Hierarchical structures based on natural carbons and zeolites

被引:8
作者
Hernandez-Ramirez, Oscar [1 ]
Al-Nasri, Salam K. [1 ]
Holmes, Stuart M. [1 ]
机构
[1] Univ Manchester, Sch Chem Engn & Analyt Sci, Manchester M13 9PL, Lancs, England
关键词
WATER-TREATMENT APPLICATIONS; ADSORPTION; REMOVAL; SILICATES; ARSENATE; ARSENITE; FIBERS; TUFFS; IONS;
D O I
10.1039/c0jm02710c
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Hierarchical porous structures have been widely synthesised to provide the most beneficial flow and surface area characteristics for a range of liquid and gas phase processes. We present three novel hierarchical porous structures based on carbonised olive seeds, coconut shells and coconut fibres coupled with zeolite Y. The structures are synthesised using a new seeding technique based around milling commercially available zeolite Y to provide nano-seeds for the growth step. The efficacy of the structures for the removal of ionic cobalt and arsenic contaminants is demonstrated with complete arsenic removal at simulated pollution levels. In addition, the vitrification of the structures to completely encapsulate cobalt ions, allowing no detectable release, is also described. All steps of the synthesis are tailored to produce the most economically viable materials using inexpensive starting materials and replacing, costly, colloidal seeds of zeolite Y with ball milled replacements.
引用
收藏
页码:16529 / 16534
页数:6
相关论文
共 37 条
[1]  
Breck D., 1974, Zeolite Molecular Sieves: Structure, Chemistry and Use, P771, DOI DOI 10.1093/CHROMSCI/13.4.18A-C
[2]   REMOVAL OF CO-60 BY ZEOLITES AND CLAYS [J].
CARRERA, LM ;
GOMEZ, S ;
BOSCH, P ;
BULBULIAN, S .
ZEOLITES, 1993, 13 (08) :622-625
[3]  
*CHEM SOC, 1979, PROP APPL ZEOL P C O
[4]   Synthesis and characterization of Ce-ZSM-5 zeolite membranes [J].
Cheng, Yue ;
Li, Jian-Sheng ;
Wang, Lian-Jun ;
Sun, Xiu-Yun ;
Liu, Xiao-Dong .
SEPARATION AND PURIFICATION TECHNOLOGY, 2006, 51 (02) :210-218
[5]   Ordered porous materials for emerging applications [J].
Davis, ME .
NATURE, 2002, 417 (6891) :813-821
[6]   Bacterial templating of ordered macrostructures in silica and silica-surfactant mesophases [J].
Davis, SA ;
Burkett, SL ;
Mendelson, NH ;
Mann, S .
NATURE, 1997, 385 (6615) :420-423
[7]   Sorption of AsV on alumino silicates treated with FeII nanoparticles [J].
Dousova, Barbora ;
Grygar, Tomas ;
Martaus, Alexandr ;
Fuitova, Lucie ;
Kolousek, David ;
Machovic, Vladimir .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2006, 302 (02) :424-431
[8]  
Dyer A., 1988, INTRO ZEOLITE MOL SI
[9]   Uptake of arsenite and arsenate by clinoptilolite-rich tuffs [J].
Elizalde-González, MP ;
Mattusch, J ;
Wennrich, R ;
Morgenstern, P .
MICROPOROUS AND MESOPOROUS MATERIALS, 2001, 46 (2-3) :277-286
[10]  
FMC CORP, 1979, Patent No. 4173622