Synthesis, characterization and catalytic application for wet oxidation of phenol of iron-containing clays期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Synthesis, characterization and catalytic application for wet oxidation of phenol of iron-containing clays

Authors:	M.N. Timofeeva S.Ts. Khankhasaeva S.V. Badmaeva A.L. Chuvilin E.B. Burgina A.B. Ayupov V.N. Panchenko A.V. Kulikova

Affiliation:	^aInstitute of Catalysis, Novosibirsk 630090, Russia ^bBaikal Institute of Nature Management, Ulan-Ude, Russia

Abstract:	High-surface-area pillared clays (PILC) were prepared from naturally occurring montmorillonites by exchanging interlayer ions to polyoxocations containing (i) aluminum (Al₁₃-PILC), (ii) iron adsorpted onto Al₁₃-PILC, and (iii) iron and aluminum located within the same complex (Fe_0.8Al_12.2-PILC). The obtained Fe_0.8Al_12.2-PILCs were characterized by DR–UV–vis and IR spectroscopy, XRD, ESR, scanning electron microscopy and low temperature N₂ adsorption measurements. Important factors affecting catalyst activity and phenol removal efficiencies have been studied, i.e. the effect of pH, temperature, catalyst concentration and stability of the catalyst.

Keywords:	Catalytic wet oxidation Iron-containing pillared clay Hydrogen peroxide Phenol Wastewater treatment
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