Enhanced purification of hospital wastewater by a novel ferrate(VI) flocs recycling process
被引:6
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作者:
Li, Jie
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机构:
Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Li, Jie
[1
,2
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Du, Ye
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机构:
Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Du, Ye
[1
,2
]
Zhao, En -Yu
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机构:
Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Zhao, En -Yu
[1
,2
]
Jiang, Yanni
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机构:
Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Jiang, Yanni
[1
,2
]
Wang, Zhongjuan
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机构:
Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Wang, Zhongjuan
[1
,2
]
Zhang, Heng
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机构:
Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Zhang, Heng
[1
,2
]
Zhou, Peng
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机构:
Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Zhou, Peng
[1
,2
]
Xiong, ZhaoKun
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机构:
Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Xiong, ZhaoKun
[1
,2
]
Lai, Bo
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机构:
Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
Lai, Bo
[1
,2
]
机构:
[1] Sichuan Univ, Coll Architecture & Environm, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
[2] Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R China
Ferrate (VI);
Flocs recycling;
Wastewater;
Chemical oxygen demand;
Acute toxicity;
PERSONAL CARE PRODUCTS;
ORGANIC-COMPOUNDS;
OXIDATION;
REMOVAL;
COAGULATION;
PHARMACEUTICALS;
MINERALIZATION;
IDENTIFICATION;
PERFORMANCE;
PARTICLES;
D O I:
10.1016/j.cej.2023.141832
中图分类号:
X [环境科学、安全科学];
学科分类号:
08 ;
0830 ;
摘要:
Traditional Fe(VI) treatment process does not fully utilize the fresh iron flocs. This study proposed a novel Fe(VI) flocs recycling process. The flocs were recycled into the front-end reactor and the flocculation effluent further reacted with Fe(VI). Compared with Fe(VI) alone, the CODCr of the secondary effluent of hospital wastewater decreased from 74.9 to 59.4 mg/L and TP decreased from 0.36 to 0.10 mg/L at the dosage of 20 mg/L Fe(VI). However, the enhanced removal of NH3-N and TOC by the flocs recycling process is limited. The Fe(VI) flocs recycling process also strengthened the removal of luminescent bacterial acute toxicity, from 0.52 +/- 0.01 in secondary effluent to 0.17 +/- 0.01 mg-ZnSO4/L. Compared with polymeric ferric chloride and ferric chloride (FeCl3), Fe(VI) showed the best performance on purifying wastewater in the flocs recycling process. Compared with FeCl3, the C--O bond contents in flocs from Fe(VI) changed more obviously. Flocs from Fe(VI) have a smaller average particle size than those from FeCl3, which may result in better adsorption capacity of Fe(VI) flocs. In conclusion, the flocs recycling process not only taken full use of the Fe(III) flocs and reduced the iron sludge, but also strengthened the purification of the wastewater without additional Fe(VI) dosing.
机构:
Univ Autonoma Chihuahua, Fac Ciencias Quim, Circuito Univ S-N,Campus Uach 2, Chihuahua 31125, Chih, MexicoUniv Autonoma Chihuahua, Fac Ciencias Quim, Circuito Univ S-N,Campus Uach 2, Chihuahua 31125, Chih, Mexico
Perez, Arizbeth
Poznyak, Tatyana
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机构:
Inst Politecn Nacl, Escuela Super Ingn Quim & Ind Extract, Ave Luis Enrique Erro S-N, Mexico City 07738, DF, MexicoUniv Autonoma Chihuahua, Fac Ciencias Quim, Circuito Univ S-N,Campus Uach 2, Chihuahua 31125, Chih, Mexico
Poznyak, Tatyana
Chairez, Isaac
论文数: 0引用数: 0
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机构:
Inst Politecn Nacl, Unidad Profes Interdisciplinaria Biotecnol, Ave Acueducto, Mexico City 07340, DF, MexicoUniv Autonoma Chihuahua, Fac Ciencias Quim, Circuito Univ S-N,Campus Uach 2, Chihuahua 31125, Chih, Mexico
Chairez, Isaac
Jezabel Guzman-Zavaleta, Z.
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机构:
Univ Americas Puebla, Dept Comp Elect & Mechatron, Ex Hacienda Sta Catarina Martir S-N, Cholula 72810, MexicoUniv Autonoma Chihuahua, Fac Ciencias Quim, Circuito Univ S-N,Campus Uach 2, Chihuahua 31125, Chih, Mexico
Jezabel Guzman-Zavaleta, Z.
Alfaro-Ponce, Mariel
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机构:
Tecnol Monterrey, Sch Sci & Engn, Calle Puente 222, Mexico City 14380, DF, MexicoUniv Autonoma Chihuahua, Fac Ciencias Quim, Circuito Univ S-N,Campus Uach 2, Chihuahua 31125, Chih, Mexico
机构:
South China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Peoples R China
Gannan Normal Univ, Sch Phys & Elect Informat, Ganzhou 341000, Peoples R ChinaSouth China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Peoples R China
Xu, Chong
Huang, Daoping
论文数: 0引用数: 0
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机构:
South China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Peoples R China
Huang, Daoping
Li, Dong
论文数: 0引用数: 0
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机构:
South China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Peoples R ChinaSouth China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Peoples R China
Li, Dong
Liu, Yiqi
论文数: 0引用数: 0
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机构:
South China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Peoples R China
Tech Univ Denmark, Proc & Syst Engn Ctr PROSYS, Dept Chem & Biochem Engn, DK-2800 Lyngby, DenmarkSouth China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Peoples R China
机构:
Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Zhang, Junke
Su, Peidong
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机构:
Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Su, Peidong
Zhu, Xu
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机构:
Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Zhu, Xu
Mao, Ran
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机构:
Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Mao, Ran
Yuan, Liqiu
论文数: 0引用数: 0
h-index: 0
机构:
Beijing Dongzhimen High Sch, Beijing 100007, Peoples R ChinaChinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Yuan, Liqiu
Li, Angzhen
论文数: 0引用数: 0
h-index: 0
机构:
China Acad Urban Planning & Design, Beijing 100037, Peoples R ChinaChinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
Li, Angzhen
Zhao, Xu
论文数: 0引用数: 0
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机构:
Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R ChinaChinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
机构:
Tianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R China
Song, Chunfeng
Qiu, Yiting
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机构:
Tianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R China
Qiu, Yiting
Li, Shuhong
论文数: 0引用数: 0
h-index: 0
机构:
Tianjin Univ Sci & Technol, Coll Food Engn & Biotechnol, State Key Lab Food Nutr & Safety, Key Lab Food Nutr & Safety,Minist Educ, Tianjin 300457, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R China
Li, Shuhong
Liu, Zhengzheng
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h-index: 0
机构:
Tianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R China
Liu, Zhengzheng
Chen, Guanyi
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机构:
Tianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R China
Chen, Guanyi
Sun, Luchang
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机构:
China Huadian Engn Co Ltd, Beijing, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R China
Sun, Luchang
Wang, Kailiang
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机构:
China Huadian Engn Co Ltd, Beijing, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R China
Wang, Kailiang
Kitamura, Yutaka
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机构:
Univ Tsukuba, Grad Sch Life & Environm Sci, 1-1-1 Tennodai, Tsukuba, Ibaraki 3058572, JapanTianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, 92 Weijin Rd, Tianjin, Peoples R China