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1-s2_0-S0304386X21000529-main | chunk_1 | Hydrometallurgy 202 (2021) 105603 Contents lists available at ScienceDirect HYDRO Hydrometallurgy MET ELSEVIER evier.com/locate/hydromet Electrochemical investigation of microbially and galvanically leached chalcopyrite C. Tanne, A. Schippers Federal Institute forGeosciences and NaturalResources (BGR),ResourceGeochemis... |
1-s2_0-S0304386X21000529-main | chunk_2 | The galvanic behavior of mixed mineral systems and their role dur- Table 1 ing oxidative bioleaching have been thoroughly studied (Donati and Sand, 2007; Tanne and Schippers, 2019a), and the occurrence of Element Content [%] galvanic interactions between different minerals and their influence Chalcopyrite BG Chalcopyri... |
1-s2_0-S0304386X21000529-main | chunk_3 | Rest potential measurements were performed in the absence of microorganisms by the measurement of the the microbial growth medium were used as electrolyte during electro- open circuit potential until the steady state signal remained stable over chemical measurements which were performed under aerobic condi- hours. The ... |
1-s2_0-S0304386X21000529-main | chunk_4 | The minerals chalcopyrite or pyrite were each con- mineral if galvanic assisted bioleaching is intentionally applied. A nected to an electrode made of the same or the other mineral. A selection higher potential difference leads to higher corrosion currents which of detected coupling currents is shown in Fig. 3 as a fun... |
1-s2_0-S0304386X21000529-main | chunk_5 | Thus, abrasivenes due to shear forces A typical electrochemical corrosion test is the determination of the may favor the corrosion of chalcopyrite in case of quartz addition, or corrosion potential and the corrosion current using potentiodynamic silica may have a catalytic effect on abiotic chalcopyrite dissolution. Th... |
1-s2_0-S0304386X21000529-main | chunk_6 | This and their properties related to electrochemistry are on demand. The may explain why for bioleaching residues (Fig. 8e) a very low oxidation option of running electro-bioreactors and galvanic support in combi- current was measured. In contrast, chemically leached copper concen- nation should also be examined to a l... |
1-s2_0-S0304386X21000529-main | chunk_7 | Microbiol. 53, 1536-1540. for the dissolution kinetics and passivation mechanism. J. Colloid Interface Sci. 584, Mehta, A.P., Murr, L.E., 1982. Kinetic study of sulfide leaching by galvanic interaction 103-113. https://doi.org/10.1016/jcis.2020.09.115. between chalcopyrite, pyrite,and sphalerite in the presence of T. f... |
1-s2_0-S0048969723068377-main | chunk_1 | Science of the Total Environment 908 (2024) 168210 Contents lists available at ScienceDirect Science Science of the Total Environment ELSEVIER Review Biomining for sustainable recovery of rare earth elements from mining waste: A comprehensive review Phong H.N. Vo a*, Soroosh Danaee b, Ho Truong Nam Hai , Lai Nguyen Huy... |
1-s2_0-S0048969723068377-main | chunk_2 | Therefore, the current mining residue/waste recycling rate ligand complexes in mining waste is low pH (<3), along with the atomic is still very modest compared to its vast potential. number of associated REEs, as REEs presence decreases with increasing Existing methods for REEs recovery such as hydro-, thermal- and ato... |
1-s2_0-S0048969723068377-main | chunk_3 | It was reported that leaching efficiency of 91 %, whereas when sucrose was used, A. niger and disrupting a single gene within the phosphate signalling control of Y lipolytica reached a leaching efficiency of 66 %, and 34 % respectively biolixiviant production, increased bioleaching by 18 %; however, dis- (Shen et al., ... |
1-s2_0-S0048969723068377-main | chunk_4 | While ion-exchange is responsible for binding negatively popular for other elements (e.g., Fe, P, Si), research into REEs recovery is charged groups to metal cations, electrostatic interactions or hydrogen still limited (Chikkanna et al., 2021). binding forces are responsible for the adsorption of anions. Additionally,... |
1-s2_0-S0048969723068377-main | chunk_5 | Inactive biomass for biosorption fastest, at a rate of up to 92 %. In this case, REEs were primarily localized Besides active biomass, inactive biomass is another biosorbent with in the outer fraction, and bonded to the sulfated polysaccharide of Ulva potential for REEs recovery. The inactive biomass can be either the ... |
1-s2_0-S0048969723068377-main | chunk_6 | Macroalgae Spiked solution La, Nd, Dy 171 mg La/g Langmuir isotherm [5] 187 mg Nd/g 189 mg Dy/g Pseudo-second order Magnetospirillum magneticum Bacteria Spiked solution La 6.0 mg/g Langmuir isotherm [6] Bacillus licheniformis Bacteria Spiked solution Ce 38.93 mg/g Freundlich model [7] Pseudo-second order Acutodesi nina... |
