A review on Fenton-like processes for organic wastewater treatment

Wang, Nannan; Zheng, Tao; Zhang, Guangshan; Wang, Peng

doi:10.1016/j.jece.2015.12.016

Cited by 766 publications

(313 citation statements)

References 213 publications

(279 reference statements)

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“…Fenton process perform better at lower pH since the production of hydroxyl radicals is influenced by pH (Qiao et al, 2005). Result from the experiment is similar to a review reported by Wang et al (2016). Figure 3 illustrates the effect of pH in fenton process and ozonation.…”

Section: Results and Discussion Effect Of Phsupporting

confidence: 80%

A Comparative Study of Yarn Dyed Wastewater Using Fenton’s Reagent and Ozonation : Removal Efficiency and Economic Analysis

Riadi

Wisanto

Herlambang

et al. 2017

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Section: Results and Discussion Effect Of Phsupporting

confidence: 80%

A Comparative Study of Yarn Dyed Wastewater Using Fenton’s Reagent and Ozonation : Removal Efficiency and Economic Analysis

Riadi

Wisanto

Herlambang

et al. 2017

Reaktor

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“…This process shows obvious advantages on oxidizing recalcitrant substances, and it is usually used as pretreatment process to increase the biodegradability of the wastewater by increasing the B/C value [6][7][8]. However, it also shows some inevitable drawbacks mainly in formation of ferric hydroxide sludge above pH 4.0 [9], and difficulty in catalyst recovery from the sludge.…”

Section: Introductionmentioning

confidence: 99%

Fe Oxides Loaded on Carbon Cloth by Hydrothermal Process as an Effective and Reusable Heterogenous Fenton Catalyst

2018

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Iron based heterogeneous Fenton catalysts are attracting much attention for its economic and environmental friendly characteristics. In this study, iron oxides loaded carbon cloth (assigned as Fe@CC) was prepared using hydrothermal hydrolysis of Fe(NO 3 ) 3 . The specific surface area of Fe@CC determined by N 2 adsorption-desorption Brunauer-Emmett-Teller method was up to 1325.5 m 2 /g, which increased by 81.8% compared with that of native carbon cloth mainly due to the loading of iron oxide. XPS (X-ray photoelectron spectroscopy) spectra confirmed that the iron oxide on the carbon surface included mainly FeOOH. Its heterogeneous Fenton-like activity was determined using Acid Red G as a model substrate for degradation. Fe@CC maintained high and relatively stable activity during 11 tests, and it showed high COD (Chemical Oxygen Demand) removal efficiency and high apparent H 2 O 2 utilization efficiency. The homogeneous Fenton reaction using the amount of leached Fe(III) suggested that the surficial reaction on Fe@CC was dominant. The stability and the mechanism for gradual decrease of activity during the first 4 tests were also discussed.

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“…The process is also fast, effective and capable of degrading harmful, toxic and non-biodegradable compound in the wastewater through the oxidation process [5]. The Fenton reagents involve the application of ferrous ions (Fe 2+ ) to react with hydrogen peroxide (H 2 O 2 ) producing hydroxyl radicals (OH • ) with the powerful oxidizing ability to degrade organic pollutants in wastewater [6] otherwise there is no energy needed in terms of activating hydrogen peroxide because the reaction takes place at room temperature and atmospheric pressure [7].…”

Section: Introductionmentioning

confidence: 99%

Color And COD Degradation of Procion Red Synthetic Dye by Using Fenton-TiO2 Method

Teguh¹,

Agustina²,

Faizal³

2018

ijfac

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Nowadays, environmental pollution caused by industrial wastewater is quite apprehensive. Most of textile industries used synthetic dyes. Procion red is one of the synthetic dyes that was often used in textile industries and classified as a reactive dye that is difficult to decompose in nature and contain harmful toxins. One of the colored wastewater treatment process is Fenton reagent and TiO 2 catalyst (Fenton-TiO 2 ) as one of the Advanced Oxidation Processes (AOPs). AOPs are based on the generation of very reactive species such as hydroxyl radicals (OH • ) is effective for decolourization and biodegradation of pollutants. The objectives of this research are to treat of procion red synthetic dye by using Fenton-TiO 2 method and study the effect of procion red concentration, reaction time, and the concentrations of TiO 2 catalyst on color and COD degradation. In this experiment, the concentrations of procion red were varied between 150-300 ppm, the concentrations of TiO 2 catalyst were varied from 0.05 to 0.4% (w/v) and the reaction time of 5 to 20 minutes. The optimum condition was achieved by using procion red concentration of 150 ppm with TiO 2 catalyst concentration of 0.4%, and reaction time of 20 minutes, where the maximum color and COD degradation achieved of 98.67% and 92% respectively. Keywords: Procion red, Fenton reagent, TiO 2 , color, COD, AOPs Abstrak (Indonesian)Saat ini, pencemaran lingkungan oleh limbah industri sudah cukup memprihatinkan. Kebanyakan industri tekstil menggunakan pewarna sintetik. Procion red merupakan salah satu dari pewarna sintetik yang sering digunakan dalam industri tekstil dan tergolong sebagai zat warna reaktif sehingga sulit terurai di alam dan mengandung zat yang berbahaya. Salah satu proses pengolahan zat warna adalah dengan menggunakan reagen Fenton dan katalis TiO 2 (Fenton-TiO 2 ) yang termasuk dalam teknologi Advanced Oxidation Processes (AOPs). AOPs didasarkan pada pembentukan spesies yang sangat reaktif seperti radikal hidroksil (OH • ) yang efektif untuk penghilangan warna dan biodegradasi polutan. Penelitian ini bertujuan untuk mengolah limbah sintetik procion red dengan metode FentonTiO 2 serta mempelajari pengaruh konsentrasi procion red, waktu reaksi dan konsentrasi katalis TiO 2 terhadap penurunan warna dan COD. Pada penelitian ini digunakan limbah sintetik procion red dengan konsentrasi 150-300 ppm, konsentrasi TiO 2 0,05-0,4% (w/v) dan proses pengolahan selama 5-20 menit. Kondisi optimum dicapai pada konsentrasi procion red 150 ppm dengan konsentrasi katalis TiO 2 0,4%, dan waktu reaksi 20 menit, dimana degradasi warna dan COD maksimum yang dicapai berturut-turut adalah 98,67% dan 92%. Kata Kunci: Procion red, reagen Fenton, TiO 2 , warna, COD, AOPsTeguh, et al.

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A review on Fenton-like processes for organic wastewater treatment

Cited by 766 publications

References 213 publications

A Comparative Study of Yarn Dyed Wastewater Using Fenton’s Reagent and Ozonation : Removal Efficiency and Economic Analysis

A Comparative Study of Yarn Dyed Wastewater Using Fenton’s Reagent and Ozonation : Removal Efficiency and Economic Analysis

Fe Oxides Loaded on Carbon Cloth by Hydrothermal Process as an Effective and Reusable Heterogenous Fenton Catalyst

Color And COD Degradation of Procion Red Synthetic Dye by Using Fenton-TiO2 Method

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