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Selective removal of phenol by spherical particles of

Qingchuan CHEN, Yicun WEN, Yu CANG, Li LI, Xuhong GUO, Rui ZHANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 162-169 doi: 10.1007/s11705-013-1318-5

Abstract: The kinetics and isothermal equilibrium models were used to fit the experimental data of phenol removalIt was found that the kinetics followed the Ho and Mckay equation, suggesting that the adsorption processEquilibrium isothermal data can be well fitted by the Freundlich equation.The negative free energy change indicated the spontaneous nature of adsorption of phenol by -, - and-CD spherical polymer particles, while the lowest free energy for -CD polymer reflected its best adsorption

Keywords： cyclodextrin polymer particles     phenol     kinetic models     adsorption isotherm equilibrium models    

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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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The prediction of adsorption isotherms of ester vapors on hypercrosslinked polymeric adsorbent

Liuyan WU,Lijuan JIA,Xiaohan LIU,Chao LONG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 482-490 doi: 10.1007/s11783-015-0826-6

Abstract: Adsorption isotherms of methyl acetate, ethyl acetate, propyl acetate, isopropyl acetate and ethyl propionateThe plots of the adsorbed volume ( ) versus the adsorption potential ( ) at three different temperaturesA predicted model based on DA equation was obtained on the basis of adsorption equilibrium data of methylThe model equation successfully predicted the adsorption isotherms of methyl acetate, ethyl acetate andIn addition, the relationship between physico-chemical properties of adsorbates and their adsorption

Keywords： hypercrosslinked polymeric adsorbent     adsorption isotherm     ester     prediction    

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Preparation of adsorptive nanoporous membrane using powder activated carbon: Isotherm and thermodynamic

Majid Peyravi

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 673-687 doi: 10.1007/s11705-019-1800-9

Abstract: The experimental leachate adsorption data were analyzed by Langmuir, Freundlich, and Dubinin- Radushkevichisotherm models.The isosteric heat of adsorption was lower than 80 kJ∙mol , indicating that the interaction between the

Keywords： amine functionality     nanoporous membrane     adsorption isotherm     thermodynamic parameters     landfill leachate    

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Immobilized

Pei MA, Dan ZHANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 498-508 doi: 10.1007/s11783-012-0429-4

Abstract: To investigate the potential use of ( ) residue for Cd adsorption, poly alcohol Na alginate (PVA) wasIn the presence of Pb concentration varying from 0 to 30 mg·L , the Cd adsorption ratios declined byWhile, with the coexisting ion Cu concentration varied from 0 to 30 mg·L , the Cd adsorption ratios, Freundlich, and Dubinin–Radushkevich models.The Cd adsorption processes subjected to both adsorbents follow pseudo-second-order model.

Keywords： immobilization     Lentinus edodes residue     competitive adsorption     isotherm    

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Performance and mechanism for cadmium and lead adsorption from water and soil by corn straw biochar

Tong Chi,Jiane Zuo,Fenglin Liu

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0921-y

Abstract: Corn straw biochar prepared under 400 °C was the best Cd and Pb adsorption capacity Maximum adsorptioncapacity of Cd and Pb were 43.48 and 22.73 mg·g , respectively The dominant mechanism of Cd and Pb adsorptionThe pH value of 4–7 was the optimal range for adsorption reaction.The adsorption mechanism was discussed on the basis of a range of characterizations, including X-ray

Keywords： Corn straw     Biochar     Heavy metals     Sorption isotherm     Bioavailability    

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Optimization, Kinetics, and Equilibrium Studies on the Removal of Lead(II) from an Aqueous Solution Using Article

Shridhar S. Bagali, Bychapur S. Gowrishankar, Aashis S. Roy

Engineering 2017, Volume 3, Issue 3,   Pages 409-415 doi: 10.1016/J.ENG.2017.03.024

Abstract: electron microscopy (ESEM) and Fourier-transform infrared (FTIR) spectroscopy before and after the adsorptionThe effects of the adsorption kinetics were studied by altering various parameters such as initial pHThe experimental data were analyzed using isotherm and kinetic models.The adsorption of lead(II) onto banana pseudostem powder was fitted using the Langmuir adsorption isothermThe adsorption capacity was found to be 34.21 mg·g−1, and the pseudo second-order

Keywords： Banana pseudostem     Lead     Isotherm     Adsorption     Response surface methodology    

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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 microspheresThe adsorption process followed the pseudo-second-order kinetics with good correlation.The experimental data were analyzed by Langmuir and Freundlich models, and equilibrium data fitted theLangmuir isotherm very well with maximum monolayer adsorption capacity of 625 mg·g at 22 °C.The adsorption was spontaneous and endothermic according to thermodynamic studies.

Keywords： MnO2     Congo red     adsorption     kinetics     isotherm     thermodynamics    

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into nitrogen and sulfur co-doped carbon nanotubes for effective desulfurization of liquid phases: Equilibrium

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1397-3

Abstract:

• Synthesis of NS-CNTS is used in a high desulfurization performance.

