青岛科技大学  English 
张建明
赞  

教师拼音名称:zhangjianming

手机版

访问量:

最后更新时间:..

Rapidly regenerated CNC/TiO2/MnO2 porous microspheres for high-efficient dye removal

关键字:CELLULOSE NANOCRYSTALS; METHYLENE-BLUE; PHOTOCATALYTIC DEGRADATION; WASTE-WATER; ADSORPTION; POLLUTANTS; ADSORBENT; HYDROGEL; TIO2

摘要:The cellulose nanocrystal (CNC)/transition metal oxide hybrid porous microspheres usually have high adsorption performance and degradability, and show promising applications in the field of wastewater treatment. However, single metal oxides are limited by the forbidden band width and electron-hole complexation, and often fail to achieve good effluent treatment. Herein, a CNC/manganese dioxide/titanium dioxide porous microspheres are prepared by the combination of bubble template and ionic crosslinking between sodium alginate and Ca2+ ions as a matrix. Based on the synergistic effect of two kinds of transition metal oxide, the degradation efficiency of CNC/MnO2/TiO2 porous microspheres for methylene blue is as high as 97.0%, showing easy recovery process and rapid regeneration of this material. Besides, its maximum removal of dyes reaches up to 310.2 mg/g, which is much higher than most CNC based adsorption materials. The concept of concerted catalysis can to explain the origin for excellent performance of as-prepared hybrid microspheres.

卷号:292

期号:

是否译文:

崂山校区 - 山东省青岛市松岭路99号   
四方校区 - 山东省青岛市郑州路53号   
中德国际合作区(中德校区) - 山东省青岛市西海岸新区团结路3698号
高密校区 - 山东省高密市杏坛西街1号   
济南校区 - 山东省济南市文化东路80号©2015 青岛科技大学    
管理员邮箱:master@qust.edu.cn