phosphate rock digestion with hydrochloric acid
INTRODUCTION128 Кб Phosphate rock is normally wetacid digested with either sulphuric acid (H2SO4) or hydrochloric acid (HCl)This lead to the conclusion that Group A samples might correspond to samples produced through the hydrochloric acid digestion of the phosphate rock, whereas group B samples might bePhosphate acidulation utilizing HF acid US Patent or of an alkaline earth metal with hydrochloric acid or hydrofluoric acid in excess "as which uses sulfuric acid to digest the phosphate rock)phosphate rock digestion with hydrochloric acidEng Tech Journal, Vol30, No1, 2012 Phosphate Rock Treatment with Hydrochloric Acid for Increasing P2O5 Content DrAdel Sharif Hamadi Chemical Engineering Department, University of Technology/Baghdad :dradelsharif@yahoo DrShurooq Talib Remedhan Chemical Engineering Department, University of Technology/Baghdad Haider Abd Ali Chemical Engineering Phosphate Rock Treatment with Hydrochloric Acid for
Reaction Of Rock Phosphate With Hydrochloric Acid
Hydrochloric acid or muriatic acid is a colorless inorganic chemical system with the formula H 2 O:HCl ment of the phosphate rock with the hydrochloric acid may be represented as follows: If six molecules of acid are used the reaction may be represented as follows: Sodium hydrogen phosphate react with hydrogen chloride to produce phosphoric The present paper deals with the treatment of phosphate obtained from a commercial sample of Akashat phosphate ore in hydrochloric acid The factors studied are effects of the temperature of dissolution, acid concentration, and the time required for mixing phases The experiments were performed with 100 kg/m 3 of solid/liquid ratio, the size of the particles ranged 125140 µm, the initial [PDF] Phosphate Rock Treatment with Hydrochloric Dissolution of calcium, phosphate, fluoride and rare earth elements (REEs) from a disc of natural fluorapatite mineral (FAP) in perchloric, hydrochloric, nitric, sulphuric and phosphoric acid solutions: A kinetic model and comparative batch leaching of major and minor elements from FAP and REFAP concentrate Hydrometallurgy 2019, 184 , 218236The digestion of phosphate ore in phosphoric acid
(PDF) SYNTHESIS OF DICALCIUM PHOSPHATE USED
Wet acid digestion of the phosphate rock with sulphuric acid and hydrochloric acid is commonly used for dicalcium phosphate production both acids used also lead to the enhancement of several radionuclides within the final product7,8 When phosphate rock is treated with hydrochloric acid even lower values of magnesium, iron and aluminium are Potentially harmful phosphatebased products derived from the wet acid digestion of phosphate rock represent one of the most serious problems facing the phosphate industry This is particularly true for dicalcium phosphate (DCP), a food additive produced from either sulphuric acid or hydrochloric ac Radioactivity Contents in Dicalcium Phosphate and optimal acidrock ratio conditions (Table1) The results demonstrate that maximum P2O5 recovery is achieved from an acidrock ratio of 1:12 w/v The decomposition of phosphate rock with hydrochloric acid is an exothermic process, however, it was observed that temperature does not rise to the limit required for the maximum decomposition of rockPhosphoric Acid Manufacturing Through Hydrochloric
Effect of Hydrochloric Acid on Leaching Behavior of
2 天前 hydrochloric acid may be used to selectively leach out the calcareous materials from low grade phosphate rock rather than the dissolution of apatite In this work, the suitability of dilute hydrochloric acid has been studied to leach out the calcareous and dolomitic gangue materials from the indigenous low grade phosphate rockINTRODUCTION128 Кб Phosphate rock is normally wetacid digested with either sulphuric acid (H2SO4) or hydrochloric acid (HCl)This lead to the conclusion that Group A samples might correspond to samples produced through the hydrochloric acid digestion of the phosphate rock, whereas group B samples might bephosphate rock digestion with hydrochloric acidphosphate rock digestion with hydrochloric acid The Manufacture of Sulfuric Acid and Superphosphate reaction between sulfuric acid andPhosphate rock, sulfuric acid and water aresuperphosphate industry relies on the production of sulfuric acid as one Read Moreequation of reaction between hcl and rock phosphate
[PDF] Phosphate Rock Treatment with Hydrochloric
The present paper deals with the treatment of phosphate obtained from a commercial sample of Akashat phosphate ore in hydrochloric acid The factors studied are effects of the temperature of dissolution, acid concentration, and the time required for mixing phases The experiments were performed with 100 kg/m 3 of solid/liquid ratio, the size of the particles ranged 125140 µm, the initial Dissolution of calcium, phosphate, fluoride and rare earth elements (REEs) from a disc of natural fluorapatite mineral (FAP) in perchloric, hydrochloric, nitric, sulphuric and phosphoric acid solutions: A kinetic model and comparative batch leaching of major and minor elements from FAP and REFAP concentrateThe digestion of phosphate ore in phosphoric acid optimal acidrock ratio conditions (Table1) The results demonstrate that maximum P2O5 recovery is achieved from an acidrock ratio of 1:12 w/v The decomposition of phosphate rock with hydrochloric acid is an exothermic process, however, it was observed that temperature does not rise to the limit required for the maximum decomposition of rockPhosphoric Acid Manufacturing Through Hydrochloric
