phosphate rock hydrochloric acid wiki

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  • Phosphoric acid - wikidoc

    Overview Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid, is a mineral (inorganic) acid, one of many phosphorus oxoacids, having the chemical formula H 3 P O 4Alternatively, orthophosphoric acid molecules can combine with themselves to form a variety of compounds referred to as phosphoric acids in a more general way The term "phosphoric acid" can also refer to a ....

  • Phosphoric Acid Manufacturing Through Hydrochloric Acid ,

    optimal acid-rock ratio conditions (Table-1) The results demonstrate that maximum P2O5 recovery is achieved from an acid-rock 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...

  • Dissolution Kinetics of Phosphate Ore in H2SO4 Solutions ,

    Apr 16, 2003· The kinetics of the dissolution of phosphate rock and the crystallization of calcium sulfates, which occurs at the end of the reaction, were investigated in sulfuric acid solutions The samples used in experiments were obtained from Mazıdaǧı, Mardin, Turkey The effects of the particle size, solid-to-liquid ratio, gas flow rate, and reaction temperature on the dissolution process were ....

  • Phosphoric acid process comparison, paper

    Jan 20, 2012· The Hydrochloric Acid route showed to be more unprofitable than the ThermalProcess if Hydrochloric Acid was purchased so it received the lowest rankingSome of the assumptions made in this analysis includes that the phosphate rock used wasquality K09 from the Kingdom of Morocco, all sulfuric acid plants will havecogeneration with HRS, and that ....

  • Solubility of Calcium Phosphates

    Solubility is one of the most important properties of calcium phosphate salts It is the solubility that determines the direction of many reactions that involve calcium phosphates such as dissolution, precipitation, hydrolysis, and phase transformation Calcium phosphate solubility also plays a maior...

  • What is phosphoric acid | uses and rust removal

    This means it is an inorganic type of ac These are derived from one or more inorganic compounds In the case of phosphoric acid, they are derived from inorganic phosphate rocks Acid of higher purity can also be made, by using white phosphorus Other examples of mineral acids are sulfuric acid, hydrochloric acid, and nitric ac...

  • Dipotassium Phosphate – Structure, Characteristics and ,

    The compound Dipotassium Phosphate when reacts with hydrochloric acid, it forms potassium chloride and phosphoric ac The chemical equation of the reaction is given below: - K 2 HPO 4 + 2HCl → 2KCl + H 3 PO 4 Reaction with sodium hydroxide (NaOH) The compound dipotassium hydrogen phosphate when reacts with a base, sodium hydroxide it forms ....

  • 1911 Encyclopædia Britannica/Phosphates - Wikisource, the ,

    The first mode of occurrence is of little significance practically, for the crystalline rocks generally contain too little phosphate to be valuable, though occasionally an igneous rock may contain enough apatite to form an inferior fertilizing agent, eg the trachyte of Cabo de Gata in south-east Spain, which contains 12–15% of phosphoric ac In many deposits of iron ores found in ....

  • PHOSPHORIC ACID PRODUCTION

    heating the Meta phosphate for several days in a sealed crucible, in a retort, and distilling off phosphorus vapor, under water Huge quantities of coal were needed for heating these retort The production of white phosphorus was improved by using phosphate rock and sulfuric acid instead of bone ash and hydrochloric acid; and by...

  • Treatment of phosphate rocks with hydrochloric acid ,

    Jul 17, 2010· 高达10%返现· The use of hydrochloric acid, did not receive much attention [8–11] Solutions containing mono-calcium phosphate obtained by leaching phosphate rock using diluted hydrochloric acid were treated for uranium and lanthanides recovery prior to P 2 O 5 recovery The separation of lanthanides with similar chemical properties is a challenging task...

  • (PDF) Treatment of phosphate rocks with hydrochloric acid

    Phosphate rocks were leached with hydrochloric acid; and radium was removed by co-precipitation with BaSO4 Uranium and lanthanides were extracted by di(2-ethyl hexyl) phosphoric acid and tributyl ....

  • 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 ....

  • sulfuric acid - zxcwiki

    Sulfuric acid is a chemical compound of sulfur with the empirical formula H 2 SO 4It is a colorless, oily, very viscous and hygroscopic liquSulfuric acid is one of the strongest acids and is very corrosiveThis mineral acid forms two series of salts, the hydrogen sulfates and the sulfates, in which one or two protons are replaced by cations compared to the free acid ...

  • The hydrochloric acid route for phosphate rock | Semantic ,

    When phosphate rock is leached with hydrochloric acid, radium can be removed by co-precipitation with Ba04Ca06SO4 and uranium by extraction with a 5% solution of tributyl phosphate in hexane or Varsol Phosphoric acid is then separated from calcium chloride solution and other impurities by extraction with undiluted tributyl phosphate The lanthanides can be precipitated from the raffinate by ....

  • Phosphorous acids Medical search Wikipedia

    Swann, Theodore (April 13, 1922) "Memorandum of the Phosphorous Acid Development by the Federal Phosphorous Company" , He established the Federal Phosphorus Company to produce concentrated phosphoric acid, mainly for use as a concentrated , fertilizer, using a novel method to produce the acid from phosphate rock by heat treatment in an electric furnace...

  • Hydrochloric Acid Leaching Study of Rare Earth Elements ,

    Aug 07, 2019· A defined volume of hydrochloric acid (HCl, d = 119) was added to a preweighed amount of phosphate The tests were made with hydrochloric acid at various concentrations varying between 13% and 23% with stirring of 100 rpm to 300 rpm, and the series of tests were conducted with a solid/liquid ratio of 20% to 50%...

