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首页> 外文期刊>RSC Advances >Efficient mineralization of phenol by a temperature-responsive polyoxometalate catalyst under wet peroxide oxidation at lower temperatures
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Efficient mineralization of phenol by a temperature-responsive polyoxometalate catalyst under wet peroxide oxidation at lower temperatures

机译：在较低温度下湿过氧化氧化氧化下的温度响应多氧酸盐催化剂在较低温度下的高效矿化

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摘要

Herein, a temperature-responsive polyoxometalate (POM) catalyst [C16H33(CH3)(3)N](3)[PO4{WO(O-2)(2)}(4)]/ poly(N-isopropylacrylamide) (abbreviated as (C16PW(O-2)(2)/PNIPAM) was prepared and used in the catalytic wet peroxide oxidation (CWPO) of phenol under mild conditions. The POM catalyst C16PW(O-2)(2)/PNIPAM showed a higher degradation efficiency and mineralization of phenol with H2O2 at room temperature or even at lower temperature (0 degrees C) within a short time (120 min). The high efficiency at lower temperature was attributed to its temperature-responsive property, wherein the lattice of the temperature-sensitive polymer relaxed at lower temperature and then wrinkled at higher temperature. These characteristics also permitted C16PW(O-2)(2)/PNIPAM to be easily separated for recycling. The leaching test indicated that the POM catalyst exhibited excellent stability and little leaching and can be used as a thermosensitive catalyst for about six times. C16PW(O-2)(2)/PNIPAM has potential application in the CWPO of phenol without the limitation of temperature and pH conditions.
机译：在此，温度响应性聚氧酸盐（POM）催化剂[C16H33（CH3）（3）N]（3）[PO4 {WO（O-2）（2）}（4）] /聚（N-异丙基丙烯酰胺）（缩写制备（C16PW（O-2）（2）/级），并在温和条件下用于苯酚的催化湿过氧化物氧化（CWPO）。POM催化剂C16PW（O-2）（2）/肺蛋白显示出更高在室温下或甚至在短时间内（120分钟）在室温下与H 2 O 2的降解效率和矿化。较低温度的高效率归因于其温度响应性，其中晶格温度敏感的聚合物在较低温度下弛豫，然后在较高温度下皱纹。这些特性也允许C16PW（O-2）（2）/泊普以容易分离用于回收。浸出试验表明POM催化剂表现出优异的稳定性和较好的稳定性浸出，可用作热敏催化剂约六次。C16PW（O-2）（2）/普利普有PAIT在苯酚的CWPO中施用NTIAL应用，而不限制温度和pH条件。

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  • 来源
    《RSC Advances》 |2017年第69期|共8页
  • 作者

    Li Yiming; Zhang Xueyan; Zhang Dan; Li Yue; Wang Xiaohong; Wang Shengtian;

  • 作者单位

    Northeast Normal Univ Key Lab Polyoxometalate Sci Minist Educ Changchun 130024 Jilin Peoples R China;

    Northeast Normal Univ Key Lab Polyoxometalate Sci Minist Educ Changchun 130024 Jilin Peoples R China;

    Northeast Normal Univ Key Lab Polyoxometalate Sci Minist Educ Changchun 130024 Jilin Peoples R China;

    Northeast Normal Univ Key Lab Polyoxometalate Sci Minist Educ Changchun 130024 Jilin Peoples R China;

    Northeast Normal Univ Key Lab Polyoxometalate Sci Minist Educ Changchun 130024 Jilin Peoples R China;

    Northeast Normal Univ Key Lab Polyoxometalate Sci Minist Educ Changchun 130024 Jilin Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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