DE2603401C2 - Verfahren zur Herstellung von Calciumhypochlorid-Granulat mit einer glatten abgerundeten Oberfläche - Google Patents
Verfahren zur Herstellung von Calciumhypochlorid-Granulat mit einer glatten abgerundeten OberflächeInfo
- Publication number
- DE2603401C2 DE2603401C2 DE2603401A DE2603401A DE2603401C2 DE 2603401 C2 DE2603401 C2 DE 2603401C2 DE 2603401 A DE2603401 A DE 2603401A DE 2603401 A DE2603401 A DE 2603401A DE 2603401 C2 DE2603401 C2 DE 2603401C2
- Authority
- DE
- Germany
- Prior art keywords
- particles
- calcium hypochlorite
- hypochlorite
- bed
- fluidized bed
- 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 94
- 239000008187 granular material Substances 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000002245 particle Substances 0.000 claims description 103
- 239000002002 slurry Substances 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000007787 solid Substances 0.000 claims description 37
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 27
- 238000009826 distribution Methods 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 description 38
- 239000000047 product Substances 0.000 description 29
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 27
- 239000000460 chlorine Substances 0.000 description 27
- 229910052801 chlorine Inorganic materials 0.000 description 27
- 239000000428 dust Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 12
- 239000010410 layer Substances 0.000 description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 238000001035 drying Methods 0.000 description 8
- 239000012065 filter cake Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- -1 alkaline earth metal hypochlorite Chemical class 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 6
- 230000036571 hydration Effects 0.000 description 6
- 238000006703 hydration reaction Methods 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 229920002125 Sokalan® Polymers 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229910017053 inorganic salt Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000004584 polyacrylic acid Substances 0.000 description 3
- 238000003860 storage 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
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- HPEWZLCIOKVLBZ-UHFFFAOYSA-N barium hypochlorite Chemical compound [Ba+2].Cl[O-].Cl[O-] HPEWZLCIOKVLBZ-UHFFFAOYSA-N 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- YZQBYALVHAANGI-UHFFFAOYSA-N magnesium;dihypochlorite Chemical compound [Mg+2].Cl[O-].Cl[O-] YZQBYALVHAANGI-UHFFFAOYSA-N 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- DFKCZMNZBDPBGG-UHFFFAOYSA-N strontium dihypochlorite Chemical compound [Sr++].[O-]Cl.[O-]Cl DFKCZMNZBDPBGG-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer 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
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000234282 Allium Species 0.000 description 1
- 235000002732 Allium cepa var. cepa Nutrition 0.000 description 1
- 101001034845 Mus musculus Interferon-induced transmembrane protein 3 Proteins 0.000 description 1
- 241001648341 Orites Species 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000006227 byproduct Substances 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
- 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
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000007771 core particle Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical group ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- 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
- B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
-
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/04—Making microcapsules or microballoons by physical processes, e.g. drying, spraying
- B01J13/043—Drying and spraying
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Glanulating (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54545375A | 1975-01-30 | 1975-01-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2603401A1 DE2603401A1 (de) | 1976-08-05 |
| DE2603401C2 true DE2603401C2 (de) | 1983-01-20 |
Family
ID=24176320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2603401A Expired DE2603401C2 (de) | 1975-01-30 | 1976-01-29 | Verfahren zur Herstellung von Calciumhypochlorid-Granulat mit einer glatten abgerundeten Oberfläche |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS51100992A (forum.php) |
| AU (1) | AU506952B2 (forum.php) |
| BR (1) | BR7600297A (forum.php) |
| CA (1) | CA1067763A (forum.php) |
| DE (1) | DE2603401C2 (forum.php) |
| ES (1) | ES444413A1 (forum.php) |
| GB (1) | GB1539781A (forum.php) |
| IT (1) | IT1053280B (forum.php) |
| MX (1) | MX3560E (forum.php) |
| NL (1) | NL168144C (forum.php) |
| SU (1) | SU685136A3 (forum.php) |
| YU (1) | YU16976A (forum.php) |
| ZA (1) | ZA757989B (forum.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4747978A (en) * | 1986-08-07 | 1988-05-31 | Ppg Industries, Inc. | Calcium hypochlorite compositions |
| US8252200B2 (en) * | 2005-12-01 | 2012-08-28 | Arch Chemicals, Inc. | Coated calcium hypochlorite composition |
| NL2002666C2 (en) * | 2009-03-25 | 2010-09-28 | Univ Delft Tech | Process and apparatus for producing coated particles. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA975531A (en) * | 1971-06-07 | 1975-10-07 | John P. Faust | High test calcium hypochlorite |
| DE2457144C2 (de) * | 1974-11-06 | 1981-12-10 | Olin Corp., 06511 New Haven, Conn. | Verfahren zur Herstellung von Calciumhypochlorit-Granulat mit einer glatten abgerundeten Oberfläche |
-
1975
- 1975-12-19 CA CA242,150A patent/CA1067763A/en not_active Expired
- 1975-12-23 ZA ZA757989A patent/ZA757989B/xx unknown
-
1976
- 1976-01-02 IT IT47511/76A patent/IT1053280B/it active
- 1976-01-06 MX MX762850U patent/MX3560E/es unknown
- 1976-01-17 ES ES444413A patent/ES444413A1/es not_active Expired
- 1976-01-19 BR BR7600297A patent/BR7600297A/pt unknown
- 1976-01-20 YU YU00169/76A patent/YU16976A/xx unknown
- 1976-01-21 AU AU10452/76A patent/AU506952B2/en not_active Expired
- 1976-01-23 GB GB2690/76A patent/GB1539781A/en not_active Expired
- 1976-01-29 JP JP51008849A patent/JPS51100992A/ja active Pending
- 1976-01-29 NL NLAANVRAGE7600898,A patent/NL168144C/xx not_active IP Right Cessation
- 1976-01-29 DE DE2603401A patent/DE2603401C2/de not_active Expired
- 1976-01-30 SU SU762317507A patent/SU685136A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| AU1045276A (en) | 1977-07-28 |
| ZA757989B (en) | 1977-08-31 |
| NL168144B (nl) | 1981-10-16 |
| CA1067763A (en) | 1979-12-11 |
| GB1539781A (en) | 1979-02-07 |
| YU16976A (en) | 1982-05-31 |
| JPS51100992A (forum.php) | 1976-09-06 |
| NL168144C (nl) | 1982-03-16 |
| MX3560E (es) | 1981-03-10 |
| NL7600898A (nl) | 1976-08-03 |
| ES444413A1 (es) | 1977-05-16 |
| BR7600297A (pt) | 1976-08-31 |
| SU685136A3 (ru) | 1979-09-05 |
| AU506952B2 (en) | 1980-01-31 |
| IT1053280B (it) | 1981-08-31 |
| DE2603401A1 (de) | 1976-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OI | Miscellaneous see part 1 | ||
| AF | Is addition to no. |
Ref country code: DE Ref document number: 2457144 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: JUNG, E., DIPL.-CHEM. DR.PHIL. SCHIRDEWAHN, J., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN |
|
| 8340 | Patent of addition ceased/non-payment of fee of main patent |