Pyridine-bridged cobalt tetra-aminophthalocyanine to active peroxymonosulphate for efficient degrading carbamazepine

In this study, each cobalt tetra-aminophthalocyanine (CoTAPc) molecule was immobilised with four isonicotinic acid (INA) molecules by amide bonding, a novel and highly efficient catalyst pyridine-bridged cobalt tetra-aminophthalocyanine (CoTAPc-TINA) was synthesised. The introduction of INA molecule...

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Veröffentlicht in:Environmental technology. - 1993. - 45(2024), 21 vom: 13. Aug., Seite 4230-4242
1. Verfasser: Shang, Zhiguo (VerfasserIn)
Weitere Verfasser: Zhu, Zhexin, Wang, Gangqiang, Lu, Wangyang, Wu, Bingyao, Li, Qijian
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Pyridine-bridged cobalt tetra-aminophthalocyanine degradation pathway isonicotinic acid peroxymonosulphate Carbamazepine 33CM23913M Water Pollutants, Chemical peroxymonosulfate mehr... 22047-43-4 Pyridines Cobalt 3G0H8C9362 Indoles Peroxides
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520 |a In this study, each cobalt tetra-aminophthalocyanine (CoTAPc) molecule was immobilised with four isonicotinic acid (INA) molecules by amide bonding, a novel and highly efficient catalyst pyridine-bridged cobalt tetra-aminophthalocyanine (CoTAPc-TINA) was synthesised. The introduction of INA molecules promoted CoTAPc to expose more active sites, and increased the electron cloud density of cobalt ions promoting O-O bond homolysis of PMS to generate more active species, which significantly enhanced catalytic activity. With the pharmaceutical of carbamazepine (CBZ) as model pollutant, 0.1 g/L CoTAPc-TINA in dark in the presence of 0.4 mM PMS, 98.8% CBZ was removed within 10 min. However, under the same conditions the removed of CBZ was only 58.9% by CoTAPc/PMS system. Radical capture experiments combined electron paramagnetic resonance technology demonstrate that hydroxyl radicals, sulphate radicals, superoxide radicals and singlet oxygen are the main active species in the CoTAPc-TINA/PMS system. As the reaction proceeded, all aromatic intermediates were transformed to small molecular acids by these active species. This investigation provided a new insight for application of metal phthalocyanine in wastewater treatment 
650 4 |a Journal Article 
650 4 |a Pyridine-bridged 
650 4 |a cobalt tetra-aminophthalocyanine 
650 4 |a degradation pathway 
650 4 |a isonicotinic acid 
650 4 |a peroxymonosulphate 
650 7 |a Carbamazepine  |2 NLM 
650 7 |a 33CM23913M  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a peroxymonosulfate  |2 NLM 
650 7 |a 22047-43-4  |2 NLM 
650 7 |a Pyridines  |2 NLM 
650 7 |a Cobalt  |2 NLM 
650 7 |a 3G0H8C9362  |2 NLM 
650 7 |a Indoles  |2 NLM 
650 7 |a Peroxides  |2 NLM 
700 1 |a Zhu, Zhexin  |e verfasserin  |4 aut 
700 1 |a Wang, Gangqiang  |e verfasserin  |4 aut 
700 1 |a Lu, Wangyang  |e verfasserin  |4 aut 
700 1 |a Wu, Bingyao  |e verfasserin  |4 aut 
700 1 |a Li, Qijian  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Environmental technology  |d 1993  |g 45(2024), 21 vom: 13. Aug., Seite 4230-4242  |w (DE-627)NLM098202545  |x 1479-487X  |7 nnns 
773 1 8 |g volume:45  |g year:2024  |g number:21  |g day:13  |g month:08  |g pages:4230-4242 
856 4 0 |u http://dx.doi.org/10.1080/09593330.2023.2245541  |3 Volltext 
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