Preparation and Hydration Properties of Sodium Silicate-Activated Municipal Solid Waste Incineration Bottom Ash Composite Ground-Granulated Blast Furnace Slag Cementitious Materials DOI Creative Commons
Juan Deng,

Guoxiong Wu,

Yuchao Xia

et al.

Materials, Journal Year: 2024, Volume and Issue: 17(10), P. 2406 - 2406

Published: May 17, 2024

The production of municipal solid waste incineration bottom ash (MSWIBA) is substantial and has the potential to replace cement, despite challenges such as complex composition, uneven particle size distribution, low reactivity. This paper employs sodium silicate activation MSWIBA composite Ground-granulated Blast Furnace slag (GGBS) improve reactivity in preparing cementitious materials. It explores hydration performance materials using isothermal calorimetric analysis, Fourier-transform infrared (FTIR) spectroscopy, XRD physical diffraction SEM tests. tests were used explore properties gelling. results show that with an increase doping, porosity between increased, degree decreased, compressive strength decreased. When concentration increased from 25% 35%, excessive alkaline material occurred, impacting effect. inhibited hydration, leading a decrease and, consequently, strength. exothermic process can be divided into five main stages; quartz calcite did not fully participate reaction, while aluminum did. vibrational peaks Si-O-Ti (T = Si Al) present material. XRD, FTIR, all indicate presence alumosilicate network structures products, mainly N-A-S-H C-A-S-H gels.

Language: Английский

Geopolymer Concrete Optimization: A Critical Review of Supplementary Materials and Performance Enhancement DOI Creative Commons

Aniket B. Rupwate,

S. S. Kulkarni

Journal of Mines Metals and Fuels, Journal Year: 2025, Volume and Issue: unknown, P. 401 - 417

Published: Feb. 24, 2025

In the realm of environmentally friendly building materials, geopolymer concrete stands out as a viable substitute for traditional made cement. This literature review explores recent developments and innovations in concrete, with an emphasis on optimizing its properties through use various supplementary materials. The aim is to enhance both mechanical strength concrete's microstructural properties, while also investigating cost efficiency these enhancements. systematically examines different combinations cementitious analyzing their impact stability long-term performance. Additionally, study delves into creation precise Artificial Neural Network models using mixed synthetic data accurately predict properties. Microstructural are evaluated XRD SEM analyses, providing valuable insights structural integrity. Furthermore, comparative analysis parameters between conducted, shedding light economic viability GPC construction projects. thorough evaluation aims support ongoing research development field offering engineers, researchers, industry professionals seeking sustainable efficient Incorporating such fly ash, slag, metakaolin, significantly enhances durability (GPC), superior resistance environmental degradation, sulfate attack, compared Portland cement concrete. application artificial intelligence, specifically ANN modeling datasets, demonstrates high degree accuracy predicting compressive performance GPC. facilitates optimized reliable mix designs tailored diverse needs. A detailed highlights While initial production costs may be higher due specialized cost-effectiveness evident enhanced reduced maintenance. Its lower carbon footprint makes alternative future projects industrial by-products promotes circular economy. Major Findings: Geopolymer Concrete (GPC) can Advanced techniques like Networks (ANN) analyses (XRD, SEM) provide deeper GPC's benefits

Language: Английский

Citations

0

Bacterial epigenetics and its implication for agriculture, probiotics development, and biotechnology design DOI

Tatyana L. Povolotsky,

Hilit Levy Barazany,

Yosi Shacham‐Diamand

et al.

Biotechnology Advances, Journal Year: 2024, Volume and Issue: 75, P. 108414 - 108414

Published: Oct. 1, 2024

Language: Английский

Citations

1

Preparation and Hydration Properties of Sodium Silicate-Activated Municipal Solid Waste Incineration Bottom Ash Composite Ground-Granulated Blast Furnace Slag Cementitious Materials DOI Creative Commons
Juan Deng,

Guoxiong Wu,

Yuchao Xia

et al.

Materials, Journal Year: 2024, Volume and Issue: 17(10), P. 2406 - 2406

Published: May 17, 2024

The production of municipal solid waste incineration bottom ash (MSWIBA) is substantial and has the potential to replace cement, despite challenges such as complex composition, uneven particle size distribution, low reactivity. This paper employs sodium silicate activation MSWIBA composite Ground-granulated Blast Furnace slag (GGBS) improve reactivity in preparing cementitious materials. It explores hydration performance materials using isothermal calorimetric analysis, Fourier-transform infrared (FTIR) spectroscopy, XRD physical diffraction SEM tests. tests were used explore properties gelling. results show that with an increase doping, porosity between increased, degree decreased, compressive strength decreased. When concentration increased from 25% 35%, excessive alkaline material occurred, impacting effect. inhibited hydration, leading a decrease and, consequently, strength. exothermic process can be divided into five main stages; quartz calcite did not fully participate reaction, while aluminum did. vibrational peaks Si-O-Ti (T = Si Al) present material. XRD, FTIR, all indicate presence alumosilicate network structures products, mainly N-A-S-H C-A-S-H gels.

Language: Английский

Citations

0