BR7800006A - Processo para a concentracao de acido fosforico diluido - Google Patents

Processo para a concentracao de acido fosforico diluido

Info

Publication number
BR7800006A
BR7800006A BR7800006A BR7800006A BR7800006A BR 7800006 A BR7800006 A BR 7800006A BR 7800006 A BR7800006 A BR 7800006A BR 7800006 A BR7800006 A BR 7800006A BR 7800006 A BR7800006 A BR 7800006A
Authority
BR
Brazil
Prior art keywords
concentration
phosphoric acid
diluted phosphoric
diluted
acid
Prior art date
Application number
BR7800006A
Other languages
English (en)
Portuguese (pt)
Inventor
W Blumrich
H Grimm
K Dorr
U 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 BR7800006A publication Critical patent/BR7800006A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/08—Compounds containing halogen
    • C01B33/10—Compounds containing silicon, fluorine, and other elements
    • C01B33/103—Fluosilicic acid; Salts thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/765—Multi-stage SO3-conversion
    • C01B17/7655—Multi-stage SO3-conversion with intermediate absorption
    • 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
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/2343—Concentration 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)
BR7800006A 1977-01-03 1978-01-02 Processo para a concentracao de acido fosforico diluido BR7800006A (pt)

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
BR7800006A true BR7800006A (pt) 1978-08-15

Family

ID=5998041

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7800006A BR7800006A (pt) 1977-01-03 1978-01-02 Processo para a concentracao de acido fosforico diluido

Country Status (15)

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

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
NO774454L (no) 1978-07-04
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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