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Included as T2 Level in the High-Quality Science and Technology Journals in the Field of Environmental Science
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YUAN Wei-hao, WANG Hua, ZENG Yi-chuan, FANG Shao-wen, WANG Shi-gang, LI Yuan-yuan, ZHANG Xin-yue. SPATIOTEMPORAL VARIATION OF DRIVING FACTORS OF ALGAL PROLIFERATION IN A LARGE RIVER-CONNECTED LAKE[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(10): 64-71,128. doi: 10.13205/j.hjgc.202110009
Citation: YANG Jiani, ZHAO Baowei, YANG Maoying, SUO Jinmiao, ZHU Zhengyu, DENG Aiqin. PREPARATION OF Fe/C CATALYST BASED ON FERRIC CITRATE AND ITS ACTIVATION PERFORMANCE ON PEROXYDISULFATE TO DEGRADE SULFADIAZINE[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(7): 116-123,251. doi: 10.13205/j.hjgc.202307016

PREPARATION OF Fe/C CATALYST BASED ON FERRIC CITRATE AND ITS ACTIVATION PERFORMANCE ON PEROXYDISULFATE TO DEGRADE SULFADIAZINE

doi: 10.13205/j.hjgc.202307016
  • Received Date: 2022-10-28
  • In response to the current situation that various raw materials, high costs and complicated process in the preparation of Fe/C catalysts to activate persulfates, four Fe/C catalysts were prepared by a high-temperature carbonization method at different pyrolysis temperatures (700, 800, 900 and 1000℃) using inexpensive and environmentally friendly ferric citrate as raw material, and then characterized by SEM, EDS, BET, XRD, XPS. Four Fe/C catalysts were used for the adsorption and activation of peroxydisulfate (PDS) for the degradation of sulfadiazine (SDZ). After initial screening, Fe/C-800 catalyst obtained at 800℃ was used as the target catalyst for an in-depth study. The performance of its activation of PDS to degrade SDZ and the mechanism of action were analyzed. The results showed that the degradation rate of 98.8% can be achieved for 10 mg/L SDZ by 0.05 g/L Fe/C-800 and 1 mmol/L PDS. The Fe/C-800 catalyst had a wide range of pH, could achieve the efficient degradation of different concentrations of SDZ even at a low dosing rate, and demonstrated good recycling performance. Fe0 and C could promote the conversion of Fe3+ into Fe2+, and the amount of ferri & ferrous iron ions dissolved at the end of the reaction was as low as 0.3182 mg/L. Both free radical and non-free radical pathways existed in the reaction system, in which SO4-·, O2-·, and 1O2 played the dominant roles in the degradation process of SDZ. The study may provide new ideas for the activation of Fe/C non-homogeneous catalysts to degrade organic pollutants by PDS.
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    Created with Highcharts 5.0.7Chart context menuAccess Area Distribution其他: 14.3 %其他: 14.3 %其他: 0.3 %其他: 0.3 %上海: 1.6 %上海: 1.6 %上饶: 0.5 %上饶: 0.5 %东京: 0.3 %东京: 0.3 %东莞: 0.3 %东莞: 0.3 %临汾: 0.5 %临汾: 0.5 %保定: 0.3 %保定: 0.3 %兰州: 1.1 %兰州: 1.1 %北京: 13.2 %北京: 13.2 %南京: 3.5 %南京: 3.5 %南宁: 0.3 %南宁: 0.3 %南昌: 1.1 %南昌: 1.1 %台州: 1.1 %台州: 1.1 %吉林: 0.5 %吉林: 0.5 %呼和浩特: 0.3 %呼和浩特: 0.3 %唐山: 0.3 %唐山: 0.3 %嘉兴: 2.2 %嘉兴: 2.2 %大同: 0.5 %大同: 0.5 %天津: 2.7 %天津: 2.7 %安康: 0.5 %安康: 0.5 %常州: 0.3 %常州: 0.3 %常德: 0.5 %常德: 0.5 %广州: 1.9 %广州: 1.9 %庆阳: 1.6 %庆阳: 1.6 %弗吉尼亚州: 0.3 %弗吉尼亚州: 0.3 %张家口: 1.9 %张家口: 1.9 %德阳: 0.3 %德阳: 0.3 %成都: 2.7 %成都: 2.7 %扬州: 0.8 %扬州: 0.8 %新乡: 0.5 %新乡: 0.5 %无锡: 0.3 %无锡: 0.3 %昆明: 0.3 %昆明: 0.3 %晋城: 0.3 %晋城: 0.3 %杭州: 1.4 %杭州: 1.4 %武汉: 4.9 %武汉: 4.9 %江门: 0.3 %江门: 0.3 %洛阳: 0.3 %洛阳: 0.3 %海口: 0.3 %海口: 0.3 %深圳: 0.8 %深圳: 0.8 %温州: 0.3 %温州: 0.3 %湖州: 0.3 %湖州: 0.3 %漯河: 1.4 %漯河: 1.4 %烟台: 0.3 %烟台: 0.3 %盐城: 0.5 %盐城: 0.5 %石家庄: 0.3 %石家庄: 0.3 %福州: 0.5 %福州: 0.5 %芒廷维尤: 7.3 %芒廷维尤: 7.3 %芝加哥: 1.4 %芝加哥: 1.4 %菏泽: 0.8 %菏泽: 0.8 %蚌埠: 2.2 %蚌埠: 2.2 %衡水: 1.6 %衡水: 1.6 %衢州: 0.5 %衢州: 0.5 %西宁: 6.8 %西宁: 6.8 %西安: 0.3 %西安: 0.3 %贵港: 0.8 %贵港: 0.8 %贵阳: 1.1 %贵阳: 1.1 %资阳: 0.5 %资阳: 0.5 %运城: 1.9 %运城: 1.9 %通辽: 1.4 %通辽: 1.4 %遵义: 0.3 %遵义: 0.3 %邯郸: 0.5 %邯郸: 0.5 %郑州: 1.1 %郑州: 1.1 %重庆: 0.5 %重庆: 0.5 %长沙: 1.1 %长沙: 1.1 %龙岩: 1.6 %龙岩: 1.6 %其他其他上海上饶东京东莞临汾保定兰州北京南京南宁南昌台州吉林呼和浩特唐山嘉兴大同天津安康常州常德广州庆阳弗吉尼亚州张家口德阳成都扬州新乡无锡昆明晋城杭州武汉江门洛阳海口深圳温州湖州漯河烟台盐城石家庄福州芒廷维尤芝加哥菏泽蚌埠衡水衢州西宁西安贵港贵阳资阳运城通辽遵义邯郸郑州重庆长沙龙岩

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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