钛白副产硫酸亚铁光芬顿氧化降解甲基橙的研究

doi:10.11962/1006-4990.2020-0190

Abstract

Abstract:

Using ferrous sulfate（by-product of tianium white） as iron source and catalyst of photogenic Fenton,the oxidative decomposition of methyl orange by ferrous sulfate-H₂O₂ system under ultraviolet light was studied.The effect of temperature, concentration of H₂O₂,wavelength of ultraviolet light,concentration of ferrous sulfate and concentration of Fe²⁺ on the decolorization rate of methyl orange was investigated.It is demonstrated that the decolorization rate of methyl orange is the fastest which reaches 100% under the conditions of 35 ℃,6.4 mmol/L of hydrogen peroxide,1.0 mmol/L of ferrous sulfate（about 1.0 mmol/L of Fe²⁺) and 395 nm of ultraviolet light.The decolorization effect of the ferrous sulfate on methyl orange was better than that of pure heptahydrate ferrous sulfate.The work has expanded a new strategy for the effective utilization of the by-product of tianium white,which can be used to treat methyl orange by catalytic degradation

Key words: ferrous sulfate produced by titanium dioxide, photocatalytic, wastewater treatment, methyl orange, degradation

CLC Number:

X788
TQ09

Shu Yirui,Zhang Pan,Wang Wei,Xiang Hengli,Ren Genkuan,Xu Dehua,Zhang Zhiye,Yang Xiushan. Titanium white by-product ferrous sulfate photofenton oxidation degradation of methyl orange in wastewater[J]. Inorganic Chemicals Industry, 2021, 53(3): 68-72.

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Inorganic Acid-Base-Salt Committee of CIESC

Titanium white by-product ferrous sulfate photofenton oxidation degradation of methyl orange in wastewater

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