The present study investigated the feasibility of employing a catalytic ozonation process by a novel Fe3O4/Mg(OH)(2)/4A zeolite catalyst to facilitate the treatment of real dairy effluent. The Fe3O4/Mg(OH)(2) magnetic nanoparticles supported onto 4A zeolite (Fe3O4/Mg(OH)(2)/4AZ) were synthesized and characterized by extensive techniques (XRD, FE-SEM, TEM, EDS, VSM, and BET). Reaction rate, operating conditions, mechanism, and thermodynamics of the dairy effluent treatment by the Fe3O4/Mg(OH)(2)/4AZ-catalyzed ozonation process were investigated. Catalytic ozonation experiments indicated that synchronous use of Fe3O4/Mg(OH)(2)/4AZ and O-3 considerably accelerated the rate of COD reduction, compared to sole ozonation. Results of the designed experiments by response surface methodology (RSM) revealed that approximately 80% of COD was reduced within 30 min at natural pH of solution (approximate to 7) when the catalyst and ozone dosages were 5 g L-1 and 9 mg min(-1), respectively. Exploration of the mechanism disclosed that the process mainly followed a hydroxyl radical reaction pathway. Thermodynamics studies demonstrated that the process was endothermic and temperature sensitive, so that it was spontaneous at the temperature of 313 K. Overall, this study supplies a bold and quick manner as well as environmental friendliness (no secondary pollution) to eradicate refractory substances and wastewater treatment.
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Liu, Dan
Wang, Chunrong
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China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Wang, Chunrong
Wang, Zhipu
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China Univ Petr Beijing Karamay, Karamay 834000, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Wang, Zhipu
Sun, Yixi
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Sun, Yixi
Liu, Xianjie
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Liu, Xianjie
Xiao, Shuang
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Xiao, Shuang
Li, Ling
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Li, Ling
Zhou, Jiabin
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
机构:
Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Zhang, Heng
He, Yongli
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Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
He, Yongli
Lai, Leiduo
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Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Lai, Leiduo
Yao, Gang
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Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R China
Rhein Westfal TH Aachen, Inst Environm Engn, Aachen, GermanySichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Yao, Gang
Lai, Bo
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Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
机构:
Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Liu, Dan
Wang, Chunrong
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机构:
China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Wang, Chunrong
Wang, Zhipu
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China Univ Petr Beijing Karamay, Karamay 834000, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Wang, Zhipu
Sun, Yixi
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Sun, Yixi
Liu, Xianjie
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Liu, Xianjie
Xiao, Shuang
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Xiao, Shuang
Li, Ling
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
Li, Ling
Zhou, Jiabin
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Southwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Chem & Chem Engn, Chengdu 610500, Peoples R China
机构:
Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Zhang, Heng
He, Yongli
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Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
He, Yongli
Lai, Leiduo
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h-index: 0
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Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Lai, Leiduo
Yao, Gang
论文数: 0引用数: 0
h-index: 0
机构:
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R China
Rhein Westfal TH Aachen, Inst Environm Engn, Aachen, GermanySichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Yao, Gang
Lai, Bo
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h-index: 0
机构:
Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China
Sichuan Univ, Sino German Ctr Water & Hlth Res, Chengdu 610065, Peoples R ChinaSichuan Univ, State Key Lab Hydraul & Mt River Engn, Coll Architecture & Environm, Chengdu 610065, Peoples R China