Synthesis, Characterization, and swelling behaviors of acrylic acid/carboxymethyl cellulose superabsorbent hydrogel by glow-discharge electrolysis plasma

2013 ◽  
Vol 54 (10) ◽  
pp. 2310-2320 ◽  
Author(s):  
Jie Yu ◽  
Gege Yang ◽  
Yun Li ◽  
Wu Yang ◽  
Jinzhang Gao ◽  
...  
Keyword(s):  
Glow Discharge ◽  
Acrylic Acid ◽  
Carboxymethyl Cellulose ◽  
Superabsorbent Hydrogel ◽  
Glow Discharge Electrolysis ◽  
Glow Discharge Electrolysis Plasma ◽  
Swelling Behaviors

scholarly journals A promising absorbent of acrylic acid/poly(ethylene glycol) hydrogel prepared by glow-discharge electrolysis plasma

2012 ◽  
Vol 10 (4) ◽  
pp. 1349-1359 ◽  
Author(s):  
Quanfang Lu ◽  
Jie Yu ◽  
Jinzhang Gao ◽  
Wu Yang ◽  
Yan Li
Keyword(s):  
Heavy Metal ◽  
Glow Discharge ◽  
Acrylic Acid ◽  
Ethylene Glycol ◽  
Metal Ion ◽  
Heavy Metal Ion ◽  
Poly Ethylene Glycol ◽  
Glow Discharge Electrolysis ◽  
Poly Ethylene ◽  
Glow Discharge Electrolysis Plasma

AbstractAn acrylic acid/poly(ethylene glycol) (AAc/PEG) hydrogel was synthesized in aqueous solution by a simple one-step method using glow-discharge electrolysis plasma (GDEP) technique. The structure of AAc/PEG hydrogel was characterized by Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS). Factors influencing the adsorption of heavy-metal ions such as solution pH, contact time, initial heavy-metal ion concentration were examined systematically by batch experiments. Results showed that both chemical complexation and ion exchange played an important role for heavy-metal ion adsorption onto AAc/PEG hydrogel. The adsorption isothermals followed the Langmuir isotherm and the adsorption kinetics fitted the pseudo-second-order model at 25°C with a pH 6. In addition, AAc/PEG hydrogel can be also regenerated and re-used.

Sign in / Sign up

Export Citation Format

Share Document