DE2457144C2 - Verfahren zur Herstellung von Calciumhypochlorit-Granulat mit einer glatten abgerundeten Oberfläche - Google Patents
Verfahren zur Herstellung von Calciumhypochlorit-Granulat mit einer glatten abgerundeten OberflächeInfo
- Publication number
- DE2457144C2 DE2457144C2 DE19742457144 DE2457144A DE2457144C2 DE 2457144 C2 DE2457144 C2 DE 2457144C2 DE 19742457144 DE19742457144 DE 19742457144 DE 2457144 A DE2457144 A DE 2457144A DE 2457144 C2 DE2457144 C2 DE 2457144C2
- Authority
- DE
- Germany
- Prior art keywords
- calcium hypochlorite
- particles
- slurry
- fluidized bed
- water
- 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 description 155
- 239000008187 granular material Substances 0.000 title claims description 53
- 238000000034 method Methods 0.000 title claims description 45
- 230000008569 process Effects 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000002245 particle Substances 0.000 claims description 142
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 88
- 239000002002 slurry Substances 0.000 claims description 76
- 239000007787 solid Substances 0.000 claims description 44
- 238000009826 distribution Methods 0.000 claims description 36
- 238000001035 drying Methods 0.000 claims description 24
- 239000000126 substance Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 229910001919 chlorite Inorganic materials 0.000 claims 1
- 229910052619 chlorite group Inorganic materials 0.000 claims 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 claims 1
- 239000007921 spray Substances 0.000 description 66
- 239000000047 product Substances 0.000 description 58
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 33
- 239000000460 chlorine Substances 0.000 description 33
- 229910052801 chlorine Inorganic materials 0.000 description 33
- 239000000428 dust Substances 0.000 description 31
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 24
- 239000007789 gas Substances 0.000 description 20
- 239000012065 filter cake Substances 0.000 description 15
- 230000036571 hydration Effects 0.000 description 10
- 238000006703 hydration reaction Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 238000000354 decomposition reaction Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 230000001788 irregular Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229920002125 Sokalan® Polymers 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- -1 alkaline earth metal salts Chemical class 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000004584 polyacrylic acid Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- ABONIXOLZDCGIG-UHFFFAOYSA-N calcium;dihypochlorite;dihydrate Chemical compound O.O.[Ca+2].Cl[O-].Cl[O-] ABONIXOLZDCGIG-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 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
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 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
- 159000000007 calcium salts Chemical class 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical group [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- XPTCDNRQXYTORI-UHFFFAOYSA-K calcium;sodium;carbonate;chloride Chemical compound [Na+].[Cl-].[Ca+2].[O-]C([O-])=O XPTCDNRQXYTORI-UHFFFAOYSA-K 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000007771 core particle Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical group ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001502 inorganic halide Inorganic materials 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 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
- C01B11/068—Stabilisation by additives other than oxides, hydroxides, carbonates of alkali or alkaline-earth metals; Coating of particles; Shaping; Granulation
-
- 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
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Glanulating (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52141774A | 1974-11-06 | 1974-11-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2457144A1 DE2457144A1 (de) | 1976-05-13 |
| DE2457144C2 true DE2457144C2 (de) | 1981-12-10 |
Family
ID=24076650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742457144 Expired DE2457144C2 (de) | 1974-11-06 | 1974-12-03 | Verfahren zur Herstellung von Calciumhypochlorit-Granulat mit einer glatten abgerundeten Oberfläche |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5154097A (enExample) |
| BE (1) | BE835001A (enExample) |
| CA (1) | CA1048868A (enExample) |
| DE (1) | DE2457144C2 (enExample) |
| ES (1) | ES432621A1 (enExample) |
| FR (1) | FR2290394A1 (enExample) |
| IT (1) | IT1032154B (enExample) |
| NL (1) | NL175513C (enExample) |
| YU (1) | YU30075A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1067763A (en) * | 1975-01-30 | 1979-12-11 | Walter C. Saeman | Granular calcium hypochlorite coated with an alkaline earth metal hypochlorite by spray graining |
| JPS5742589A (en) * | 1980-08-23 | 1982-03-10 | Denpatsu Fly Ash | Dry granulation for manufacture of potassium silicate fertilizer |
| US8252200B2 (en) * | 2005-12-01 | 2012-08-28 | Arch Chemicals, Inc. | Coated calcium hypochlorite composition |
| JP5643962B2 (ja) * | 2009-12-07 | 2014-12-24 | 日本曹達株式会社 | 錠剤の製造方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3036013A (en) * | 1959-02-16 | 1962-05-22 | Olin Mathieson | Coated calcium hypochlorite and process for making same |
| CA975531A (en) * | 1971-06-07 | 1975-10-07 | John P. Faust | High test calcium hypochlorite |
-
1974
- 1974-12-03 DE DE19742457144 patent/DE2457144C2/de not_active Expired
- 1974-12-05 CA CA74215289A patent/CA1048868A/en not_active Expired
- 1974-12-05 ES ES432621A patent/ES432621A1/es not_active Expired
- 1974-12-05 IT IT5438474A patent/IT1032154B/it active
- 1974-12-26 JP JP196775A patent/JPS5154097A/ja active Granted
- 1974-12-27 FR FR7443181A patent/FR2290394A1/fr active Granted
-
1975
- 1975-02-11 YU YU30075A patent/YU30075A/xx unknown
- 1975-10-29 BE BE161366A patent/BE835001A/xx not_active IP Right Cessation
- 1975-11-05 NL NL7512952A patent/NL175513C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL175513C (nl) | 1984-11-16 |
| JPS5418999B2 (enExample) | 1979-07-11 |
| ES432621A1 (es) | 1977-02-16 |
| FR2290394A1 (fr) | 1976-06-04 |
| CA1048868A (en) | 1979-02-20 |
| FR2290394B1 (enExample) | 1978-05-05 |
| AU7583574A (en) | 1976-06-03 |
| IT1032154B (it) | 1979-05-30 |
| DE2457144A1 (de) | 1976-05-13 |
| NL175513B (nl) | 1984-06-18 |
| JPS5154097A (en) | 1976-05-12 |
| BE835001A (fr) | 1976-04-29 |
| NL7512952A (nl) | 1976-05-10 |
| YU30075A (en) | 1982-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OI | Miscellaneous see part 1 | ||
| D2 | Grant after examination | ||
| AG | Has addition no. |
Ref country code: DE Ref document number: 2603401 Format of ref document f/p: P |
|
| 8339 | Ceased/non-payment of the annual fee |