<p>Currently, pollution and industrial effluents are depleting soil, water, and aquatic life. Piezoelectric materials are considered potential agents to these problems. Among these Ba<sub>0.85</sub>Ca<sub>0.15</sub>Zr<sub>0.10</sub>Ti<sub>0.90</sub>O<sub>3</sub>&#xa0;(BCZT) and SrFe<sub>12</sub>O<sub>19</sub> (SrH) are materials having piezoelectric and magnetic properties prepared by solid state synthesis. The major peaks of compositions were confirmed by x-ray diffraction (XRD) and metallic ions with functional groups were confirmed by Fourier Transform Infrared Spectroscopy (FTIR). The particle size distribution authenticates BCZT powder ~ 2&#xa0;µm and SrH are in the range of 1–1.9&#xa0;µm. The circular morphology of nano-filters was confirmed by Field Emission Scanning Electron Microscopy (FE-SEM). The mechanism of piezocatalysis was governed by ultrasonic vibrations to degrade dyes. For this BCZT and SrH nano sized filters were utilized to degrade methyl orange (MO) and phenol blue (PB) dyes. The maximum degradation is ~ 67% observed for methyl orange with SrH nano-filters in 40&#xa0;min sonication time and for BCZT ~ 46% in 30&#xa0;min respectively. The redox reactions at the expense of energy explain the phenomenon of producing hydrogen (H<sub>2</sub>). The work will help in the applications to produce energy with clean environment from piezo catalytic materials.</p>

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Sustainable water redemption by barium calcium zirconium titanate (Ba0.85Ca0.15Zr0.10Ti0.90O3) and strontium hexaferrite (SrFe12O19) of organic pollutants through piezocatalysis

  • Muhammad Kashif,
  • Ali Alamry,
  • Muhammad Salman Habib,
  • Muhammad Asif Rafiq,
  • Wai Yie Leong,
  • Adnan Maqbool,
  • Muhammad Zubair,
  • Imran Hussain Khan,
  • Ali Ahmad Khan

摘要

Currently, pollution and industrial effluents are depleting soil, water, and aquatic life. Piezoelectric materials are considered potential agents to these problems. Among these Ba0.85Ca0.15Zr0.10Ti0.90O3 (BCZT) and SrFe12O19 (SrH) are materials having piezoelectric and magnetic properties prepared by solid state synthesis. The major peaks of compositions were confirmed by x-ray diffraction (XRD) and metallic ions with functional groups were confirmed by Fourier Transform Infrared Spectroscopy (FTIR). The particle size distribution authenticates BCZT powder ~ 2 µm and SrH are in the range of 1–1.9 µm. The circular morphology of nano-filters was confirmed by Field Emission Scanning Electron Microscopy (FE-SEM). The mechanism of piezocatalysis was governed by ultrasonic vibrations to degrade dyes. For this BCZT and SrH nano sized filters were utilized to degrade methyl orange (MO) and phenol blue (PB) dyes. The maximum degradation is ~ 67% observed for methyl orange with SrH nano-filters in 40 min sonication time and for BCZT ~ 46% in 30 min respectively. The redox reactions at the expense of energy explain the phenomenon of producing hydrogen (H2). The work will help in the applications to produce energy with clean environment from piezo catalytic materials.