FI69822C - Foerfarande foer utvinning av ett biproduktsalt fraon suspensionen daerav i ett vattenhaltigt surt reaktionsmedium som anvaends foer framstaellning av klordioxid - Google Patents
Foerfarande foer utvinning av ett biproduktsalt fraon suspensionen daerav i ett vattenhaltigt surt reaktionsmedium som anvaends foer framstaellning av klordioxid Download PDFInfo
- Publication number
- FI69822C FI69822C FI790007A FI790007A FI69822C FI 69822 C FI69822 C FI 69822C FI 790007 A FI790007 A FI 790007A FI 790007 A FI790007 A FI 790007A FI 69822 C FI69822 C FI 69822C
- Authority
- FI
- Finland
- Prior art keywords
- chamber
- washing
- suspension
- wash water
- column
- Prior art date
Links
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 58
- 238000005406 washing Methods 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 34
- 239000004155 Chlorine dioxide Substances 0.000 claims description 29
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 29
- 238000012546 transfer Methods 0.000 claims description 28
- 239000012429 reaction media Substances 0.000 claims description 26
- 239000013078 crystal Substances 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 17
- 239000006227 byproduct Substances 0.000 claims description 15
- 230000008719 thickening Effects 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 11
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 238000005243 fluidization Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000002002 slurry Substances 0.000 description 30
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 21
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 18
- 229910052938 sodium sulfate Inorganic materials 0.000 description 18
- 235000011152 sodium sulphate Nutrition 0.000 description 18
- 239000002253 acid Substances 0.000 description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 15
- 239000010802 sludge Substances 0.000 description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 11
- 230000007935 neutral effect Effects 0.000 description 11
- -1 chlorate ions Chemical class 0.000 description 10
- 239000011780 sodium chloride Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000010908 decantation Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 4
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000012431 aqueous reaction media Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- IYGFDEZBVCNBRU-UHFFFAOYSA-L disodium sulfuric acid sulfate Chemical compound [H+].[H+].[H+].[H+].[Na+].[Na+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O IYGFDEZBVCNBRU-UHFFFAOYSA-L 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
- 229940005991 chloric acid Drugs 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000002562 thickening agent Substances 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7629—Details of the mechanical connection of the insulation to the wall
- E04B1/7633—Dowels with enlarged insulation retaining head
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Claims (13)
1. Förfarande för atervinning av ett biproduktsalt frän sus-pensionen därav i ett vattenhaltigt, surt reaktionsmedium som an-vänds för framställning av kloridoxid och son innehäller klorat-ocj kloridjoner, i vilket förfarande man läter en del av suspenionen strömma nedät under inverkan av tyngdkraften genom flera ovanpä va-randra belägna, med vätska eller fastämne fyllda kammare för att tvättas däri, kännetecknat därav, att suspensionen leds medströms med tvättvatten frän en kammare tili en följande lägre kammare, varvid kristallerna sjunker tili botten av en följande lägre kammare och förtjockas före sin transport tili en följande lägre kammare, och vattenfasen som avlägsnats vid en punkt närä kammarens övre ände förs tili en punkt som ligger närä övre änden av en följande högre kammare för användning däri som det medströms förda tvättvattnet.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att den ursprungliga suspensionens fastämneshalt är ca. 1 -ca. 30 vikt/vikt-% och suspensionen förtjockas tili en fastämneshalt av ca. 50 - ca. 80 vikt/vikt-% före flerstegstvättningen.
