Chitosan-g-poly(acrylic acid)-bentonite composite: a potential immobilizing agent of heavy metals in soil
Sign Up to like & getrecommendations! Published in 2018 at "Cellulose"
DOI: 10.1007/s10570-018-1828-x
Abstract: Aiming to achieve heavy metal adsorption in water and soil environments, a montmorillonite rich bentonite was graft-copolymerized with chitosan, and the obtained composite material was evaluated as a metal immobilizing agent for remediating metal contaminated… read more here.
Keywords: adsorption; immobilizing agent; metal; heavy metals ... See more keywords
Hydraulic and mechanical characteristics of compacted sand–bentonite: tyre chips mix for its landfill application
Sign Up to like & getrecommendations! Published in 2018 at "Environment, Development and Sustainability"
DOI: 10.1007/s10668-018-0094-2
Abstract: Compacted sand–bentonite mixtures are generally placed at waste dumping places as a means of avoiding contaminant movement to reduce or remove the potential for groundwater pollution. Owing to their almost impermeable nature and high pollutant… read more here.
Keywords: compacted sand; sand bentonite; tyre chips; landfill application ... See more keywords
Water Retention Characteristics of Fly Ash–Bentonite Mix
Sign Up to like & getrecommendations! Published in 2020 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-020-01220-w
Abstract: The use of sand–bentonite mixes as hydraulic barrier in municipal and hazardous landfills are established in the literature. Environmental awareness and stringent rules on river conservation has restricted the free availability of construction sand making… read more here.
Keywords: ash bentonite; water retention; bentonite; fly ash ... See more keywords
Green synthesis of Fe3O4/bentonite-supported Ag and Pd nanoparticles and investigation of their catalytic activities for the reduction of azo dyes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-019-02514-3
Abstract: In this work, the biosynthesis of Ag or Pd nanoparticles (NPs) supported on Fe3O4/bentonite using an aqueous Salix aegyptiaca leave extract in the role of reducing and stabilizing agent was reported. Techniques of fourier transform… read more here.
Keywords: reduction; fe3o4 bentonite; spectroscopy; azo dyes ... See more keywords
Efficient removal of contaminants from waste lubricant oil by nano-porous bentonite produced via microwave-assisted rapid activation: process identifications and optimization
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-019-05625-w
Abstract: The low-cost Ca-bentonite was rapidly converted to a mesoporous adsorbent via microwave-assisted acidification and the obtained materials were employed for the removal of contaminants from waste lubricant oil. In order to understand the role of… read more here.
Keywords: via microwave; waste; microwave assisted; removal contaminants ... See more keywords
Purification and economic analysis of nanoclay from bentonite
Sign Up to like & getrecommendations! Published in 2020 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-020-11595-1
Abstract: Nowadays, due to the most application of montmorillonite, its purification from raw bentonite has great importance. More than 76% of bentonite is composed of montmorillonite, and its industrial applications are related to its montmorillonite content.… read more here.
Keywords: economic analysis; analysis; nanoclay; bentonite ... See more keywords
Effect of alkaline solutions on bentonite properties
Sign Up to like & getrecommendations! Published in 2017 at "Environmental Earth Sciences"
DOI: 10.1007/s12665-017-6704-8
Abstract: The influence of alkaline aqueous solutions on the properties of bentonite was investigated to evaluate the performance of bentonitic engineered barriers when contacted with alkaline groundwater. Batch and hydraulic conductivity tests were conducted on Na-bentonite… read more here.
Keywords: hydraulic conductivity; alkaline solutions; effect; solution ... See more keywords
Effect of Phosphate Dispersant Amendment on Workability of Ca-Bentonite Slurry for Slurry Trench Cutoff-Wall Construction
Sign Up to like & getrecommendations! Published in 2017 at "Indian Geotechnical Journal"
DOI: 10.1007/s40098-016-0217-3
Abstract: Commonly available Ca-bentonite can be considered as an alternate material for cutoff walls when high quality Na-bentonite is difficult to obtain. This study aims at investigating feasibility of using phosphate dispersant additive to enhance swelling… read more here.
Keywords: filtrate loss; bentonite slurry; phosphate dispersant; bentonite ... See more keywords
Thermal conductivity of bentonite-graphite mixture and its prediction for high-level radioactive waste repository
Sign Up to like & getrecommendations! Published in 2021 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2021.108142
Abstract: Abstract Thermal conductivity of buffer material is crucial for the design and performance assessment of high-level radioactive waste (HLW) repository. Large amount of decay heat will increase the maximum temperature in bentonite buffer, which threatens… read more here.
Keywords: bentonite; level radioactive; thermal conductivity; conductivity ... See more keywords
Stable isotopes applied to the study of the concrete/bentonite interaction in the FEBEX in situ test
Sign Up to like & getrecommendations! Published in 2019 at "Applied Geochemistry"
DOI: 10.1016/j.apgeochem.2018.12.017
Abstract: Abstract Stable isotope analysis was carried out on a set of samples from the concrete-bentonite interface from the FEBEX real-scale in-situ experiment. The concrete and bentonite that simulated the engineering barriers system of a deep… read more here.
Keywords: bentonite interface; bentonite; study concrete; concrete bentonite ... See more keywords
Cement-bentonite-iron interactions on small scale tests for testing performance of bentonites as a barrier in high-level radioactive waste repository concepts
Sign Up to like & getrecommendations! Published in 2017 at "Applied Clay Science"
DOI: 10.1016/j.clay.2016.10.028
Abstract: Abstract Nuclear power plants produce high-level radioactive waste, which has to be stored. Many countries plan to encapsulate their high-level radioactive waste (HLRW) in iron or steel canisters, which will be surrounded by highly compacted… read more here.
Keywords: high level; bentonite iron; repository; performance ... See more keywords