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J. Cent. South Univ. (2017) 24: 1941-1952 DOI: https://doi.org/10.1007/s11771-017-3602-x Removal of Cd(II) and Pb(II) from soil through desorption using citric acid: Kinetic and equilibrium studies... Central South University Press and Springer-Verlag GmbH Germany 2017 Abstract: The desorption test was conducted to evaluate the desorption behavior of Pb(II) and Cd(II) using citric acid......
; 文章编号:1672-7207(2013)07-2836-05 Isothermal adsorption/desorption characteristics of shale gas GUO Wei1, 2, XIONG Wei1, 2, GAO Shusheng1, 2, HU Zhiming1, 2 (1. Institute of Porous Flow and Fluid... of shale gas adsorption and desorption characteristics were carried out. The fitness and comparison of adsorption experiment data and desorption experiment data with various adsorption and desorption......
Desorption behaviour and microstructure change of nanostructured hydrided AZ31 Mg alloy powders WANG Heng(王 珩), HU Lian-xi(胡连喜), YUAN Yuan(袁 媛), WANG Er-de(王尔德) School of Materials... of hydrogen desorption was examined by hydrogen discharge measurement during dehydriding. The microstructure of the as-hydrided and the subsequently fully dehydrided alloy powders was investigated by X......
Hydrogen transport in metals: Integration of permeation, thermal desorption and degassingE.I.Galindo-Nava1,B.I.Y.Basha1,P.E.J.Rivera-Díaz-del-Castillo21. Department of Materials Science..., degassing and thermal desorption spectroscopy is presented. The approach is based on Fick’s diffusion laws, where the initial concentration and diffusion coefficients depend on microstructure......
Desorption–recombination behavior of as-disproportionated NdFeCoB compacts by reactive deformationYun-Ping Yu,Ying Liu,Jun Li,Qing Zheng,Ren-Quan WangSchool of Materials Science and Engineering... of dehydrogenation channel. The route of applying low pressure of 4–25 MPa on the as-disproportionated green compact during the desorption recombination process in situ hot deformation in a spark plasma......
Cell Growth and Desorption on the Surface of Temperature-sensitive Semi-IPNs Hydrogels Based on Silk Sericin李学伟1,2,陈莉11. State Key Laboratory of Hollow Fiber Membrane Materials and Processes,School... for biomedical applications such as mouse ?broblasts (L929) cell proliferation and desorption were investigated. The results showed that the incorporation of high hydrophilic SS into PNIPAM hydrogel......
%.这是因为解吸刚开始时,磁性膨润土上的Cr(Ⅵ)吸附量较高,解吸驱动力大,解吸速度快,经过一段时间后浓度差变小,60 min后,解吸反应趋于平衡,因此以下将60 min解吸数据作为考察对象.关于解吸时间,将在2.2 中采用动力学进一步研究. 图2 解吸时间对Cr(Ⅵ)解吸率的影响 Fig. 2 Effect of desorption time on desorption...影响,实验在35 ℃,解吸液NaCl浓度为0.50 mol/L,用量50 mL/g条件下,研究pH对吸附Cr(Ⅵ)的磁性膨润土解吸效果,如图3所示. 图3 pH对Cr(Ⅵ)解吸率的影响 Fig. 3 Effect of pH on desorption rate of Cr(Ⅵ) 由图3可看出,pH与Cr(Ⅵ)离子的解吸率之间存在着密切的关系;在pH<5.5下,解吸率在......
BTEX在改性泥炭上的低温吸附与解吸马会强1,张洪林1,李爽1,赵国峥1,刘娜2(1.辽宁省抚顺市辽宁石油化工大学环境与生物工程学院2.吉林大学 环境与资源学院)摘 要:为探讨砂金矿山开采中伴生泥炭的环保利用新途径,研究了地下水中BTEX在改性泥炭上的吸附与解吸行为.试验结果表明:BTEX在改性泥炭上吸附与解吸均呈现非线性,可用Freundlich模型描述,吸附常数Kf,泥炭与水标化分配系数Koc顺序为二甲苯>乙苯>甲苯>苯,这与上述化合物的辛醇与水分配系数Kow变化一致;BTEX在改性泥炭上......
Effects of A Top SiO2 Surface Layer on Cavity Formation and Helium Desorption in Silicon Lü Yiying1,Alquier D2,Yin Lijun1,Liu Changlong1 (1.Department of Physics, School of Science, Tianjin... at the same dose of 5×1016 cm-2. Cross-sectional transmission electron microscopy (XTEM) and thermal desorption spectroscopy (THDS) were used to study the thermal evolution of cavities upon......
Adsorption and desorption properties for rhenium using a kind of weak-base anion resinHong-Zhao Liu1,2,3,Bo Zhang2,3,Xiao-Jing Jing1,2,3,Wei Wang2,3,Li-Jun Wang11. Rare Metal and Metallurgy Materials... and desorption properties for rhenium,while the kinetics and thermodynamics properties of adsorbing rhenium from the rhenium stock solution were systematically investigated.The kinetics investigations......