CA1188482A - Continuous process for the manufacture of calcium hypochlorite - Google Patents
Continuous process for the manufacture of calcium hypochloriteInfo
- Publication number
- CA1188482A CA1188482A CA000440903A CA440903A CA1188482A CA 1188482 A CA1188482 A CA 1188482A CA 000440903 A CA000440903 A CA 000440903A CA 440903 A CA440903 A CA 440903A CA 1188482 A CA1188482 A CA 1188482A
- Authority
- CA
- Canada
- Prior art keywords
- calcium hypochlorite
- slurry
- crystals
- dibasic calcium
- dibasic
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000010924 continuous production Methods 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000002002 slurry Substances 0.000 claims abstract description 139
- 239000013078 crystal Substances 0.000 claims abstract description 121
- LTAFUYCOQAJRBT-UHFFFAOYSA-J tricalcium;tetrahydroxide;dihypochlorite Chemical compound [OH-].[OH-].[OH-].[OH-].[Ca+2].[Ca+2].[Ca+2].Cl[O-].Cl[O-] LTAFUYCOQAJRBT-UHFFFAOYSA-J 0.000 claims abstract description 84
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 68
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 53
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 53
- 239000004571 lime Substances 0.000 claims abstract description 53
- 239000012452 mother liquor Substances 0.000 claims abstract description 38
- 238000000926 separation method Methods 0.000 claims abstract description 37
- 239000011780 sodium chloride Substances 0.000 claims abstract description 34
- 239000012535 impurity Substances 0.000 claims abstract description 31
- ABONIXOLZDCGIG-UHFFFAOYSA-N calcium;dihypochlorite;dihydrate Chemical compound O.O.[Ca+2].Cl[O-].Cl[O-] ABONIXOLZDCGIG-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003513 alkali Substances 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 15
- 230000000630 rising effect Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 43
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 13
- 239000000460 chlorine Substances 0.000 claims description 13
- 229910052801 chlorine Inorganic materials 0.000 claims description 13
- 239000003518 caustics Substances 0.000 claims description 11
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract description 15
- 238000005660 chlorination reaction Methods 0.000 abstract description 8
- -1 alkali metal hypochlorite Chemical class 0.000 abstract description 6
- 229910052783 alkali metal Inorganic materials 0.000 abstract description 4
- 240000006909 Tilia x europaea Species 0.000 description 43
- 239000000243 solution Substances 0.000 description 17
- 239000011575 calcium Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000000047 product Substances 0.000 description 12
- 238000002156 mixing Methods 0.000 description 10
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000706 filtrate Substances 0.000 description 9
- 239000005708 Sodium hypochlorite Substances 0.000 description 8
- 239000010419 fine particle Substances 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 7
- 229910052791 calcium Inorganic materials 0.000 description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 6
- 238000013019 agitation Methods 0.000 description 6
- 239000001110 calcium chloride Substances 0.000 description 6
- 229910001628 calcium chloride Inorganic materials 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- XETNWTYYCZBSKB-UHFFFAOYSA-M Cl[O-].[Ca+2].[Cl-].[Na+] Chemical compound Cl[O-].[Ca+2].[Cl-].[Na+] XETNWTYYCZBSKB-UHFFFAOYSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 150000004683 dihydrates Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910019093 NaOCl Inorganic materials 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 150000002506 iron compounds Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 150000003388 sodium compounds Chemical class 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 240000007313 Tilia cordata Species 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 201000003974 autosomal dominant hypocalcemia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- ISMYGHVVCUTUFB-UHFFFAOYSA-N hypochlorous acid dihydrate Chemical compound O.O.ClO ISMYGHVVCUTUFB-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- SATVIFGJTRRDQU-UHFFFAOYSA-N potassium hypochlorite Chemical compound [K+].Cl[O-] SATVIFGJTRRDQU-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009182 swimming Effects 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
