Surface effect of natural zeolite (clinoptilolite) on the photocatalytic activity of TiO2

Li, Fangfei; Jiang, Yinshan; Yu, Lixin; Yang, Zhengwen; Hou, Tianyi; Sun, Shenmei

doi:10.1016/j.apsusc.2005.02.111

Cited by 85 publications

(38 citation statements)

References 17 publications

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“…The observed band positions on H-clinoptilolite, H-TNU-10, H-SUZ-4, H-ZSM-57, H-ZSM-5, H-TNU-9 and H-IM-5 are in agreement with those previously reported[2,4,11,20,21].…”

supporting

confidence: 93%

Ammonia IRMS-TPD Characterization of Brønsted Acid Sites in Medium-pore Zeolites with Different Framework Topologies

et al. 2010

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“…The observed band positions on H-clinoptilolite, H-TNU-10, H-SUZ-4, H-ZSM-57, H-ZSM-5, H-TNU-9 and H-IM-5 are in agreement with those previously reported[2,4,11,20,21].…”

supporting

confidence: 93%

Ammonia IRMS-TPD Characterization of Brønsted Acid Sites in Medium-pore Zeolites with Different Framework Topologies

et al. 2010

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“…The XRD patterns of the used natural clinoptilolite and photocatalyst are shown in Figure 2. The similar result was also reported by Li et al and Wang et al [17,21].…”

Section: Xrd Patternssupporting

confidence: 81%

Degradation of furfural in contaminated water by titanium and iron oxide nanophotocatalysts based on the natural zeolite (clinoptilolite)

2017

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Abstract. In this study, the performance of advanced oxidation process using titanium and iron oxides based on the natural clinoptilolite zeolite (TiO 2 /Fe 2 O 3 /Clinoptilolite) as a nanophotocatalyst was studied, and the e ects of various factors on the furfural degradation, such as pH, dosage of catalyst, initial concentration of furfural, and contact time, were examined. The co-precipitation method was applied for the synthesis of the nanophotocatalyst. The SEM and XRD analyses showed a uniform distribution of titanium dioxide and iron nanoparticles on the zeolite. The furfural degradation could successfully happen at neutral to alkaline solutions. Moreover, increasing the amount of catalyst from 0.5 to 1.5 g/L does not have signi cant e ects on the degradation e ciency. By enhancing the initial concentration of furfural from 75 to 300 mg/L, the rate of degradation decreases.The maximum e ciency of 98% could be achieved for 75 mg/L solution by using 1.5 g/L catalyst in pH equal to 8 within 120 minutes.

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“…For their great cost advantages, many natural mineral have been used in water treatment field [20][21][22][23][24]. To the best of our knowledge, there is few report on natural mineral used as ozonation catalyst [25,26].…”

Section: Introductionmentioning

confidence: 97%

Catalytic Degradation of Nitrobenzene and Aniline in Presence of Ozone by Magnesia from Natural Mineral

Dong

Liu

et al. 2007

Catal Lett

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In this work, magnesia from natural brucite mineral has been used firstly for catalytic degradation of nitrobenzene and aniline in presence of ozone. Compared with single ozonation, the catalytic ozonation accelerated markedly the degradation of nitrobenzene and aniline. The influences of hydroxyl radical scavengers, pH values, and reaction temperatures on degradation were investigated. It was found that the essential of catalysis was the homogeneous catalysis of hydroxyl ions in water, which accelerated the generation of hydroxyl radicals. As a catalyst, magnesia from natural brucite has supplied an economical and feasible choice for catalytic ozonation of nitrobenzene and aniline in industrial wastewater.

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Surface effect of natural zeolite (clinoptilolite) on the photocatalytic activity of TiO2

Cited by 85 publications

References 17 publications

Ammonia IRMS-TPD Characterization of Brønsted Acid Sites in Medium-pore Zeolites with Different Framework Topologies

Ammonia IRMS-TPD Characterization of Brønsted Acid Sites in Medium-pore Zeolites with Different Framework Topologies

Degradation of furfural in contaminated water by titanium and iron oxide nanophotocatalysts based on the natural zeolite (clinoptilolite)

Catalytic Degradation of Nitrobenzene and Aniline in Presence of Ozone by Magnesia from Natural Mineral

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