NL29556C - - Google Patents

Info

Publication number
NL29556C
NL29556C NL29556DA NL29556C NL 29556 C NL29556 C NL 29556C NL 29556D A NL29556D A NL 29556DA NL 29556 C NL29556 C NL 29556C
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 NL29556C publication Critical patent/NL29556C/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
    • C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
    • 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)
  • Fertilizers (AREA)
NL29556D 1930-02-13 NL29556C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1836672X 1930-02-13

Publications (1)

Publication Number Publication Date
NL29556C true NL29556C (fr)

Family

ID=20423752

Family Applications (1)

Application Number Title Priority Date Filing Date
NL29556D NL29556C (fr) 1930-02-13

Country Status (3)

Country Link
US (1) US1836672A (fr)
FR (1) FR709846A (fr)
NL (1) NL29556C (fr)

Families Citing this family (22)

* 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
BE538799A (fr) * 1955-06-07 1955-06-30 Union Chimique Belge Sa
US2885263A (en) * 1955-06-10 1959-05-05 Chemical Construction Corp Anhydrite process for phosphoric acid manufacture
US2885264A (en) * 1955-06-10 1959-05-05 Chemical Construction Corp Hemihydrate process for phosphoric acid manufacture
US2963358A (en) * 1955-11-17 1960-12-06 Armour & Co Production of granular fertilizers
US2887362A (en) * 1955-12-30 1959-05-19 Phillips Petroleum Co Manufacture of phosphoric acid
US2890936A (en) * 1956-02-01 1959-06-16 Curt S Benefield Method for producing phosphoric acid
US3118731A (en) * 1959-10-28 1964-01-21 Svanoe
GB970947A (en) * 1960-10-05 1964-09-23 Asahi Chemical Ind A method for producing chemical fertilizers
DE1217410B (de) * 1960-10-05 1966-05-26 Asahi Chemical Ind Verfahren zur Herstellung von loesliche Phosphate und Nitrate enthaltenden Duengemitteln
US3472619A (en) * 1964-03-06 1969-10-14 Singmaster & Breyer Production of phosphoric acid and calcium sulfate
US3467496A (en) * 1966-11-07 1969-09-16 American Cyanamid Co Process for preparing wet process phosphoric acid and calcium sulfate from phosphate rock
GB1209911A (en) * 1967-02-01 1970-10-21 Marchon Products Ltd Manufacture of phosphoric acid
US4134964A (en) * 1974-10-04 1979-01-16 Hoechst Aktiengesellschaft Process and apparatus for purifying wet-processed phosphoric acid
US4196172A (en) * 1976-07-07 1980-04-01 Occidental Petroleum Corporation Hemihydrate type phosphoric acid process
DE146443C (fr) * 1976-07-07 Occidental Petroleum Corp
US4258007A (en) * 1978-01-05 1981-03-24 Occidental Research Corporation Feed system for phosphoric acid production with decreased foaming
US4277448A (en) * 1977-12-29 1981-07-07 Occidental Petroleum Corporation Phosphoric acid process with high circulation rates
US4258008A (en) * 1978-01-05 1981-03-24 Occidental Research Corporation System for phosphoric acid production with decreased foaming
LU84713A1 (fr) * 1983-03-25 1984-11-14 Prayon Soc Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha
US6562308B1 (en) * 2000-11-15 2003-05-13 Agrium, Inc. Process for the recovery of phosphate from phosphate rock
BE1016065A3 (fr) 2004-06-01 2006-02-07 Prayon Technologies Procede de production d'acide phosphorique.

Also Published As

Publication number Publication date
FR709846A (fr) 1931-08-12
US1836672A (en) 1931-12-15

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