A bibliometric analysis of research progress and trends on fly ash-based geopolymer

Q Tian, Y Pan, Y Bai, S Yao, S Sun - Materials, 2022 - mdpi.com
The objective of this work is to present the research progress and applications of fly ash-
based geopolymer, and summarize the future research hotpots. Since 1998, scholars have …

Recovering unburned carbon from gasification fly ash using saline water

R Zhang, F Guo, Y **a, J Tan, Y **ng, X Gui - Waste Management, 2019 - Elsevier
Gasification fly ash is one of the wastes generated by coal gasifiers, and the unburned
carbon therein seriously restricts the resource utilization of gasification fly ash. Flotation is …

Utilization of Coal gasification fine ash for construction material: From physical and chemical properties to the hydration activity of thermally modified CGFA

J Zhao, X Zhang, J Sheng, Y Wang, G He… - Journal of Environmental …, 2023 - Elsevier
Coal gasification technology is the core of clean and efficient utilization of coal, while coal
gasification fine ash (CGFA) is the solid waste inevitably produced in the coal gasification …

Decarburization and ash characteristics during melting combustion of fine ash from entrained-flow gasifier

W Wang, W Li, C Liang, L Zhou, Q Ren - Energy, 2023 - Elsevier
Disposal of gasification fine ash (GFA), a by-product of coal gasification, is still dominated by
stockpiles, increasing land and environmental problems. To explore ways to reduce and …

Spectroscopic and first-principles investigations of iodine species incorporation into ettringite: Implications for iodine migration in cement waste forms

B Guo, Y **ong, W Chen, SA Saslow, N Kozai… - Journal of hazardous …, 2020 - Elsevier
Low-level radioactive wastes are commonly immobilized in cementitious materials, where
cement-based material can incorporate radionuclides into their crystal structure. Specifically …

Immobilization mechanism of Se oxyanions in geopolymer: Effects of alkaline activators and calcined hydrotalcite additive

Q Tian, B Guo, K Sasaki - Journal of hazardous materials, 2020 - Elsevier
Geopolymers have been widely adopted to stabilize the cationic pollutants. However, few
studies have focused on the immobilization of anionic species. In this study, the …

Immobilization of cesium in fly ash-silica fume based geopolymers with different Si/Al molar ratios

Q Tian, S Nakama, K Sasaki - Science of the total environment, 2019 - Elsevier
Geopolymers are considered as promising matrixes for waste solidification. However, the
effects of the Si/Al molar ratio of geopolymer on the immobilization efficiencies for metal ions …

[HTML][HTML] Dolomite industrial by-products as active material for CO2 adsorption and catalyst for the acetone condensation

D Ursueguía, L Faba, E Díaz, R Caballero… - Waste Management, 2023 - Elsevier
The feasibility of using dolomite powders, by-product from the refractory industry, as a CO 2
adsorbent and as a catalyst for the acetone liquid-phase self-condensation is demonstrated …

Hierarchical porous nanosilica derived from coal gasification fly ash with excellent CO2 adsorption performance

Y Liu, Z Wang, W Zhao, J Hou, L Cui, L Zou, C Li… - Chemical Engineering …, 2023 - Elsevier
The preparation of mesoporous silica from solid waste is an effective method to realize high-
value utilization of solid waste and reduce the synthesis cost of mesoporous silica. However …

Construction of coal fly ash-based spherical grain adsorbents and their adsorption characteristics on phenolic compounds

X Jia, Y Liu, Z Yang, A Zhang, P Liu, Z Liu - Colloids and Surfaces C …, 2024 - Elsevier
Addressing the significant emissions and severe pollution hazards posed by coal fly ash
waste in the coal chemical industry, as well as the challenges in recovering phenolic …