JPS58151303A - 次亜塩素酸カルシウムの製法 - Google Patents
次亜塩素酸カルシウムの製法Info
- Publication number
- JPS58151303A JPS58151303A JP57202238A JP20223882A JPS58151303A JP S58151303 A JPS58151303 A JP S58151303A JP 57202238 A JP57202238 A JP 57202238A JP 20223882 A JP20223882 A JP 20223882A JP S58151303 A JPS58151303 A JP S58151303A
- Authority
- JP
- Japan
- Prior art keywords
- calcium hypochlorite
- slurry
- crystals
- dibasic
- calcium
- 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.)
- Granted
Links
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 title claims description 88
- 238000004519 manufacturing process Methods 0.000 title description 16
- 239000002002 slurry Substances 0.000 claims description 112
- 239000013078 crystal Substances 0.000 claims description 91
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 74
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 74
- 239000004571 lime Substances 0.000 claims description 74
- 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 63
- 239000012535 impurity Substances 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 50
- 150000003839 salts Chemical class 0.000 claims description 44
- 239000012452 mother liquor Substances 0.000 claims description 39
- 239000000243 solution Substances 0.000 claims description 34
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 30
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 30
- 239000001110 calcium chloride Substances 0.000 claims description 27
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 27
- 238000002156 mixing Methods 0.000 claims description 25
- 239000000460 chlorine Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 22
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 21
- 229910052801 chlorine Inorganic materials 0.000 claims description 21
- 230000007935 neutral effect Effects 0.000 claims description 16
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 13
- 239000011575 calcium Substances 0.000 claims description 13
- 229910052791 calcium Inorganic materials 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 6
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- -1 alkali metal hypochlorite Chemical class 0.000 claims description 4
- QXIKMJLSPJFYOI-UHFFFAOYSA-L calcium;dichlorite Chemical compound [Ca+2].[O-]Cl=O.[O-]Cl=O QXIKMJLSPJFYOI-UHFFFAOYSA-L 0.000 claims description 4
- 238000005194 fractionation Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000005188 flotation Methods 0.000 claims description 2
- 239000013081 microcrystal Substances 0.000 claims description 2
- 239000012266 salt solution Substances 0.000 claims description 2
- 240000006909 Tilia x europaea Species 0.000 description 70
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 49
- 239000011780 sodium chloride Substances 0.000 description 25
- 229910001868 water Inorganic materials 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 14
- 239000007864 aqueous solution Substances 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- 238000005660 chlorination reaction Methods 0.000 description 13
- 239000005708 Sodium hypochlorite Substances 0.000 description 11
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 11
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 10
- 239000007787 solid Substances 0.000 description 9
- ABONIXOLZDCGIG-UHFFFAOYSA-N calcium;dihypochlorite;dihydrate Chemical compound O.O.[Ca+2].Cl[O-].Cl[O-] ABONIXOLZDCGIG-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- YALMXYPQBUJUME-UHFFFAOYSA-L calcium chlorate Chemical compound [Ca+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O YALMXYPQBUJUME-UHFFFAOYSA-L 0.000 description 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 150000004683 dihydrates Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 150000002506 iron compounds Chemical class 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical class [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000003112 potassium compounds Chemical class 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WMFHUUKYIUOHRA-UHFFFAOYSA-N (3-phenoxyphenyl)methanamine;hydrochloride Chemical compound Cl.NCC1=CC=CC(OC=2C=CC=CC=2)=C1 WMFHUUKYIUOHRA-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000272194 Ciconiiformes Species 0.000 description 1
- 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
- ARLZGEXVMUDUQZ-UHFFFAOYSA-N O.O.[Ca] Chemical compound O.O.[Ca] ARLZGEXVMUDUQZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 240000007313 Tilia cordata Species 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 235000010216 calcium carbonate Nutrition 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
- 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
- OSILKTNFXJYZTB-UHFFFAOYSA-L calcium;dichlorate;dihydrate Chemical compound O.O.[Ca+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O OSILKTNFXJYZTB-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011551 heat transfer agent Substances 0.000 description 1
- 150000004687 hexahydrates Chemical class 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 239000006166 lysate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000011160 magnesium carbonates Nutrition 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- SATVIFGJTRRDQU-UHFFFAOYSA-N potassium hypochlorite Chemical compound [K+].Cl[O-] SATVIFGJTRRDQU-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- 230000001052 transient effect 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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/352,747 US4367209A (en) | 1982-02-26 | 1982-02-26 | Calcium hypochlorite production from its dibasic salt |
| US352747 | 1982-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58151303A true JPS58151303A (ja) | 1983-09-08 |
