FI65213C - Foerfarande foer framstaellning av en blandning innehaollande klordioxid - Google Patents
Foerfarande foer framstaellning av en blandning innehaollande klordioxid Download PDFInfo
- Publication number
- FI65213C FI65213C FI760545A FI760545A FI65213C FI 65213 C FI65213 C FI 65213C FI 760545 A FI760545 A FI 760545A FI 760545 A FI760545 A FI 760545A FI 65213 C FI65213 C FI 65213C
- Authority
- FI
- Finland
- Prior art keywords
- alkali metal
- yes
- column
- jatkuvasti
- reaction
- Prior art date
Links
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 40
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 36
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 239000004155 Chlorine dioxide Substances 0.000 claims description 20
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 20
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 16
- 239000013078 crystal Substances 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000011780 sodium chloride Substances 0.000 claims description 10
- 239000000460 chlorine Substances 0.000 claims description 8
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 229910052936 alkali metal sulfate Inorganic materials 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims 3
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims 2
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims 1
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 claims 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims 1
- HAYXDMNJJFVXCI-UHFFFAOYSA-N arsenic(5+) Chemical compound [As+5] HAYXDMNJJFVXCI-UHFFFAOYSA-N 0.000 claims 1
- 229940077449 dichromate ion Drugs 0.000 claims 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 229910001437 manganese ion Inorganic materials 0.000 claims 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 33
- 229910052938 sodium sulfate Inorganic materials 0.000 description 26
- 235000011152 sodium sulphate Nutrition 0.000 description 26
- 238000005649 metathesis reaction Methods 0.000 description 23
- XTEGARKTQYYJKE-UHFFFAOYSA-M chlorate Inorganic materials [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 11
- 239000002253 acid Substances 0.000 description 6
- 238000010411 cooking Methods 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 238000005580 one pot reaction Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000012445 acidic reagent Substances 0.000 description 3
- -1 alkali metal chlorate Chemical class 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical group OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- RVBUZBPJAGZHSQ-UHFFFAOYSA-N 2-chlorobutanoic acid Chemical compound CCC(Cl)C(O)=O RVBUZBPJAGZHSQ-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229940005991 chloric acid Drugs 0.000 description 1
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/02—Oxides of chlorine
- C01B11/022—Chlorine dioxide (ClO2)
- C01B11/023—Preparation from chlorites or chlorates
- C01B11/025—Preparation from chlorites or chlorates from chlorates without any other reaction reducing agent than chloride ions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
- B01D3/24—Fractionating columns in which vapour bubbles through liquid with sloping plates or elements mounted stepwise
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00164—Controlling or regulating processes controlling the flow
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Catalysts (AREA)
Claims (5)
1. Menetelmä klooridioksidia ja klooria sisältävän seoksen valmistamiseksi jatkuvasti ja alkalimetallikloridilietteen ottamiseksi talteen, jossa (a) alkalimetallikloraatin, alkalimetallikloridin ja rikkihapon annetaan jatkuvasti reagoida yhden astian muodostamassa generaattori-haihdutin-kiteyttimessä suhteissa, jotka synnyttävät klooridioksidia ja klooria; (b) lämpötila pidetään välillä n. 65-85°C; (c) reaktioliuoksen happamuus pidetään välillä n. 2-4-N; (d) reaktioliuos alistetaan n. 100-400 mmHg:n absoluuttiseen tyhjöön vesihöyryn haihtumisen aikaansaamiseksi; (e) mainitulla reaktiolla tuotettua klooridioksidia ja klooria poistetaan sekoituksena mainitun vesihöyryn kanssa ja reaktio suoritetaan katalyytin läsnäollessa, joka on vana-diinipentoksidi, hopeaioni, mangaani-ioni, dikromaatti-ioni ja/tai arseeni-ioni, ja (f) neutraalia alkalimetallisulfaattia kiteytetään astiassa ja poistetaan siitä; tunnettu siitä, että johdetaan jatkuvasti reak-toriastiassa tuotettuja alkalimetallisulfaattikiteitä lietteen muodossa suoraan yhtenäisen metateesikolonnin huipulle alaspäin suuntautuvana virtauksena; johdetaan vastavirtaan laimean kloorivetyhapon virtausta ylöspäin mainitun kolonnin läpi nopeudella ja määrinä, jotka riittävät reagoimaan alkalimetallisulfaatin kanssa konvertoiden alkalimetallisulfaatin rikkihapoksi ja alkalimetalliklori-diksi palauttaen jatkuvasti arvokkaat kloraatti- ja rikkihappo-osat oleellisesti täysin yhden reaktoriastian liete-poistoon; ja poistetaan jatkuvasti alkalimetallikloridilietet-tä metateesikolonnin pohjalta. 1 Patenttivaatimuksen 1 mukainen menetelmä, tunnettu siitä, että alkalimetallikloraatti on natriumkloraatti ja alkalimetallikloridi on natriumkloridi. 9 6521 3
3. Patenttivaatimuksen 1 tai 2 mukainen menetelmä, tunnettu siitä, että kloorivetyhapon vesiliuoksen väkevyys on n. 32-37 paino-jL
4. Jonkin edellisen patenttivaatimuksen mukainen menetelmä, tunnettu siitä, että kloorivetyhapon vesiliuoksen lämpötila on n. 20-35°C.
