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ABSTRACT
A mesoporous SiO2-TiO2-x composite without any modification was obtained to separate oil-in-water and water-in-oil emulsions solely by gravity. To simulate the actual pollution treatment process in sewage treatment plants, adsorption and degradation properties were studied after the initial emulsion separation. The research result indicates that the reported mesoporous SiO2 can be employed as an excellent absorbent and catalyst carrier. After light irradiating for 120 min, the degradation efficiency of SiO2-TiO2-4 for Rhodamine B, methyl orange, methylene blue, and ciprofloxacin hydrochloride reaches 99.3%, 91.5%, 98.7%, and 96.2%, respectively.
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Funding
The authors acknowledge the financial support of the National Natural Science Foundation of China (Grant No. 51072075), the Foundation of Shandong training project (Grant No. ZR2018PB014), Ph.D. Programs of ShanDong Province (ZR2014EL009), and the PhD early development program of Liaocheng University (Grant No. 318051648).