Sorption of hexavalent chromium from water and water-organic solvents onto an ion exchanger Tulsion A-23(Gel)

被引：6

作者：

Koujalagi, Prasanna S. ^{[1
]}

Divekar, Sanjaykumar V. ^{[2
]}

Kulkarni, Raviraj M. ^{[2
]}

Cuerda-Correa, Eduardo M. ^{[3
]}

机构：

[1] Angadi Inst Technol & Management, Dept Chem, Savagaon Rd, Belagavi 590009, India

[2] Gogte Inst Technol, Dept Chem, KLS, Udyambag 590008, Belagavi, India

[3] Univ Extremadura, Dept Inorgan Chem, Fac Sci, Avda Elvas S-N, E-06071 Badajoz, Spain

来源：

DESALINATION AND WATER TREATMENT | 2016年 / 57卷 / 50期

关键词：

Chromium(VI); Ion exchange; Adsorption isotherm; Kinetics; Equilibrium; AQUEOUS-SOLUTION; WASTE-WATER; ACTIVATED CARBON; CR(VI) REMOVAL; ADSORPTION; RESINS; SHELL; VI; SPECTROPHOTOMETER; EQUILIBRIUM;

D O I：

10.1080/19443994.2016.1138329

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The sorption of hexavalent chromium from water and water-organic solvents onto an ion exchange resin Tulsion A-23(Gel) is reported under various experimental conditions such as initial metal concentration, contact time, temperature, pH, and dielectric constant of the medium. The batch ion-exchange process was relatively fast and it reached equilibrium after 110min of contact. The ion-exchange process, which is pH dependent, showed maximum removal of chromium(VI) in the pH range 7.0-9.0 for an initial chromium(VI) concentration of 0.0011M. The equilibrium related to Tulsion A-23(Gel) ion-exchange capacity and the total amounts of the ion exchange were obtained using plots of the Langmuir and Freundlich adsorption isotherms. Various thermodynamic parameters have also been evaluated, including differential adsorption enthalpy and entropy.

引用

页码：23965 / 23974

页数：10

共 42 条

[1] Investigation of removal of Cr(VI), Mo(VI), W(VI), V(IV), and V(V) oxy-ions from industrial waste-waters by adsorption and electrosorption at high-area carbon cloth [J].

Afkhami, A ;

Conway, BE .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2002, 251 (02) :248-255

[2] Cr(VI) removal from aqueous solution by iron (III) hydroxide-loaded sugar beet pulp [J].

Altundogan, HS .

PROCESS BIOCHEMISTRY, 2005, 40 (3-4) :1443-1452

[3]

[Anonymous], 2005, STANDARD METHODS EXA, V21st

[4]

[Anonymous], J MET MAT SCI

[5] Cr(VI) removal from synthetic wastewater using coconut shell charcoal and commercial activated carbon modified with oxidizing agents and/or chitosan [J].

Babel, S ;

Kurniawan, TA .

CHEMOSPHERE, 2004, 54 (07) :951-967

[6] Studies on enhancement of Cr(VI) biosorption by chemically modified biomass of Rhizopus nigricans [J].

Bai, RS ;

Abraham, TE .

WATER RESEARCH, 2002, 36 (05) :1224-1236

[7] Application of Central Composite Design approach for removal of chromium (VI) from aqueous solution using weakly anionic resin: Modeling, optimization, and study of interactive variables [J].

Bajpai, Shailendra ;

Gupta, S. K. ;

Dey, Apurba ;

Jha, M. K. ;

Bajpai, Vidushi ;

Joshi, Saurabh ;

Gupta, Arvind .

JOURNAL OF HAZARDOUS MATERIALS, 2012, 227 :436-444

[8] Removal of cadmium (II) from aqueous solution using pure smectite and Lewatite S 100: the effect of time and metal concentration [J].

Bedoui, K. ;

Bekri-Abbes, I. ;

Srasra, E. .

DESALINATION, 2008, 223 (1-3) :269-273

[9] Metal removal from wastewater using peat [J].

Brown, PA ;

Gill, SA ;

Allen, SJ .

WATER RESEARCH, 2000, 34 (16) :3907-3916

[10]

Freundlich H, 1906, Z PHYS CHEM-STOCH VE, V57, P385

← 1 2 3 4 5 →