  • Phosphoric acid - Simple English Wikipedia, the free ,

    Preparation Edit Phosphoric acid can be made by dissolving phosphorus(V) oxide in water This makes a very pure phosphoric acid that is good for food A less pure form is made by reacting sulfuric acid with phosphate rock This can be purified to make food-grade phosphoric acid if needed...

  • Phosphoric acid - wikidoc

    Overview Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid, is a mineral (inorganic) acid, one of many phosphorus oxoacids, having the chemical formula H 3 P O 4Alternatively, orthophosphoric acid molecules can combine with themselves to form a variety of compounds referred to as phosphoric acids in a more general way The term "phosphoric acid" can also refer to a ....

  • CN85102768A - Decomposing phosphate rock by chlorhydric ,

    The present invention is the method that decomposing phosphate rock by chlorhydric acid prepares phosphoric acid salt and phosphoric acid, proposes in order to overcome separation and two problems of blowdown of existing in the decomposing phosphate rock by chlorhydric acid technology, and this method is a circulation processThe core of method, be to prepare in the solution of phosphoric acid ....

  • Calcium Phosphate – Characteristics, Structure, Solubility ,

    It is insoluble in acetic acid and ethanol but soluble in hydrochloric acid and dilute nitric ac Also, it slightly dissolves in water and is found in milk, bones, teeth, and ground Characteristics of Calcium Phosphate Apatite is a mineral rock that is a complex and impure form of calcium phosphate that produces tribasic calcium phosphate...

  • The hydrochloric acid route for phosphate rock, Journal of ,

    Jan 01, 1987· When phosphate rock is leached with hydrochloric acid, radium can be removed by co‐precipitation with Ba04Ca06SO4 and uranium by extraction with a 5% solution of tributyl phosphate in hexane or Varsol Phosphoric acid is then separated from calcium chloride solution and other impurities by extraction with undiluted tributyl phosphate The lanthanides can be precipitated from ,...

  • Phosphate Rock Hydrochloric Acid | Cromalinsupport

    When phosphate rock is treated with sulfuric acid , phosphoric acid is formed according to the following equation: Ca10 (PO4)6F2 + 10H2SO4 Figure 6 Hydrochloric Acid is an item added by the GregTech 5 mod Sodium Nitrate & Hydrochloric Acid Hydrochloric acid is a clear, colorless, highly pungent solution of hydrogen chloride (HCl) in water...

  • रासायनिक सूत्र कोश - विकिपीडिया

    acetate ion CH 3 COOCHCH 2 vinyl acetate CH 3 COOCH 2 C 6 H 5 benzyl acetate CH 3 COO (CH 2) 2 CH (CH 3) 2 isoamyl acetate CH 3 COOH acetic ac...

  • Sulfuric acid - McGill School Of Computer Science

    Sulfuric acid (British English: sulphuric acid), H 2 S O 4, is a strong mineral ac It is soluble in water at all concentrations It was once known as oil of vitriol, coined by the 8th-century Alchemist Jabir ibn Hayyan, the chemical's probable discoverer Sulfuric acid has many applications, and is produced in greater amounts than any other chemical besides water...

  • Phosphate Rock - an overview | ScienceDirect Topics

    To procure 1 tonne of phosphoric acid, approximately 4–5 tonnes of by-product, PG, is also generated In 2013, 32 million tonnes of phosphate rock was processed in the United States; approximately 22 million tonnes of PG was produced in that year Fig 41 presents the phosphate rock processing and products PG to date has not received enough ....

  • Pure Phosphoric Acid from Hydrochloric or Sulfuric ,

    Oct 27, 2019· Their phosphoric acid processes, however, are capable of producing an acid of far higher quality than that normally associated with fertilizer grade ac Unground phosphate rock is fed into the first of a series of three dissolvers along with recycle HCl, a portion of the HCl feed, and CCD wash water...

  • What Are Different Types of Fertilizer?

    Calcium superphosphate, also called ordinary superphosphate, is obtained by decomposing phosphate rock with sulfuric ac Calcium phosphate contains effective 14% ~ 20% P2O5(of which 80% to 95% soluble in water), being a part of water-soluble phosphorous fertilizer...

  • Phosphate Rock Treatment with Hydrochloric Acid for ,

    Table (1): Analysis of Low Grade Phosphate Rock before Treatment with Hydrochloric Acid P2O5 (%) CaO (%) Na2O (%) K2O (%) MgO (%) FeO (%) 17 188 08 0084 14 01 72 PDF created with pdfFactory Pro trial version pdffactory Eng & Tech Journal, Vol30, No1,2012 Phosphate Rock Treatment with Hydrochloric Acid for Increasing P2O5 ....

  • Sciencemadness Discussion Board - can anyone describe the ,

    Aug 12, 2017· My guess is that since phosphoric acid is often made from the reaction of sulfuric acid on phosphate rock, trace amounts of sulfur remain in the phosphoric ac HI is a powerful reducing agent (that's why the meth guys need it), so there is a redox between HI and any sulfid...

  • Phosphoric acid – Manufacturing process for Phosphoric acid

    Phosphoric acid (H3PO4) can be produced by 3 main commercial methods: wet process, thermal process and dry kiln process Wet process is by far the most common route and the acid can be used in phosphate fertilizers production (DAP, MAP, SPA) Thermal process phosphoric acid is of a much higher purity and is used in the manufacture of high grade ....