- C01B11/04—Hypochlorous acid
- C01B11/06—Hypochlorites
- C01B11/064—Hypochlorites of alkaline-earth metals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/473,167 US4468377A (en) | 1983-03-07 | 1983-03-07 | Continuous process for the manufacture of calcium hypochlorite |
| US473,167 | 1983-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1188482A true CA1188482A (en) | 1985-06-11 |
Family
ID=23878466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000440903A Expired CA1188482A (en) | 1983-03-07 | 1983-11-10 | Continuous process for the manufacture of calcium hypochlorite |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4468377A (enExample) |
| EP (1) | EP0123749B1 (enExample) |
| JP (1) | JPS59164602A (enExample) |
| AU (1) | AU569267B2 (enExample) |
| BR (1) | BR8306493A (enExample) |
| CA (1) | CA1188482A (enExample) |
| DE (1) | DE3379840D1 (enExample) |
| MX (1) | MX160835A (enExample) |
| ZA (1) | ZA838547B (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4487751A (en) * | 1983-06-15 | 1984-12-11 | Olin Corporation | Process for calcium hypochlorite |
| US4517166A (en) * | 1984-06-12 | 1985-05-14 | Consito Spa | Two-stage chlorination process for the production of solid bleaching powder with a high active chlorine content |
| US5116594A (en) * | 1989-05-18 | 1992-05-26 | Olin Corporation | Salt handling apparatus for a hypochlorous acid reactor |
| DE69006597T2 (de) * | 1989-05-18 | 1994-07-07 | Olin Corp | Vorrichtung zur handhabung von salz für einen reaktor von unterchloriger säure. |
| MXPA05010581A (es) * | 2003-04-02 | 2005-11-23 | Arch Chem Inc | Tabletas mezcladas con hipoclorito de calcio. |
| GB2488838A (en) * | 2011-03-11 | 2012-09-12 | Biomimetics Health Ind Ltd | A stable antimicrobial aqueous hypochlorous acid solution |
| WO2016013027A2 (en) * | 2014-07-24 | 2016-01-28 | Geist Research Private Limited | A novel process for recovery of calcium hypochlorite |
| CN109336056A (zh) * | 2018-11-20 | 2019-02-15 | 国家海洋局天津海水淡化与综合利用研究所 | 一种钠法制备次氯酸钙的方法 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1713669A (en) * | 1926-08-04 | 1929-05-21 | Mathieson Alkali Works Inc | Manufacture of calcium hypochlorite |
| US1718285A (en) * | 1926-08-04 | 1929-06-25 | Mathieson Alkali Works Inc | Manufacture of calcium hypochlorite |
| US1937230A (en) * | 1930-07-24 | 1933-11-28 | Ici Ltd | Manufacture of calcium hypochlorite |
| US1937613A (en) * | 1932-01-14 | 1933-12-05 | Mathieson Alkali Works Inc | Manufacture of calcium hypochlorite |
| US2320635A (en) * | 1940-01-23 | 1943-06-01 | Wyandotte Chemicals Corp | Manufacture of high test bleach |
| US3094380A (en) * | 1960-06-27 | 1963-06-18 | Pennsalt Chemicals Corp | Control of hydrogen ion concentration in crystallization of calcium hypochlorite |
| US3241912A (en) * | 1962-04-20 | 1966-03-22 | Olin Mathieson | Process of aqueous chlorination |
| ZA707296B (en) * | 1970-10-27 | 1972-02-23 | Klipfontein Org Prod Corp Ltd | A process for the production of neutral calcium hypochlorite crystals |
| US3895099A (en) * | 1972-05-30 | 1975-07-15 | Olin Corp | Process for manufacture of calcium hydrochlorite |
| US4196184A (en) * | 1972-05-30 | 1980-04-01 | Olin Corporation | Lime recovery process |
| JPS5931367B2 (ja) * | 1977-09-14 | 1984-08-01 | 株式会社東芝 | ガス遠心分離機における回転胴の製造方法 |
| JPS585842B2 (ja) * | 1979-03-08 | 1983-02-02 | 東ソー株式会社 | 高純度次亜塩素酸カルシウム二水化物のスラリ−の収得方法 |
| US4337236A (en) * | 1980-08-07 | 1982-06-29 | Olin Corporation | Process for manufacture of calcium hypochlorite |
