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| 1 | Removal of Cd(II) by Nanometer AIO(OH) Loaded on Fiberglass with Activated Carbon Fiber Felt as Carrier显示文摘A new nanometer material,nanometer AlO(OH)loaded on the fiberglass with activated carbon fibersfelt(ACF)as the carrier,was prepared by hydrolytic reaction for the removal of Cd(II)from aqueous solution usingcolumn adsorption experiment.As was confirmed by XRD determination,the hydrolysis production loaded on fi-berglass was similar to the orthorhombic phase AlO(OH).SEM images showed that AlO(OH)particles were in theform of small aggregated clusters.The Thomas model was applied for estimating the kinetic parameters and thesaturated adsorption ability of Cd(II)adsorption on the new adsorbent.The results showed that the maximum ad-sorption capacity of Cd(II)was 128.50 mg·g-1and 117.86 mg·g-1for the adsorbent mass of 0.3289 g and the ad-sorbent mass of 0.2867 g,respectively.The elution experiment result indicated that the adsorbed Cd ions was easilydesorbed from the material with 0.1 mol·L-1HCl solution.Adsorption-desorption cycles showed the feasibility ofrepeated uses of the composited material.The adsorption capacities were influenced by pH and the initial Cd(II)concentration.The amount adsorbed was greatest at pH 6.5 and the initial Cd(II)concentration of 0.07 mg·L-1,re-spectively.Nanometer AlO(OH)played a major role in the adsorption process,whereas the fiberglass and ACFwere assistants in the process of removing Cd(II).In addition,the adsorption capacities for Cd(II)were obviouslyreduced from 128.50 mg·g-1to 64.28 mg·g-1when Pb ions were present because Pb ions took up more adsorption sites. | 刘光辉 王培培 刘琼 韩炜 | 2008 | Chinese Journal of Chemical Engineering2008，16，5： | 5 |
| 2 | 冷榨核桃油饼单宁脱除技术研究显示文摘为开发利用冷榨核桃油饼中优质蛋白,采用响应面分析法优化冷榨核桃油饼中单宁脱除的工艺条件。试验结果表明:在料水比1∶25(g∶m L),p H 7,55℃条件下浸泡150 min,单宁脱除率为50.44%,蛋白损失率为2.97%;重复浸泡30 min,其他条件不变,冷榨核桃油饼二次单宁脱除率为75.44%,蛋白损失率为4.57%。采用此方法冷榨核桃油饼中单宁脱除率较高,蛋白损失率较低。经粉碎或磨浆过滤喷雾干燥后可生产优质蛋白质粉。 | 李志红 徐怀德 郭盼 雷东霞 | 2015 | 中国食品学报2015，15，1： | 3 |
| 3 | Adsorption equilibrium for Z-ligustilide on C18-bonded silica from supercritical carbon dioxide显示文摘Adsorption equilibrium is of great importance for the preparative supercritical fluid chromatography(pre-SFC) in defining supercritical adsorption behavior and the industrial amplification.This paper presents adsorption isotherms of Z-ligustilide from supercritical carbon dioxide(SC-CO_2) on C18-bonded silica.Adsorption behavior was studied at 305.15 K,313.15 K and 323.15 K with SC-CO_2 density varying from 0.687 g·cm^(-3) to0.863 g·cm^(-3) with the elution by characteristic points(ECP) method.The adsorption amount of Z-ligustilide from SC-CO_2 on C18-bonded silica decreased with the increasing density of the mobile phase as well as the increasing temperature.Adsorption equilibrium data were fitted by Langmuir and Freundlich isotherm models,and the Langmuir isotherm model performed better for describing the whole adsorption process on the column.The monolayer saturation adsorption capacity of Z-ligustilide is in the range of 3.0 × 10^(-4) mg·cm^(-3) to5.5 × 10^(-4) mg·cm^(-3) with an average value of 4.0 × 10^(-4) mg·cm^(-3). | Huisheng Lü Shuangyan Liu Yonghui Li Fanmei Meng Dawei Yao Xufei Mo | 2016 | Chinese Journal of Chemical Engineering2016，24，12： | 1 |
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