期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 2, 期 3, 页码 465-471出版社
AMER CHEMICAL SOC
DOI: 10.1021/sc400475r
关键词
Lignin; Poly(N-metliylaniline); Silver ions; Sorption
资金
- Natural Science Fund of Fujian Province, China [2012J01201]
Lignin poly(N-methylaniline) (lignin-PNMA) nanocomposites were synthesized via a chemical oxidative polymerization of N-methylaniline in the presence of enzymatic hydrolysis lignin (EHL). The lignin-PNMA composite consists of well size-distributed particles of 68.3 nm in mean diameter. This nanocomposite was further used as a novel sorbent for silver ions from aqueous solution. The lignin-PNMA nanocomposite particles exhibited excellent an adsorption property of silver ions compared to those of poly(N-methylaniline) and EHL. The saturated capacity of silver ions onto the lignin-PNMA nanocomposites was up to 1556.8 mg g(-1) at 30 degrees C. Characterization results of the sorption product, i.e., lignin-PNMA nanocomposite particles after sorption, revealed that silver nanoparticles were achieved on the surface of lignin-PNMA nanocomposite particles. The results indicated that lignin-PNMA nanocomposites can be effectively used as a reactive sorbent to remove and recover silver ions from aqueous solution.
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