NL74099C - - Google Patents

Info

Publication number
NL74099C
NL74099C NL74099DA NL74099C NL 74099 C NL74099 C NL 74099C NL 74099D A NL74099D A NL 74099DA NL 74099 C NL74099 C NL 74099C
Authority
NL
Netherlands
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.)
Publication of NL74099C publication Critical patent/NL74099C/xx

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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
NL74099D 1950-03-03 NL74099C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2699985X 1950-03-03
FR858546X 1950-03-27

Publications (1)

Publication Number Publication Date
NL74099C true NL74099C (fr)

Family

ID=32299596

Family Applications (1)

Application Number Title Priority Date Filing Date
NL74099D NL74099C (fr) 1950-03-03

Country Status (6)

Country Link
US (1) US2699985A (fr)
BE (1) BE502036A (fr)
DE (1) DE858546C (fr)
FR (1) FR1015086A (fr)
GB (1) GB700375A (fr)
NL (1) NL74099C (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807521A (en) * 1953-11-09 1957-09-24 Chemical Construction Corp Phosphoric acid manufacture
DE1129143B (de) * 1959-04-28 1962-05-10 Struthers Wells Corp Verfahren zur Herstellung von Phosphorsaeure aus Calciumphosphat
NL137436C (fr) * 1960-10-26
BE629736A (fr) * 1960-11-18
US3403528A (en) * 1961-03-30 1968-10-01 Singmaster & Breyer Vacuum cooling for multi-stage chemical processes
US3257168A (en) * 1961-03-30 1966-06-21 Singmaster & Breyer Process for manufacture of phosphoric acid
US3197280A (en) * 1962-01-11 1965-07-27 Chemical Construction Corp Production of phosphoric acid
FR1550127A (fr) * 1967-07-17 1968-12-20
US3642456A (en) * 1969-07-29 1972-02-15 Grace W R & Co Process for purifying gypsum using fluosilicic acid
LU78457A1 (fr) * 1977-11-04 1979-06-13 Prayon Soc Procede de fabrication d'acide phosphorique
DE3136811A1 (de) * 1981-09-16 1983-06-01 Aleksandr Jakovlevič Abramovič Verfahren zur herstellung von phosphorsaeure
CN1055449C (zh) * 1996-01-05 2000-08-16 云南磷肥厂 湿法磷酸生产中硫酸的槽外稀释工艺

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1028737A (en) * 1911-08-22 1912-06-04 Kestner Evaporator Company Process of evaporation and apparatus therefor.
US1145728A (en) * 1912-03-25 1915-07-06 Wilhelm Wiegand Evaporating apparatus.
BE376577A (fr) * 1930-01-29
US2109347A (en) * 1931-06-13 1938-02-22 Solvay Process Co Process and apparatus for the production of salts
US1991733A (en) * 1931-12-29 1935-02-19 Foster Wheeler Corp Method and apparatus for cooling liquid
US2064833A (en) * 1932-03-30 1936-12-22 Dorr Co Inc Cooling of liquids
US2049032A (en) * 1932-07-02 1936-07-28 Dorr Co Inc Preparation of phosphoric acid
US2020460A (en) * 1933-04-20 1935-11-12 Foster Wheeler Corp Refrigeration
US2064609A (en) * 1933-06-14 1936-12-15 Elliott Co Method and apparatus for cooling liquids
US2091898A (en) * 1933-07-07 1937-08-31 Dorr Co Inc Crystallization
US2449040A (en) * 1942-12-30 1948-09-07 Chemical Construction Corp Manufacture of hexamethylene tetramine

Also Published As

Publication number Publication date
GB700375A (en) 1953-12-02
BE502036A (fr)
US2699985A (en) 1955-01-18
FR1015086A (fr) 1952-08-27
DE858546C (de) 1952-12-08

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