科研之友
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摘要
A novel photocatalyst IL/GO/88A was prepared for tetracycline (TC) degradation using the ionic liquids (ILs) assisted growth method. And the composite was characterized by XRD, SEM, N2 adsorption-desorption, UV-vis and EIS. The effects of the catalyst dosages, pH, and TC concentration on TC degradation were investigated. The composite material exhibited highly efficient TC degradation efficiency. Nearly 95.7% of TC could be removed after 180 min irradiation by the IL/GO/88A with dosage of 0.30 g·L?1 under the condition of 10 mg·L?1 TC and pH = 5.7. The catalyst maintained stable performance after 3 consecutive times recycle. In addition, the mechanism of adsorption-photocatalysis synergy was clarified, and ·OH? and h+were determined to be the main active species. The results of this research provides a new idea for the development of efficient MOFs photocatalytic composite materials treating tetracycline-containing wastewater.
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