DE2733935A1 - Verfahren zur herstellung von natriumpercarbonatkoernchen und die dabei erhaltenen koernchen - Google Patents
Verfahren zur herstellung von natriumpercarbonatkoernchen und die dabei erhaltenen koernchenInfo
- Publication number
- DE2733935A1 DE2733935A1 DE19772733935 DE2733935A DE2733935A1 DE 2733935 A1 DE2733935 A1 DE 2733935A1 DE 19772733935 DE19772733935 DE 19772733935 DE 2733935 A DE2733935 A DE 2733935A DE 2733935 A1 DE2733935 A1 DE 2733935A1
- Authority
- DE
- Germany
- Prior art keywords
- fluidized bed
- granules
- phosphate
- sodium percarbonate
- sodium
- 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
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical group [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 title claims description 64
- 238000000034 method Methods 0.000 title claims description 45
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 229940045872 sodium percarbonate Drugs 0.000 claims description 63
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 60
- 239000008187 granular material Substances 0.000 claims description 59
- 239000000243 solution Substances 0.000 claims description 58
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 39
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 30
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 229910019142 PO4 Inorganic materials 0.000 claims description 23
- 244000052616 bacterial pathogen Species 0.000 claims description 23
- 239000010452 phosphate Substances 0.000 claims description 19
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 18
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 15
- 239000008346 aqueous phase Substances 0.000 claims description 14
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 14
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 11
- 238000005470 impregnation Methods 0.000 claims description 9
- 150000001340 alkali metals Chemical class 0.000 claims description 7
- 125000005341 metaphosphate group Chemical group 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000004254 Ammonium phosphate Substances 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 229910000318 alkali metal phosphate Inorganic materials 0.000 claims description 3
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 3
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 229940005740 hexametaphosphate Drugs 0.000 claims 1
- 239000003570 air Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 16
- 239000000047 product Substances 0.000 description 14
- 235000021317 phosphate Nutrition 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000011734 sodium Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000000227 grinding Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 5
- 239000004115 Sodium Silicate Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000003599 detergent Substances 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- 229910052911 sodium silicate Inorganic materials 0.000 description 4
- -1 Hate peroxide Chemical class 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group 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 3
- 238000005299 abrasion Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 2
- XSVSPKKXQGNHMD-UHFFFAOYSA-N 5-bromo-3-methyl-1,2-thiazole Chemical compound CC=1C=C(Br)SN=1 XSVSPKKXQGNHMD-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical class [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 150000001923 cyclic compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000019820 disodium diphosphate Nutrition 0.000 description 1
- GYQBBRRVRKFJRG-UHFFFAOYSA-L disodium pyrophosphate Chemical compound [Na+].[Na+].OP([O-])(=O)OP(O)([O-])=O GYQBBRRVRKFJRG-UHFFFAOYSA-L 0.000 description 1
