ES2162626T3 - Produccion de acido fosforico. - Google Patents

Produccion de acido fosforico.

Info

Publication number
ES2162626T3
ES2162626T3 ES95103818T ES95103818T ES2162626T3 ES 2162626 T3 ES2162626 T3 ES 2162626T3 ES 95103818 T ES95103818 T ES 95103818T ES 95103818 T ES95103818 T ES 95103818T ES 2162626 T3 ES2162626 T3 ES 2162626T3
Authority
ES
Spain
Prior art keywords
phosphoric acid
phosphate rock
acid production
acid
calcium fluoride
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES95103818T
Other languages
English (en)
Inventor
William R Erickson
Leif E Bouffard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phosphate Engineering & Constr
Original Assignee
Phosphate Engineering & Constr
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phosphate Engineering & Constr filed Critical Phosphate Engineering & Constr
Application granted granted Critical
Publication of ES2162626T3 publication Critical patent/ES2162626T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/192—Preparation from fluorspar
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/2208—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/20—Halides
    • C01F11/22—Fluorides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Silicon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Saccharide Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

SE DESCRIBE UN PROCESO PARA LA PREPARACION DE ACIDO FOSFORICO A PARTIR DE UNA MATERIA PRIMA DE FOSFATO MINERAL Y ACIDO FLUOSILICICO, CUYO PROCESO COMPRENDE REACCIONAR EL FOSFATO MINERAL Y EL ACIDO FLUOROSILICICO JUNTOS PARA PRODUCIR UNA PASTA DE REACCION DE ACIDO FOSFORICO, FLUORURO CALCICO, DIOXIDO DE SILICIO Y FOSFATO MINERAL EXCEDENTE Y EN DONDE UNA CANTIDAD DE EXCESO ESTEQUIOMETRICO DE CALCIO RESPECTO A FLUOR ESTA INICIALMENTE PRESENTE EN LA PASTA. EL ACIDO FOSFORICO Y FLUORURO CALCICO SON ENTONCES SEPARADOS Y EL ACIDO FOSFORICO ES FINALMENTE RECUPERADO.
ES95103818T 1990-12-31 1991-12-30 Produccion de acido fosforico. Expired - Lifetime ES2162626T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63625490A 1990-12-31 1990-12-31
US07/808,641 US5180569A (en) 1990-12-31 1991-12-17 Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid

Publications (1)

Publication Number Publication Date
ES2162626T3 true ES2162626T3 (es) 2002-01-01

Family

ID=27092557

Family Applications (2)

Application Number Title Priority Date Filing Date
ES95103818T Expired - Lifetime ES2162626T3 (es) 1990-12-31 1991-12-30 Produccion de acido fosforico.
ES92903560T Expired - Lifetime ES2085621T3 (es) 1990-12-31 1991-12-30 Produccion de acido fosforico y fluoruro de hidrogeno.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES92903560T Expired - Lifetime ES2085621T3 (es) 1990-12-31 1991-12-30 Produccion de acido fosforico y fluoruro de hidrogeno.

Country Status (10)

Country Link
US (2) US5180569A (es)
EP (2) EP0616601B1 (es)
CN (1) CN1030305C (es)
AT (2) ATE205170T1 (es)
AU (1) AU654790B2 (es)
CA (1) CA2107472C (es)
DE (2) DE69132718T2 (es)
ES (2) ES2162626T3 (es)
IL (1) IL100495A (es)
WO (1) WO1992012095A1 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531975A (en) * 1990-12-31 1996-07-02 Phosphate Engineering And Construction Co., Inc. Process for the production of phosphoric acid and calcium fluoride
US5853685A (en) * 1996-08-28 1998-12-29 Erickson; William R. Process for the production of high purity silica from waste by-product silica and hydrogen fluoride
US6179901B1 (en) 1999-06-14 2001-01-30 Louis J. Lamb Apparatus and method for producing HF from phosphate rock
ZA200002638B (en) * 2000-05-26 2001-01-31 Jan Christoffel De Waal The production of dicalcium phosphate or monocalcium phosphate.
US6676914B1 (en) * 2000-06-09 2004-01-13 Hf Extraction, Llc Phosphate acidulation utilizing HF acid
ES2255651T3 (es) * 2002-10-17 2006-07-01 Ntn Corporation Rodamiento de rodillos de tipo integral y seguidores de levas de rodillos para motor.
US7482376B2 (en) 2003-07-03 2009-01-27 3-Dimensional Pharmaceuticals, Inc. Conjugated complement cascade inhibitors
US8623318B2 (en) * 2004-07-12 2014-01-07 Powell Technologies Llc Manufacture of high-strength, low-salt aqueous sodium hypochlorite bleach and substantially dry crystalline salt
ES2377757T3 (es) * 2008-10-28 2012-03-30 Alstom Technology Ltd Procedimiento y dispositivo para verificar y controlar la eliminación del fluoruro de hidrógeno de un gas de proceso.
CN102674255A (zh) * 2012-05-08 2012-09-19 安徽锦洋氟化学有限公司 一种利用氟化铝尾气加热给料酸的生产工艺和设备
CN103058224A (zh) * 2013-01-11 2013-04-24 瓮福（集团）有限责任公司 一种回收湿法磷酸尾气中氟生产氟化氨的方法
CN104511207B (zh) * 2013-12-19 2016-07-13 广西鹿寨化肥有限责任公司 三水氟化铝料浆过滤方法
CN104511208B (zh) * 2013-12-19 2017-01-18 广西鹿寨化肥有限责任公司 三水氟化铝料浆过滤设备
CN103754920B (zh) * 2014-01-22 2014-12-17 瓮福（集团）有限责任公司 一种纳米硫酸钙的制备方法
CN104030317B (zh) * 2014-06-25 2016-04-27 江西渠成氟化学有限公司 一种氟硅酸生产氟化钠联产冰晶石白炭黑生产工艺
DE102016212242B4 (de) 2016-07-05 2019-02-07 Technische Universität Bergakademie Freiberg Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen
CN110092523B (zh) * 2019-06-06 2022-01-07 盛隆资源再生（无锡）有限公司 一种含氟含氨氮含磷废水的处理方法
IL292196A (en) * 2019-10-17 2022-06-01 Ostara Nutrient Recovery Tech Inc Systems and methods for processing phosphates
CN111392754B (zh) * 2020-04-21 2022-05-03 深圳市考拉生态科技有限公司 由含氟固废物中提纯氯化钙的方法与设备
US11560310B1 (en) 2022-02-11 2023-01-24 Jesa Technologies Llc Method for producing a calcium phosphate salt

