Nano‐montmorillonite‐based porous material prepared by gel casting: structure and adsorption properties. (1st March 2018)

• Record Type: Journal Article
• Authors: E, Tao; Li, Ying; Yang, Shuyi; Qian, Jianhua; Liu, Lin; Xing, Jinjuan
• Is Part Of: Micro & nano letters. Volume 13:Number 3(2018)
• Page Start: 332
• Page End: 334
• Publication Date: 2018-03-01
• Subjects: nanoporous materials -- casting -- gels -- adsorption -- sintering -- nanofabrication; nano‐montmorillonite‐based porous material -- gel casting -- structure -- adsorption properties -- nano‐montmorillonite powder -- tanning waste water -- removal rate -- adsorption quantity -- sintering temperature -- adsorption capacity -- crystal shape -- lamellar structure -- temperature 600 degC; Nanotechnology -- Periodicals; Nanostructures -- Periodicals; Microtechnology -- Periodicals; 620.5
• DOI: 10.1049/mnl.2017.0531
• Languages: English
• ISSNs: 1750-0443

Abstract

Abstract : Porous materials (P‐Mt) were prepared via gel casting method by nano‐montmorillonite (Nano‐Mt) powder. P‐Mt possessed adsorption capability to low concentration Cr 3+ in tanning waste water. The initial concentration of Cr 3+ was 10 mg/L (pH = 3 ± 0.1), its removal rate and adsorption quantity were 72.50% and 5.80 mg/g, respectively, when P‐Mt was sintered at 600°C. While sintering temperature was higher than 700°C, its adsorption capacity to Cr 3+ was damped because crystal shape and lamellar structure of P‐Mt were significantly changed. It demonstrates that 600°C was a better sintering temperature at which P‐Mt could efficiently remove Cr 3+ in tanning waste water. Moreover, the problem of easily aggregation and difficult recycle in liquid with Nano‐Mt powder was solved according to this method.