Reaction characteristics and kinetics of gallium in chlorination roasting of copper tailings using calcium chloride

Lei, Chang; Chen, Tao; Yan, Bo; Xiao, Xianming

doi:10.1007/s12598-015-0499-0

Cited by 12 publications

(6 citation statements)

References 23 publications

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“…The inhomogeneity can furthermore be increased by the melting of solid phases, which reduces the particle porosity. Therefore, the penetration of gaseous chlorine compounds is inhibited [25]. Moreover, the temperature is not always homogeneously distributed throughout the mixture.…”

Section: Discussionmentioning

confidence: 99%

Algorithmic Modelling of Advanced Chlorination Procedures for Multimetal Recovery

Höber

Lerche

Steinlechner

2021

Metals

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In the course of developing an innovative process for CO2-optimised valuable metal recovery from precipitation residues accumulating in the zinc industry or nickel industry, the chlorination reactions were investigated. As the basis of small-scale pyrometallurgical experiments, the selected reaction systems were evaluated by means of thermodynamic calculations. With the help of the thermochemical computation software FactSage (Version 8.0), it is possible to simulate the potential valuable metal recovery from residual materials such as jarosite and goethite. In the course of the described investigations, an algorithmically supported simulation scheme was developed by means of Python 3 programming language. The algorithm determines the optimal process parameters for the chlorination of valuable metals, whereby up to 10,000 scenarios can be processed per iteration. This considers the mutual influences and secondary conditions that are neglected in individual calculations.

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Section: Discussionmentioning

confidence: 99%

Algorithmic Modelling of Advanced Chlorination Procedures for Multimetal Recovery

Höber

Lerche

Steinlechner

2021

Metals

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“…After the leaching process, the valuable metals present in the leachate should be enriched and recycled. Various methods have been applied to recover the metal elements in the leaching solution, including solvent extraction, sol–gel method, and chemical precipitation. , However, in view of the similar chemical properties of transition metals, it is still a great challenge to economically enrich and separate these mixed metal ions in the leachate after the hydrometallurgy. In our previous study, the layered hydroxides of the transition element group have exhibited high catalytic activity for the activation of PMS to degrade carbamazepine, a typical organic micropollutant in various environmental media .…”

Section: Introductionmentioning

confidence: 99%

Recycling Strategy for Spent Lithium-Ion Batteries as an Ultra-efficiency Peroxymonosulfate Activator

Yang

Wan

Lin

et al. 2023

Ind. Eng. Chem. Res.

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In this study, a novel strategy was exploited to prepare an ultra-efficiency NiCoMn-layered double-hydroxide (NiCoMn-LDH) catalyst for the recycle of valuable elements in spent lithium-ion batteries. Based on the developed hydrometallurgical leaching method, avoiding the drawback of separation and purification procedures, it was stated that the elements of Ni, Co, and Mn could be synchronously extracted from the spent cathode powder in less than 20 min with leaching efficiencies exceeding 98.9%. NiCoMn-LDH with a uniform flake structure was synthesized successfully from the leaching solution by a co-precipitation method and the element precipitation efficiencies all exceeded 99% in the preparation process. NiCoMn-LDH exhibited a great tetrabromobisphenol S (TBBPS) degradation performance as a peroxymonosulfate (PMS) activator, TBBPS could be degraded completely in less than 100 s with an extremely low dosage (catalyst 10 mg/L and PMS 0.1 mmol/L, pH 5.6), and NiCoMn-LDH still kept a good stability after multiple reuse. Besides, ECOSAR predicted the toxicity of degradation products declined with the decrease of bromine substituents, reflecting the environmental friendliness of NiCoMn-LDH from spent lithium-ion batteries.

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“…Given the high cost and high energy consumption, exploiting solid mineral resources has become increasingly complex, and lithium extraction from liquid resources, such as salt lake brine and geothermal brine, has attracted much attention. 7,8 The extraction methods of lithium in brine mainly include solvent extraction, 9−11 electrochemical methods, 12−14 membrane separation methods, 15−17 adsorption methods, 18,19 etc., 20 among which research on Li + adsorbents has developed rapidly, given their advantages of low cost and environmental friendliness.…”

Section: Introductionmentioning

confidence: 99%

“…As an essential resource, lithium has been widely used in the glass, ceramics, grease manufacturing, and lithium-ion electronics industries. , There is no doubt that with the rapid development of green energy, the demand for lithium will undergo continuous explosive growth in the following decades. − Lithium mainly exists in two forms, namely, minerals and dissolved salts. Given the high cost and high energy consumption, exploiting solid mineral resources has become increasingly complex, and lithium extraction from liquid resources, such as salt lake brine and geothermal brine, has attracted much attention. , The extraction methods of lithium in brine mainly include solvent extraction, − electrochemical methods, − membrane separation methods, − adsorption methods, , etc., among which research on Li + adsorbents has developed rapidly, given their advantages of low cost and environmental friendliness.…”

Section: Introductionmentioning

confidence: 99%

Efficient Step-by-Step Desorption to Reduce Boron in Brine Lithium Extraction

Pan,

Yin,

et al. 2023

Ind. Eng. Chem. Res.

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Boron, as an associated impurity ion, has a negative impact on brine lithium extraction for lithium products. In this study, based on the interlayer ion transformability and adjustability of the plate composition, an effective boron reduction strategy was investigated in the Li + extraction process by layered double hydroxides (Li/Al-LDHs), substituting the traditional washing stage with step-bystep desorption. It was observed that boron intercalation was unavoidable during the adsorption in brines, while the layer structure of Li/Al-LDHs would not be damaged. A higher NaCl concentration, lower pH, and lower temperature were favorable in the boron reduction stage. Besides, the boron concentration in lithium-extracting solutions decreased significantly with the strategy, which was reduced by nearly 75% during the lithium extraction from the Yiliping Salt Lake brine. The practical boron reduction approach would provide clear guidance for further resolving the issue of boron impurities in lithium resource recovery processes.

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Reaction characteristics and kinetics of gallium in chlorination roasting of copper tailings using calcium chloride

Cited by 12 publications

References 23 publications

Algorithmic Modelling of Advanced Chlorination Procedures for Multimetal Recovery

Algorithmic Modelling of Advanced Chlorination Procedures for Multimetal Recovery

Recycling Strategy for Spent Lithium-Ion Batteries as an Ultra-efficiency Peroxymonosulfate Activator

Efficient Step-by-Step Desorption to Reduce Boron in Brine Lithium Extraction

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