- 229940038485 disodium pyrophosphate Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 239000012418 sodium perborate tetrahydrate Substances 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- UGTZMIPZNRIWHX-UHFFFAOYSA-K sodium trimetaphosphate Chemical compound [Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 UGTZMIPZNRIWHX-UHFFFAOYSA-K 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- IBDSNZLUHYKHQP-UHFFFAOYSA-N sodium;3-oxidodioxaborirane;tetrahydrate Chemical compound O.O.O.O.[Na+].[O-]B1OO1 IBDSNZLUHYKHQP-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- UDEJEOLNSNYQSX-UHFFFAOYSA-J tetrasodium;2,4,6,8-tetraoxido-1,3,5,7,2$l^{5},4$l^{5},6$l^{5},8$l^{5}-tetraoxatetraphosphocane 2,4,6,8-tetraoxide Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])(=O)O1 UDEJEOLNSNYQSX-UHFFFAOYSA-J 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical class [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3942—Inorganic per-compounds
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
- C01B15/10—Peroxyhydrates; Peroxyacids or salts thereof containing carbon
- C01B15/106—Stabilisation of the solid compounds, subsequent to the preparation or to the crystallisation, by additives or by coating
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU75466A LU75466A1 (enrdf_load_stackoverflow) | 1976-07-27 | 1976-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2733935A1 true DE2733935A1 (de) | 1978-02-02 |
| DE2733935C2 DE2733935C2 (enrdf_load_stackoverflow) | 1988-02-11 |
Family
ID=19728308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772733935 Granted DE2733935A1 (de) | 1976-07-27 | 1977-07-27 | Verfahren zur herstellung von natriumpercarbonatkoernchen und die dabei erhaltenen koernchen |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE857017A (enrdf_load_stackoverflow) |
| DE (1) | DE2733935A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2359789A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1581465A (enrdf_load_stackoverflow) |
| IT (1) | IT1085593B (enrdf_load_stackoverflow) |
| LU (1) | LU75466A1 (enrdf_load_stackoverflow) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0024201A1 (en) * | 1979-08-15 | 1981-02-25 | The Clorox Company | Stabilized alkali metal percarbonate bleach compositions and process for manufacture thereof |
| US4410444A (en) | 1981-03-24 | 1983-10-18 | Degussa Aktiengesellschaft | Process for the production of a stable per salt |
| AT391121B (de) * | 1985-11-15 | 1990-08-27 | Gnii Khim T Elemento Organ | Verfahren zur herstellung von granuliertem stabilisiertem natriumperkarbonat |
| EP0654440A1 (de) * | 1993-11-10 | 1995-05-24 | Degussa Aktiengesellschaft | Verfahren zur Herstellung von abriebfestem Natriumpercarbonat mit hoher Lösegeschwindigkeit |
| US5560896A (en) * | 1993-08-31 | 1996-10-01 | Degussa Aktiengesellschaft | Method for producing granulated sodium percarbonate |
| EP0787682A1 (de) | 1996-02-05 | 1997-08-06 | Glatt Ingenieurtechnik GmbH | Verfahren zur Herstellung von Natriumpercarbonat in Granulatform |
| US5902682A (en) * | 1993-07-17 | 1999-05-11 | Degussa Aktiengesellschaft | Coated sodium percarbonate particles, a process for their preparation and their use |
| US5935708A (en) * | 1995-11-28 | 1999-08-10 | Degussa Aktiengesellschaft | Coated sodium percarbonate particles, process for the production thereof and use thereof |
| WO2002026623A1 (de) * | 2000-09-29 | 2002-04-04 | Degussa Ag | Natriumpercarbonat-wirbelschichtgranulat und verfahren zu seiner herstellung |
| US7241433B2 (en) | 2001-08-21 | 2007-07-10 | Degussa Gmbh | Process for the preparation of coated granular sodium percarbonate, and product obtainable by the process |
| EP2361964A1 (en) | 2010-02-25 | 2011-08-31 | The Procter & Gamble Company | Detergent composition |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2700797C3 (de) * | 1977-01-11 | 1984-08-09 | Peroxid-Chemie GmbH, 8023 Höllriegelskreuth | Verfahren zur Herstellung von Granulaten aus Persalzen und Phosphaten |
| DE4329205C2 (de) * | 1993-08-31 | 1996-05-23 | Degussa | Verfahren zur Herstellung von granulatförmigem Natriumpercarbonat |