3. Förfarande enligt patentkravet 2, kännetecknat därav, att den första förtjockningen utförs i en cyklonseparator.
4. Förfarande enligt nägot av patentkraven 1-3, kännetecknat därav, att tvättvattnets temperatur är ca. 20°- ca. 80°C.
5. Förfarande enligt patentkravet 4, kännetecknat därav, att tvättvattnets temperatur är ca. 30°- ca. 80°C.
6. Apparatur för bildande av klordioxid, vilken apparat omfat-tar minst ett kärl för bildande av klordioxid, samt minst en tvät-tare för tvättning av en suspension av ett frän reaktionsmediet äterfunnet fast biproduktsalt för att förminska koncentrationen av reaktionsmediet ingäende däri, varvid tvättaren bestär av en tvätt-kolonn som omfattar en serie tvättkammare, ett övre inlopp för in-matning i den överts kammaren, ett lägre utlopp för avlägsning av tvättad suspension frän kolonnen, ett lägre inlopp för inmatning av tvättvatten i kolonnen och ett övre utlopp för avlägsning av brukat tvättvatten frän kolonnen, kännetecknad därav, att en
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2978 | 1978-01-03 | ||
| GB2978 | 1978-01-03 | ||
| GB905078 | 1978-03-07 | ||
| GB905078 | 1978-03-07 | ||
| GB1923578 | 1978-05-12 | ||
| GB1923578 | 1978-05-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI790007A7 FI790007A7 (fi) | 1979-07-04 |
| FI69822B FI69822B (fi) | 1985-12-31 |
| FI69822C true FI69822C (fi) | 1986-05-26 |
Family
ID=27253649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI790007A FI69822C (fi) | 1978-01-03 | 1979-01-02 | Foerfarande foer utvinning av ett biproduktsalt fraon suspensionen daerav i ett vattenhaltigt surt reaktionsmedium som anvaends foer framstaellning av klordioxid |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS54128998A (sv) |
| AR (1) | AR220364A1 (sv) |
| AU (1) | AU4303979A (sv) |
| BR (1) | BR7808556A (sv) |
| CA (2) | CA1117731A (sv) |
| CS (1) | CS10279A2 (sv) |
| CU (1) | CU35046A (sv) |
| DE (1) | DE2856504A1 (sv) |
| ES (1) | ES476508A1 (sv) |
| FI (1) | FI69822C (sv) |
| FR (1) | FR2413320A1 (sv) |
| GB (1) | GB2011362A (sv) |
| NO (1) | NO784406L (sv) |
| OA (1) | OA06144A (sv) |
| PL (1) | PL120161B1 (sv) |
| PT (1) | PT68985A (sv) |
| SE (1) | SE7813136L (sv) |
| ZA (1) | ZA786778B (sv) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1149131A (en) * | 1980-09-15 | 1983-07-05 | Erco Industries Limited | High efficiency production of chlorine dioxide |
| US5116595A (en) * | 1991-04-22 | 1992-05-26 | Tenneco Canada Inc. | Metathesis of acidic by-product of chlorine dioxide generating process |
| US5205995A (en) * | 1991-04-22 | 1993-04-27 | Sterling Canada Inc. | Metathesis of acidic by-product of chlorine dioxide generating apparatus |
| AU5586394A (en) | 1992-11-09 | 1994-06-08 | Sterling Canada, Inc. | Metathesis of acidic by-product of chlorine dioxide generating process |
| US5399332A (en) * | 1993-10-20 | 1995-03-21 | Sterling Canada, Inc. | Dynamic leaching procedure for metathesis |
| US5792441A (en) * | 1996-10-11 | 1998-08-11 | Pulp And Paper Research Institute Of Canada | Fixed-resin bed technologies for the treatment of the chlorine dioxide generator effluent and feeds stream |
| FR2757500B1 (fr) * | 1996-12-23 | 1999-01-22 | Atochem Elf Sa | Procede de fabrication de bioxyde de chlore |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US3816077A (en) * | 1971-05-21 | 1974-06-11 | Hooker Chemical Corp | Chlorine dioxide generating system |
| US4045542A (en) * | 1974-12-13 | 1977-08-30 | Hooker Chemicals & Plastics Corporation | Production of chlorine dioxide |
| US3975505A (en) * | 1974-12-13 | 1976-08-17 | Hooker Chemicals & Plastics Corporation | Production of chlorine dioxide |
| US3976758A (en) * | 1975-03-07 | 1976-08-24 | Hooker Chemicals & Plastics Corporation | Production of chlorine dioxide |
| US3974266A (en) * | 1975-03-07 | 1976-08-10 | Hooker Chemicals & Plastics Corporation | Production of chlorine dioxide |
-
1978
- 1978-12-04 ZA ZA786778A patent/ZA786778B/xx unknown
- 1978-12-14 GB GB7848515A patent/GB2011362A/en not_active Withdrawn
- 1978-12-14 CA CA000317998A patent/CA1117731A/en not_active Expired
- 1978-12-20 SE SE7813136A patent/SE7813136L/sv unknown
- 1978-12-22 FR FR7836218A patent/FR2413320A1/fr active Granted
- 1978-12-27 PT PT68985A patent/PT68985A/pt unknown
- 1978-12-28 BR BR7808556A patent/BR7808556A/pt unknown
- 1978-12-28 NO NO784406A patent/NO784406L/no unknown
- 1978-12-28 DE DE19782856504 patent/DE2856504A1/de not_active Withdrawn
- 1978-12-28 AR AR274991A patent/AR220364A1/es active
- 1978-12-28 JP JP16130378A patent/JPS54128998A/ja active Pending
- 1978-12-29 OA OA56703A patent/OA06144A/xx unknown
- 1978-12-29 ES ES476508A patent/ES476508A1/es not_active Expired
-
1979
- 1979-01-02 FI FI790007A patent/FI69822C/fi not_active IP Right Cessation
- 1979-01-02 AU AU43039/79A patent/AU4303979A/en not_active Abandoned
- 1979-01-03 CS CS79102A patent/CS10279A2/cs unknown
- 1979-01-03 PL PL1979212594A patent/PL120161B1/pl unknown
- 1979-02-27 CU CU7935046A patent/CU35046A/es unknown
-
1981
- 1981-02-10 CA CA000370568A patent/CA1118184A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CS10279A2 (en) | 1985-05-15 |
| OA06144A (fr) | 1981-06-30 |
| ZA786778B (en) | 1980-07-30 |
| PT68985A (en) | 1979-01-01 |
| FI790007A7 (fi) | 1979-07-04 |
| FR2413320A1 (fr) | 1979-07-27 |
| AR220364A1 (es) | 1980-10-31 |
| CA1118184A (en) | 1982-02-16 |
| AU4303979A (en) | 1979-07-12 |
| PL120161B1 (en) | 1982-02-27 |
| CU35046A (en) | 1981-12-04 |
| CA1117731A (en) | 1982-02-09 |
| DE2856504A1 (de) | 1979-07-05 |
| FI69822B (fi) | 1985-12-31 |
| BR7808556A (pt) | 1979-08-07 |
| PL212594A1 (pl) | 1979-11-19 |
| JPS54128998A (en) | 1979-10-05 |
| GB2011362A (en) | 1979-07-11 |
| NO784406L (no) | 1979-07-04 |
| ES476508A1 (es) | 1979-11-16 |
| SE7813136L (sv) | 1979-07-04 |
| FR2413320B1 (sv) | 1981-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: TENNECO CANADA INC. |