JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

CoFe2O4/ZnAl-LDO吸附剂的制备及其对染料吸附性能研究

黄改玲 ,  孙迎迎 ,  刘宝强

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黄改玲, 孙迎迎, 刘宝强. CoFe2O4/ZnAl-LDO吸附剂的制备及其对染料吸附性能研究[J]. 轻工学报, 2018, 33(3): 8-15. doi: 10.3969/j.issn.2096-1553.2018.03.002
引用本文: 黄改玲, 孙迎迎, 刘宝强. CoFe2O4/ZnAl-LDO吸附剂的制备及其对染料吸附性能研究[J]. 轻工学报, 2018, 33(3): 8-15. doi: 10.3969/j.issn.2096-1553.2018.03.002
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HUANG Gailing, SUN Yingying and LIU Baoqiang. Research on the preparation of CoFe2O4/ZnAl-LDO absorbent and its dye adsorption performance[J]. Journal of Light Industry, 2018, 33(3): 8-15. doi: 10.3969/j.issn.2096-1553.2018.03.002
Citation: HUANG Gailing, SUN Yingying and LIU Baoqiang. Research on the preparation of CoFe2O4/ZnAl-LDO absorbent and its dye adsorption performance[J]. Journal of Light Industry, 2018, 33(3): 8-15. doi: 10.3969/j.issn.2096-1553.2018.03.002
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CoFe2O4/ZnAl-LDO吸附剂的制备及其对染料吸附性能研究

  • 郑州轻工业学院 材料与化学工程学院, 河南 郑州 450001

  • 基金项目: 河南省高校科技创新人才支持计划项目（15HASTTT048）；河南省科技厅基础与前沿技术研究项目（1623004120216）；河南省高等学校青年骨干教师资助计划项目（2015GGJS-181）

  • 中图分类号: TB333;TS101.3

Research on the preparation of CoFe2O4/ZnAl-LDO absorbent and its dye adsorption performance

  • College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China

  • Received Date: 2018-01-02
    Available Online: 2018-05-15

    CLC number: TB333;TS101.3

  • 摘要: 以CoFe2O4为磁核，尿素为沉淀剂，在纯水溶剂中合成了CoFe2O4/ZnAl-LDH磁性复合材料，在400 ℃条件下煅烧4 h后，制备了CoFe2O4/ZnAl-LDO吸附剂.考察该吸附剂对酸性橙Ⅱ（AOⅡ），甲基橙（MO）和刚果红（CR）的吸附性能，结果表明：当反应时间为150 min 时，该吸附剂对AOⅡ，MO和CR的吸附基本达到平衡，去除率分别为62%，68%和80%；当固液比（吸附剂/染料溶液）为10 mg/50 mL时，该吸附剂对3种染料的最大吸附量分别为276 mg/g，281 mg/g和452 mg/g.对吸附过程进行吸附动力学、吸附热力学研究，结果表明：该吸附过程符合准二级动力学模型和Langmuir热力学模型，属于单分子层化学吸附过程.
    Abstract: CoFe2O4/ZnAl-LDH magnetic composite was synthesized using pure CoFe2O4 as magnetic core and urea as precipitant in pure water solvent. After calcined at 400℃ for 4 h, CoFe2O4/ZnAl-LDO adsorbent was prepared. The adsorption performance of this adsorbent for Acid Orange II (AOII), Methyl Orange (MO) and Congo Red (CR) showed that when the reaction time was 150 min, the adsorption of AOII, MO and CR was basically the same. At equilibrium, the removal rates were 62%, 68%, and 80%, respectively; when the solid-liquid ratio (adsorbent/dye solution) was 10 mg/50 mL, the maximum adsorption capacity of the adsorbent for the three dyes were 276 mg/g, 281 mg/g and 452 mg/g, respectively. The results of adsorption kinetics and adsorption thermodynamics showed that the adsorption process conformed to the pseudo-second-order kinetics model and the Langmuir thermodynamic model, and belonged to the monolayer chemical adsorption process.
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  • 收稿日期:  2018-01-02
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黄改玲, 孙迎迎, 刘宝强. CoFe2O4/ZnAl-LDO吸附剂的制备及其对染料吸附性能研究[J]. 轻工学报, 2018, 33(3): 8-15. doi: 10.3969/j.issn.2096-1553.2018.03.002
引用本文: 黄改玲, 孙迎迎, 刘宝强. CoFe2O4/ZnAl-LDO吸附剂的制备及其对染料吸附性能研究[J]. 轻工学报, 2018, 33(3): 8-15. doi: 10.3969/j.issn.2096-1553.2018.03.002
shu
HUANG Gailing, SUN Yingying and LIU Baoqiang. Research on the preparation of CoFe2O4/ZnAl-LDO absorbent and its dye adsorption performance[J]. Journal of Light Industry, 2018, 33(3): 8-15. doi: 10.3969/j.issn.2096-1553.2018.03.002
Citation: HUANG Gailing, SUN Yingying and LIU Baoqiang. Research on the preparation of CoFe2O4/ZnAl-LDO absorbent and its dye adsorption performance[J]. Journal of Light Industry, 2018, 33(3): 8-15. doi: 10.3969/j.issn.2096-1553.2018.03.002
shu

CoFe2O4/ZnAl-LDO吸附剂的制备及其对染料吸附性能研究

  • 郑州轻工业学院 材料与化学工程学院, 河南 郑州 450001
  • 收稿日期: 2018-01-02
  • 网络出版日期: 2018-05-15
基金项目:  河南省高校科技创新人才支持计划项目（15HASTTT048）；河南省科技厅基础与前沿技术研究项目（1623004120216）；河南省高等学校青年骨干教师资助计划项目（2015GGJS-181）

摘要: 以CoFe2O4为磁核，尿素为沉淀剂，在纯水溶剂中合成了CoFe2O4/ZnAl-LDH磁性复合材料，在400 ℃条件下煅烧4 h后，制备了CoFe2O4/ZnAl-LDO吸附剂.考察该吸附剂对酸性橙Ⅱ（AOⅡ），甲基橙（MO）和刚果红（CR）的吸附性能，结果表明：当反应时间为150 min 时，该吸附剂对AOⅡ，MO和CR的吸附基本达到平衡，去除率分别为62%，68%和80%；当固液比（吸附剂/染料溶液）为10 mg/50 mL时，该吸附剂对3种染料的最大吸附量分别为276 mg/g，281 mg/g和452 mg/g.对吸附过程进行吸附动力学、吸附热力学研究，结果表明：该吸附过程符合准二级动力学模型和Langmuir热力学模型，属于单分子层化学吸附过程.

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