Journal Article10.1016/J.HYDROMET.2019.105151
Non-porous shrinking particle model of leaching at low liquid-to-solid ratio
17
TL;DR: A generalized nonporous shrinking particle model (NSPM) of leaching is proposed in this article, which takes into account the influence of the L/S ratio (by means of the reduced A/B molar ratio, ϕ, which indicates how many times the leaching agent (A)-to-valuable substance (B) molar ratios actually used exceeds its stoichiometric value) and non-ideal behaviour of concentrated lixiviants.
read more
About: This article is published in Hydrometallurgy. The article was published on 01 Dec 2019. The article focuses on the topics: Leaching (metallurgy) & Order of reaction.
read more
Chat with Paper
AI Agents for this Paper
Find similar papers on Google Scholar, PubMed and Arxiv
Write a critical review of this paper
Analyze citations of this paper to find unaddressed research gaps
Citations
Kinetics and mechanisms of leaching of rare earth elements from secondary resources
TL;DR: In this article , a review of the state of the art on various kinetics approaches describing the leaching kinetics and mechanisms of REEs extraction processes from secondary resources is presented, including low-grade minerals, industrial residues, and end-of-life products.
63
Recovery of metals from jarosite of hydrometallurgical nickel production by thermal treatment and leaching
TL;DR: In this paper, a facile and novel process for recovering metal values from jarosite in nickel hydrometallurgical process was developed, which can not only efficiently recover metal values (Ni, Cu), but also realize high-value utilization of iron resources, which enjoys significant application potential in the comprehensive utilization of jarosite.
30
Acid leaching of LiCoO2 enhanced by reducing agent. Model formulation and validation.
Maria del Mar Cerrillo-Gonzalez,Maria Villen-Guzman,Carlos Vereda-Alonso,Jose Miguel Rodriguez-Maroto,Juan Manuel Paz-Garcia +4 more
TL;DR: In this paper, a model has been formulated to describe the complex process of LiCoO 2 leaching through the participation of competing reactions in acid media including the effect of H 2 O 2 as reducing agent.
24
Highly selective separation of palladium from spent catalysts by ozonation with ultrasonic enhancement in a low-acid medium
TL;DR: In this article , an external field enhancement method with ultrasonic-assisted ozone is proposed for the recycling of palladium in order to solve this process problem, and the results show that the leaching reaction kinetics shows that the reaction barrier is reduced and the apparent activation energy is reduced by 35.25 kJ/mol after introducing ultrasound and ozone.
15
Hydrometallurgical Extraction of Li and Co from LiCoO2 Particles–Experimental and Modeling
Maria del Mar Cerrillo-Gonzalez,Maria Villen-Guzman,Luis Fernando Acedo-Bueno,Jose Miguel Rodriguez-Maroto,Juan Manuel Paz-Garcia +4 more
TL;DR: In this article, a physicochemical model is presented aiming to increase the understanding of the leaching process and the aforementioned limitations, which sets the basis for a more general theoretical framework that would describe the process under different acidic and reducing conditions.
15
References
•Book
Chemical Reaction Engineering
Octave Levenspiel
- 30 Jun 1972
TL;DR: An overview of Chemical Reaction Engineering is presented, followed by an introduction to Reactor Design, and a discussion of the Dispersion Model.
10.2K
Handbook of aqueous electrolyte thermodynamics : theory & application
Joseph F. Zemaitis,Diane M. Clark,Marshall Rafal,Noel C. Scrivner +3 more
- 06 Jan 1986
TL;DR: In this article, the authors present a "do-it-yourself" guide for predicting electrolyte systems behavior, with a blueprint for formulating predictive mathematical electrolyte models, recommended tabular values to use in these models, and annotated bibliographies.
589
A short history of hydrometallurgy
TL;DR: The use of aqueous solutions for ore processing came much later, mainly at the time of the alchemists when acids and alkalies became known and used.
195
Critical evaluation of coupling particle size distribution with the shrinking core model
Philip K. Gbor,Charles Q. Jia +1 more
TL;DR: In this article, the effect of neglecting the particle size distribution (PSD) of the solid material was quantified and the dependence of the shift on the coefficients of variation (CV) and the type of PSD was analyzed.
172