| JPH0236524B2 JPH0236524B2 (enExample) | 1990-08-17 |
Family
ID=23386326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57202238A Granted JPS58151303A (ja) | 1982-02-26 | 1982-11-19 | 次亜塩素酸カルシウムの製法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4367209A (enExample) |
| JP (1) | JPS58151303A (enExample) |
| AU (1) | AU551586B2 (enExample) |
| BR (1) | BR8206609A (enExample) |
| CA (1) | CA1159227A (enExample) |
| ES (1) | ES517073A0 (enExample) |
| ZA (1) | ZA827998B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017052656A (ja) * | 2015-09-07 | 2017-03-16 | 東ソー株式会社 | 次亜塩素酸カルシウム組成物の製造方法 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060125B1 (en) * | 1981-03-09 | 1985-05-29 | Klipfontein Organic Products Corporation Limited | Production of calcium hypochlorite |
| DE3261806D1 (en) * | 1981-03-09 | 1985-02-21 | Klipfontein Organic Prod | Production of calcium hypochlorite |
| US4504457A (en) * | 1982-09-30 | 1985-03-12 | Olin Corporation | Continuous process for producing granular calcium hypochlorite particles |
| US4842841A (en) * | 1982-09-30 | 1989-06-27 | 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 |
| US4487751A (en) * | 1983-06-15 | 1984-12-11 | Olin Corporation | Process for calcium hypochlorite |
| FR2584384B1 (fr) * | 1985-07-05 | 1987-09-25 | Atochem | Procede discontinu de preparation, en deux etapes de chloration, d'hypochlorite neutre de calcium hydrate |
| FR2608145B1 (fr) * | 1986-12-15 | 1989-03-03 | Solvay | Procede de fabrication d'hypochlorite de calcium et produit obtenu par ce procede |
| CN1058943C (zh) * | 1997-05-04 | 2000-11-29 | 王振文 | 一种钙法生产漂白粉精的方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5444280A (en) * | 1977-09-14 | 1979-04-07 | Toshiba Corp | Method for producing rotary drum of centrifugal gas separator |
| JPS57245A (en) * | 1980-06-02 | 1982-01-05 | Toto Ltd | Toilet bowl with washing apparatus |
| JPS57244A (en) * | 1981-05-06 | 1982-01-05 | Toto Ltd | Washing tank apparatus of toilet bowl |
Family Cites Families (9)
| 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 |
| US1937230A (en) * | 1930-07-24 | 1933-11-28 | Ici Ltd | 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 |
| ZA707296B (en) * | 1970-10-27 | 1972-02-23 | Klipfontein Org Prod Corp Ltd | A process for the production of neutral calcium hypochlorite crystals |
| 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 |
| 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 |
-
1982
- 1982-02-26 US US06/352,747 patent/US4367209A/en not_active Expired - Lifetime
- 1982-10-14 CA CA000413467A patent/CA1159227A/en not_active Expired
- 1982-10-29 AU AU90007/82A patent/AU551586B2/en not_active Ceased
- 1982-11-02 ZA ZA827998A patent/ZA827998B/xx unknown
- 1982-11-03 ES ES517073A patent/ES517073A0/es active Granted
- 1982-11-16 BR BR8206609A patent/BR8206609A/pt not_active IP Right Cessation
- 1982-11-19 JP JP57202238A patent/JPS58151303A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5444280A (en) * | 1977-09-14 | 1979-04-07 | Toshiba Corp | Method for producing rotary drum of centrifugal gas separator |
| JPS57245A (en) * | 1980-06-02 | 1982-01-05 | Toto Ltd | Toilet bowl with washing apparatus |
| JPS57244A (en) * | 1981-05-06 | 1982-01-05 | Toto Ltd | Washing tank apparatus of toilet bowl |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017052656A (ja) * | 2015-09-07 | 2017-03-16 | 東ソー株式会社 | 次亜塩素酸カルシウム組成物の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES8401422A1 (es) | 1983-12-01 |
| ZA827998B (en) | 1983-08-31 |
| AU9000782A (en) | 1983-09-01 |
| CA1159227A (en) | 1983-12-27 |
| AU551586B2 (en) | 1986-05-08 |
| ES517073A0 (es) | 1983-12-01 |
| BR8206609A (pt) | 1983-10-04 |
| US4367209A (en) | 1983-01-04 |
| JPH0236524B2 (enExample) | 1990-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6143260A (en) | Method for removing magnesium from brine to yield lithium carbonate | |
| US3895099A (en) | Process for manufacture of calcium hydrochlorite | |
| CN102602965A (zh) | 从含锂卤水中直接制备高纯度锂化合物的方法 | |
| US4747917A (en) | Scale-free process for purifying concentrated alkali metal halide brines containing sulfate ions as an impurity | |
| JPS58151303A (ja) | 次亜塩素酸カルシウムの製法 | |
| EP2435367B1 (en) | Method of producing naturally purified salt products | |
| CS212744B2 (en) | Method of preparing calcium hypochlorite | |
| US4380533A (en) | Process for the production of dibasic magnesium hypochlorite | |
| CA1188482A (en) | Continuous process for the manufacture of calcium hypochlorite | |
| US3954948A (en) | Process for manufacture of calcium hypochlorite | |
| JPH0624739A (ja) | 硫酸塩の分離方法 | |
| NO841402L (no) | Fremgangsmaate for fremstilling av zeolitt a | |
| US4390512A (en) | Process for producing calcium hypochlorite | |
| US2758912A (en) | Process for producing a substantially sulfate-free and potassium-free magnesium chloride solution | |
| RU2627431C1 (ru) | Способ получения фторида кальция из фторуглеродсодержащих отходов алюминиевого производства | |
| EP0086914B1 (en) | An improved process for calcium hypochlorite production | |
| US2863809A (en) | Process for concentration of caustic cell liquor | |
| US4399117A (en) | Production of neutral calcium hypochlorite from its dibasic salt | |
| US4487751A (en) | Process for calcium hypochlorite | |
| JPH0234881B2 (enExample) | ||
| US3597154A (en) | Recovery and purification of copper sulfate | |
| RU2223223C1 (ru) | Способ получения карбоната стронция | |
| JPS60141605A (ja) | 副生母液量を調整し得る高度晒粉の製法 | |
| JPS5921522A (ja) | 高純度塩化カルシウム水溶液の製造方法 | |
| HU190913B (en) | Process for production of water-free aluminium chlorid derivated from acid disclosure of aluminium chlorid hexahydrate |