| US4335090A (en) * | 1981-03-04 | 1982-06-15 | Olin Corporation | Preparing calcium hypochlorite from triple salt |
| DE3263846D1 (en) * | 1981-03-09 | 1985-07-04 | Klipfontein Organic Prod | Production of calcium hypochlorite |
| DE3261806D1 (en) * | 1981-03-09 | 1985-02-21 | Klipfontein Organic Prod | Production of calcium hypochlorite |
| DE3267052D1 (en) * | 1982-02-04 | 1985-11-28 | Olin Corp | An improved process for calcium hypochlorite production |
| US4367209A (en) * | 1982-02-26 | 1983-01-04 | Olin Corporation | Calcium hypochlorite production from its dibasic salt |
| US4399117A (en) * | 1982-02-04 | 1983-08-16 | Olin Corporation | Production of neutral calcium hypochlorite from its dibasic salt |
| US4448759A (en) * | 1982-05-03 | 1984-05-15 | Ppg Industries, Inc. | Method for separating particulate calcium hypochlorite and sodium chloride |
| US4428919A (en) * | 1982-05-03 | 1984-01-31 | Ppg Industries, Inc. | Method for separating particulate calcium hypochlorite and sodium chloride |
| US4416864A (en) * | 1982-09-30 | 1983-11-22 | Olin Corporation | Process for calcium hypochlorite |
-
1983
- 1983-03-07 US US06/473,167 patent/US4468377A/en not_active Expired - Fee Related
- 1983-11-10 CA CA000440903A patent/CA1188482A/en not_active Expired
- 1983-11-16 ZA ZA838547A patent/ZA838547B/xx unknown
- 1983-11-17 DE DE8383307040T patent/DE3379840D1/de not_active Expired
- 1983-11-17 EP EP83307040A patent/EP0123749B1/en not_active Expired
- 1983-11-25 BR BR8306493A patent/BR8306493A/pt not_active IP Right Cessation
- 1983-11-30 MX MX199584A patent/MX160835A/es unknown
- 1983-12-01 AU AU21884/83A patent/AU569267B2/en not_active Ceased
- 1983-12-01 JP JP58225529A patent/JPS59164602A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU2188483A (en) | 1984-09-13 |
| JPH0360762B2 (enExample) | 1991-09-17 |
| MX160835A (es) | 1990-05-30 |
| US4468377A (en) | 1984-08-28 |
| EP0123749B1 (en) | 1989-05-10 |
| ZA838547B (en) | 1984-08-29 |
| JPS59164602A (ja) | 1984-09-17 |
| AU569267B2 (en) | 1988-01-28 |
| BR8306493A (pt) | 1984-11-06 |
| DE3379840D1 (en) | 1989-06-15 |
| EP0123749A1 (en) | 1984-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3895099A (en) | Process for manufacture of calcium hydrochlorite | |
| CA1188482A (en) | Continuous process for the manufacture of calcium hypochlorite | |
| US3950499A (en) | Process for production of calcium hypochlorite | |
| US4367209A (en) | Calcium hypochlorite production from its dibasic salt | |
| EP0046048B1 (en) | Process for manufacture of calcium hypochlorite | |
| US3251647A (en) | Process for producing calcium hypochlorite of high purity and available chlorine content | |
| US3954948A (en) | Process for manufacture of calcium hypochlorite | |
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| US4416864A (en) | Process for calcium hypochlorite | |
| US4390512A (en) | Process for producing calcium hypochlorite | |
| US4399117A (en) | Production of neutral calcium hypochlorite from its dibasic salt | |
| US4504457A (en) | Continuous process for producing granular calcium hypochlorite particles | |
| US4487751A (en) | Process for calcium hypochlorite | |
| EP0086914B1 (en) | An improved process for calcium hypochlorite production | |
| EP0059589B1 (en) | Improved process for preparing calcium hypochlorite | |
| CA1070086A (en) | Lime recovery process | |
| US4842841A (en) | Continuous process for producing granular calcium hypochlorite particles | |
| CA1290135C (en) | Calcium hypochlorite process | |
| CA1172827A (en) | Process for manufacture of calcium hypochlorite | |
| WO1990005112A1 (en) | Quicklime hydration using calcium hypochlorite mother liquor | |
| JPS5921522A (ja) | 高純度塩化カルシウム水溶液の製造方法 | |
| JPH025685B2 (enExample) | ||
| WO1992021610A1 (en) | Process for producing calcium hypochlorite from concentrated hypochlorous acid solutions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20031110 |