptizing index of 99.47%. A novel and innovative methodology for the cost-effective production of high-performance alumina is offered through the approach.</p>

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The Preparation of High-performance Mesoporous Proposed Pseudo-boehmite (γ-AlOOH) Modified by H2O2 Based on Molecular Dynamics

  • 期刊论文

  • 发表日期：

    2025年11月27日

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  • Fanbiao Zeng,
  • Zhanwei Liu,
  • Hengwei Yan,
  • Lan Li,
  • Mengnan Li,
  • Mingyi Hu

摘要

To efficiently address the current high cost associated with preparing pseudo-boehmite from organic aluminum, a low-cost alternative, AlCl3, is employed as the raw material. The sol-gel method is utilized, and H2O2 is incorporated for the modification of pseudo-boehmite. The modification mechanism is thoroughly investigated through the use of X-ray powder diffractometer, scanning electron microscope, and BET data analysis, as well as molecular dynamics simulations. Under specific conditions (temperature at 80 °C, pH=7, and H2O2 volume ratios of 0.5:1, 1:1, and 2:1), mesoporous pseudo-boehmite is synthesized with a specific surface area of 227 m2/g, a pore volume of 0.281 cm3/g, a pore size of 6.78 nm, and a peptizing index of 99.47%. A novel and innovative methodology for the cost-effective production of high-performance alumina is offered through the approach.