TiO2-activated carbon photocatalysts: Preparation, characterization and photocatalytic activities

Asiltürk, Meltem; Şener, Ş.

doi:10.1016/j.cej.2011.11.045

Cited by 144 publications

(76 citation statements)

References 63 publications

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“…Titanium dioxide (TiO 2 ), zinc oxide (ZnO), cesium oxide (CeO 2 ), ZrO 2 , CdS, and ZnS are among the semiconductors used in a heterogeneous photocatalyst system for environmental treatment (So et al 2002, Muruganandham and Swaminathan 2006b, Peternel et al 2007, Gaya and Abdullah 2008, Asiltürk and Şener 2012, Sharma et al 2012 …”

Section: Heterogeneous Photocatalytic Oxidationmentioning

confidence: 99%

Recent advances and prospects of catalytic advanced oxidation process in treating textile effluents

Buthiyappan

Raman

Daud

2016

Reviews in Chemical Engineering

242

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AbstractIn the past few years, there have been many researches on the use of different types of homogenous catalyst for the degradation of textile wastewater in conventional advanced oxidation processes (AOPs). However, homogenous AOPs suffer from few limitations, including large consumption of chemicals, acidic pH, high cost of hydrogen peroxide, generation of iron sludge, and necessity of post-treatment. Therefore, recently, there have been more researches that focus on improving the performance of conventional AOPs using heterogeneous catalysts such as titanium dioxide, nanomaterials, metal oxides, zeolite, hematite, goethite, magnetite, and activated carbon (AC). Besides, different supports such as AC that have been incorporated with transition metals and clays have been proven to have excellent catalytic activity in AOPs. This paper presents a comprehensive review of advances and prospects of catalytic AOPs for the decontamination of a wide range of synthetic and real textile wastewater. This review provides an up-to-date critical review of the information on the degradation of various textile dyes by a wide range of heterogeneous catalysts and adsorbents. The future challenges of AOPs, including chemical consumption, toxicity assessment, reactor design, and limitation of catalysts, are discussed in this paper. In addition, this paper also discusses the presence of ions, generation of by-products, and industrial applications of AOPs. Special emphasis is given to recent studies and large-scale combination of AOPs for wastewater treatment. This review paper concludes that more studies are needed for the kinetics, reactor design, and modeling of hybrid AOPs and the production of their corresponding intermediate products and secondary pollutants. A better economic model should also be developed to predict the cost of AOPs, as the treatment cost varies with dyes and textile effluents.

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Section: Heterogeneous Photocatalytic Oxidationmentioning

confidence: 99%

Recent advances and prospects of catalytic advanced oxidation process in treating textile effluents

Buthiyappan

Raman

Daud

2016

Reviews in Chemical Engineering

242

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“…Meskipun demikian, penggunaan material ini untuk menghancurkan kontaminan dalam air limbah memiliki kendala karena massa jenisnya yang membuatnya tenggelam dalam air, sehingga proses aktivasinya dengan cahaya mengalami kendala. Selain itu, penggunaan material ini dengan mendispersikannya secara langsung dalam air limbah juga memiliki kendala: (1) dibutuhkan post-treatment untuk memisahkan partikel TiO2 dari air yang dibersihkan, yang membutuhkan waktu dan biaya yang tidak sedikit [3,4], (2) terjadinya penggumpalan partikel-partikel TiO2 dalam air terutama dispersi dengan konsentrasi tinggi [5].…”

Section: Pendahuluanunclassified

Aktivitas Fotokatalitik TiO2 yang Dilapiskan pada Polipropilena Berbentuk Lembaran dan Butiran

et al. 2017

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ABSTRAKPolimer polipropilena (PP) berbentuk lembaran dan butiran telah digunakan sebagai material pelampung untuk katalis TiO2. Proses pelapisan serbuk TiO2 pada permukaan polimer menggunakan metode kombinasi elektrostatik dan pemanasan (untuk polimer lembaran) dan metode thermal milling (untuk polimer butiran). Pengujian aktivitas fotokatalitik dilakukan terhadap larutan Metilen Biru (MB) 25 ppm sebanyak 300 ml. Dengan menggunakan parameter optimal jumlah katalis diperoleh bahwa TiO2 yang dilapiskan pada polimer PP berbentuk lembaran memiliki aktivitas fotokatalitik yang lebih tinggi dibandingkan katalis yang dilapiskan pada polimer PP berbentuk butiran.Kata-kata kunci: Aktivitas fotokatalitik, TiO2, Metilen biru © Institut Teknologi Bandung. Hak cipta dilindungi.

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“…Not only by its great specific surface area and low cost, but AC also give synergistic effect on photocatalysis via the strong adsorption properties which is also the controlling factor in photocatalysis 10,11 . From previous research, it is found that the combination of some photocatalyst with AC give synergistic effects 2,12 . There are several methods developed and reported by previous researches.…”

Section: Oohmentioning

confidence: 99%

Effect of Zn Content on the physicochemical Characteristics and Photoactivity of ZnO supported Activated Carbon

Fatimah¹,

Yudha²,

Sopiana³

et al. 2016

Orient. J. Chem

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In the present work, synthesis of ZnO dispersed onto activated carbon (ZnO/AC) is reported. Synthesis was conducted by using impregnation method by zinc acetate as precursor at varied Zn content. A systematic characterization of ZnO/C materials was performed using XRD, SEM, gas sorption analyzer and diffuse reflectance UV-Visible spectrophotometer. Photoactivity of the materials was studied in phenol removal via photooxidation mechanism. From the study it is confirmed that ZnO dispersion give acceleration of phenol removal refer to surface area contribution. It is no linear correlation of each physical character to the photocatalytic activity.

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TiO2-activated carbon photocatalysts: Preparation, characterization and photocatalytic activities

Cited by 144 publications

References 63 publications

Recent advances and prospects of catalytic advanced oxidation process in treating textile effluents

Recent advances and prospects of catalytic advanced oxidation process in treating textile effluents

Aktivitas Fotokatalitik TiO2 yang Dilapiskan pada Polipropilena Berbentuk Lembaran dan Butiran

Effect of Zn Content on the physicochemical Characteristics and Photoactivity of ZnO supported Activated Carbon

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