Improving gold recovery from a refractory ore via Na2SO4 assisted roasting and alkaline Na2S leaching
Sign Up to like & getrecommendations! Published in 2019 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2019.02.008
Abstract: Abstract Gold recovery from refractory gold ores with controlled roasting remained well below 80%. Na2SO4 was added in an O2-enriched single stage roasting of a refractory gold ore to improve its gold recovery. Changes in… read more here.
Keywords: recovery; recovery refractory; gold recovery; na2so4 assisted ... See more keywords
Developed Process Circuit Flowsheet of Al Amar Ore for Production of Nanocrystalline Ferrite and Improving Gold Recovery
Sign Up to like & getrecommendations! Published in 2020 at "ACS Omega"
DOI: 10.1021/acsomega.0c03426
Abstract: Al Amar gold ore is rich in sulfides of base metals and is commercially applied for the production of copper concentrate via floatation and gold bullion by cyanidation of tailing. The current process flowsheet suffers… read more here.
Keywords: amar; process; gold recovery; flowsheet ... See more keywords
Piezo-Photocatalytic Reduction of Au(I) by Defect-Rich MoS2 Nanoflowers for Efficient Gold Recovery from a Thiosulfate Solution
Sign Up to like & getrecommendations! Published in 2021 at "ACS Sustainable Chemistry & Engineering"
DOI: 10.1021/acssuschemeng.0c08465
Abstract: To achieve a more efficient gold recovery from a thiosulfate solution, piezo-photocatalytic reduction of Au(I) with defect-rich MoS2 nanoflowers (DR-MoS2 NFs) as a catalyst was proposed in this wor... read more here.
Keywords: piezo photocatalytic; gold recovery; thiosulfate solution; efficient gold ... See more keywords
Optimization of conditions for the preparation of activated carbon from olive stones for application in gold recovery
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Southern African Institute of Mining and Metallurgy"
DOI: 10.17159/2411-9717/2019/v119n3a9
Abstract: The purpose of this study is to prepare a new activated carbon from olive stones for use in gold recovery by carbon-in-leach (CIL) and carbon-in-pulp (CIP). The preparation method chosen was physical activation using steam.… read more here.
Keywords: gold recovery; carbon; olive stones; activated carbon ... See more keywords
Selective Gold Recovery from Homogenous Aqueous Solutions Containing Gold and Platinum Ions by Aromatic Amino Acid-Containing Peptides
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Molecular Sciences"
DOI: 10.3390/ijms21145060
Abstract: There is increasing interest in the development of noble metal separation/recovery processes, especially for applications to “urban mining”. Common separation/recovery processes for noble metals use a solvent (liquid-liquid) extraction technique in hydrometallurgy. However, these processes… read more here.
Keywords: recovery; gold recovery; selective gold; metal ... See more keywords
Combined Gold Recovery and Nanoparticle Synthesis in Microbial Systems Using Fractional Factorial Design
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano13010083
Abstract: Green synthesis of gold nanoparticles (AuNPs) using microorganisms has been generally studied aiming for high-yield production and morphologies appropriated for various applications, such as bioremediation, (bio)sensors, and (bio)catalysis. Numerous approaches showed the individual effect of… read more here.
Keywords: factorial design; recovery nanoparticle; gold recovery; synthesis ... See more keywords
Selective and Effective Gold Recovery from Printed Circuit Boards and Gold Slag Using Amino-Acid-Functionalized Cellulose Microspheres
Sign Up to like & getrecommendations! Published in 2023 at "Polymers"
DOI: 10.3390/polym15020321
Abstract: The hydrometallurgical recovery of gold from electronic waste and gold slag is a hot research topic. To develop a cost-effective and environmentally friendly adsorbent for gold recovery, four types of amino-acid (arginine, histidine, methionine, and… read more here.
Keywords: gold; gold recovery; gold slag; amino acid ... See more keywords