Degradation of Fluoxetine using catalytic ozonation in aqueous media in the presence of nano-γ-alumina catalyst: Experimental, modeling and optimization study

Aghaeinejad‐Meybodi, Abbas; Ebadi, Amanollah; Shafiei, Sirous; Khataee, Alireza; Kiadehi, Afshin Dehghani

doi:10.1016/j.seppur.2018.10.020

Cited by 55 publications

(10 citation statements)

References 54 publications

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“…They found that the effective parameters of the removal efficiency of Fluoxetine with both ANN and CCD models followed this order: Initial Fluoxetine concentration < nano-γ-Al 2 O 3 catalyst dosage < ozone concentration < reaction time. Keykavoos et al [87] studied the catalytic activity of alumina for the ozonation of bisphenol A (BPA). They found that the degradation efficiency for BPA was higher in catalytic ozonation (90%) as compared to ozonation alone (35%).…”

Section: Aluminum Oxidesmentioning

confidence: 99%

Application of Heterogeneous Catalytic Ozonation for Refractory Organics in Wastewater

et al. 2019

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Catalytic ozonation is believed to belong to advanced oxidation processes (AOPs). Over the past decades, heterogeneous catalytic ozonation has received remarkable attention as an effective process for the degradation of refractory organics in wastewater, which can overcome some disadvantages of ozonation alone. Metal oxides, metals, and metal oxides supported on oxides, minerals modified with metals, and carbon materials are widely used as catalysts in heterogeneous catalytic ozonation processes due to their excellent catalytic ability. An understanding of the application can provide theoretical support for selecting suitable catalysts aimed at different kinds of wastewater to obtain higher pollutant removal efficiency. Therefore, the main objective of this review article is to provide a summary of the accomplishments concerning catalytic ozonation to point to the major directions for choosing the catalysts in catalytic ozonation in the future.

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Section: Aluminum Oxidesmentioning

confidence: 99%

Application of Heterogeneous Catalytic Ozonation for Refractory Organics in Wastewater

et al. 2019

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“…The response surface method (RSM) is one of the most important statistical methods which is used for the mentioned purpose by researchers. The central composite design (CCD) is a well-known secondorder RSM model which is needed quite a few numbers of design points while providing a reasonable amount of information for testing lack of fit of the experimental model [39][40][41][42][43][44][45].…”

Section: Introductionmentioning

confidence: 99%

Application of the central composite design to mineralization of olive mill wastewater by the electro/FeII/persulfate oxidation method

Görmez

Yabalak

et al. 2020

SN Appl. Sci.

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The olive mill wastewater is a major environmental problem, which is waiting for effective treatment. In this study, the mineralization of olive mill wastewater was investigated using the electro/FeII/persulfate process. The central composite design was utilized to examine the effect of each experimental variables (concentration of persulphate and FeII, treatment time and constant current) on the mineralization of olive mill wastewater. The optimum chemical oxygen demand removal percentage was obtained as 71.2% where the reaction conditions were 200 mA current, 250 mM persulphate, 25 mM FeII, and 6 h reaction time. In addition, the maximum percentage of total phenolic removal and the energy consumption were 88% and 4.50 kWh/kgCOD, respectively, which were obtained at the same reaction conditions mentioned above. ANOVA test was used to examine the reliability of the experimental method. The R 2 and adjusted R 2 coefficients were obtained as 0.9634 and 0.9305, respectively. Optimum experimental parameters were determined and theoretical equations were obtained for the degradation of olive mill wastewater. For the treatment of olive mill wastewater, an environmentally friendly oxidation process was examined and the effect of each experimental variables was clearly demonstrated. The obtained data was optimized for future applications.

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“…The second factor, it is the availability of large numbers of free radicals resulting from the disintegration of hydrogen peroxide. Thus, the continuation of the oxidation reaction to the disintegration of chloroform [31,32]. The third factor is the continuation of the recycling process of the contaminated water between the inner and outer tubes of the reverse fluidization reactor; which gives the opportunity to continue adsorption of chloroform occurs when it's passing through the granular carbon bed.…”

Section: Resultsmentioning

confidence: 99%

An Experimental Investigation of Synergistic Pulsation Bubble Column with Inverse Fluidized Loop Reactor for Removing Chloroform from Wastewater

Ezzi

2020

IJE

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In this study, the feasibility of using the developed design for the removal of organic pollutants from wastewater was examined. The design includes the integration of the work of both pulsation bubble column (PBC) and the inverse fluidization airlift loop reactor (IFALR). The experimental podium was fabricated and installed which that consists of a bubble column with a diameter of 5 cm and a height of 210 cm, contains at the top a solenoid valve which is electrically turned via at least two timers, and its connection with the loop reactor by a one-way valve. The loop reactor consists of an outer rectangular tube with dimensions (29 cm long x 15.5 cm wide x 150 cm high) and an internal draft tube with 9 cm diameter and 120 cm long as granular activated carbon is put as an adsorbent in the annulus region between the inner and outer tube. Experiments were conducted using one of the organic pollutants namely chloroform, with a work scenario that includes changing both the airflow rate (2-20) liters/minute, the total survival time of the treatment (5-60) minutes, the molar ratio of the chloroform pollutant to the oxidizing agent of hydrogen peroxide (1/10-1/20). The results showed removal efficiency near to 89%, and it gives an indication of the success of the proposed design, with the possibility of recycling the treated water and releasing it to the environment due to the low risk of the organic pollutant in it.

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Degradation of Fluoxetine using catalytic ozonation in aqueous media in the presence of nano-γ-alumina catalyst: Experimental, modeling and optimization study

Cited by 55 publications

References 54 publications

Application of Heterogeneous Catalytic Ozonation for Refractory Organics in Wastewater

Application of Heterogeneous Catalytic Ozonation for Refractory Organics in Wastewater

Application of the central composite design to mineralization of olive mill wastewater by the electro/FeII/persulfate oxidation method

An Experimental Investigation of Synergistic Pulsation Bubble Column with Inverse Fluidized Loop Reactor for Removing Chloroform from Wastewater

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