Results 91 to 100 of about 20,300 (346)

Accelerated and natural carbonation of concrete with high volumes of fly ash : chemical, mineralogical and microstructural effects [PDF]

, 2019
Today, a rather poor carbonation resistance is being reported for high-volume fly ash (HVFA) binder systems. This conclusion is usually drawn from accelerated carbonation experiments conducted at CO2 levels that highly exceed the natural atmospheric CO2 ...
De Belie, Nele, De Schepper, Mieke, Van den Heede, Philip   +2 more
core   +1 more source

Pulsed Electrolysis Prevents Sulfur Poisoning for Sustained Sulfide Valorization

Advanced Materials, EarlyView.
Integrating pulsed electrolysis with Sc‐doped NiFe‐LDH enables sustainable sulfide valorization, achieving >500 h stability, 99.8% efficiency. Moreover, this technology produces high‐purity sulfur and sodium formate, boosting profit by 121% to $1,294.7 per tonne of hydrogen.
Zhiyan Hou, Yangbo Ma, Yufeng Wu, Weijin Cao, Zhengxiao Guo, Changlong Wang   +5 more
wiley   +1 more source

Effects of Experimental Parameters on the Extraction of Silica and Carbonation of Blast Furnace Slag at Atmospheric Pressure in Low-Concentration Acetic Acid

Metals, 2017
Blast furnace slag (BFS), a calcium-rich industrial byproduct, has been utilized since 2005 as a mineral carbonation feedstock for CO2 sequestration, producing calcium carbonate precipitates. In this study, the conditions for the dissolution of Ca and Si
Kyungsun Song, Sangwon Park, Wonbaek Kim, Chi Wan Jeon, Ji-Whan Ahn   +4 more
doaj   +1 more source

Adsorption and recovery of phosphate from aqueous solution by the construction and demolition wastes sludge and its potential use as phosphate-based fertiliser [PDF]

, 2020
This study aimed to investigate phosphate removal from aqueous effluents by an inorganic sludge from the inert part of construction and demolition wastes (CSW) as adsorbent.
Cazacliu, Bogdan G, Dos Reis, Glaydson Simões, Dotto, Guillherme Luiz, Hoffmann Sampaio, Carlos, Kruse, Andrea, Lima, Eder Claudio, Ovsyannikova, Ekaterina, Rodríguez Correa, Catalina   +7 more
core   +4 more sources

Molecular‐Level Insights into Interfacial Adsorption Mechanisms of PFOA on Functional Dolomite Surfaces via AIMD and Spectroscopy

Advanced Materials Interfaces, EarlyView.
Perfluorooctanoic acid (PFOA), ab initio molecular dynamics (AIMD), density functional theory (DFT), Dolomite (DL), metal‐organic frameworks (MOFs), calcined modified dolomite (CDL), zero‐point of charge (PZC), metal‐organic frameworks (MOFs), Fourier transform infrared (FTIR), X‐ray diffraction (XRD), scanning electron microscopy (SEM ...
Yating Yang, Yuhan Li, Zhaohui Li, Hang Wei, Yaqi Wen, Po‐Hsiang Chang, Christopher Rensing, Ahmed I. Osman, Baoyu Kong   +8 more
wiley   +1 more source

Carbon dioxide sequestration in cementitious materials: A review of techniques, material performance, and environmental impact

Journal of CO2 Utilization
The release of carbon dioxide (CO2) into the earth's atmosphere is a substantial global environmental concern that arises from the processes of industrialization and urbanization.
Omer Ahmed, Shamsad Ahmad, Saheed K. Adekunle   +2 more
doaj   +1 more source

Research on Carbonation Characteristics and Frost Resistance of Iron Tailings Powder Concrete under Low-Cement Clinker System

Advances in Materials Science and Engineering, 2020
The accelerated carbonation, natural carbonation, fast freeze-thaw test, and pore structure analysis of C30 and C50 concrete with different proportions of iron tailings powder and slag powder were tested, respectively.
Ruidong Wu, Juanhong Liu, Guangtian Zhang, Yueyue Zhang, Shuhao An   +4 more
doaj   +1 more source

Fabrication, Properties, and Applications of Scaffolds for Bone Tissue Regeneration

Advanced Materials Technologies, EarlyView.
This review explores cutting‐edge biomaterials and fabrication techniques for scaffolds in bone tissue regeneration. It conducts a critical comparison of various strategies, meticulously analyzes the key contradictions in the field, and outlines an integrated development path spanning from biomaterial selection to clinical application, while ...
Shangsi Chen, Min Wang
wiley   +1 more source

Homogenization of Metastable Chlorine By-pass Dust through Mineral Carbonization

International Journal of Concrete Structures and Materials
Chlorine bypass dust (CBPD) from cement kilns shows significant heterogeneity due to variations in kiln operation and alternative fuels, hindering its reuse in construction materials.
Haemin Song, Minseok Oh, Intae Kim, Bae-Geun Son, Hyang-Sun Lee, Woo Sung Yum, Hun Song   +6 more
doaj   +1 more source

Ca-looping for postcombustion CO2 capture: A comparative analysis on the performances of dolomite and limestone [PDF]

, 2015
The low cost and wide availability of natural limestone (CaCO3) is at the basis of the industrial competitiveness of the Ca-looping (CaL) technology for postcombustion CO2 capture as already demonstrated by ~1Mwt scale pilot projects.
Pérez Maqueda, Luis Allan, Sánchez Jiménez, Pedro Enrique, Valverde Millán, José Manuel   +2 more
core   +1 more source