Frontiers of Chemical Science and Engineering >
Microfluidic synthesis of renewable biosorbent with highly comprehensive adsorption performance for copper (II)
Received date: 03 Jul 2016
Accepted date: 27 Aug 2016
Published date: 12 May 2017
Copyright
A microsphere biosorbent with uniform size (CV= 1.52%), controllable morphology and component, and high mechanical strength was synthesized from chitosan by microfluidic technology combining with chemical crosslinking and solvent extraction. This chitosan microsphere (CS-MS) was prepared with a two-step solidification process, which was acquired by drying for the enhancement of mechanical property in final. The adsorption behavior of CS-MS towards copper (II) and main influencing factors on adsorption performance were investigated by batch experiments. Kinetic data highlighted dominant chemical bonding along with electrons transferring in adsorption process. Isothermal analysis indicated that adsorption capacity was relevant to the number of active site. All these explorations provided a new direction for preparing highly comprehensive performance sorbent used in heavy metal treatment via microfluidic technology.
Key words: chitosan microsphere; microfluidic technology; adsorption; copper (II)
Yong Zhu , Zhishan Bai , Bingjie Wang , Linlin Zhai , Wenqiang Luo . Microfluidic synthesis of renewable biosorbent with highly comprehensive adsorption performance for copper (II)[J]. Frontiers of Chemical Science and Engineering, 2017 , 11(2) : 238 -251 . DOI: 10.1007/s11705-017-1627-1
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