Results 31 to 40 of about 405,346 (229)
Recovery of gold from mature dumps by thiourea leaching
Izvestiya Vuzov. Tsvetnaya Metallurgiya (Universities' Proceedings Non-Ferrous Metallurgy), 2020 I. Р. Boboev +3 more
semanticscholar +2 more sources
Extraction of gold from agricultural drones' waste components through Thiourea leaching [PDF]
REM: International Engineering JournalThe global commercial drone market is experiencing rapid growth, particularly in precision agriculture applications such as crop spraying. This market is projected to expand at an 8.3% compound annual growth rate (CAGR), contributing to an overall drone ...
Stefany Vier Steffen, Hugo Marcelo Veit
doaj +1 more source
Sensitivity of Gold Lixiviants for Metal Impurities in Leaching of RAM Printed Circuit Boards
Metals, 2023 The importance of gold recovery from waste printed circuit boards is continuously increasing due to raising gold prices and demand as well as the need for innovative and flexible recycling methods for this complex waste stream.
Alexander Birich +3 more
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Kinetics of ultrasound-assisted silver leaching from sintering dust using thiourea
Green Processing and Synthesis, 2016 In the process of steel manufacture, up to tens of millions of tons of sintering dusts are produced annually in China, which contain noble metals such as Ag.
Chang Jun +6 more
doaj +1 more source
Polyether-Thiourea-Siloxane Copolymer Based on H-Bonding Interaction for Marine Antifouling
Molecules, 2023 By introducing thiourea and ether groups into MQ silicone resin polymer via free radical polymerization, a polyether-thiourea-siloxane (PTS) copolymer was synthesized.
Mengyu Li +5 more
doaj +1 more source
Leaching Cu from e-waste PCB using thiourea solution and oxidizing H2O2
Teknika, 2021 Technological advances that occur in developed and developing countries impact increasing the amount of electronic waste (e-waste). In Indonesia, the growth rate of e-waste is predicted to increase by ±23.2% in 2028.
Tiara Triana +3 more
doaj +1 more source
Facet-Dependent Activity of Fe<sub>3</sub>S<sub>4</sub> Crystal in Peroxydisulfate Activation for Organic Pollutants Degradation. [PDF]
Adv Sci (Weinh)Fe3S4 crystal with the exposed [001] facet exhibits higher catalytic activity for activating peroxydisulfate (PDS) to degrade clothianidin (CLO), which can be attributed to the dissolved Fe‐induced homogeneous catalytic process; while Fe3S4 crystal with the exposed [1‐21] facet exhibits excellent catalytic stability and durability, thereby boosting the
Tan J +6 more
europepmc +2 more sources
1-(4-Chlorophenyl)-3-(2,4-dichlorobenzoyl)thiourea [PDF]
, 2009 The title compound, C14H9Cl3N2OS, has bond lengths and angles which are quite typical for thiourea compounds of this class. The molecule exists in the solid state in its thione form with typical thiourea C=S and C=O bond lengths, as well as shortened C-N
Bolte, Michael +5 more
core +1 more source
Metals, 2020 Carbonaceous sulfidic gold ores are commonly double refractory and thus require pretreatment before gold extraction. In this paper, the capacity of pre-bio-oxidation can simultaneously decompose sulfides or deactivate carbonaceous matters (CM) from a ...
Rui Xu +6 more
doaj +1 more source
Research progress of non-cyanide gold leaching in gold mines
工程科学学报, 2021 With the exhaustion of easy-to-treat gold ore resources, gold ores containing arsenic, carbon, high sulfur, and ultrafine particles have become the focus of gold mining.
Ke-bo PENG +7 more
doaj +1 more source