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Kinetics and thermodynamics of the phosphine adsorption on the modified activated carbon

Bingnan REN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 203-208 doi: 10.1007/s11705-010-0571-0

Abstract: The kinetics and the thermodynamics of phosphine (PH ) adsorption on the modified activated carbon haveThe thermodynamic properties including PH adsorption isotherm and adsorption heat were separately investigatedBy analyzing the results of the kinetics and the thermodynamics, we found that the adsorption of PHThen with increasing temperature, chemical adsorption gradually dominated in the adsorption process.The adsorption capacity decreased at above 70°C is due to the exothermic effects in the process of adsorption

Keywords： adsorption     PH3     activated carbon     kinetics     thermodynamics    

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Contributions of adsorption, bioreduction and desorption to uranium immobilization by extracellular polymeric

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1707-z

Abstract:

● EPS immobilizes U(VI) via adsorption, bioreduction and desorption

Keywords： Adsorption     Bioreduction     Desorption     Kinetics     Isotherm     Uranium    

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Efficient CO

Yanxia Wang, Xiude Hu, Tuo Guo, Jian Hao, Chongdian Si, Qingjie Guo

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 493-504 doi: 10.1007/s11705-020-1967-0

Abstract: The CO adsorption mechanism for the NACs was then explored.Under a pressure of 1 bar, sample NAC-650-650 shows the highest CO adsorption capacity up to 5.96 andThe CO adsorption capacity of the NAC-650-650 sample maintains over 97% after ten cycles.Furthermore, the physical adsorption mechanism is confirmed by adsorption kinetic models and the isostericThe CO adsorption kinetics for NACs at room temperature and in pure CO is in accordance with the pseudo-first-order

Keywords： porous carbon     CO2 adsorption     nitrogen-doped     adsorption mechanism     kinetics    

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Removal of Rhodamine B from aqueous solutions and wastewater by walnut shells: kinetics, equilibrium

Jasmin Shah, M. Rasul Jan, Attaul Haq, Younas Khan

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 428-436 doi: 10.1007/s11705-013-1358-x

Abstract: An adsorption study of Rhodamine B (RB) dye from aqueous solutions was carried out using walnut shellsThe adsorption process was highly pH dependent and a maximum adsorption was achieved at pH 3.0.The best fit for the rates of dye adsorption was a pseudo-second-order kinetic model with good correlationThe dye adsorption was also evaluated thermodynamically. Positive standard enthalpy (?°) values were obtained indicating that the RB adsorption process is endothermic as well as ?

Keywords： Rhodamine B     walnut shell adsorption     kinetics     isotherms     regeneration    

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Effect of the degree of template removal from mesoporous silicate materials on their adsorption of heavy

Farouq TWAIQ,M.S. NASSER,Sagheer A. ONAIZI

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 488-497 doi: 10.1007/s11705-014-1459-1

Abstract: The key aim of this study is to evaluate the adsorption of heavy oil from aqueous solutions with differentThese four samples have been characterized using X-ray diffraction, nitrogen adsorption, thermal gravimetricThe kinetic of oil adsorption over the calcined material has been also studied and the data obtained

Keywords： heavy oil     mesoporous silicate material     kinetics     template removal     adsorption    

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The influence of chlorinated aromatics' structure on their adsorption characteristics on activated carbon

Pengfei LIN,Yuan ZHANG,Xiaojian ZHANG,Chao CHEN,Yuefeng XIE,Irwin H SUFFET

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 138-146 doi: 10.1007/s11783-014-0725-2

Abstract: This study focused on evaluating the efficiency of powdered activated carbon (PAC) adsorption processThe adsorption kinetics and PAC’s capacities for five chlorobenzenes and three chlorophenols at drinkingThe results showed that PAC adsorption could be used as an effective emergency drinking water treatmentThe adsorption kinetics took 30 min to achieve nearly equilibrium and could be described by both pseudoA mathematic relationship was developed between the pseudo first-order adsorption rate constant, k ,

Keywords： chlorinated aromatics     adsorption     powdered activated carbon     kinetics     equilibrium    

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Facile synthesis of α-MnO

Weixin ZHANG, Wenran ZHAO, Zaoyuan ZHOU, Zeheng YANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 64-72 doi: 10.1007/s11705-014-1402-5

