IL100495A - Production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid - Google Patents

Production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid

Info

Publication number
IL100495A
IL100495A IL10049591A IL10049591A IL100495A IL 100495 A IL100495 A IL 100495A IL 10049591 A IL10049591 A IL 10049591A IL 10049591 A IL10049591 A IL 10049591A IL 100495 A IL100495 A IL 100495A
Authority
IL
Israel
Prior art keywords
phosphoric acid
calcium
phosphate rock
slurry
hydrogen fluoride
Prior art date
Application number
IL10049591A
Other languages
English (en)
Hebrew (he)
Other versions
IL100495A0 (en
Original Assignee
Phosphate Engineering And Cons
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 And Cons filed Critical Phosphate Engineering And Cons
Publication of IL100495A0 publication Critical patent/IL100495A0/xx
Publication of IL100495A publication Critical patent/IL100495A/en

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)
IL10049591A 1990-12-31 1991-12-25 Production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid IL100495A (en)

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 (2)

Publication Number Publication Date
IL100495A0 IL100495A0 (en) 1992-09-06
IL100495A true IL100495A (en) 1996-03-31

Family

ID=27092557

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10049591A IL100495A (en) 1990-12-31 1991-12-25 Production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid

Country Status (10)

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

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 (de) * 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
ES2162626T3 (es) 2002-01-01
ATE205170T1 (de) 2001-09-15
EP0616601B1 (de) 1996-03-27
IL100495A0 (en) 1992-09-06
ES2085621T3 (es) 1996-06-01
US5180569A (en) 1993-01-19
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 (de) 1994-09-28
CA2107472A1 (en) 1992-07-01
CA2107472C (en) 2002-07-30
WO1992012095A1 (en) 1992-07-23
DE69132718D1 (de) 2001-10-11
EP0669283A1 (de) 1995-08-30
US5427757A (en) 1995-06-27
DE69118406T2 (de) 1996-10-24
EP0669283B1 (de) 2001-09-05

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Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
RH Patent void
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KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees