Comparative analysis of industrial processes for cadmium removal from phosphoric acid: A review

S Kouzbour, B Gourich, F Gros, C Vial, F Allam… - Hydrometallurgy, 2019 - Elsevier
The manufacture of phosphoric acid by wet process, where the phosphates are solubilized
by mineral acids, frequently gives a product which inevitably contains several impurities …

A thermochemical approach for calcium phosphate precipitation modeling in a pellet reactor

L Montastruc, C Azzaro-Pantel, B Biscans… - Chemical Engineering …, 2003 - Elsevier
A common pathway for P-recovery from wastewater is phosphate precipitation as calcium
phosphates. In this paper, a thermodynamic model for phosphate precipitation is proposed …

Modeling and multi-objective optimization of the digestion tank of an industrial process for manufacturing phosphoric acid by wet process

I Bouchkira, AM Latifi, L Khamar… - Computers & Chemical …, 2022 - Elsevier
This paper deals with the modeling and multi-objective optimization of an industrial
phosphoric acid process. The objective is to determine the operating conditions which …

Thermodynamic modeling and parameter estimability analysis of a wet phosphoric acid process with impurities

I Bouchkira, S Benjelloun, L Khamar, AM Latifi - Fluid Phase Equilibria, 2023 - Elsevier
In this work, a thermodynamic-based model of an industrial phosphoric acid process is
developed. It consists of mass and charge balance equations along with equilibria and …

Spectroscopic study of the behavior of Mo (VI) and W (VI) polyanions in sulfuric–phosphoric acid mixtures

N Zhang, S He, Y Li, Q Zhou, D Zeng, Z Zhao… - Inorganic …, 2021 - ACS Publications
The solution chemistry of Mo (VI) and W (VI) in mixtures of sulfuric and phosphoric acids is
relevant to the development of practicable hydrometallurgical processes for the recovery …

Diffusion coefficients and VLE data of aqueous phosphoric acid

S Lang, TJ Kazdal, F Kühl, MJ Hampe - The Journal of Chemical …, 2014 - Elsevier
In this work, transport and thermodynamic properties of phosphoric acid/water mixtures were
determined experimentally over a wide range of concentrations. Liquid binary diffusion …

A New Pitzer Parameterization for the Binary NaOH–H2O and Ternary NaOH–NaCl–H2O and NaOH–LiOH–H2O Systems up to NaOH Solid Salt Saturation, from …

A Lach, L André, A Lassin, M Azaroual, JP Serin… - Journal of Solution …, 2015 - Springer
This paper presents a new set of Pitzer ion interaction model parameters for the binary
NaOH–H 2 O system for concentrations up to over 30 mol· kg− 1 and temperatures ranging …

A potentiometric study of an H2SO4-H3PO4-H2O system containing Fe (III) and Fe (II) cations

YG Avdeev, TE Andreeva, YI Kuznetsov - International Journal of …, 2018 - elibrary.ru
The potentiometric method was used to study an H2SO4–H3PO4–H2O system (20–95 C)
containing Fe (III) and Fe (II) cations. The oxidizing ability of the 2 MH2so4+ H3PO4 system …

Thermo-kinetic and physico-chemical modeling of processes generating scaling problems in phosphoric acid and fertilizers production industries

M Azaroual, C Kervevan, A Lassin, L André… - Procedia …, 2012 - Elsevier
The wet-process phosphoric acid (WPPA) production is generally based on the use of
sulfuric acid (H2SO4) for phosphate ore attack. One of the main issues encountered in this …

Representation of VLE and liquid phase composition with an electrolyte model: application to H3PO4–H2O and H2SO4–H2O

M Cherif, A Mgaidi, MN Ammar, M Abderrabba… - Fluid phase …, 2002 - Elsevier
The usual approach in modeling electrolyte systems consists in using only VLE
experimental data or derived properties values to adjust the thermodynamic model …