5. Jonkin edellisen patenttivaatimuksen mukainen menetelmä, tunnettu siitä, että kuumaa vettä syötetään jatkuvasti metateesikolonniin sen pohjalle alkalimetallikloridin pesun aikaansaamiseksi.
1. Förfarande för kontinuerlig framställning av en blandning innehällande klordioxid och klor ooh ätervinning av ett alka-limetallkloridslam, varvid (a) ett alkalimetallklorat, en alkalimetallklorid och svavel-syra kontinuerligt bringas att reagera i ett enda kärl, som utgör generator, indunstare och kristallisator, i sädana pro-portioner att klordioxid och klor bildas; (b) temperaturen hälles inom ett omräde av ca 65-ca 85°C; (c) reaktionslösningens surhet hälles inom omrädet ca 2-ca 4-N; (d) reaktionslösningen utsättes för ett absolut vakuum av ca 100-400 mmHg för avdunstning av vattenänga; (e) klordioxid och klor, som framställts vid reaktionen, uttages i blandning med vattenängan, varvid reaktionen utföres i närvaro av en katalysator bestäende av vanadinpentoxid, silverjon, manganjon, dikromatjon eller arsenikjon, och (f) neutralt alkalimetallsulfat kristalliseras i kärlet och uttages därifrän, kännetecknat av att alkali-metallsulfatkristallerna, som bildats i reaktorkärlet, i form av en uppslamning kontinuerligt överföres direkt tili övendelen av en integrerad utbyteskolonn i nedätgäende strömning; en ström av utspädd saltsyra inleds uppät genom kolonnen vid en hastighet och i tillräcklig mängd för ästadkommande av reaktionen med alkalimetallsulfatet, varvid detta överföres
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI811669A FI65607C (fi) | 1975-03-07 | 1981-05-29 | Foerfarande foer kontinuerlig framstaellning av en blandning innehaollande klordioxid och klor samt foer aotervinning av alkalimetallkloridslam |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/556,379 US3976758A (en) | 1975-03-07 | 1975-03-07 | Production of chlorine dioxide |
US55637975 | 1975-03-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI760545A FI760545A (sv) | 1976-09-08 |
FI65213B FI65213B (fi) | 1983-12-30 |
FI65213C true FI65213C (fi) | 1984-04-10 |
Family
ID=24221108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI760545A FI65213C (fi) | 1975-03-07 | 1976-03-02 | Foerfarande foer framstaellning av en blandning innehaollande klordioxid |
Country Status (10)
Country | Link |
---|---|
US (1) | US3976758A (sv) |
JP (1) | JPS5924082B2 (sv) |
AU (1) | AU498155B2 (sv) |
BR (1) | BR7601244A (sv) |
CA (1) | CA1097478A (sv) |
ES (1) | ES445743A1 (sv) |
FI (1) | FI65213C (sv) |
FR (1) | FR2302964A1 (sv) |
PT (1) | PT64874B (sv) |
SE (2) | SE416127B (sv) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049784A (en) * | 1975-03-07 | 1977-09-20 | Hooker Chemicals & Plastics Corporation | Production of chlorine dioxide with product slurry metathesis |
ZA786778B (en) * | 1978-01-03 | 1980-07-30 | Erco Ind Ltd | Improved washing procedure in chlorine dioxide production |
NZ190344A (en) * | 1978-05-18 | 1981-02-11 | Hooker Chemicals Plastics Corp | Continuous production of a mixture of chlorine dioxide, chlorine and a neutral alkali metal salt |
