NL28397C - - Google Patents

Info

Publication number
NL28397C
NL28397C NL28397DA NL28397C NL 28397 C NL28397 C NL 28397C NL 28397D A NL28397D A NL 28397DA NL 28397 C NL28397 C NL 28397C
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 NL28397C publication Critical patent/NL28397C/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
    • C01B25/234Purification; Stabilisation; Concentration
    • C01B25/2343Concentration concomitant with purification, e.g. elimination of fluorine
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00Concentrating evaporators
    • Y10S159/19Acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Removal Of Specific Substances (AREA)
NL28397D 1930-01-29 NL28397C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE357041X 1930-01-29

Publications (1)

Publication Number Publication Date
NL28397C true NL28397C (fr)

Family

ID=20308819

Family Applications (1)

Application Number Title Priority Date Filing Date
NL28397D NL28397C (fr) 1930-01-29

Country Status (6)

Country Link
US (1) US1836694A (fr)
BE (1) BE376577A (fr)
DE (1) DE541565C (fr)
FR (1) FR709512A (fr)
GB (1) GB357041A (fr)
NL (1) NL28397C (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608465A (en) * 1946-10-28 1952-08-26 American Potash & Chem Corp Process of producing lithium sulfate from lithium phosphates
NL74099C (fr) * 1950-03-03
US2897053A (en) * 1954-02-26 1959-07-28 Struthers Wells Corp Wet process for phosphoric acid manufacture
DE976496C (de) * 1954-11-07 1963-10-03 Chem Fab Kalk Ges Mit Beschrae Verfahren und Vorrichtung zum Aufschliessen von Rohphosphaten, insbesondere ungegluehten Rohphosphaten, mit Mineralsaeuren
DE1024098B (de) * 1955-12-02 1958-02-13 Guano Werke Ag Verfahren zur Herstellung von Superphosphaten und freier Phosphorsaeure
US2887362A (en) * 1955-12-30 1959-05-19 Phillips Petroleum Co Manufacture of phosphoric acid
CN107720712B (zh) * 2017-11-09 2023-09-05 贵阳开磷化肥有限公司 一种湿法稀磷酸高效过滤净化装置以及其方法

Also Published As

Publication number Publication date
BE376577A (fr)
US1836694A (en) 1931-12-15
GB357041A (en) 1931-09-17
FR709512A (fr) 1931-08-07
DE541565C (de) 1932-01-13

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