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1313379A (en) * 1919-08-19 Chemical Construction Company Process of making phosphoric acid, &c.
US2388135A (en) * 1943-09-27 1945-10-30 Phillips Petroleum Co Recovery of hydrogen fluoride
US2456509A (en) * 1944-10-06 1948-12-14 Allied Chem & Dye Corp Manufacture of hydrogen fluoride
US2507605A (en) * 1946-03-14 1950-05-16 Allied Chem & Dye Corp Manufacture of hydrogen fluoride
US2702233A (en) * 1949-08-13 1955-02-15 Pennsylvania Salt Mfg Co Production of hydrogen fluoride
US2635806A (en) * 1949-12-24 1953-04-21 August S Lermer Means and method for mechanically assembling nomographic charts
US2636806A (en) * 1950-05-19 1953-04-28 Tennessee Corp Acidulation of phosphate rock
US2728634A (en) * 1953-07-13 1955-12-27 Chemical Foundation Inc Process of treating phosphate rock for recovery of fluorine chemicals and production of fertilizers
US3323864A (en) * 1963-08-29 1967-06-06 Fmc Corp Production of phosphoric acid from a phosphatic ore
BE786915A (fr) * 1971-07-29 1973-01-29 Bayer Ag Production d'acide fluorhydrique et de sulfates metalliques
US3811246A (en) * 1973-01-16 1974-05-21 W Erickson Closed loop system for the elimination of fluorine pollution from phosphoric plants
SU551248A1 (ru) * 1973-06-20 1977-03-25 Ленинградский Ордена Трудового Красного Знамени Технологический Институт Им.Ленсовета Способ получени фосфорной кислоты
IN154778B (es) * 1981-02-27 1984-12-15 Dharamsi Morarji Chemical Comp
DE3365775D1 (en) * 1982-02-23 1986-10-09 Dharamsi Morarji Chemical Comp A process to manufacture commercially acceptable phosphoric acid and gypsum from rock phosphate
FR2548653B1 (fr) * 1983-07-05 1986-11-07 Rhone Poulenc Chim Base Procede de fabrication d'acide phosphorique
US4629610A (en) * 1985-05-10 1986-12-16 Dow Chemical Co. Hydrogen fluoride recovery process

Also Published As

Publication number Publication date
ATE205170T1 (de) 2001-09-15
EP0616601B1 (en) 1996-03-27
IL100495A0 (en) 1992-09-06
ES2085621T3 (es) 1996-06-01
US5180569A (en) 1993-01-19
IL100495A (en) 1996-03-31
ATE136008T1 (de) 1996-04-15
AU9166891A (en) 1992-08-17
DE69132718T2 (de) 2002-07-04
CN1030305C (zh) 1995-11-22
DE69118406D1 (de) 1996-05-02
CN1063661A (zh) 1992-08-19
AU654790B2 (en) 1994-11-17
EP0616601A1 (en) 1994-09-28
CA2107472A1 (en) 1992-07-01
CA2107472C (en) 2002-07-30
WO1992012095A1 (en) 1992-07-23
DE69132718D1 (de) 2001-10-11
EP0669283A1 (en) 1995-08-30
US5427757A (en) 1995-06-27
DE69118406T2 (de) 1996-10-24
EP0669283B1 (en) 2001-09-05

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