Journal of environmental chemical engineering, Journal Year: 2024, Volume and Issue: unknown, P. 114460 - 114460
Published: Oct. 1, 2024
Language: Английский
Results in Engineering, Journal Year: 2024, Volume and Issue: unknown, P. 103242 - 103242
Published: Oct. 1, 2024
Language: Английский
Citations
4
Remediation Journal, Journal Year: 2025, Volume and Issue: 35(2)
Published: Jan. 1, 2025
ABSTRACT Mining activities generate large amounts of waste in the form mud that is disposed containment dams. When such dams collapse, serious accidents can happen, like one occurred Brumadinho, Minas Gerais, Brazil, killing 272 people and contaminating rivers areas native forests. On other hand, there are also two types plastic which after production use environment or landfills, causing contamination leading to release microplastics: (1) scraps from textile industry (2) polyethylene terephthalate (PET) packaging. This work presents a proposal for remediation three materials (iron ore tailings, polyester fabric waste, PET waste). In this sense, kinds bricks were produced, them combining iron tailings wastes, other, wastes. Both evaluated construction social housing. The results show these similar soil‐cement bricks, with windbreak walls residential buildings be built, supporting all loads concerning popular Brazilian housing project. It said new composite material has been developed, appropriate technical properties as compressive strength water absorption, reduce environmental liabilities consumption virgin raw materials, normally removed environment, addition reducing those pollutants into environment.
Language: Английский
Citations
0
Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)
Published: Feb. 21, 2025
The increasing demand for sustainable construction materials has led to exploring alternative resources, such as mine tailings in ultra-high-performance fiber-reinforced concrete (UHPFRC). Conventional production is associated with significant environmental impact and resource depletion, necessitating the search alternatives. This study investigates effects of incorporating powder (MTP) sand (MTS) substitutions cement quartz on mechanical durability properties UHPFRC. current focuses evaluating workability, compressive strength, indirect tensile modulus rupture, sulfate resistance, autogenous shrinkage, thermal performance, porosity, hydration kinetics, phase composition UHPFRC varying MTP MTS contents. Results indicate that optimal mix 15% 60% enhances strength by 12.49% (165.2 MPa at 90 days), reduces shrinkage 49.28% (1023 microns 180 significantly improves a residual 115.2 mass loss 25.4%. workability tests show decrease flow spread from 274 mm control 221 25% 100% MTS. Indirect increased 23.53% (23.1 rupture improved 23.04% (23.5 days) mix. Mercury intrusion Porosimetry reveals total pore volume, especially larger sizes, highest observed containing 5% 20% heat analysis shows delayed Tmax 30 h 36 MTS, indicating slower more controlled process. X-ray diffraction demonstrates reduction peak intensities, marking transition crystalline amorphous structures content. microstructural characteristics, reduced porosity enhanced stability, contribute material's long-term making it viable option practices.
Language: Английский
Citations
0
Journal of CO2 Utilization, Journal Year: 2025, Volume and Issue: 94, P. 103058 - 103058
Published: March 5, 2025
Language: Английский
Citations
0
Journal of environmental chemical engineering, Journal Year: 2024, Volume and Issue: unknown, P. 114460 - 114460
Published: Oct. 1, 2024
Language: Английский
Citations
1