Results 31 to 40 of about 24,865 (304)

A review of the engineered treatment of red mud: Construction materials, metal recovery, and soilization revegetation

Results in Engineering
Red mud, known as bauxite residue, is an alkaline solid waste generated during alumina production. Globally, the stockpile of red mud is about 3 billion tons and is increasing at a rate of 150 million tons per year.
Kai Jia, Zhenxing Zhou, Shiv Vendra Singh, Chongqing Wang   +3 more
doaj   +1 more source

Study on the strength characteristics and micro-mechanism of modified solidified red mud

Frontiers in Materials
The residue generated during the production process of alumina, known as red mud, is a type of solid waste. The engineering properties of red mud can be significantly enhanced through the modification and solidification using inorganic materials.
Ziyi Ding, Yu Cheng, Lu Jin, Wentong Wang, Shiying Yan   +4 more
doaj   +1 more source

The effect of chemical and mineralogical composition of red mud on alkalinity parameters

Zaštita Materijala, 2017
Red mud is highly alkaline colloidal suspension, which remains after processing bauxite into alumina by Bayer’s proceedings. Despite repeated washing red mud keep strong alkalinity, due to the presence of residual base and a number of alkaline minerals ...
Ljubica Vasiljević, Gordana Ostojić
doaj   +1 more source

Conceptualising quality early childhood education: Learning from young children in Brazil and South Africa through creative and play‐based methods

British Educational Research Journal, EarlyView., 2023
Abstract Early childhood has increasingly been acknowledged as a vital time for all children. Inclusive and quality education is part of the United Nations Sustainable Development Goals, with the further specification that all children have access to quality pre‐primary education.
Laura H. V. Wright, Irene Rizzini, Malibongwe Gwele, Lynn McNair, Cristina Laclette Porto, Marsha Orgill, E. Kay M. Tisdall, Malcolm Bush, Linda Biersteker   +8 more
wiley   +1 more source

Investigation on the mechanical and microstructure properties of masonry cement-red mud-carbide slag-based paste

Case Studies in Construction Materials
The high alkalinity and complex phase composition of red mud pose significant challenges for its direct utilization. The construction industry is widely regarded as the most viable option for large-scale consumption of red mud to mitigate its continuous ...
Xiaoqian Cen, Yaqing Zhang, Hongen Zhang
doaj   +1 more source

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

Advanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele, Hossein Ipakchi, Tizazu H. Mekonnen   +2 more
wiley   +1 more source

Mechanical Behavior and Fracture Mechanisms of MXene/PVDF Nanocomponsites: In Situ Characterization and Multiscale Analysis

Advanced Functional Materials, EarlyView.
Multiscale experiments and modeling reveal how Ti3C2Tx MXene nanosheets reinforce PVDF nanocomposites. An optimal MXene loading (∼1 wt.%) nearly doubles tensile strength through efficient stress transfer, flake alignment, and crack‐deflection mechanisms, transforming ductile polymer behavior into a controlled multi‐stage fracture pathway which aligns ...
Bita Soltan Mohammadlou, James FitzPatrick, Li Meng, Kateryna Shevchuk, Ahmad Najafi, Yury Gogotsi   +5 more
wiley   +1 more source

Experimental Research on the Bearing Properties of Red Mud Geopolymer Foundations

Frontiers in Earth Science, 2022
In this study, the mechanical properties of composite foundations in red mud ground were examined, and the reinforcement effect of composite foundation dams with mixed geopolymer piles of fly ash and red mud were determined.
Haiqing Zhang, Haiqing Zhang, Lusheng Qin, Lusheng Qin, Qingke Nie, Qingke Nie, Yinghui Wang, Xiangxin Jia   +7 more
doaj   +1 more source

Red mud as a carbon sink : variability, affecting factors and environmental significance

, 2012
The capacity of red mud to sequester CO2 varied markedly due to differences in bauxite type, processingand disposal methods. Calcium carbonates were the dominant mineral phases responsible for the carbonsequestration in the investigated red mud types ...
Lin, C, Ma, Yingqun, Si, Chunhua, Ma, Y, Lin, Chuxia, Si, C   +5 more
core   +1 more source

Multimodal Soft Surgical Robots Enabled by Eco‐Degradable, Sterilizable Polymers and Transient Electronics

Advanced Functional Materials, EarlyView.
A compostable PGS soft surgical robot with interchangeable modules integrates transient Mo tactile and Si thermal sensors for dual feedback. The device preserves its function after clinical‐grade sterilization, demonstrates stable actuation and cardiac tissue grasping with real‐time in vivo pulsatile monitoring, and biodegrades post‐use with soil‐safe, 
Minseong Chae, Kyung‐Sub Kim, Gyeong‐Seok Hwang, Jun‐Seok Shim, Sung‐Woo Kim, Yong‐Wu Kim, Jieun Han, Jae‐Young Bae, Jae‐Hwan Lee, Minjung Chae, Jooik Jeon, Joo‐Hyeon Park, You‐Jung Park, Ju‐Yong Lee, Sung‐Geun Choi, Min‐Ha Oh, Yong‐Joong Shin, Young‐In Ryu, Ji‐Woo Gu, Seong‐Yu Choi, Jeong‐Yun Sun, Jung Keun Hyun, Myoung‐Ryul Ok, Sang Yup Kim, Edyta Wyszkowska, Ju‐Young Kim, Kang‐Sik Lee, Seung‐Kyun Kang   +27 more
wiley   +1 more source