BE857587A - Procede de preparation de sulfites et de bisulfites - Google Patents

Procede de preparation de sulfites et de bisulfites

Info

Publication number
BE857587A
BE857587A BE179996A BE179996A BE857587A BE 857587 A BE857587 A BE 857587A BE 179996 A BE179996 A BE 179996A BE 179996 A BE179996 A BE 179996A BE 857587 A BE857587 A BE 857587A
Authority
BE
Belgium
Prior art keywords
bisulphites
sulphites
preparing
preparing sulphites
Prior art date
Application number
BE179996A
Other languages
English (en)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of BE857587A publication Critical patent/BE857587A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • 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
    • C01B17/62—Methods of preparing sulfites in general
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/22—Sulfites of ammonium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
    • C01D5/14—Preparation of sulfites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/48—Sulfites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Treating Waste Gases (AREA)
BE179996A 1976-08-07 1977-08-08 Procede de preparation de sulfites et de bisulfites BE857587A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762635648 DE2635648A1 (de) 1976-08-07 1976-08-07 Verfahren zur herstellung von sulfiten und bisulfiten

Publications (1)

Publication Number Publication Date
BE857587A true BE857587A (fr) 1978-02-08

Family

ID=5984981

Family Applications (1)

Application Number Title Priority Date Filing Date
BE179996A BE857587A (fr) 1976-08-07 1977-08-08 Procede de preparation de sulfites et de bisulfites

Country Status (4)

Country Link
BE (1) BE857587A (fr)
DE (1) DE2635648A1 (fr)
FR (1) FR2360513A1 (fr)
IT (1) IT1085154B (fr)

Also Published As

Publication number Publication date
DE2635648A1 (de) 1978-02-09
IT1085154B (it) 1985-05-28
FR2360513A1 (fr) 1978-03-03

Similar Documents

Publication Publication Date Title
BE855273A (fr) Procede de preparation de polyurethannes
BE857854A (fr) Procede de preparation de polyurethanne-urees
BE880844A (fr) Nouveaux derives de peptidyl-arginine-aldehydes et procede de preparation de ceux-ci
LU81482A1 (fr) Procede de preparation de d-camphorate de l-carnitinamide et de d-camphorate de d-carnitinamide
FR2342981A1 (fr) Procede de preparation d'hydrogenosilanes
BE875089A (fr) Procede de preparation de tetrahydrobenzoxocines et de cishexahydrodibenzopyranones
BE856313A (fr) Procede de preparation de benzothiazoles
IT1109313B (it) Prodotto dolcificante e procedimento per la sua fabbricazione
BE839836A (fr) Procede de preparation du tricosene-(9) et de l'heneicosene-(9)
BE875939A (fr) Procede et preparation de 6-hallo-pregnanes
BE852668A (fr) Procede de preparation de 3-halomethylcephemes
BE851010R (fr) Procede et dispositif de moulage sous basse pression
BE872294A (fr) Procede de preparation de 3-iodorifamycine s et de 3-bromorifamycine s
BE853162A (fr) Procede de preparation de chloromethylsilanes
BE860699A (fr) Procede de preparation de gamma-pyrones
FR2300398A1 (fr) Procede d'aplatissement de la courbe d
BE853431A (fr) Procede de preparation et de purification de la secretine
FR2307260A1 (fr) Procede de reglage de la position du couteau d'un microtome
RO78342A (fr) Procede de preparation des imino-ethers de benzthiazolines et benzoxazolines
BE861107A (fr) P-isobutyl-hydratropate de gaiacol et procede pour sa preparation
BE857587A (fr) Procede de preparation de sulfites et de bisulfites
FR2311038A1 (fr) Procede de preparation du polyethylene
BE854314A (fr) Procede de preparation de beta-halo-acetals et de beta-halo-cetals
BE850632R (fr) Procede de preparation de para-alkylphenols
FR2344550A1 (fr) Catalyseur et procede pour la preparation de cyanothiazole