US5770171A (en) * | 1990-03-05 | 1998-06-23 | Eka Nobel Inc. | Process for production of chlorine dioxide |
US6126702A (en) * | 1998-03-09 | 2000-10-03 | International Paper Company | Apparatus and method for treating sesquisulfate waste streams |
CA2793941C (en) | 2010-03-23 | 2015-08-18 | International Paper Company | Improved bctmp filtrate recycling system and method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE337217C (sv) * | ||||
NL57583C (sv) * | 1941-05-08 | 1900-01-01 | ||
US2531137A (en) * | 1946-06-25 | 1950-11-21 | Laubi Otto | Preparation of sulfuric acid and sodium chloride from sodium sulfate solutions |
US3864456A (en) * | 1964-08-13 | 1975-02-04 | Electric Reduction Co | Manufacture of chlorine dioxide, chlorine and anhydrous sodium sulphate |
US3563702A (en) * | 1968-03-05 | 1971-02-16 | Hooker Chemical Corp | Production of chlorine dioxide |
CA920773A (en) * | 1970-01-20 | 1973-02-13 | Electric Reduction Company Of Canada | Production of sulphuric acid |
US3760065A (en) * | 1970-05-29 | 1973-09-18 | Erco Ind Ltd | Production of chlorine dioxide |
US3754081A (en) * | 1970-09-17 | 1973-08-21 | Hooker Chemical Corp | Process for the production of chlorine dioxide,chlorine and a mixtureof an alkali metal sulfate and bisulfate |
US3793439A (en) * | 1971-02-17 | 1974-02-19 | Erco Ind Ltd | Production of chlorine dioxide |
US3800026A (en) * | 1971-04-06 | 1974-03-26 | Stauffer Chemical Co | Method for preparing sodium chloride brine |
US3733395A (en) * | 1971-04-07 | 1973-05-15 | Hooker Chemical Corp | Process for producing chlorine dioxide,chlorine and a neutral sulfate salt in the sulfate or kraft process of preparing wood pulp |
-
1975
- 1975-03-07 US US05/556,379 patent/US3976758A/en not_active Expired - Lifetime
-
1976
- 1976-02-17 CA CA245,890A patent/CA1097478A/en not_active Expired
- 1976-02-18 AU AU11193/76A patent/AU498155B2/en not_active Expired
- 1976-02-23 SE SE7602124A patent/SE416127B/sv unknown
- 1976-02-26 BR BR7601244A patent/BR7601244A/pt unknown
- 1976-03-02 FI FI760545A patent/FI65213C/fi not_active IP Right Cessation
- 1976-03-03 JP JP51023696A patent/JPS5924082B2/ja not_active Expired
- 1976-03-03 ES ES445743A patent/ES445743A1/es not_active Expired
- 1976-03-05 PT PT64874A patent/PT64874B/pt unknown
- 1976-03-05 FR FR7606304A patent/FR2302964A1/fr active Granted
-
1979
- 1979-08-14 SE SE7906795A patent/SE430590B/sv unknown
Also Published As
Publication number | Publication date |
---|---|
SE430590B (sv) | 1983-11-28 |
JPS51112797A (en) | 1976-10-05 |
FR2302964A1 (fr) | 1976-10-01 |
SE7602124L (sv) | 1976-09-08 |
SE7906795L (sv) | 1979-08-14 |
FI65213B (fi) | 1983-12-30 |
BR7601244A (pt) | 1976-09-14 |
PT64874B (en) | 1977-07-22 |
CA1097478A (en) | 1981-03-17 |
FI760545A (sv) | 1976-09-08 |
SE416127B (sv) | 1980-12-01 |
JPS5924082B2 (ja) | 1984-06-07 |
AU1119376A (en) | 1977-08-25 |
PT64874A (en) | 1976-04-01 |
ES445743A1 (es) | 1977-09-01 |
US3976758A (en) | 1976-08-24 |
AU498155B2 (en) | 1979-02-15 |
FR2302964B1 (sv) | 1981-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: KEMANORD AB |