BE721135A - - Google Patents

Info

Publication number
BE721135A
BE721135A BE721135DA BE721135A BE 721135 A BE721135 A BE 721135A BE 721135D A BE721135D A BE 721135DA BE 721135 A BE721135 A BE 721135A
Authority
BE
Belgium
Application number
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
Priority claimed from JP1555468A external-priority patent/JPS516112B1/ja
Application filed filed Critical
Publication of BE721135A publication Critical patent/BE721135A/xx

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
BE721135D 1967-09-21 1968-09-20 BE721135A (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6025367 1967-09-21
JP1555468A JPS516112B1 (enExample) 1968-03-11 1968-03-11

Publications (1)

Publication Number Publication Date
BE721135A true BE721135A (enExample) 1969-03-03

Family

ID=26351725

Family Applications (1)

Application Number Title Priority Date Filing Date
BE721135D BE721135A (enExample) 1967-09-21 1968-09-20

Country Status (4)

Country Link
US (1) US3653826A (enExample)
BE (1) BE721135A (enExample)
FR (1) FR1598978A (enExample)
GB (1) GB1220963A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113148968A (zh) * 2021-05-24 2021-07-23 云南云天化股份有限公司 一种湿法磷加工生产α-半水石膏的方法

Families Citing this family (12)

* 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
JPS5851884B2 (ja) * 1975-08-13 1983-11-18 日産化学工業株式会社 濾過性の良好な半水石膏を含有する高濃度燐酸の製造方法
EP0003266B1 (en) * 1977-12-29 1983-03-30 Occidental Petroleum Corporation Apparatus for contacting solid particles with a liquid; apparatus and process for the production of phosphoric acid
US4258007A (en) * 1978-01-05 1981-03-24 Occidental Research Corporation Feed system for phosphoric acid production with decreased foaming
US4258008A (en) * 1978-01-05 1981-03-24 Occidental Research Corporation System for phosphoric acid production with decreased foaming
US4260584A (en) * 1978-05-26 1981-04-07 Occidental Petroleum Corporation Apparatus useful for wet process phosphoric acid production
US4311677A (en) * 1979-12-03 1982-01-19 Swiss Aluminium Ltd. Process for producing phosphoric acid
JPS63144107A (ja) * 1986-12-08 1988-06-16 Mitsui Toatsu Chem Inc 高濃度燐酸−半水石こうスラリ−の濾過方法
CN1340457A (zh) * 2000-09-01 2002-03-20 山东鲁北企业集团总公司 一种磷酸生产工艺
US8871004B2 (en) 2009-07-31 2014-10-28 University Of Utah Research Foundation Methods for agglomerating ores
CN105253867B (zh) * 2015-09-18 2017-10-17 金正大生态工程集团股份有限公司 一种湿法磷酸副产α半水石膏的生产方法
CN105384157A (zh) * 2015-11-09 2016-03-09 东华工程科技股份有限公司 一种半水-二水法生产磷酸工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197280A (en) * 1962-01-11 1965-07-27 Chemical Construction Corp Production of phosphoric acid
CA718837A (en) * 1962-06-23 1965-09-28 Toyo Engineering Corporation Wet-process phosphoric acid manufacture by the semihydrate-dihydrate calcium sulphate method
US3472619A (en) * 1964-03-06 1969-10-14 Singmaster & Breyer Production of phosphoric acid and calcium sulfate
FR1409405A (fr) * 1964-07-16 1965-08-27 Heurtey Sa Procédé de fabrication de l'acide phosphorique et appareillage permettant la mise en oeuvre d'un tel procédé
GB1162514A (en) * 1965-09-08 1969-08-27 Albatros Superfosfaat Process for the preparation of Phosphoric Acid and Gypsum from Phosphate Rock
US3453076A (en) * 1966-05-09 1969-07-01 Lummus Co Phosphoric acid process
NL6800867A (enExample) * 1967-01-26 1968-07-29

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113148968A (zh) * 2021-05-24 2021-07-23 云南云天化股份有限公司 一种湿法磷加工生产α-半水石膏的方法

Also Published As

Publication number Publication date
FR1598978A (enExample) 1970-07-15
DE1792568A1 (de) 1972-05-18
GB1220963A (en) 1971-01-27
US3653826A (en) 1972-04-04
DE1792568B2 (de) 1977-03-10

Similar Documents

Publication Publication Date Title
AU5765369A (enExample)
FR1598978A (enExample)
FR1562942A (enExample)
AU2277767A (enExample)
AU2454867A (enExample)
AU1273466A (enExample)
AU2116667A (enExample)
AU610966A (enExample)
AU2256867A (enExample)
BE693250A (enExample)
BE693070A (enExample)
BE709326A (enExample)
BE708885A (enExample)
BE707508A (enExample)
BE707072A (enExample)
BE705601A (enExample)
BE698128A (enExample)
BE695787A (enExample)
BE694936A (enExample)
BE693334A (enExample)
BE692409A (enExample)
BE693296A (enExample)
BE710064A (enExample)
BE710070A (enExample)
BE711242A (enExample)

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: NISSAN KAGAKU KOGYO K.K.

Effective date: 19870930