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)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Saccharide Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (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 (xx)
AU (1) AU513920B2 (xx)
BE (1) BE862580A (xx)
BR (1) BR7800006A (xx)
CA (1) CA1085583A (xx)
DE (1) DE2700009C3 (xx)
ES (1) ES465669A1 (xx)
FI (1) FI773907A (xx)
FR (1) FR2376071A1 (xx)
GB (1) GB1589945A (xx)
IT (1) IT1090383B (xx)
NO (1) NO774454L (xx)
PL (1) PL203780A1 (xx)
SE (1) SE7800045L (xx)
ZA (1) ZA777069B (xx)

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
US4670242A (en) * 1984-11-09 1987-06-02 Monsanto Company Heat recovery from concentrated sulfuric acid
US4576813A (en) * 1983-07-05 1986-03-18 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
ES465669A1 (es) 1978-09-16
CA1085583A (en) 1980-09-16
DE2700009A1 (de) 1978-07-06
DE2700009B2 (de) 1979-03-29
FI773907A (fi) 1978-07-04
BE862580A (fr) 1978-06-30
SE7800045L (sv) 1978-07-04
ZA777069B (en) 1978-09-27
PL203780A1 (pl) 1978-08-14
BR7800006A (pt) 1978-08-15
AU513920B2 (en) 1981-01-15
IT1090383B (it) 1985-06-26
FR2376071A1 (fr) 1978-07-28
JPS5385797A (en) 1978-07-28
AU3150177A (en) 1979-06-21
DE2700009C3 (de) 1979-11-15
GB1589945A (en) 1981-05-20

Similar Documents

Publication Publication Date Title
US4029751A (en) Process for producing sulfuric acid
NO158612B (no) Innretning for flytende arkpaalegging.
DK166194B (da) Fremgangsmaade og anlaeg til behandling af vaeske-gas-blandinger
EP0030447A1 (en) High pressure process for recovery of sulphur from gases
NO774454L (no) Fremgangsmaate til oppkonsentrering av fortynnet fosforsyre
JPS5929521B2 (ja) 精製塩酸の製造法
US2996359A (en) Method for continuous manufacture of carbon monoxide
US4062930A (en) Method of production of anhydrous hydrogen fluoride
JPS6011217A (ja) 垂直塔中における四フツ化ケイ素ガスの連続的製造方法
US4046860A (en) Ammonium fluoride process for defluorinating phosphoric acids and production of ammonium fluosilicate
RU2474533C1 (ru) Способ получения элементной серы из отходящего газа, содержащего диоксид серы
US4140751A (en) Process for pressure stripping of sulfur dioxide from buffered solutions
US2368901A (en) Ammonium sulphate production
EP0460110B1 (en) Process for the continuous recovery of hydrogen fluoride gas
US2295587A (en) Recovery of sulphur dioxide from gas mixtures
US3273966A (en) Purification of sulfur
US3780166A (en) Process of catalytically reacting so2 to form so3 and of producing sulfuric acid
NO130765B (xx)
US3907973A (en) Process for defluorinating phosphoric acids and production of ammonium fluosilicate and fluosilicic acid
US2399013A (en) Process for the recovery of sulphur dioxide from gas mixtures
JPH06319955A (ja) 燃焼設備からの、窒素および硫黄の酸化物を含有する煙道ガスを浄化する方法
Fleming et al. High Purity Sulfur from Smelter Gases
US2377642A (en) Manufacture of chlorosulphonic acid
RU2692719C1 (ru) Способ очистки технологических конденсатов с использованием промежуточной емкости
US535882A (en) Sulfubio acid