Fig. 10. Schematic flow chart showing how ion flotation with...
Ion flotation is a separation technique capable of recovering metal ions from dilute aqueous leachates. In this paper, ion flotation was applied to separate copper from ammoniacal leachates ...
The application of bioflocculant for the removal of humic …
It was found that the application of bioflocculant was quite efficient in the removal of humic acids from synthetic solutions as well as in the reduction of COD content from real landfill leachates. The optimal pH value was found to be between 7 and 7.5, while a 20 mg/l bioflocculant dosage was sufficient in providing more than 85% humic acid ...
Kinetic study of Ni (II) removal using ion flotation: Effect of
Ion flotation is a separation technique capable of recovering metal ions from dilute aqueous leachates. In this paper, ion flotation was applied to separate copper from ammoniacal leachates ...
Ion flotation of germanium from fly ash aqueous leachates
Ion flotation of germanium from fly ash aqueous leachates
A review of the applications of ion floatation: …
This review focuses on the applications of ion flotation in wastewater treatment, mineral beneficiation, such as rare precious metal recovery, and …
Bioprocessing of spent lithium ion batteries for critical …
Biosorption of critical metals from polymetallic solutions. The biosorption is recognized as an effective and low cost method for metals recovery from aqueous solutions. It presents a physico-chemical process based on metals adsorption from the solutions under a generic mechanism illustrated in Fig.6.
Ion flotation—its potential for hydrometallurgical operations
Ion flotation is a separation technology for recovering and removing metal ions from dilute aqueous solutions. In this process, an ionic collector is utilized to transport non-surface active colligend ions of the opposite charge from a bulk solution to the solution–vapor interface. If a sufficiently large solution–vapor interfacial area can ...
Removal of Impurity Metals as Phosphates from Lithium-Ion Battery Leachates
A. Chernyaev Jianxin Zhang Sipi Seisko M. Louhi-Kultanen Mari Lundström. Materials Science, Chemistry. Scientific reports. 2023. The removal of trivalent iron and aluminum was studied from synthetic Li-ion battery leach solution by phosphate and hydroxide precipitation (pH 2.5–4.25, t = 3 h, T = 60 °C). Phosphate….
Highly selective ion precipitation flotation for ternary …
Fig. 1 shows the experimental flow chart detailing the stepwise chelation precipitation flotation procedures for Co, Zn, and Mn from the simulated solutions. In the Co-selective precipitation-flotation process, a mixed solution was prepared in a conical flask with a volume of 100 mL, comprising 60 mg/L Co, 60 mg/L Mn, and 20 mg/L Zn.
Ion flotation for removal of Ni(II) and Zn(II) ions from wastewaters
Ion flotation is the best method for removal of heavy metals from wastewaters. A recovery of Zn 2 + of more than 92% and a recovery of 88% Ni 2 + were achieved. Recovery increases by increasing agitating speed, water recovery and flotation time. Zn 2 + preferential removal is proportioned to ionic radius.
Numerical simulation of counter-current liquid–liquid extraction for
1. Introduction. Li-ion batteries are widely used for powering portable electronic devices of different types due to the favorable properties of Li, which has the highest redox potential value, and the highest specific heat capacity, of any solid element [1].Currently, Li-ion batteries account for 37% of all the rechargeable batteries produced …
Ion flotation—its potential for hydrometallurgical …
Ion flotation is a separation technology for recovering and removing metal ions from dilute aqueous solutions. In this process, an ionic collector is utilized to …
Highly selective ion precipitation flotation for ternary Co-Zn …
Ion precipitation flotation technology was demonstrated to be an efficient method for the separation of valuable metals from low-concentration solution. However, the selective separation of three metals from mixing solution is a great challenge, and highly selective reagents are the key to polymetallic separation.
A review of the applications of ion floatation: …
Ion flotation is a specific separation method that involves adding surfactants or collectors with opposite charges to those of the target ions to form a surfactant complex and then …
An efficient separation for metal-ions from wastewater by ion
Common technologies for metal removal from wastewaters, such as precipitate flotation, chemical precipitation, physicochemical adsorption, ion exchange, membrane filtration, catalytic degradation and electrochemical separation, have been studied and widely applied in practical operations (Zouboulis and Matis, 1987; Huang …
Ion flotation of germanium from fly ash aqueous leachates
Ion flotation of germanium from fly ash aqueous leachates. ... Ion flotation of germanium from fly ash aqueous leachates. Ana Inés Fernández ...
