SE8401036L - PROCEDURE FOR THE PREPARATION OF CHLORIDE Dioxide - Google Patents

PROCEDURE FOR THE PREPARATION OF CHLORIDE Dioxide

Info

Publication number
SE8401036L
SE8401036L SE8401036A SE8401036A SE8401036L SE 8401036 L SE8401036 L SE 8401036L SE 8401036 A SE8401036 A SE 8401036A SE 8401036 A SE8401036 A SE 8401036A SE 8401036 L SE8401036 L SE 8401036L
Authority
SE
Sweden
Prior art keywords
alkali metal
acid
chlorate
chlorine
reaction
Prior art date
Application number
SE8401036A
Other languages
Swedish (sv)
Other versions
SE8401036D0 (en
Inventor
W A Fuller
Original Assignee
Kema Nord Ab
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
Priority claimed from US05/689,406 external-priority patent/US4049785A/en
Priority claimed from US05/689,405 external-priority patent/US4049784A/en
Application filed by Kema Nord Ab filed Critical Kema Nord Ab
Publication of SE8401036D0 publication Critical patent/SE8401036D0/en
Publication of SE8401036L publication Critical patent/SE8401036L/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • B01D3/16Fractionating columns in which vapour bubbles through liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0018Evaporation of components of the mixture to be separated
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00Oxides or oxyacids of halogens; Salts thereof
    • C01B11/02Oxides of chlorine
    • C01B11/022Chlorine dioxide (ClO2)
    • C01B11/023Preparation from chlorites or chlorates

Claims (5)

Pat entkrav 1. Farfarande far kontinuerlig framatAllning av en bland-fling innehAllande klordioxid och klor, varvidA process according to which a continuous mixture containing chlorine dioxide and chlorine is produced, wherein 1. ett alkalimetallklorat, en klorid och mineralsyra, coin utOres av svavelsyra eller blandningar av svavelsyra med fosfor- och saltsyra, kontinuerligt bringas att ranger& i proportion far bildning av klordioxid och klor;1. an alkali metal chlorate, a chloride and mineral acid, coin utOres of sulfuric acid or mixtures of sulfuric acid with phosphoric and hydrochloric acid, continuously brought to rank & in proportion for the formation of chlorine dioxide and chlorine; 2. temperaturen Mlles inom ett omrAde av ea 50 - ea 100°0;2. the temperature Mlles within a range of ea 50 - ea 100 ° 0; 3. reaktionslasningens aurhet halls inom omrAdet ea 2 - ca 12 N;3. the aurity of the reaction solution is kept within the range ea 2 - about 12 N; 4. genom reaktionen bildad klordioxid Oct klor uttages frdn reaktorn;4. Chlorine dioxide formed by the reaction Oct chlorine is removed from the reactor; 5. vatten avlAganas och alkalimetallaalt av mineralayran kristalliseras i form av ett vattenhaltigt slam innehAllande mindre mAngder klorat, klorid och syra, kAnnetecknatav att slammet, corn innehAller kris- taller av alkalimetallsaltet av mineralsyran och klorat, kontinuerligt Overfares till averdelen av en metateskolonn i nedAtgAende atm./Sinning; en stram av vattenhaltig metatealasning, corn bestAr av en vattene^,ing av salts',ller vattenlas- ning av alkalimetallklo,oiler jordal..etallklorid el- ler en blandning dArav, kontinuerligt bringas att passera uppiit genom kolonnen vid en hastighet och i en mAngd tillracklig far att Astadkomma reaktion mellan lasningen Oct alkalimetallsaltet far overfering av alkalimetallsaltet till 'salter av metateslasningen, varigenom klorat, klorid och syra, corn AterVinnes dArifritn, kontinuerligt och vlsentligen fullstAndigt riterfaree till reaktionen (a), med undantag far att metatealaaningen Utgares av saltsyra dl mineralsyran Ar svavelsyra.5. water is deposited and alkali metal metal of the mineral iron is crystallized in the form of an aqueous sludge containing minor amounts of chlorate, chloride and acid, characterized in that the sludge, corn contains crystals of the alkali metal salt of the mineral acid and chlorate, is continuously transferred to the metal. ./Sinning; a stream of aqueous metatealase, which consists of an aqueous solution of salts, or aqueous solution of alkali metal claw, or alkaline earth metal or a mixture thereof, is continuously passed up through the column at a rate and in a Ample amount to cause reaction between loading The alkali metal salt is converted from the alkali metal salt to salts of the metathesis solution, whereby chlorate, chloride and acid, corn is recovered, continuously and substantially completely riter danger to the reaction (a). dl mineral acid Ar sulfuric acid.
SE8401036A 1976-05-24 1984-02-24 PROCEDURE FOR THE PREPARATION OF CHLORIDE Dioxide SE8401036L (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US68940776A 1976-05-24 1976-05-24
US05/689,406 US4049785A (en) 1975-03-07 1976-05-24 Production of chlorine dioxide with product slurry metathesis
US05/689,405 US4049784A (en) 1975-03-07 1976-05-24 Production of chlorine dioxide with product slurry metathesis
US72128376A 1976-08-06 1976-08-06

Publications (2)

Publication Number Publication Date
SE8401036D0 SE8401036D0 (en) 1984-02-24
SE8401036L true SE8401036L (en) 1984-02-24

Family

ID=27505424

Family Applications (2)

Application Number Title Priority Date Filing Date
SE7705985A SE7705985L (en) 1976-05-24 1977-05-23 PROCEDURE FOR THE PRODUCTION OF CHLORINE DIOXIDE
SE8401036A SE8401036L (en) 1976-05-24 1984-02-24 PROCEDURE FOR THE PREPARATION OF CHLORIDE Dioxide

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE7705985A SE7705985L (en) 1976-05-24 1977-05-23 PROCEDURE FOR THE PRODUCTION OF CHLORINE DIOXIDE

Country Status (1)

Country Link
SE (2) SE7705985L (en)

Also Published As

Publication number Publication date
SE8401036D0 (en) 1984-02-24
SE7705985L (en) 1977-11-25

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