期刊
SEPARATION AND PURIFICATION TECHNOLOGY
卷 237, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.seppur.2019.116477
关键词
Red mud; g-C3N4; Composite; Adsorption; Photocatalysis; Synergistic effect
资金
- National Natural Science Foundations of China [21906072]
- Natural Science Foundation of Jiangsu Province [BK20190982]
- Zhangjiagang Science and Technology Support Program (Social Development) of Jiangsu Province, China [ZKS1510]
- Postgraduate Research AMP
- Practice Innovation Program of Jiangsu Province (China) [KYCX19_1677, KYCX19_1706, SJICY19_2629, SJKY19_2658]
- Doctoral Scientific Research Foundation of Jiangsu University of Science and Technology (China) [1062931806, 1142931803]
The red mud/g-C3N4 (RM-CN) composite was directly prepared via one-step thermal polymerization method using melamine and industrial waste residue (red mud) as raw materials. Under the synergistic effect of adsorption and photocatalysis, RM-CN composites have a significant effect for the removal of organic pollutants from wastewater. Compared with pure CN, the specific surface area of RM-CN has been significantly enhanced with the introduction of RM. Additionality, the optical absorption and photocurrent response exhibit obvious enhancement with respect to RM-CN as compared with that of pristine CN photocatalyst. The optimized 0.8% RM-CN product (with the RM mass content of 0.8 wt% in precursor) displayed referable photocatalytic degradation efficiency for antibiotics and dyes under visible light, as well as excellent recycle performance. This work poses a great potential in the actual wastewater treatment, and it is of great significance to the resource utilization and the cost saving of the raw material.
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