1-s2_0-S0048969723068377-main | chunk_7 | Furthermore, there are some limitations in the Further, bioprecipitation derived biogenic sulfides are more effective upscaling process that are mostly related to the direct usage of micro- than chemically derived sulfides in precipitating metals, with up to organisms in flotation. The application of biosurfactants can... |
1-s2_0-S0048969723068377-main | chunk_8 | In contrast, chemical reactions increase with a way to introduce air into bioreactors which are influenced by their type temperature rise; thus, it positively affects REEs extraction (Rasoulnia and configuration, should also be considered. For example, baffles are et al., 2021). As a result, gas solubility and chemical... |
1-s2_0-S0048969723068377-main | chunk_9 | Considered Considered criteria Strengths Weaknesses Opportunities Threats aspects Technical Overall treatment High extraction efficiency Slow reaction times Optimal reaction time High cell densities required aspects performance (>80 %). High temperature required. identified via optimal for leachate. High selectivity fo... |
1-s2_0-S0048969723068377-main | chunk_10 | Given the success in REEs recovery from published biomining There are some critical points that must be addressed: studies, conducting more in-depth research and technology transfer is necessary to further optimize biomining technologies. It is recom- · The abundance and concentration of REEs in mining waste vary mende... |
1-s2_0-S0048969723068377-main | chunk_11 | Engelbrektson, A.L., Cheng, Y., Hubbard, C.G., Jin, Y.T., Arora, B., Tom, L.M., Hu, P., Moropeng, L., Yahaya, A., Mamudu, O.A., 2020. A review on the impact of mining Grauel, A.-L., Conrad, M.E., Andersen, G.L., Ajo-Franklin, J.B., Coates, J.D., 2018. operation: monitoring, assessment and management. Results Eng. 8, 10... |
1-s2_0-S0048969723068377-main | chunk_12 | In: Wong, J.W.C., Tyagi, R.D. (Eds.), Liu, C., Liu, W.-S., van der Ent, A., Morel, J.L., Zheng, H.-X., Wang, G.-B., Tang, Y.-T., Current Developments in Biotechnology and Bioengineering. Elsevier, pp. 241-265. Qiu, R.-L., 2021. Simultaneous hyperaccumulation of rare earth elements, Guezennec, A-G., Joulian, C., Jacob, ... |
1-s2_0-S0048969723068377-main | chunk_13 | Geochemical Mwewa, B., Tadie, M., Ndlovu, S., Simate, G.S., Matinde, E., 2022. Recovery of rare earth characteristics of coal mine discharge vis-a-vis behavior of rare earth elements at elements from acid mine drainage: a review of the extraction methods. J. Environ. Jaintia Hills coalfield, northeastern India. J. Geoc... |
1-s2_0-S0048969723068377-main | chunk_14 | Sun, Q., Liu, X., Wang, S., Lian, B., 2020. Effects of mineral substrate on ectomycorrhizal Environ. Sci. Technol. 51 (4), 378-427. fungal colonization and bacterial community structure. Sci. Total Environ. 721, Reynier, N., Gagne-Turcotte, R., Coudert, L., Costis, S., Cameron, R., Blais, J.-F., 2021. 137663. Bioleachi... |
1-s2_0-S2589014X22000494-main | chunk_1 | Bioresource Technology Reports 17 (2022) 100992 Contents lists available at ScienceDirect BEORESOLURCE REPORTS Bioresource Technology Reports ELSEVIER -technology-reports Orotic acid production from crude glycerol by engineered Ashbya gossypii Rui Silva, Tatiana Q. Aguiar, Lucilia Domingues CEB - Centre of Biological E... |
1-s2_0-S2589014X22000494-main | chunk_2 | Acro- fungus through metabolic engineering and culture conditions optimi- nyms near the gene names represent the corresponding enzyme: mtDHOD, zation; i) understanding the genetic factors for orotic acid accumulation mitochondrial dihydroorotate dehydrogenase; cytDHOD, cytosolic dihydroor- and excretion in fungi, which... |
1-s2_0-S2589014X22000494-main | chunk_3 | This sequence was amplified by PCR using specific primers (Section 1 of and the suspension was filtrated through qualitative filter paper Supplementary data), containing recombinogenic flanks for the ScURA3 (Advantec) to remove suspended debris. Then, the pH of the filtrate was locus, from gDNA of the strain A. gossypi... |
1-s2_0-S2589014X22000494-main | chunk_4 | Unless indicated otherwise, statistical significance was established mitochondrial DHOD would turn S. cerevisiae into an orotic acid pro- at p < 0.05 for the comparisons. ducer and thus demonstrate that, beyond the pyrimidine auxotrophy, the presence of this enzyme is determinant for orotic acid accumulation 3. Results... |
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