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Removal efficiency of phenol by ozonation process with calcium peroxide from aqueous solutions

Abstrakt

Phenol has been introduced as a priority pollutant by the US Environmental Protection Agency. Advanced oxidation processes (AOPs) are one of the most efcient methods for removal of non-degradable organic pollutants in aqueous solutions. The removal efciencies of phenol and COD under optimal conditions pH=3, phenol concentration=5 mg/L, CaO2 concentration=0.025 mg/L, temperature 25 °C, 1 g/min ozonation rate and contact time=90 min in synthetic and real samples (Zarand coal washing factory in Kerman) were obtained 97.8%, 87% and 80%, 65.4%, respectively. The kinetics of phenol decomposition follows from the pseudo-frst-order equation. Thermodynamic studies show that phenol decomposition with ozonation and calcium peroxide is an endothermic process. The use of ozonation process with calcium peroxide is an efcient method and can be recommended as a coefcient method for the removal of phenol.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Applied Water Science nr 11, strony 1 - 9,
ISSN: 2190-5487
Język:
angielski
Rok wydania:
2021
Opis bibliograficzny:
Honarmandrad Z., Javid N., Malakootian M.: Removal efficiency of phenol by ozonation process with calcium peroxide from aqueous solutions// Applied Water Science -Vol. 11,iss. 2 (2021), s.1-9
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1007/s13201-020-01344-7
Weryfikacja:
Politechnika Gdańska

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