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硅藻土的比表面及其脱色机理
Specific Surface and Decoloring Mechanism of Diatomite
【摘要】 用BET法研究了浙江、吉林硅藻土及浙江活化土的比表面随焙烧温度的变化规律,并且采用染料吸附法研究了次甲基蓝在浙江和吉林硅藻土表面的吸附等温线,吸附方程符合Freundlich 方程:Γ= KC1n ,硅藻土吸附性质与其表面ζ电位和IEP值有关。
【Abstract】 The rule of variation on the specific surface of Zhejiang, Jilin diatomite with calcining temperature has been studied by using BET method. And adsorption isotherm of methylene blue on surface of Zhejiang and Jilin diatomite were also studied by using dye adsorption method.Adsorption equation was in conformity with Freundlich equation:Γ=KC 1/n , the adsorption properties of diatomites were relevant to their surface ζ potential and IEP va- lue.
【基金】 国家自然科学基金
- 【文献出处】 玻璃与搪瓷 ,GLASS & ENAMEL , 编辑部邮箱 ,1999年05期
- 【被引频次】18
- 【下载频次】506