CA1199472A - Process for calcium hypochlorite - Google Patents
Process for calcium hypochloriteInfo
- Publication number
- CA1199472A CA1199472A CA000453343A CA453343A CA1199472A CA 1199472 A CA1199472 A CA 1199472A CA 000453343 A CA000453343 A CA 000453343A CA 453343 A CA453343 A CA 453343A CA 1199472 A CA1199472 A CA 1199472A
- Authority
- CA
- Canada
- Prior art keywords
- calcium hypochlorite
- slurry
- crystals
- basic calcium
- basic
- 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 171
- 238000000034 method Methods 0.000 title claims abstract description 72
- 239000002002 slurry Substances 0.000 claims abstract description 165
- 239000013078 crystal Substances 0.000 claims abstract description 137
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 92
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 92
- 239000004571 lime Substances 0.000 claims abstract description 92
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims abstract description 88
- 238000002156 mixing Methods 0.000 claims abstract description 53
- 239000012452 mother liquor Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 26
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 21
- ABONIXOLZDCGIG-UHFFFAOYSA-N calcium;dihypochlorite;dihydrate Chemical compound O.O.[Ca+2].Cl[O-].Cl[O-] ABONIXOLZDCGIG-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 21
- 239000000460 chlorine Substances 0.000 claims abstract description 21
- 239000003513 alkali Substances 0.000 claims abstract description 9
- -1 alkali metal hypochlorite Chemical class 0.000 claims abstract description 8
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 5
- 238000009736 wetting Methods 0.000 claims abstract description 4
- 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 description 51
- 239000012535 impurity Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000706 filtrate Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 6
- 230000006911 nucleation Effects 0.000 abstract description 5
- 238000010899 nucleation Methods 0.000 abstract description 5
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 240000006909 Tilia x europaea Species 0.000 description 77
- 235000012970 cakes Nutrition 0.000 description 40
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 34
- 239000011575 calcium Substances 0.000 description 22
- 239000000047 product Substances 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 229910001868 water Inorganic materials 0.000 description 21
- 239000011780 sodium chloride Substances 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- 239000005708 Sodium hypochlorite Substances 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 11
- 230000007935 neutral effect Effects 0.000 description 11
- 229910052791 calcium Inorganic materials 0.000 description 10
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 10
- 239000000920 calcium hydroxide Substances 0.000 description 10
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 10
- 235000011116 calcium hydroxide Nutrition 0.000 description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 8
- 238000005660 chlorination reaction Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 240000007313 Tilia cordata Species 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000033116 oxidation-reduction process Effects 0.000 description 3
- 239000012266 salt solution Substances 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 150000003388 sodium compounds Chemical class 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 229910019093 NaOCl Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- YALMXYPQBUJUME-UHFFFAOYSA-L calcium chlorate Chemical compound [Ca+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O YALMXYPQBUJUME-UHFFFAOYSA-L 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 235000021463 dry cake Nutrition 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical class ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 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
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052905 tridymite 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
- C01B11/04—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)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US504,704 | 1983-06-15 | ||