Keywords： Dibenzothiophene (DBT)     Tertiary methyl mercaptan     Adsorption     Carbon nano tube (CNT)     Desulfurization    

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Construction and Application of Mineral Flotation Adsorption Equilibrium Model: Accurately Analyze Ions/ Reagents Adsorption Behavior on Mineral Surface

Gao Ya, Fu Xinzhuang, Han Haisheng, Wang Li, Yue Tong, Sun Wei

Strategic Study of CAE 2023, Volume 25, Issue 6,   Pages 248-258 doi: 10.15302/J-SSCAE-2023.07.020

Abstract:

The mineral flotation adsorption equilibrium model is a mathematicalmodel to accurately describe ions/reagents adsorption equilibrium involved in mineral flotation.capacity and equilibrium state of flotation reagents are also difficult to clarify, making new reagentThis study discussed in detail the construction principle of the mineral flotation adsorption equilibriumThe constants containing site density Ns, protonation / deprotonation equilibrium constants Kt1/

Keywords： mineral processing     flotation mechanism     mineral flotation adsorption equilibrium model     mineral floatability    

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Adsorption of 1,3-propanediol from synthetic mixture using polymeric resin as adsorbents

W. LUERRUK, A. SHOTIPRUK, V. TANTAYAKOM, P. PRASITCHOKE, C. MUANGNAPOH

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 52-57 doi: 10.1007/s11705-009-0087-7

Abstract: The equilibrium adsorption of 1,3-PDO onto two polymeric resins were investigated in binary and tertiaryExperimental results of binary component adsorption equilibrium indicated that the adsorption capacityThe adsorption isotherms were closely predicted by the Langmuir-Freundlich model among the two isothermMoreover, the value of adsorption capacity of 1,3-PDO in the binary and tertiary component were comparedThis was due to the more favorable adsorption characteristics of XAD-7 resin than XAD-16 resin.

Keywords： adsorption     1     3-propanediol     glycerol     polymeric resin     adsorption isotherm    

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Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorptionkinetic models for the removal of methylene blue by activated carbon

Junxiong LIN , Lan WANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 320-324 doi: 10.1007/s11783-009-0030-7

Abstract: The best-fit equations of linear and non-linear forms of the two widely used kinetic models, namely pseudo-first-orderThe experimental kinetics of methylene blue adsorption on activated carbon was used for this researchThe results show that the non-linear forms of pseudo-first-order and pseudo-second-order models wereequations, and thus, the non-linear forms of kinetic equations should be primarily used to obtain the adsorption

Keywords： adsorption     pseudo-first order     pseudo-second order     kinetic model     linear method     non-linear method    

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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 solutionsThe pseudo-second-order rate equation successfully described the adsorption kinetics.To study the adsorption isotherm, two equilibrium models, the Langmuir and Freundlich isotherms, wereAt 293K, 303K and 313K, the adsorption capacities obtained from the Langmuir isotherm were 0.060, 0.070Thermodynamic parameters such as the change of energy, enthalpy and entropy were calculated using the equilibrium

Keywords： β-FeOOH-coated sand     Cr(VI)     adsorption     isotherm     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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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 adsorption kinetics took 30 min to achieve nearly equilibrium and could be described by both pseudofirst-order and pseudo second-order models.The Freundlich isotherm equation could well describe the adsorption equilibrium behaviors of chlorinated

Keywords： chlorinated aromatics     adsorption     powdered activated carbon     kinetics     equilibrium    

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Title Author Date Type Operation

Selective removal of phenol by spherical particles of

Qingchuan CHEN, Yicun WEN, Yu CANG, Li LI, Xuhong GUO, Rui ZHANG

Journal Article

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

Journal Article

The prediction of adsorption isotherms of ester vapors on hypercrosslinked polymeric adsorbent

Liuyan WU,Lijuan JIA,Xiaohan LIU,Chao LONG

Journal Article

Preparation of adsorptive nanoporous membrane using powder activated carbon: Isotherm and thermodynamic

Majid Peyravi

Journal Article

Immobilized

Pei MA, Dan ZHANG

Journal Article

Performance and mechanism for cadmium and lead adsorption from water and soil by corn straw biochar

Tong Chi,Jiane Zuo,Fenglin Liu

Journal Article

Optimization, Kinetics, and Equilibrium Studies on the Removal of Lead(II) from an Aqueous Solution Using

Shridhar S. Bagali, Bychapur S. Gowrishankar, Aashis S. Roy

Journal Article

Facile synthesis of α-MnO

Weixin ZHANG, Wenran ZHAO, Zaoyuan ZHOU, Zeheng YANG

Journal Article

into nitrogen and sulfur co-doped carbon nanotubes for effective desulfurization of liquid phases: Equilibrium

Journal Article

Construction and Application of Mineral Flotation Adsorption Equilibrium Model: Accurately Analyze Ions/ Reagents Adsorption Behavior on Mineral Surface

Gao Ya, Fu Xinzhuang, Han Haisheng, Wang Li, Yue Tong, Sun Wei

Journal Article

Adsorption of 1,3-propanediol from synthetic mixture using polymeric resin as adsorbents

W. LUERRUK, A. SHOTIPRUK, V. TANTAYAKOM, P. PRASITCHOKE, C. MUANGNAPOH

Journal Article

Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorptionkinetic models for the removal of methylene blue by activated carbon

Junxiong LIN , Lan WANG ,

Journal Article

Preparation and characterization of

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

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

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