Removal of impurity metals from lithium ion battery leachates
Achievement. Efficient new approach for removal of impurity metals from lithium-ion battery leachates. Significance. Simple method to remove Al, Fe and Zn while minimizing critical elements losses. Coupled with EC-Leach, produces a solution ready for conventional separation by SX or IX. Details and Impact.
Techniques for treating leachate discharges: A critical review
Organic and inorganic pollutants, such as heavy metals, pathogens, and toxic chemicals, are abundant in leachate. Untreated leachate discharge can have a negative impacts on the environment and human health, for example, by contaminating soil and water sources. As a result, it is critical to treat leachate prior to discharge. Several techniques are used to …
Ion flotation of germanium from fly ash aqueous leachates
DOI: 10.1016/J.CEJ.2006.01.012 Corpus ID: 97787123; Ion flotation of germanium from fly ash aqueous leachates @article{HernndezExpsito2006IonFO, title={Ion flotation of germanium from fly ash aqueous leachates}, author={A. Hern{'a}ndez-Exp{'o}sito and Josep Maria Chimenos and Ana In{'e}s Fern{'a}ndez and Oriol Font and Xavier Querol …
(PDF) A review of the applications of ion floatation: …
This review focuses on the applications of ion flotation in wastewater treatment, mineral beneficiation, such as rare precious metal recovery, and …
(PDF) Ion flotation and its applications on …
The ion flotation method has been applied for wastewater and water treatment, recovery of precious and platinum group metals, preconcentrating of rare …
Removal of impurity Metals as Phosphates from Lithium-ion Battery leachates
The electrochemical leach process removes Cu and produces a pH-adjusted leachate, ca. pH 2, without requiring an extra Cu extraction step. The addition of the precipitant DAP to leachate by slightly adjusting the pH to 3–4 at 45 °C, precipitates 95–99% of Al and Fe as their phosphates and the leachate retains >95% of Co, Ni and Li.
Ion flotation of germanium from fly ash aqueous leachates
The germanium - together with other metals and metalloids contained in the fly ash generated in the Integrated Gasification in Combined Cycle (IGCC) of Elcogas plant (Puertollano, Spain) - may be extracted by aqueous leaching. Here we report the study of the selective recovery of germanium from aqueous leachate by means of ion flotation, …
Superchaotropic ion flotation: A new concept for the …
Semantic Scholar extracted view of "Superchaotropic ion flotation: A new concept for the extraction and separation of nanometer-sized ions by non-ionic surfactant-based s" by Klaudia Skorzewska et al. ... (III) and Mo(VI) from aqueous solutions – Application for rare earth recovery from acid leachates. Yuezhou Wei K. A. Salih +4 …
An overview on the surfactants used in ion flotation
Sodium dodecyl benzene sulfonate (SDBS) and d-mannitol were served as the collector to remove boron from aqueous solution by ion flotation, and the boron removal efficiency reached 88.69% at the optimized flotation conditions.Moreover, the mechanism of removing boron by ion flotation was illustrated in Fig. 3.B(OH) 4 − first …
Closing the Loop in Ion Flotation: Recovery of …
Based on the experimental results, a conceptual closed-loop flow sheet is proposed for the recovery of copper from dilute ammoniacal leachates by ion flotation. …
Superchaotropic ion flotation: A new concept for the …
Superchaotropic ion flotation: A new concept for the extraction and separation of nanometer-sized ions by non-ionic surfactant-based s. Author links open overlay panel Klaudia Skorzewska, Alban Jonchère, ... typical of vanadium leachates of primary and secondary resources. The strategy uses bio-based biodegradable materials …
Recovery of Copper from Ammoniacal Leachates by Ion Flotation
The separation of aluminium from beryllium by ion flotation of an oxalato-aluminate complex Journal of Biochemical Toxicology 10.1002/jbt.2570151205
Synthesis and characterization of a novel nanocollector
In ion flotation process, an ionic collector with opposite charge of species ionic in the solution was applied to interact and remove the ions from the solution using rising bubbles through a solution [11], [20]. ... Ion flotation of germanium from fly ash aqueous leachates. Chem. Eng. J. (2006) R. Ghosh et al. Removal of trace hexavalent ...
Copper Ion Recovery from Mine Water by Ion Flotation
Ion flotation is a separation technique capable of recovering metal ions from dilute aqueous leachates. In this paper, ion flotation was applied to separate copper from ammoniacal leachates ...