Abstract: The α-MnO micronests were demonstrated to have a higher adsorption capacity than γ-MnO microspheresKinetics, isotherms and thermodynamics for the adsorption of Congo red on α-MnO micronests were examinedThe adsorption process followed the pseudo-second-order kinetics with good correlation.The adsorption was spontaneous and endothermic according to thermodynamic studies.The experimental results indicate that α-MnO micronests possess a high adsorption capacity and could

Keywords： MnO2     Congo red     adsorption     kinetics     isotherm     thermodynamics    

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Kinetics of enhanced adsorption by polarization for organic pollutants on activated carbon fiber

HAN Yanhe, QUAN Xie, ZHAO Huimin, CHEN Shuo, ZHAO Yazhi

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 83-88 doi: 10.1007/s11783-007-0016-2

Abstract: The adsorption kinetics for model pollutants on activated carbon fiber (ACF) by polarization was investigatedKinetics data obtained for the adsorption of these model pollutants at open-circuit, 400 mV, and -400mV polarization were applied to the Lagergren equation, and adsorption rate constants () were determinedAnodic polarization enhances the adsorption of benzene with the electron-donating group., while increasing its adsorption rate.

Keywords： ACF     activated     17-fold enhancement     donor-conjugate bridge-acceptor     Electrostatic interaction    

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Removal of phenol by powdered activated carbon adsorption

Yan MA, Naiyun GAO, Wenhai CHU, Cong LI

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 158-165 doi: 10.1007/s11783-012-0479-7

Abstract: In this study, the adsorption performance of powdered activated carbon (PAC) on phenol was investigatedBatch adsorption studies were performed to evaluate the effects of various experimental parameters likePAC and establish the adsorption kinetics, thermodynamics and isothermal models.effects of all the five factors on adsorption of phenol were significant.The adsorption process can be well described by pseudo-second-order adsorption kinetic model with rate

Keywords： phenol     powdered activated carbon     adsorption     kinetics     isotherms    

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Adsorption kinetics and rejection characteristics of phthalic acid esters in NF membrane

Jin Ye,Wu Liguang,Zhang Lin

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 36-41

Abstract: The adsorption behavior and rejection characteristics of dimethyl phthalate (DMP)、 diethyl phthalateIt was found that adsorption isotherms of PAEs in DK nanofiltration membrane fit the Freundlich adsorptionThe rejection characteristics of PAEs involved in the retention of adsorption and the retention of membranepore before adsorption reaches saturation.After adsorption reaches saturation, the rejection mechanisms of PAEs could be described pore model,and

Keywords： Phthalic acid esters     Nanofiltration     Adsorption     Rejection    

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carbon-hybridized and amine-modified polyacrylonitrile nanofibers toward ultrahigh and recyclable metal ion and dye adsorption

Fengli Li, Chuang Chen, Yuda Wang, Wenpeng Li, Guoli Zhou, Haoqin Zhang, Jie Zhang, Jingtao Wang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 984-997 doi: 10.1007/s11705-020-2000-3

Abstract: with high specific surface area and chemical stability have broad prospects in the applications of adsorptionHowever, the adsorption capacity is limited by the scarcity of adsorption groups and storage space.groups for ultrahigh adsorption capability.The adsorption capability retained 80% after nine adsorption-desorption cycles.The adsorption kinetics and corresponding mechanism were further explored.

Keywords： carbon-hybridized and amine-modified nanofibers     polyacrylonitrile     metal ions and dyes     wastewater     adsorptionkinetics    

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Removal of sulfadiazine from aqueous solution on kaolinite

Jian XU, Yan HE, Yuan ZHANG, Changsheng GUO, Lei LI, Yuqiu WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 836-843 doi: 10.1007/s11783-013-0513-4

Abstract: The adsorption of sulfadiazine onto kaolinite clay as an alternative adsorbent was examined in aqueousImpacts of the contact time, pH, temperature, ionic strength and coexistent surfactants on the adsorptionThe pH significantly influenced the adsorption process, with adsorption being promoted at lower pH dueDecreasing ionic strength in the solution was favorable for adsorption, and the addition of cationicKinetic experiments showed that the adsorption followed the pseudo-second-order model.