| US06/504,704 US4487751A (en) | 1983-06-15 | 1983-06-15 | Process for calcium hypochlorite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1199472A true CA1199472A (en) | 1986-01-21 |
Family
ID=24007391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000453343A Expired CA1199472A (en) | 1983-06-15 | 1984-05-02 | Process for calcium hypochlorite |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4487751A (enExample) |
| EP (1) | EP0131713B1 (enExample) |
| JP (1) | JPS605005A (enExample) |
| AU (1) | AU572141B2 (enExample) |
| CA (1) | CA1199472A (enExample) |
| DE (1) | DE3466204D1 (enExample) |
| ZA (1) | ZA844192B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3541439B2 (ja) * | 1994-07-08 | 2004-07-14 | ソニー株式会社 | 信号変調方法及び装置、並びに信号復調装置及び方法 |
| JP3769740B2 (ja) * | 1995-09-26 | 2006-04-26 | 日本曹達株式会社 | 溶解性が制御された次亜塩素酸カルシウム組成物錠剤の製造法 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1718285A (en) * | 1926-08-04 | 1929-06-25 | Mathieson Alkali Works Inc | Manufacture of calcium hypochlorite |
| US1713669A (en) * | 1926-08-04 | 1929-05-21 | Mathieson Alkali Works Inc | Manufacture of calcium hypochlorite |
| US2374835A (en) * | 1940-11-14 | 1945-05-01 | Mathieson Alkali Works Inc | Method for the production of hemibasic calcium hypochlorite |
| US2368042A (en) * | 1942-01-21 | 1945-01-23 | Mathieson Alkali Works Inc | Process for producing neutral calcium hypochlorite |
| FR962242A (enExample) * | 1942-12-30 | 1950-06-07 | ||
| US3030177A (en) * | 1958-09-15 | 1962-04-17 | Pennsalt Chemicals Corp | Continuous multi-stage process for production of dibasic calcium hypochlorite |
| US3094380A (en) * | 1960-06-27 | 1963-06-18 | Pennsalt Chemicals Corp | Control of hydrogen ion concentration in crystallization of calcium hypochlorite |
| US4196184A (en) * | 1972-05-30 | 1980-04-01 | Olin Corporation | Lime recovery process |
| US3895099A (en) * | 1972-05-30 | 1975-07-15 | Olin Corp | Process for manufacture of calcium hydrochlorite |
| JPS5418238B2 (enExample) * | 1973-11-28 | 1979-07-05 | ||
| NL168192C (nl) * | 1975-03-27 | 1982-03-16 | Potasse & Produits Chimiques | Werkwijze voor het bereiden van neutraal calciumhypochloriet. |
| JPS593924B2 (ja) * | 1976-03-25 | 1984-01-26 | 日本曹達株式会社 | 成型された次亜塩素酸カルシウム組成物 |
| JPS5829245B2 (ja) * | 1979-09-06 | 1983-06-21 | 東ソー株式会社 | 粗大次亜塩素酸カルシウム二水化物の製造方法 |
| US4337236A (en) * | 1980-08-07 | 1982-06-29 | Olin Corporation | Process for manufacture of calcium hypochlorite |
| DE3261806D1 (en) * | 1981-03-09 | 1985-02-21 | Klipfontein Organic Prod | Production of calcium hypochlorite |
| US4328200A (en) * | 1981-06-01 | 1982-05-04 | Ppg Industries, Inc. | Process for producing calcium hypochlorite |
| JPS5869702A (ja) * | 1981-10-22 | 1983-04-26 | Toagosei Chem Ind Co Ltd | 次亜塩素酸カルシウムの製造方法 |
| US4367209A (en) * | 1982-02-26 | 1983-01-04 | Olin Corporation | Calcium hypochlorite production from its dibasic salt |
| EP0086914B1 (en) * | 1982-02-04 | 1985-10-23 | Olin Corporation | An improved process for calcium hypochlorite production |
| US4399117A (en) * | 1982-02-04 | 1983-08-16 | Olin Corporation | Production of neutral calcium hypochlorite from its dibasic salt |
| US4416864A (en) * | 1982-09-30 | 1983-11-22 | Olin Corporation | Process for calcium hypochlorite |
| US4504457A (en) * | 1982-09-30 | 1985-03-12 | Olin Corporation | Continuous process for producing granular calcium hypochlorite particles |
| US4468377A (en) * | 1983-03-07 | 1984-08-28 | Olin Corporation | Continuous process for the manufacture of calcium hypochlorite |
-
1983
- 1983-06-15 US US06/504,704 patent/US4487751A/en not_active Expired - Lifetime
-
1984
- 1984-05-02 CA CA000453343A patent/CA1199472A/en not_active Expired
- 1984-05-14 AU AU27982/84A patent/AU572141B2/en not_active Ceased
- 1984-05-16 DE DE8484105592T patent/DE3466204D1/de not_active Expired
- 1984-05-16 EP EP84105592A patent/EP0131713B1/en not_active Expired
- 1984-06-05 ZA ZA844192A patent/ZA844192B/xx unknown
- 1984-06-14 JP JP59120884A patent/JPS605005A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU2798284A (en) | 1984-12-20 |
| ZA844192B (en) | 1985-01-30 |
| EP0131713B1 (en) | 1987-09-16 |
| AU572141B2 (en) | 1988-05-05 |
| JPS605005A (ja) | 1985-01-11 |
| EP0131713A1 (en) | 1985-01-23 |
| JPH0345004B2 (enExample) | 1991-07-09 |
| US4487751A (en) | 1984-12-11 |
| DE3466204D1 (en) | 1987-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20040502 |