scholarly journals Tailoring pore structure and properties of waste-derived ceramic foams for lightweight construction

RSC Advances ◽  
2019 ◽  
Vol 9 (62) ◽  
pp. 36308-36315 ◽  
Author(s):  
Congcong Jiang ◽  
Shifeng Huang ◽  
Xiuzhi Zhang ◽  
Xin Cheng
Keyword(s):  
Pore Structure ◽  
Coal Gangue ◽  
Structure And Properties ◽  
Lightweight Construction ◽  
Ceramic Foams ◽  
Waste Coal

Ceramic foams (CFs) are manufactured by recycling granite waste, coal gangue, and cullet.

Pore structure evaluation of cementing composites blended with coal by-products: Calcined coal gangue and coal fly ash

2018 ◽  
Vol 181 ◽  
pp. 75-90 ◽  
Author(s):  
Jin Yang ◽  
Ying Su ◽  
Xingyang He ◽  
Hongbo Tan ◽  
Youzhi Jiang ◽  
...  
Keyword(s):  
Fly Ash ◽  
Pore Structure ◽  
Coal Fly Ash ◽  
Coal Gangue ◽  
Structure Evaluation ◽  
By Products

CERAMICS BASED ON ORGANOSILICON POLYMERS-PRECURSORS: MICROSTRUCTURE AND PROPERTIES (review). Part 1

2021 ◽  
pp. 21-33
Author(s):  
A.M. Shestakov ◽  
Keyword(s):  
Ceramic Composite ◽  
Porous Ceramic ◽  
Ceramic Materials ◽  
Structure And Properties ◽  
Ceramic Foams ◽  
Controlled Porosity ◽  
Composition Structure ◽  
Silicon Based ◽  
Porous Ceramic Materials ◽  
Organosilicon Polymers

The paper considers the process of pyrolysis of polymers-precursors, and also shows the influence of various parameters of technological processes for obtaining ceramics on its composition, structure, and properties. The main types of binary, ternary and multicomponent silicon-based ceramics, methods of its preparation, features of structure and properties are considered, and promising directions of application of ceramics are determined. The possibility of obtaining porous ceramic materials (ceramic foams) with controlled porosity and ceramic composite materials with a given composition is noted.

Effects of flux components on the properties and pore structure of ceramic foams produced from coal bottom ash

2019 ◽  
Vol 45 (9) ◽  
pp. 12528-12534 ◽  
Author(s):  
Xuexiang Ge ◽  
Mingkai Zhou ◽  
Huaide Wang ◽  
Lishun Chen ◽  
Xian Li ◽  
...  
Keyword(s):  
Pore Structure ◽  
Bottom Ash ◽  
Ceramic Foams ◽  
Coal Bottom Ash

scholarly journals Effect of Sintering Temperature on Property of Low-Density Ceramic Proppant Adding Coal Gangue

2019 ◽  
Vol 26 (1) ◽  
pp. 94-98
Author(s):  
Jianying HAO ◽  
Huilan HAO ◽  
Yunfeng GAO ◽  
Xianjun LI ◽  
Mei QIN ◽  
...  
Keyword(s):  
Solid Waste ◽  
Bulk Density ◽  
Apparent Density ◽  
Sintering Temperature ◽  
Coal Gangue ◽  
Low Density ◽  
X Ray Diffraction ◽  
X Ray ◽  
Sintering Method ◽  
Waste Coal

Calcined flint clay (45.6 wt.% Al2O3) and solid waste coal gangue were used to prepare low-density ceramic proppant by solid state sintering method. The density and breakage ratio of the ceramic proppant were systematically investigated as a function of sintering temperature. The morphology and phase composition of the ceramic proppant were examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results show that the ceramic proppant is composed of rod-like mullite and granular cristobalite. Bulk density and apparent density of the proppant first rise and then slightly decrease with increasing the sintering temperature, while breakage ratios under 35 MPa and 52 MPa pressure gradually decrease and then increase. As the sintering temperature increases up to 1400 °C, the ceramic proppant shows denser microstructure. The proppant sintered at 1400 °C have the best performance with 1.27 g/cm3 of bulk density, 2.79 g/cm3 of apparent density, 3.27 % of breakage ratio under 35 MPa closed pressure and 8.36 % of breakage ratio under 52 MPa closed pressure, which conform to the requirement of low-density ceramic proppant. The addition of solid waste can greatly reduce the preparation cost of the ceramic proppant.

scholarly journals Pore structure and properties of porous geopolymer based on pre-swelled bentonite

2020 ◽  
Vol 254 ◽  
pp. 119226
Author(s):  
Ying Yang ◽  
Jun Jiang ◽  
Li Hou ◽  
Zhongyuan Lu ◽  
Jun Li ◽  
...  
Keyword(s):  
Pore Structure ◽  
Structure And Properties

Mix design for thermal insulation concrete using waste coal gangue as aggregate

2015 ◽  
Vol 19 (sup5) ◽  
pp. S5-878-S5-884
Author(s):  
Y. Zhang ◽  
G. Ma ◽  
Y. Liu ◽  
Z. Li
Keyword(s):  
Thermal Insulation ◽  
Coal Gangue ◽  
Mix Design ◽  
Waste Coal

Research on shotcrete in mine using non-activated waste coal gangue aggregate

2020 ◽  
Vol 259 ◽  
pp. 120810 ◽  
Author(s):  
Meng Xiao ◽  
Feng Ju ◽  
Ze-quan He
Keyword(s):  
Coal Gangue ◽  
Waste Coal

Sintering behaviour and characterisation of low-cost ceramic foams from coal gangue and waste quartz sand

2016 ◽  
Vol 115 (7) ◽  
pp. 377-383 ◽  
Author(s):  
Z. Li ◽  
X. Li ◽  
Y. Tang ◽  
T. Liu ◽  
T. Wu ◽  
...  
Keyword(s):  
Quartz Sand ◽  
Low Cost ◽  
Coal Gangue ◽  
Ceramic Foams ◽  
Sintering Behaviour
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