Results 81 to 90 of about 38,254 (221)

New generation of ecofriendly reagents based on organosolv lignin nanoparticles: Environmental assessment for an Au flotation circuit [PDF]

Journal of Mining and Metallurgy. Section A: Mining
Froth flotation is the leading process for the selective separation of minerals and the beneficiation of ores. The principle of the method depends on the different wettability properties of the minerals, specifically on the hydrophobicity of the surfaces,
Peppas A., Politi C., Pantazakou E., Skenderas D.   +3 more
doaj   +1 more source

Fluorescent Supramolecular Gels Based on D‐Sorbitol Derivatives

Small, EarlyView.
Sugar‐based fluorescent low‐molecular‐weight gelators (LMWGs) DNapS, DBTDS, and MCumS, prepared by a green, scalable route, form supramolecular gels in water, organic, and deep eutectic solvents. MCumS yields solvent‐dependent nanofibrous networks and viscoelastic injectable eutectogels.
Emmanuel Odella, Miryam Criado‐Gonzalez, Rodrigo A. Ponzio, David Mecerreyes, Matías L. Picchio, Daniele Mantione   +5 more
wiley   +1 more source

EFFECT OF NICKEL AND COBALT ADDITIONS ON INFILTRATION BEHAVIOR, MICROSTRUCTURE AND HARDNESS OF W-AG COMPOSITES

Iranian Journal of Materials Science and Engineering, 2014
In this research, infiltration behavior of W-Ag composite compacts with Nickel and Cobalt as additives has been investigated. Nickel and Cobalt were added to Tungsten powder by two distinct methods: mixing elementally and reduction of salt solution.
N Parvin, R Derakhshandeh Haghighi, M Naeimi, R Parastar Namin, M. M. Hadavi   +4 more
doaj  

Natrium Cyanide Replacement with Environmentally Friendly Polymerized Cyanide GOLDIX for Leaching of Gold Ore from Sumbawa Indonesia [PDF]

E3S Web of Conferences
Indonesia possesses abundant mineral resources, particularly gold ore. Leaching with sodium cyanide (NaCN) is commonly employed to extract gold in a cost-effective manner.
Reno Faturachman, Aulia Rachman Hakeem, Dian Pahlevi Niko   +2 more
doaj   +1 more source

Sequential Reduction of Chromite Pellets Using Hydrogen and Silicon Carbide for Carbon Emission Abatement During Ferrochrome Production

steel research international, EarlyView.
H2 prereduction selectively metallizes Fe in UG2 chromite pellets at 1100°C, while silicon carbide becomes active at 1300°C to convert remaining Cr2O3 to carbides and promote Cr metallization. By separating the roles of H2 and SiC, the sequential route reaches up to 65.7% Cr metallization and suppresses in‐furnace CO generation by ≈75% versus ...
D. Coertzen, M. Tangstad, J. P. Beukes, P. G. van Zyl, D. G. Bessarabov, S. P. du Preez   +5 more
wiley   +1 more source

Evaluation of Thiosulfate for Gold Recovery from Pressure Oxidation Residues

Materials Proceedings
This paper investigated the potential of thiosulfate as an alternative to cyanide for gold recovery from pressure oxidation residues. Thiosulfate leaching experiments were conducted under controlled conditions, varying parameters such as initial ...
Christiana Mystrioti, Konstantina Kousta, Nymphodora Papassiopi, Katerina Adam, Maria Taxiarchou, Ioannis Paspaliaris   +5 more
doaj   +1 more source

Shrimp shell waste as a potential corrosion inhibitor for mild steel in acid solution [PDF]

E3S Web of Conferences
Application of corrosion inhibitor is a common method to minimize corrosion reaction of steel in aqueous environments. Research for an effective eco-friendly corrosion inhibitor is required due to the toxicity issues of the most commercially available ...
Safira Faradilla, Muhammad Fachri, Dilasari Bonita   +2 more
doaj   +1 more source

Barriers to Steel Decarbonization

steel research international, EarlyView.
Main identified barriers to steel decarbonization Carbon dioxide (CO2) emissions are a leading contributor to global climate change, necessitating urgent mitigation strategies. While various metrics—such as total national emissions, per‐capita output, and historical contributions—define responsibility, determining accountability remains complex ...
Pasquale Cavaliere
wiley   +1 more source

Facile synthesis of Tin oxide@2D graphene nanocomposites for enhanced LIB anode materials

Materials for Renewable and Sustainable Energy
Nanostructured tin oxide (SnO₂) clusters were synthesized through a simple chemical–thermal route and subsequently encapsulated in ultrathin two-dimensional (2D) graphene layers to form SnO₂@graphene nanocomposites for lithium-ion battery (LIB) anodes ...
Aliaa Abdelfatah, Ahmed M. Selim, Fatma M. Ahmed, Abd Elhamid M. Abd Elhamid, Y. Reda, R. Abdel-Karim, S. M. El-Raghy, Lamiaa Z. Mohamed   +7 more
doaj   +1 more source

Biocorrosion of 5083 aluminium alloy by Citrobacter freundii SKC-4 in seawater [PDF]

E3S Web of Conferences
The 5083-aluminium alloy, a widely utilized aluminium-magnesium alloy known for its high strength and excellent corrosion resistance, is commonly employed in various applications, including shipbuilding.
Dilasari Bonita, Toynbee Muhammad Iqbal, Chaerun Siti Khodijah   +2 more
doaj   +1 more source