지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.2
- 수록면
- 30 - 39 (10page)
이용수
초록· 키워드
오류제보하기
Most of previous studies proved bicarbonate (HCO₃-) was free radical scavenger in advanced oxidation processes, however, in this study, the positive influence of HCO₃- was confirmed in heterogeneous Fenton. The results showed that the degradation efficiency of Rhodamine B increased from 13.7% to 95.3% by adding appropriate concentration of HCO₃-, and the zeolite supported Co and Cu oxides (Co/Cu/zeolite) could catalyze the HCO₃- enhanced Fenton process. The response surface method was employed to optimize the concentration of HCO₃- needed in the heterogeneous Fenton system. Radicals quenching results showed that ¹O₂ and O₂·- rather than ·OH played important roles in the degradation of Rhodamine B. Mechanism studies indicated that carbonate radical (CO₃·-) was the key intermediate in the formation of ¹O₂ and O₂·-, and CO₃·- could be generated through the reaction between HCO₃- and ·OH. In addition, peroxymonocarbonate (HCO₄-), which further produced CO₃·-, was also generated in the bicarbonate enhancement system. The electron transfer between Cu and Co romoted the heterogeneous Fenton process in generating ·OH that reacted with HCO₃-, or catalyzed HCO₄- to generate CO₃·-.
목차
ABSTRACT
1. Introduction
2. Material and Methods
3. Results and Discussion
4. Conclusion
References
참고문헌 (46)
참고문헌 신청
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Zhao Q, Liu LJ, Li SZ, Liu R. Built-in electric field-assisted charge separation over carbon dots-modified Bi2WO6 nanoplates for photodegradation. Appl. Surf. Sci. 2019;465:164-171. http://10.1016/j.apsusc.2018.09.168.
Zhou HR, Wen ZP, Liu J, Ke J, Duan XG, Wang SB. Z-scheme plasmonic Ag decorated WO3/Bi2WO6 hybrids for enhanced photocatalytic abatement of chlorinated-VOCs under solar light irradiation. Appl. Catal. B: Environ. 2019;242:76-84. http://10.1016/j.apcatb.2018.09.090.
Liang YT, Pei M, Wang DD, Cao SN, Xiao X, Sun B. Improvement of Soil Ecosystem Multifunctionality by Dissipating Manure- Induced Antibiotics and Resistan-ce Genes. Environ. Sci. Technol. 2017;51:4988-4998. http://10.1021/acs.est.7b00693.
Deshpande BD, Agrawal PS, Yenkie MKN. Nanoparticles aided AOP for degradation of p-nitro benzoic acid. Mater. Today. Proc. 2020;32:519-523. http://10.1016/j.matpr.2020.02.924.
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