NO774454L - Fremgangsmaate til oppkonsentrering av fortynnet fosforsyre - Google Patents

Fremgangsmaate til oppkonsentrering av fortynnet fosforsyre

Info

Publication number
NO774454L
NO774454L NO774454A NO774454A NO774454L NO 774454 L NO774454 L NO 774454L NO 774454 A NO774454 A NO 774454A NO 774454 A NO774454 A NO 774454A NO 774454 L NO774454 L NO 774454L
Authority
NO
Norway
Prior art keywords
stage
acid
concentration
absorption
sump
Prior art date
Application number
NO774454A
Other languages
English (en)
Norwegian (no)
Inventor
Walter Blumrich
Karl-Heinz Doerr
Hugo Grimm
Ulrich Sander
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of NO774454L publication Critical patent/NO774454L/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/08Compounds containing halogen
    • C01B33/10Compounds containing silicon, fluorine, and other elements
    • C01B33/103Fluosilicic acid; Salts thereof
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/69Sulfur trioxide; Sulfuric acid
    • C01B17/74Preparation
    • C01B17/76Preparation by contact processes
    • C01B17/765Multi-stage SO3-conversion
    • C01B17/7655Multi-stage SO3-conversion with intermediate absorption
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Saccharide Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
NO774454A 1977-01-03 1977-12-23 Fremgangsmaate til oppkonsentrering av fortynnet fosforsyre NO774454L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2700009A DE2700009C3 (de) 1977-01-03 1977-01-03 Verfahren zur Aufkonzentrierung von verdünnter Phosphorsäure

Publications (1)

Publication Number Publication Date
NO774454L true NO774454L (no) 1978-07-04

Family

ID=5998041

Family Applications (1)

Application Number Title Priority Date Filing Date
NO774454A NO774454L (no) 1977-01-03 1977-12-23 Fremgangsmaate til oppkonsentrering av fortynnet fosforsyre

Country Status (15)

Country Link
JP (1) JPS5385797A (de)
AU (1) AU513920B2 (de)
BE (1) BE862580A (de)
BR (1) BR7800006A (de)
CA (1) CA1085583A (de)
DE (1) DE2700009C3 (de)
ES (1) ES465669A1 (de)
FI (1) FI773907A (de)
FR (1) FR2376071A1 (de)
GB (1) GB1589945A (de)
IT (1) IT1090383B (de)
NO (1) NO774454L (de)
PL (1) PL203780A1 (de)
SE (1) SE7800045L (de)
ZA (1) ZA777069B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2824010A1 (de) * 1978-06-01 1979-12-13 Metallgesellschaft Ag Verfahren zur aufkonzentrierung von verduennter phosphorsaeure
CA1146722A (en) * 1981-04-10 1983-05-24 Gordon M. Cameron Energy recovery method and system for combined sulphuric and phosphoric acid manufacturing plant
DE3232446A1 (de) * 1982-08-12 1984-02-16 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur herstellung von schwefelsaeure
US4576813A (en) * 1983-07-05 1986-03-18 Monsanto Company Heat recovery from concentrated sulfuric acid
US4670242A (en) * 1984-11-09 1987-06-02 Monsanto Company Heat recovery from concentrated sulfuric acid
CN103523763B (zh) * 2013-10-11 2017-04-05 徐州天正活性炭厂 一种快速浓缩稀磷酸的节能装置和方法
CN104445118B (zh) * 2014-12-01 2016-08-31 四川玖长科技有限公司 用于从窑法磷酸工艺的出窑烟气中制磷酸的工艺
CN109941979A (zh) * 2019-04-30 2019-06-28 舒爱桦 一种高效肥料磷酸制食品级磷酸的工艺

Also Published As

Publication number Publication date
GB1589945A (en) 1981-05-20
DE2700009A1 (de) 1978-07-06
DE2700009B2 (de) 1979-03-29
CA1085583A (en) 1980-09-16
ES465669A1 (es) 1978-09-16
ZA777069B (en) 1978-09-27
IT1090383B (it) 1985-06-26
BR7800006A (pt) 1978-08-15
AU513920B2 (en) 1981-01-15
DE2700009C3 (de) 1979-11-15
BE862580A (fr) 1978-06-30
PL203780A1 (pl) 1978-08-14
FR2376071A1 (fr) 1978-07-28
JPS5385797A (en) 1978-07-28
FI773907A (fi) 1978-07-04
SE7800045L (sv) 1978-07-04
AU3150177A (en) 1979-06-21

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