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Monoclinic Pyrrhotite Derived from Pyrite through Thermal Decomposition to Activate PDS for the Degradation of Oxytetracycline
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Meng LIU, Hanlin WANG, Haibo LIU, Tianhu CHEN, Xuehua ZOU, Fuwei SUN, Ziyang CHU, Peixun ZHAI, Dong CHEN
Journal of the Chinese Ceramic Society | 2021, 49(7) : 1403 - 1411
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Journal of the Chinese Ceramic Society | 2021, 49(7): 1403-1411
• Special Issue on Mineral Material •
Monoclinic Pyrrhotite Derived from Pyrite through Thermal Decomposition to Activate PDS for the Degradation of Oxytetracycline
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Meng LIU, Hanlin WANG, Haibo LIU, Tianhu CHEN, Xuehua ZOU, Fuwei SUN, Ziyang CHU, Peixun ZHAI, Dong CHEN
Affiliations
  • Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources & Environmental Engineering, Hefei University of Technology, Hefei 230009, China

    • LIU Meng(1996-), female, Master candidate. E-mail:

About Author:

LIU Meng(1996-), female, Master candidate. E-mail:

Published: 2021-07-20 doi: 10.14062/j.issn.0454-5648.20210035
Outline
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Monoclinic pyrrhotite (M-Pyr) was derived from pyrite through thermal decomposition in nitrogen atmosphere with controlled temperature and time, which was used to activate sodium persulfate (PDS) for the degradation of oxytetracycline (OTC). The effects of initial concentration of OTC, initial solution pH value, contents of PDS and M-Pyr on OTC degradation were studied. The contents of PDS and M-Pyr had a positive effect on the OTC removal rate, while the effect of the initial OTC concentration was negative. Specifically, 99% of OTC was degraded in the M-Pyr/PDS system with pH=6-7, ρ (M-Pyr) =0.1 g/L and c(PDS)=1.0 mmol/L. The removal rate of OTC was 86.5% after recycling for two times, where the relatively poor recyclability might be attributed to the corrosion of M-Pyr and the formation of intermediate product to occupy the active sites. Sulfate radical and hydroxyl radical were the main active species in the M-Pyr/PDS system.

pyrite  /  thermal decomposition  /  monoclinic pyrrhotite  /  sodium persulfate  /  oxytetracycline
刘梦, 王汉林, 刘海波, 陈天虎, 邹雪华, 孙付炜, 储梓杨, 翟沛勋, 陈冬. 热分解黄铁矿制备单斜磁黄铁矿活化PDS降解土霉素. 硅酸盐学报, 2021 , 49 (7) : 1403 -1411 . DOI: 10.14062/j.issn.0454-5648.20210035
Meng LIU, Hanlin WANG, Haibo LIU, Tianhu CHEN, Xuehua ZOU, Fuwei SUN, Ziyang CHU, Peixun ZHAI, Dong CHEN. Monoclinic Pyrrhotite Derived from Pyrite through Thermal Decomposition to Activate PDS for the Degradation of Oxytetracycline[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (7) : 1403 -1411 . DOI: 10.14062/j.issn.0454-5648.20210035
Appendix
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Year 2021 volume 49 Issue 7
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Article Info
doi: 10.14062/j.issn.0454-5648.20210035
  • Receive Date：2021-01-12
  • Online Date：2026-10-30
  • Published：2021-07-20
Article Data
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History
  • Received：2021-01-12
  • Revised：2021-02-03
Funding
Affiliations
    Key Laboratory of Nano-minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources & Environmental Engineering, Hefei University of Technology, Hefei 230009, China

Corresponding:

LIU Haibo(1984-), male, Ph.D., Associate Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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