GB1007898A - A process for the production of phosphoric acid and gypsum - Google Patents

A process for the production of phosphoric acid and gypsum

Info

Publication number
GB1007898A
GB1007898A GB3843561A GB3843561A GB1007898A GB 1007898 A GB1007898 A GB 1007898A GB 3843561 A GB3843561 A GB 3843561A GB 3843561 A GB3843561 A GB 3843561A GB 1007898 A GB1007898 A GB 1007898A
Authority
GB
United Kingdom
Prior art keywords
slurry
phosphoric acid
line
calcium sulphate
hydration
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
Application number
GB3843561A
Other languages
English (en)
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.)
Nissan Chemical Corp
Original Assignee
Nissan Chemical Corp
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 Nissan Chemical Corp filed Critical Nissan Chemical Corp
Publication of GB1007898A publication Critical patent/GB1007898A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • 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
    • 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
    • C01B25/228—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 one form of calcium sulfate being formed and then converted to another form
    • C01B25/229—Hemihydrate-dihydrate process
    • 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)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB3843561A 1960-10-26 1961-10-26 A process for the production of phosphoric acid and gypsum Expired GB1007898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4257960 1960-10-26

Publications (1)

Publication Number Publication Date
GB1007898A true GB1007898A (en) 1965-10-22

Family

ID=12639963

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3843561A Expired GB1007898A (en) 1960-10-26 1961-10-26 A process for the production of phosphoric acid and gypsum

Country Status (5)

Country Link
BE (1) BE609371A (fr)
DE (1) DE1293136B (fr)
GB (1) GB1007898A (fr)
MY (1) MY6600066A (fr)
NL (2) NL270658A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071603A (en) * 1975-08-01 1978-01-31 Albright & Wilson Limited Process for preparing phosphoric acid
WO2005118470A1 (fr) 2004-06-01 2005-12-15 Prayon Technologies Procede de production d'acide phosphorique
CN111451004A (zh) * 2020-04-20 2020-07-28 武汉工程大学 钙质胶磷矿生产磷精矿并副产α-半水石膏及碳酸镁的方法
CN112624175A (zh) * 2021-01-11 2021-04-09 宜都兴发化工有限公司 一种改善湿法磷酸中磷石膏晶型的方法
DE102020100241A1 (de) 2020-01-08 2021-07-08 Thyssenkrupp Ag Verfahren zur Herstellung von Phosphorsäure und Klinkerprozess-geeigneter Kalziumsulfatqualität zur kommerziellen und industriellen Verwertung von Kalziumsulfat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH141866A (de) * 1928-06-05 1930-08-31 Kunstduenger Patent Verwertung Verfahren zur Herstellung einer phosphorsauren Lösung.
DE660561C (de) * 1930-02-13 1938-05-28 Dorr Ges M B H Verfahren zum Aufschluss von Rohphosphaten
US2049032A (en) * 1932-07-02 1936-07-28 Dorr Co Inc Preparation of phosphoric acid
NL74099C (fr) * 1950-03-03

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071603A (en) * 1975-08-01 1978-01-31 Albright & Wilson Limited Process for preparing phosphoric acid
WO2005118470A1 (fr) 2004-06-01 2005-12-15 Prayon Technologies Procede de production d'acide phosphorique
EA010973B1 (ru) * 2004-06-01 2008-12-30 Прэйон Текнолоджиз Способ получения фосфорной кислоты
CN1960941B (zh) * 2004-06-01 2010-09-08 普拉昂技术公司 生产磷酸的方法
DE102020100241A1 (de) 2020-01-08 2021-07-08 Thyssenkrupp Ag Verfahren zur Herstellung von Phosphorsäure und Klinkerprozess-geeigneter Kalziumsulfatqualität zur kommerziellen und industriellen Verwertung von Kalziumsulfat
WO2021140074A1 (fr) 2020-01-08 2021-07-15 Thyssenkrupp Industrial Solutions Ag Procédé de production d'acide phosphorique et de sulfate de calcium de qualité appropriée pour un procédé de clinker en vue d'une utilisation commerciale et industrielle de sulfate de calcium
CN111451004A (zh) * 2020-04-20 2020-07-28 武汉工程大学 钙质胶磷矿生产磷精矿并副产α-半水石膏及碳酸镁的方法
CN112624175A (zh) * 2021-01-11 2021-04-09 宜都兴发化工有限公司 一种改善湿法磷酸中磷石膏晶型的方法

Also Published As

Publication number Publication date
NL137436C (fr)
BE609371A (fr) 1962-02-15
DE1293136B (de) 1969-04-24
MY6600066A (en) 1966-12-31
NL270658A (fr)

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