title: Carboxymethyl cellulose-g-poly(2-(dimethylamino) ethyl methacrylate) hydrogel as adsorbent for dye removal.
abstract: A novel adsorbent was prepared via crosslinking graft copolymerization of 2-(dimethylamino) ethyl methacrylate (DMAEMA) onto carboxymethyl cellulose (CMC) backbone. Ethylene glycol dimethacrylate and potassium persulphate were used as crosslinker and initiator, respectively. CMC-g-PDMAEMA hydrogel was used to remove methyl orange (MO) from aqueous solutions. The adsorption kinetics and isotherms were found to follow Pseudo-second-order kinetic model and Langmuir model, respectively. The high maximum adsorption capacity (1825 mg/g) implied that CMC-g-PDMAEMA can be used as promising adsorbent for the synthetic dyes removal from wastewater.
authors.affiliation: Cellulose and Paper Department, National Research Center, El-bahose Street, Dokki, Cairo 12622, Egypt. Electronic address: ahmed_nigm78@yahoo.com.
authors.forename: Ahmed
authors.initials: A
authors.lastname: Salama
authors.affiliation: Cellulose and Paper Department, National Research Center, El-bahose Street, Dokki, Cairo 12622, Egypt.
authors.forename: Nadia
authors.initials: N
authors.lastname: Shukry
authors.affiliation: Cellulose and Paper Department, National Research Center, El-bahose Street, Dokki, Cairo 12622, Egypt.
authors.forename: Mohamed
authors.initials: M
authors.lastname: El-Sakhawy
mesh_terms: D000327:Adsorption; D002266:Carboxymethylcellulose Sodium / Q000737:chemistry*; D020136:Hydrogel, Polyethylene Glycol Dimethacrylate / Q000138:chemical synthesis / Q000737:chemistry*; D007700:Kinetics; D008689:Methacrylates / Q000737:chemistry*; D009757:Nylons / Q000737:chemistry*; D011108:Polymers / Q000737:chemistry*; D017550:Spectroscopy, Fourier Transform Infrared; D013696:Temperature
chemical_list: D008689:Methacrylates; D009757:Nylons; D011108:Polymers; C407037:poly(2-(dimethylamino)ethyl methacrylate); D020136:Hydrogel, Polyethylene Glycol Dimethacrylate; D002266:Carboxymethylcellulose Sodium
keywords: Carboxymethyl cellulose; Dye removal; Graft copolymerization; Hydrogel