Oxidative removal of 4-nitrophenol using activated carbon fiber and hydrogen peroxide to enhance reactivity of metallophthalocyanine

Lü, Wangyang; Chen, Wenxing; Li, Nan; Xu, Minhong; Yao, Yingming

doi:10.1016/j.apcatb.2008.08.024

Cited by 71 publications

(29 citation statements)

References 48 publications

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“…The combination of adsorption process and catalytic oxidation would advantage the CoTSPc@chitosan system proceed at a relatively wide pH range and achieve best effect under nearly neutral condition. Comparing with other systems [11,33,34] like Fenton systems which should take place in acid solutions or the homogeneous phthalocyanine systems which mostly keep active in alkaline conditions, the CoTSPc@chitosan system take the advantage of excellent performance in neutral conditions.…”

Section: Effect Of Ph On C I Acid Red Removalmentioning

confidence: 97%

Efficient removal of dyes in water using chitosan microsphere supported cobalt (II) tetrasulfophthalocyanine with H2O2

Shen

Song

Zang

et al. 2010

Journal of Hazardous Materials

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Section: Effect Of Ph On C I Acid Red Removalmentioning

confidence: 97%

Efficient removal of dyes in water using chitosan microsphere supported cobalt (II) tetrasulfophthalocyanine with H2O2

Shen

Song

Zang

et al. 2010

Journal of Hazardous Materials

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“…Therefore the operation of Fenton chemistry cannot be taken for granted by the sole fact that the catalyst contains iron, and should be proved by conventional Fenton tests. When using iron oxide catalysts it is highly recommended to check for the generation of · OH radicals by a combination of the various possible tests, such as analysis of the product distribution of classical probe molecules, [25,26] electron paramagnetic resonance (EPR) trapping techniques, [27,28] or quenching studies. [28,29] In this context, Gao and co-workers reported the use of magnetite (Fe 3 O 4 ) magnetic nanoparticles (MNPs) as active catalyst with predominant peroxidase-like activity.…”

Section: Unsupported Nanoparticles As Fenton Catalysts 21 Iron-basementioning

confidence: 99%

Metal Nanoparticles as Heterogeneous Fenton Catalysts

et al. 2012

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The Fenton reaction (the generation of hydroxyl radicals from hydrogen peroxide) is the most useful method for degradation of organic pollutants in aqueous solution at moderate concentrations. In this Review we summarize the use of metal nanoparticles, either unsupported or deposited on large-surface-area solids, as Fenton catalysts. The Review complements two other reviews in the field of heterogeneous Fenton catalysis using aluminosilicates and carbonaceous materials. Herein, particular emphasis is given to the reaction conditions in which these catalysts are used, highlighting the operating mechanism and the relative efficiency of the materials. Aspects such as leaching of the metal to the solution, reusability, and the concentration of hydrogen peroxide used are analyzed in detail. Besides a critical description of the present status of the field, future trends and the need to establishing valid comparisons to assess the relative efficiencies of the materials are commented on.

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“…In addition, metal complexes can also be covalently anchored on AC, and, thus, activated homogeneous Fenton catalysts can be converted into heterogeneous catalysts with the inherent advantage of subsequent separation from the reaction mixture and eventual reusability. [17] In addition to AC, other carbonaceous materials, such as multi-walled carbon nanotubes (MWCNTs) and carbon aerogels, have been used to promote the Fenton process.…”

Section: General Background Of the Fenton Reactionmentioning

confidence: 99%

Heterogeneous Fenton Catalysts Based on Activated Carbon and Related Materials

et al. 2011

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The Fenton reaction is widely used for remediation of waste water and for the degradation of organic pollutants in water. Currently, there is considerable interest to convert the classical Fenton reaction, which consumes stoichiometric amounts of iron(II) salts, into a catalytic process that is promoted by a solid. This review describes the work that has used carbonaceous materials either directly as catalysts or, more frequently, as a large-area support for catalytically activated transition metals or metal-oxide nanoparticles. The interest in this type of catalyst derives from the wide use of carbon in conventional water treatments and the wide applicability of the Fenton reaction. After two general sections that illustrate the scope and background of Fenton chemistry, the review describes the activity of activated carbon in the absence or presence of metal-containing particles. The last sections of the review focus on different types of carbonaceous materials, such as carbon nanotubes and diamond nanoparticles. The review concludes with a section that anticipates future developments in this area, which are aimed at overcoming the current limitations of low activity and occurrence of metal leaching.

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Oxidative removal of 4-nitrophenol using activated carbon fiber and hydrogen peroxide to enhance reactivity of metallophthalocyanine

Cited by 71 publications

References 48 publications

Efficient removal of dyes in water using chitosan microsphere supported cobalt (II) tetrasulfophthalocyanine with H2O2

Efficient removal of dyes in water using chitosan microsphere supported cobalt (II) tetrasulfophthalocyanine with H2O2

Metal Nanoparticles as Heterogeneous Fenton Catalysts

Heterogeneous Fenton Catalysts Based on Activated Carbon and Related Materials

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