Hong Yang

Tongji University, Shanghai, Shanghai Shi, China

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Publications (2)5.51 Total impact

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    ABSTRACT: With cetyltrimethylammonium (CTAB) and tetramethylammonium hydroxide (TMAOH) as hybrid surfactant templates, a mesoporous adsorbent (adsorbent C) was synthesized in ethanol via the integration of "One-step" procedure and "Evaporation-Induced Self-Assembly" procedure. During the synthesis, TMAOH served as the subsidiary structure-directing agent. Adsorbent C exhibited higher pore diameter (centered at 6.1 nm), BET surface area (421.9 m(2)/g) and pore volume (0.556 cm(3)/g) than the other two adsorbents only using P123 (adsorbent A) or CTAB (adsorbent B) as the surfactant. The adsorbents were also characterized by XRD and FTIR spectroscopy. The adsorption of copper, zinc, lead, iron, silver and manganese ions on adsorbent C was investigated by contrast tests with adsorbent A and B. The experimental data showed that adsorbent C possessed better adsorption properties than the counterparts. The order of adsorption capacity for six metal ions was Mn(2+)<Zn(2+)<Cu(2+)<Fe(2+)<Pb(2+)<Ag(+). The kinetic and thermodynamic properties and the regeneration capacity of adsorbent C were also discussed.
    Journal of Hazardous Materials 05/2008; 152(2):690-8. · 4.33 Impact Factor
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    ABSTRACT: Modified pectin cross-linked with adipic acid, was synthesized and used for heavy metal removal from wastewater. SEM and FTIR were used to investigate its structure and morphology. The modified pectin had a rough, porous phase covered with carboxy groups, resulting a high adsorption capacity. And at the room temperature, the saturated loading capacity for Pb2+, Cu2+ and Zn2+ reached 1.82 mmol/g, 1.794 mmol/g and 0.964 mmol/g, respectively. The results proved its potential application to remove of the heavy metal.
    Chinese Chemical Letters 03/2007; 18(3):325-328. · 1.18 Impact Factor

Publication Stats

110 Citations
5.51 Total Impact Points

Institutions

  • 2008
    • Tongji University
      • College of Environmental Science and Engineering
      Shanghai, Shanghai Shi, China