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Experimental Study on the Environmental Effects and Mechanical Characteristics of Solidified Cr(VI)-Contaminated Soil Based on Slag and Desulfurization Gypsum
This study proposed a new curing agent consisting of slag and desulfurization gypsum industrial waste to solidify Cr(VI)-contaminated soils and...
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Adsorption of Cr(VI) on calcined MgAl-layered double hydroxides and recycling of spent adsorbents for the removal of organic dyes
Adsorption is considered an effective strategy for removing Cr(VI) from wastewater, but disposal of spent adsorbents is still a thorny problem. This...
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Recovery of Lithium from Spent Coin-Type Lithium Manganese Dioxide CR Cells by Acidic Leaching in the Presence of Potassium Permanganate as Oxidant
The selective leaching of lithium from spent coin-type lithium manganese dioxide CR cells by oxidative leaching and precipitation of Li 2 CO 3 from...
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Basic performance, heavy metal leaching mechanism and risk assessment analysis of waste concrete
With the acceleration of urbanization, the production of waste concrete is getting higher and higher. A large amount of outdoor accumulations of...
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Chromium stabilization by polysulfide supported nZVI@biochar in contaminated soil: Cr bioavailability and stabilization mechanism
Chromium (Cr) contamination in soil is one of the most severe environmental issues, which poses significant health hazards to humans. In this study,...
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Leaching of copper slags by direct photooxidation mechanism using ultraviolet light
The dissolution behaviors of Cu and Fe from copper slags were investigated with photochemical reactions. Experiments were run intermittently with a...
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Preparation of chitosan modified fly ash under acid condition and its adsorption mechanism for Cr(VI) in water
Chitosan-coated fly ash (CWF) was prepared by the acid leaching-coating method. Chitosan and fly ash were crosslinked in the solution of acetic acid...
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Leaching behavior and mineral speciation of cement-solidified boiler fly ash from industrial waste incineration containing waste tires
This study characterizes the leaching behavior of fuel raw boiler fly ash (BFA) and cement-solidified/stabilized raw boiler fly ash (SBFA). X-ray...
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Numerical Modelling of Transport and Fate of Chromium (VI) in Sub-surface Porous Media
Chromium (VI) is used in major industries like stainless steel production, electroplating, leather tanning and textile dye synthesis. If Cr (VI) is...
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Use of microorganisms and agro-industrial wastes in the biosorption of chromium (VI): a review
Due to non-biodegradable nature, chromium (VI) ions in wastewater build up over time, reaching concentrations that are damaging for both the...
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Carcinogenic Chromium (VI) Sensing Using Transducing Characteristics of Fiber Bragg Grating and Physical Swelling of Hydrogel
A Chemo-mechanical-optical sensing approach for the detection of hexagonal chromium (Cr 6+ ) metal ion is demonstrated. A new sensor head is designed...
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Preparation of porous silica from natural chlorite via selective acid leaching and its application in methylene blue adsorption
In this study, porous silica with high surface area was prepared through selective leaching of thermally activated chlorite in HCl solution. In the...
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Chromium enrichment in different crystalline phases of Cr-containing slag under various basicities and equilibrium temperatures
The effects of basicities and equilibrium temperatures on the enrichment of chromium in different mineral phases of synthesized argon–oxygen...
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Effects of Chlorides and Sulphates on Heavy Metal Leaching from Mortar with Raw and Electrodialytically Treated MSWI Fly Ash
Municipal solid waste incineration (MSWI) fly ash could be used as supplementary cementitious material in cement-based materials. However, heavy...
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Valorization From Waste: Combined Reduction of Chromite Ore Processing Tailing and Sub-Grade Manganese Ore to Produce 200 Series Stainless Steel Scrap
Chromite ore processing tailings and low-grade manganese ores are typically considered waste due to their limited or negligible utility, leading to...
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Removal of Chromium from Contaminated Soil by Electrokinetic Remediation Combined with Adsorption by Anion Exchange Resin and Polarity Reversal
Soil chromium pollution is a serious environmental problem in the world. The electrokinetic remediation (EKR) is an effective method to remediate...
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Comparative study of the effective removal of hexavalent chromium via calcium alginate and calcium alginate/Ulva fasciata composite
The present study revealed for the first time the removal of hexavalent chromium Cr(VI) with a high efficiency using an eco-friendly composite beads...
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Potential of Bio-mediated Calcite Precipitation Methods for Heavy Metal Immobilization and Strength Enhancement of Contaminated Soils
Microbially induced calcite precipitation (MICP) has emerged as a promising technique for heavy metal immobilization along with improving the...
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Effect of Aging on Material Characteristics and Leaching Properties of Incineration Bottom Ash from Municipal Solid Waste
AbstractIn Japan, approximately 5 million tons of incineration bottom ash (IBA) from municipal solid waste (MSW) is discharged per year. There is...
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Recycling of Tannery (chrome) sludge into sludge biochar (SB) /TiO2 nanocomposite via chemical activation through hydrothermal pre-treatment
The preparation of biochar from Tannery (chrome) sludge has gained recent attention among many scientists globally. Hydrothermal pre-treatment method...