Keywords： adsorption     kaolinite     sulfadiazine     kinetics    

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Preparation and characterization of

Chunhua XU, Dandan CHENG, Baoyu GAO, Zhilei YIN, Qinyan YUE, Xian ZHAO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 455-462 doi: 10.1007/s11783-010-0275-1

Abstract: Batch adsorption experiments were conducted to explore the adsorption of Cr(VI) in aqueous solutionsWe investigated the key factors which affected the adsorption process such as adsorbent dosage, initialThe uptake of Cr(VI) was very rapid and 44.3%, 51.6%, 58.9% of the adsorption happened during the firstThe pseudo-second-order rate equation successfully described the adsorption kinetics.To study the adsorption isotherm, two equilibrium models, the Langmuir and Freundlich isotherms, were

Keywords： β-FeOOH-coated sand     Cr(VI)     adsorption     isotherm     kinetics    

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Theoretical insights into influence of additives on sulfamethoxazole crystal growth kinetics and mechanisms

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1503-1515 doi: 10.1007/s11705-022-2294-4

Abstract: chemical potential gradient, stirring speed, and polymer type on sulfamethoxazole (SMX) crystal growth kinetics

Keywords： insoluble drugs     polymer     inhibition crystallization     crystal growth kinetics     DFT calculations    

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Combustion characteristics and kinetics of bio-oil

Ruixia ZHANG, Zhaoping ZHONG, Yaji HUANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 119-124 doi: 10.1007/s11705-009-0068-x

Abstract: characteristics of different kinds of bio-oils in different atmospheres and worked out the combustion kinetics

Keywords： bio-oil     combustion characteristics     combustion kinetics    

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Title Author Date Type Operation

Kinetics and thermodynamics of the phosphine adsorption on the modified activated carbon

Bingnan REN

Journal Article

Contributions of adsorption, bioreduction and desorption to uranium immobilization by extracellular polymeric

Journal Article

Efficient CO

Yanxia Wang, Xiude Hu, Tuo Guo, Jian Hao, Chongdian Si, Qingjie Guo

Journal Article

Removal of Rhodamine B from aqueous solutions and wastewater by walnut shells: kinetics, equilibrium

Jasmin Shah, M. Rasul Jan, Attaul Haq, Younas Khan

Journal Article

Effect of the degree of template removal from mesoporous silicate materials on their adsorption of heavy

Farouq TWAIQ,M.S. NASSER,Sagheer A. ONAIZI

Journal Article

The influence of chlorinated aromatics' structure on their adsorption characteristics on activated carbon

Pengfei LIN,Yuan ZHANG,Xiaojian ZHANG,Chao CHEN,Yuefeng XIE,Irwin H SUFFET

Journal Article

Facile synthesis of α-MnO

Weixin ZHANG, Wenran ZHAO, Zaoyuan ZHOU, Zeheng YANG

Journal Article

Kinetics of enhanced adsorption by polarization for organic pollutants on activated carbon fiber

HAN Yanhe, QUAN Xie, ZHAO Huimin, CHEN Shuo, ZHAO Yazhi

Journal Article

Removal of phenol by powdered activated carbon adsorption

Yan MA, Naiyun GAO, Wenhai CHU, Cong LI

Journal Article

Adsorption kinetics and rejection characteristics of phthalic acid esters in NF membrane

Jin Ye,Wu Liguang,Zhang Lin

Journal Article

carbon-hybridized and amine-modified polyacrylonitrile nanofibers toward ultrahigh and recyclable metal ion and dye adsorption

Fengli Li, Chuang Chen, Yuda Wang, Wenpeng Li, Guoli Zhou, Haoqin Zhang, Jie Zhang, Jingtao Wang

Journal Article

Removal of sulfadiazine from aqueous solution on kaolinite

Jian XU, Yan HE, Yuan ZHANG, Changsheng GUO, Lei LI, Yuqiu WANG

Journal Article

Preparation and characterization of

Chunhua XU, Dandan CHENG, Baoyu GAO, Zhilei YIN, Qinyan YUE, Xian ZHAO

Journal Article

Theoretical insights into influence of additives on sulfamethoxazole crystal growth kinetics and mechanisms

Journal Article

Combustion characteristics and kinetics of bio-oil

Ruixia ZHANG, Zhaoping ZHONG, Yaji HUANG

Journal Article