MY6600066A - A process for the production of phosporic acid and gypsum - Google Patents

A process for the production of phosporic acid and gypsum

Info

Publication number
MY6600066A
MY6600066A MY6600066A MY6600066A MY6600066A MY 6600066 A MY6600066 A MY 6600066A MY 6600066 A MY6600066 A MY 6600066A MY 6600066 A MY6600066 A MY 6600066A MY 6600066 A MY6600066 A MY 6600066A
Authority
MY
Malaysia
Prior art keywords
gypsum
production
phosporic acid
phosporic
acid
Prior art date
Application number
MY6600066A
Other languages
English (en)
Original Assignee
Nissan Kagaku Kogyo Kabushiki Kaisha Tokyo
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 Kagaku Kogyo Kabushiki Kaisha Tokyo filed Critical Nissan Kagaku Kogyo Kabushiki Kaisha Tokyo
Publication of MY6600066A publication Critical patent/MY6600066A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00Calcium sulfate cements
    • C04B11/26Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222Preparation 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
    • C01B25/228Preparation 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
    • C01B25/229Hemihydrate-dihydrate process
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/46Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
MY6600066A 1960-10-26 1966-12-31 A process for the production of phosporic acid and gypsum MY6600066A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
MY6600066A true MY6600066A (en) 1966-12-31

Family

ID=12639963

Family Applications (1)

Application Number Title Priority Date Filing Date
MY6600066A MY6600066A (en) 1960-10-26 1966-12-31 A process for the production of phosporic acid and gypsum

Country Status (5)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1557663A (en) * 1975-08-01 1979-12-12 Albright & Wilson Process for preparing phosphore acid
BE1016065A3 (fr) * 2004-06-01 2006-02-07 Prayon Technologies Procede de production d'acide phosphorique.
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
CN111451004B (zh) * 2020-04-20 2022-03-15 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

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 (enrdf_load_stackoverflow) * 1950-03-03

Also Published As

Publication number Publication date
BE609371A (fr) 1962-02-15
DE1293136B (de) 1969-04-24
NL270658A (enrdf_load_stackoverflow)
NL137436C (enrdf_load_stackoverflow)
GB1007898A (en) 1965-10-22

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