scholarly journals Thermogravimetry applied to characterization of fly ash-based MCM-41 mesoporous materials

2011 ◽  
Vol 107 (3) ◽  
pp. 911-921 ◽  
Author(s):  
Izabela Majchrzak-Kucęba
Keyword(s):  
Fly Ash ◽  
Mesoporous Materials ◽  
Mcm 41

Alkali-hydrothermal synthesis and characterization of W-MCM-41 mesoporous materials with various Si/W molar ratios

2013 ◽  
Vol 270 ◽  
pp. 590-595 ◽  
Author(s):  
Hai-Yan Wu ◽  
Xiao-Li Zhang ◽  
Chun-Yan Yang ◽  
Xi Chen ◽  
Xiu-Cheng Zheng
Keyword(s):  
Hydrothermal Synthesis ◽  
Mesoporous Materials ◽  
Synthesis And Characterization ◽  
Molar Ratios ◽  
Mcm 41

Characterization of Covalent Linkages in Organically Functionalized MCM-41 Mesoporous Materials by Solid-State NMR and Theoretical Calculations

2007 ◽  
Vol 111 (15) ◽  
pp. 3877-3885 ◽  
Author(s):  
Jerzy W. Wiench ◽  
Yamini S. Avadhut ◽  
Niladri Maity ◽  
Sumit Bhaduri ◽  
Goutam Kumar Lahiri ◽  
...  
Keyword(s):  
Solid State ◽  
Mesoporous Materials ◽  
Solid State Nmr ◽  
Theoretical Calculations ◽  
Mcm 41

Characterization of MCM-41 mesoporous materials derived from polish fly ashes

2011 ◽  
Vol 101 (1-4) ◽  
pp. 100-111 ◽  
Author(s):  
Izabela Majchrzak-Kucęba ◽  
Wojciech Nowak
Keyword(s):  
Mesoporous Materials ◽  
Fly Ashes ◽  
Mcm 41

Facile synthesis and characterization of 12-tungstophosphoric acid anchoring MCM-41 mesoporous materials

2014 ◽  
Vol 114 ◽  
pp. 72-75 ◽  
Author(s):  
Ya Chen ◽  
Xi Chen ◽  
Bei-Bei Dong ◽  
Gui-Hong Wang ◽  
Xiu-Cheng Zheng
Keyword(s):  
Mesoporous Materials ◽  
Tungstophosphoric Acid ◽  
Synthesis And Characterization ◽  
Facile Synthesis ◽  
Mcm 41

Characterization of lead-bearing phases in municipal waste combustor fly ash

1996 ◽  
Vol 54 ◽  
pp. 516-517
Author(s):  
L. L. Sutter ◽  
G. R. Dewey ◽  
J. F. Sandell
Keyword(s):  
Fly Ash ◽  
Bottom Ash ◽  
Municipal Waste ◽  
Primary Concern ◽  
Leaching Behavior ◽  
Waste Combustion ◽  
Lead And Cadmium ◽  
Lead Speciation ◽  
Accepted Practice

Municipal waste combustion typically involves both energy recovery as well as volume reduction of municipal solid waste prior to landfilling. However, due to environmental concerns, municipal waste combustion (MWC) has not been a widely accepted practice. A primary concern is the leaching behavior of MWC ash when it is stored in a landfill. The ash consists of a finely divided fly ash fraction (10% by volume) and a coarser bottom ash (90% by volume). Typically, MWC fly ash fails tests used to evaluate leaching behavior due to high amounts of soluble lead and cadmium species. The focus of this study was to identify specific lead bearing phases in MWC fly ash. Detailed information regarding lead speciation is necessary to completely understand the leaching behavior of MWC ash.

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