DK105063C - Vådmetode til fremstilling af phosphorsyre ved anvendelse af semihydratdihydratcalciumsulfatmetoden. - Google Patents

Vådmetode til fremstilling af phosphorsyre ved anvendelse af semihydratdihydratcalciumsulfatmetoden.

Info

Publication number
DK105063C
DK105063C DK349362AA DK349362A DK105063C DK 105063 C DK105063 C DK 105063C DK 349362A A DK349362A A DK 349362AA DK 349362 A DK349362 A DK 349362A DK 105063 C DK105063 C DK 105063C
Authority
DK
Denmark
Prior art keywords
semihydrate
phosphoric acid
calcium sulfate
producing phosphoric
dihydrate calcium
Prior art date
Application number
DK349362AA
Other languages
Danish (da)
English (en)
Original Assignee
Nippon Kokan Kk
Toyo Engineering 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 Nippon Kokan Kk, Toyo Engineering Corp filed Critical Nippon Kokan Kk
Application granted granted Critical
Publication of DK105063C publication Critical patent/DK105063C/da

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DK349362AA 1962-06-23 1962-08-09 Vådmetode til fremstilling af phosphorsyre ved anvendelse af semihydratdihydratcalciumsulfatmetoden. DK105063C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2624162 1962-06-23

Publications (1)

Publication Number Publication Date
DK105063C true DK105063C (da) 1966-08-15

Family

ID=12187792

Family Applications (1)

Application Number Title Priority Date Filing Date
DK349362AA DK105063C (da) 1962-06-23 1962-08-09 Vådmetode til fremstilling af phosphorsyre ved anvendelse af semihydratdihydratcalciumsulfatmetoden.

Country Status (8)

Country Link
US (1) US3505013A (fi)
BE (1) BE621425A (fi)
CA (1) CA718837A (fi)
DE (1) DE1467092A1 (fi)
DK (1) DK105063C (fi)
ES (1) ES282084A1 (fi)
FR (1) FR1350642A (fi)
GB (1) GB1016007A (fi)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416887A (en) * 1964-08-05 1968-12-17 Central Glass Co Ltd Method of manufacturing wet process phosphoric acid
US3653826A (en) * 1967-09-21 1972-04-04 Nissan Chemical Ind Ltd Process for the production of phosphoric acid at a high concentration and a gypsum by-product of improved quality
US3645677A (en) * 1968-09-24 1972-02-29 Taki Fertilizer Mfg Co Ltd Production of gypsum
US3632307A (en) * 1969-04-09 1972-01-04 Albatros Super Fosfaatfabrieke Process for the preparation of phosphoric acid and gypsum from phosphate rock
US3642456A (en) * 1969-07-29 1972-02-15 Grace W R & Co Process for purifying gypsum using fluosilicic acid
US3911079A (en) * 1971-03-23 1975-10-07 Rhone Progil Method of producing phosphoric acid and calcium sulphate
US4048289A (en) * 1973-12-13 1977-09-13 Fertilizantes Fosfatados Mexicanos, S.A. Stabilization of wet-process phosphoric acid
US4134964A (en) * 1974-10-04 1979-01-16 Hoechst Aktiengesellschaft Process and apparatus for purifying wet-processed phosphoric acid
AT346223B (de) * 1974-12-11 1978-10-25 Chemie Linz Ag Verfahren zur gewinnung von fluorarmem gips als abfallprodukt aus dem nassphosphorsaeureverfahren
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
US4235854A (en) * 1977-08-25 1980-11-25 Occidental Petroleum Corp. Method for purifying wet process phosphoric acid
US4250155A (en) * 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction
FR2598402B1 (fr) * 1986-05-07 1990-06-01 Rhone Poulenc Chimie Procede de nettoyage de surfaces filtrantes
CN110510589A (zh) * 2019-09-10 2019-11-29 湖北祥云(集团)化工股份有限公司 一种湿法磷酸生产方法及生产系统
CN111732086A (zh) * 2020-07-31 2020-10-02 天宝动物营养科技股份有限公司 一种半水-二水法制备磷酸联产高纯石膏工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1962887A (en) * 1931-02-07 1934-06-12 American Cyanamid Co Method of controlling crystal size
US1969449A (en) * 1931-10-17 1934-08-07 Rumford Chemical Works Process of producing by-product calcium sulphate
NL277211A (fi) * 1961-04-20
GB1011163A (en) * 1961-04-26 1965-11-24 Dorr Oliver Inc Manufacture of phosphoric acid

Also Published As

Publication number Publication date
DE1467092A1 (de) 1969-01-23
BE621425A (fi)
ES282084A1 (es) 1964-01-01
DE1467092B2 (fi) 1970-08-13
FR1350642A (fr) 1964-01-31
GB1016007A (en) 1966-01-05
CA718837A (en) 1965-09-28
US3505013A (en) 1970-04-07

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