Preparation and Properties of Pseudo-boehmite Obtained from High-Alumina Fly Ash by a Sintering–CO2 Decomposition Process

JOM ◽  
2018 ◽  
Vol 71 (2) ◽  
pp. 499-507 ◽  
Author(s):  
Guozhi Lu ◽  
Tingan Zhang ◽  
Wei Feng ◽  
Weiguang Zhang ◽  
Yanxiu Wang ◽  
...  
Keyword(s):  
Fly Ash ◽  
Decomposition Process ◽  
High Alumina ◽  
Co2 Decomposition

Abundances and distribution of minerals and elements in high-alumina coal fly ash from the Jungar Power Plant, Inner Mongolia, China

2010 ◽  
Vol 81 (4) ◽  
pp. 320-332 ◽  
Author(s):  
Shifeng Dai ◽  
Lei Zhao ◽  
Suping Peng ◽  
Chen-Lin Chou ◽  
Xibo Wang ◽  
...  
Keyword(s):  
Fly Ash ◽  
Power Plant ◽  
Inner Mongolia ◽  
Coal Fly Ash ◽  
High Alumina

scholarly journals Assessment of the Rheological and Mechanical Properties of Geopolymer Concrete Comprising Fly Ash and Fluid Catalytic Cracking Residue as Aluminosilicate Precursor

2021 ◽  
Vol 11 (7) ◽  
pp. 3032
Author(s):  
Tuan Anh Le ◽  
Sinh Hoang Le ◽  
Thuy Ninh Nguyen ◽  
Khoa Tan Nguyen
Keyword(s):  
Mechanical Properties ◽  
Compressive Strength ◽  
Elastic Modulus ◽  
Fly Ash ◽  
Flexural Strength ◽  
Catalytic Cracking ◽  
Fluid Catalytic Cracking ◽  
High Alumina ◽  
Geopolymer Concrete ◽  
Sem Images

The use of fluid catalytic cracking (FCC) by-products as aluminosilicate precursors in geopolymer binders has attracted significant interest from researchers in recent years owing to their high alumina and silica contents. Introduced in this study is the use of geopolymer concrete comprising FCC residue combined with fly ash as the requisite source of aluminosilicate. Fly ash was replaced with various FCC residue contents ranging from 0–100% by mass of binder. Results from standard testing methods showed that geopolymer concrete rheological properties such as yield stress and plastic viscosity as well as mechanical properties including compressive strength, flexural strength, and elastic modulus were affected significantly by the FCC residue content. With alkali liquid to geopolymer solid ratios (AL:GS) of 0.4 and 0.5, a reduction in compressive and flexural strength was observed in the case of geopolymer concrete with increasing FCC residue content. On the contrary, geopolymer concrete with increasing FCC residue content exhibited improved strength with an AL:GS ratio of 0.65. Relationships enabling estimation of geopolymer elastic modulus based on compressive strength were investigated. Scanning electron microscope (SEM) images and X-ray diffraction (XRD) patterns revealed that the final product from the geopolymerization process consisting of FCC residue was similar to fly ash-based geopolymer concrete. These observations highlight the potential of FCC residue as an aluminosilicate source for geopolymer products.

Chemical Alumina Preparation by Using High Alumina Content Fly Ash

2017 ◽  
pp. 115-120 ◽  
Author(s):  
Guozhi Lv ◽  
Ting-an Zhang ◽  
Weiguang Zhang ◽  
Xiaofeng Zhu ◽  
Yan Liu ◽  
...  
Keyword(s):  
Fly Ash ◽  
Alumina Content ◽  
High Alumina ◽  
High Alumina Content

Influence of residual carbon on the decomposition process of PCDD/Fs in MSWI fly ash

Chemosphere ◽  
2005 ◽  
Vol 58 (7) ◽  
pp. 969-975 ◽  
Author(s):  
Y. Kakuta ◽  
T. Matsuto ◽  
N. Tanaka ◽  
T. Masuda
Keyword(s):  
Fly Ash ◽  
Decomposition Process ◽  
Residual Carbon ◽  
Mswi Fly Ash

A novel process for synthesis of tobermorite fiber from high-alumina fly ash

2016 ◽  
Vol 65 ◽  
pp. 11-18 ◽  
Author(s):  
Jian Ding ◽  
Zhenhua Tang ◽  
Shuhua Ma ◽  
Yuejiao Wang ◽  
Shili Zheng ◽  
...  
Keyword(s):  
Fly Ash ◽  
High Alumina

Heavy metal flows in multi-resource utilization of high-alumina coal fly ash: a substance flow analysis

2014 ◽  
Vol 17 (3) ◽  
pp. 757-766 ◽  
Author(s):  
Chenjian Yu ◽  
Huiquan Li ◽  
Xiaoping Jia ◽  
Bo Chen ◽  
Qiang Li ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Fly Ash ◽  
Resource Utilization ◽  
Coal Fly Ash ◽  
Flow Analysis ◽  
High Alumina ◽  
Substance Flow Analysis ◽  
Substance Flow
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