digestion of phosphate rock with sulfuric acid
Phosphate rock of 70 to 75% BPL, or as high as is reasonably obtainable, is finely ground in a ball mill and then mixed with cooled recycled phosphoric acidgypsum slurry in a digestion tank (Figs and )At this stage the only reaction which occurs is between acid and any carbonates present in the rock, and between phosphates and low optimal acidrock ratio conditions (Table1) The results demonstrate that maximum P2O5 recovery is achieved from an acidrock ratio of 1:12 w/v The decomposition of phosphate rock with hydrochloric acid is an exothermic process, however, it was observed that temperature does not rise to the limit required for the maximum decomposition of rockPhosphoric Acid Manufacturing Through Hydrochloric In this study, experiments have been carried out to reduce/eliminate carbonate content by leaching the ground phosphate rock with dilute hydrochloric acid solution Effects of hydrochloric acid concentration, reaction time, temperature and liquid/solid ratio SIDir EFFECT OF HYDROCHLORIC ACID ON
SIDir EFFECT OF HYDROCHLORIC ACID ON
In this study, experiments have been carried out to reduce/eliminate carbonate content by leaching the ground phosphate rock with dilute hydrochloric acid solution Effects of hydrochloric acid concentration, reaction time, temperature and liquid/solid ratio (vol/wt basis) on the process have been studied phosphate ore with sulfuric acid as an acidulate [23] The decomposition of phosphate rocks using aqueous sulfuric acid has been studied by several authors [2431] Sevim et al [24] dissolved Turkish mineral phosphate in sulfuric acid at 14–70ºC showing that the reaction rate belongs to a solidtoliquid ratio, temperature and particle sizeDissolution of Tunisian phosphate ore by a mixture of phosphate rock digestion with hydrochloric acid The Manufacture of Sulfuric Acid and Superphosphate reaction between sulfuric acid andPhosphate rock, sulfuric acid and water aresuperphosphate industry relies on the production of sulfuric acid as one Read Moreequation of reaction between hcl and rock phosphate
[PDF] Phosphate Rock Treatment with Hydrochloric Acid for
The present paper deals with the treatment of phosphate obtained from a commercial sample of Akashat phosphate ore in hydrochloric acid The factors studied are effects of the temperature of dissolution, acid concentration, and the time required for mixing phases The experiments were performed with 100 kg/m 3 of solid/liquid ratio, the size of the particles ranged 125140 µm, the initial phosphate rock digestion with hydrochloric acid – Grinding Mill » phosphate rock digestion with hydrochloric acid » gold mining with cyanide pros; Contact Us Tel: 8621; Office Add: Pudong New Area, Shanghai, China »More detaileddigestion of rock phosphate MiningPhosphate rock of 70 to 75% BPL, or as high as is reasonably obtainable, is finely ground in a ball mill and then mixed with cooled recycled phosphoric acidgypsum slurry in a digestion tank (Figs and )At this stage the only reaction which occurs is between acid and any carbonates present in the rock, and between phosphates and low digestion of phosphate rock with sulfuric acid
Phosphoric Acid Manufacturing Through Hydrochloric
optimal acidrock ratio conditions (Table1) The results demonstrate that maximum P2O5 recovery is achieved from an acidrock ratio of 1:12 w/v The decomposition of phosphate rock with hydrochloric acid is an exothermic process, however, it was observed that temperature does not rise to the limit required for the maximum decomposition of rock In this study, experiments have been carried out to reduce/eliminate carbonate content by leaching the ground phosphate rock with dilute hydrochloric acid solution Effects of hydrochloric acid concentration, reaction time, temperature and liquid/solid ratio SIDir EFFECT OF HYDROCHLORIC ACID ON LEACHING In this study, experiments have been carried out to reduce/eliminate carbonate content by leaching the ground phosphate rock with dilute hydrochloric acid solution Effects of hydrochloric acid concentration, reaction time, temperature and liquid/solid ratio (vol/wt basis) on the process have been studiedSIDir EFFECT OF HYDROCHLORIC ACID ON LEACHING BEHAVIOR
Use of extracting agent for decadmiation of phosphate rock
Among the reagents studied, hydrochloric acid presents the highest content of cadmium extract (1165 ppm) This level corresponds to an extraction rate of 71% Moreover, it has a phosphate dissolution rate slightly higher than that of Na 2EDTA Therefore hydrochloric acid was selected for further studies 3 3 Kinetics of extraction phosphate ore with sulfuric acid as an acidulate [23] The decomposition of phosphate rocks using aqueous sulfuric acid has been studied by several authors [2431] Sevim et al [24] dissolved Turkish mineral phosphate in sulfuric acid at 14–70ºC showing that the reaction rate belongs to a solidtoliquid ratio, temperature and particle sizeDissolution of Tunisian phosphate ore by a mixture of Natural phosphate rock (NP) solubilization in soils is dependent on the soil pH and its power to remove or drain (sink effect) P and Ca of the solution that is in equilibrium with the NP The aim of this work was to evaluate the effect of acidity and P and Casinks on the solubilization of bayóvar reactive rock phosphate (a phosphorite)Solubilization of Bayóvar Natural Phosphate Rock under