| NZ332570A (en) * | 1996-03-27 | 1998-12-23 | Solvay Interox Sa | Compositions containing sodium percarbonate having a mean particle size of 500 to 1000 microns that have a moisture pick up when measured in a test at 80% humidity and 32c after 24 hours of not greater than 30g/1000g sample |
| DE19704634A1 (de) | 1997-02-07 | 1998-08-27 | Henkel Kgaa | pH-gesteuerte Freisetzung von Waschmittelkomponenten |
| RU2164215C1 (ru) * | 1999-11-29 | 2001-03-20 | Открытое акционерное общество "Химпром" | Способ получения гранулированного перкарбоната натрия и устройство для его осуществления |
| RU2271859C1 (ru) * | 2004-08-06 | 2006-03-20 | Юрий Яковлевич Гайтанов | Непрерывный способ получения гранулированного перкарбоната натрия со стабилизирующим покрытием и устройство для осуществления способа |
| RU2275234C1 (ru) * | 2004-08-24 | 2006-04-27 | Юрий Яковлевич Гайтанов | Способ получения гранулированного перкарбоната натрия и установка для осуществления способа |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1957825A1 (de) * | 1968-11-20 | 1970-06-11 | Solvay | Verfahren zur Herstellung von Natriumpercarbonat von geringem scheinbaren spezifischen Gewicht |
| DE2060971A1 (de) * | 1970-01-14 | 1971-07-15 | Solvay | Verfahren zur Herstellung von Natriumpercarbonat |
| DE2328803A1 (de) * | 1973-06-06 | 1975-01-09 | Peroxid Chemie Gmbh | Verfahren zur herstellung eines abriebfesten, grobkoernigen natriumpercarbonats |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH556302A (de) * | 1968-08-13 | 1974-11-29 | Degussa | Verfahren zur herstellung von alkalimetall-perboraten oder -percarbonaten nach dem spruehtrocknungsverfahren. |
| GB1312514A (en) * | 1970-07-06 | 1973-04-04 | Laporte Industries Ltd | Process for the preparation of peroxygen compounds |
| BE790351A (fr) * | 1971-11-15 | 1973-04-20 | Solvay | Procede de fabrication de percarbonate de sodium |
-
1976
- 1976-07-27 LU LU75466A patent/LU75466A1/xx unknown
-
1977
- 1977-07-21 FR FR7722852A patent/FR2359789A1/fr active Granted
- 1977-07-22 BE BE1008284A patent/BE857017A/xx not_active IP Right Cessation
- 1977-07-27 IT IT2620377A patent/IT1085593B/it active
- 1977-07-27 DE DE19772733935 patent/DE2733935A1/de active Granted
- 1977-07-27 GB GB3149477A patent/GB1581465A/en not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1957825A1 (de) * | 1968-11-20 | 1970-06-11 | Solvay | Verfahren zur Herstellung von Natriumpercarbonat von geringem scheinbaren spezifischen Gewicht |
| DE2060971A1 (de) * | 1970-01-14 | 1971-07-15 | Solvay | Verfahren zur Herstellung von Natriumpercarbonat |
| DE2328803A1 (de) * | 1973-06-06 | 1975-01-09 | Peroxid Chemie Gmbh | Verfahren zur herstellung eines abriebfesten, grobkoernigen natriumpercarbonats |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0024201A1 (en) * | 1979-08-15 | 1981-02-25 | The Clorox Company | Stabilized alkali metal percarbonate bleach compositions and process for manufacture thereof |
| US4410444A (en) | 1981-03-24 | 1983-10-18 | Degussa Aktiengesellschaft | Process for the production of a stable per salt |
| AT391121B (de) * | 1985-11-15 | 1990-08-27 | Gnii Khim T Elemento Organ | Verfahren zur herstellung von granuliertem stabilisiertem natriumperkarbonat |
| US5902682A (en) * | 1993-07-17 | 1999-05-11 | Degussa Aktiengesellschaft | Coated sodium percarbonate particles, a process for their preparation and their use |
| US5560896A (en) * | 1993-08-31 | 1996-10-01 | Degussa Aktiengesellschaft | Method for producing granulated sodium percarbonate |
| EP0654440A1 (de) * | 1993-11-10 | 1995-05-24 | Degussa Aktiengesellschaft | Verfahren zur Herstellung von abriebfestem Natriumpercarbonat mit hoher Lösegeschwindigkeit |
| US5935708A (en) * | 1995-11-28 | 1999-08-10 | Degussa Aktiengesellschaft | Coated sodium percarbonate particles, process for the production thereof and use thereof |
| EP0787682A1 (de) | 1996-02-05 | 1997-08-06 | Glatt Ingenieurtechnik GmbH | Verfahren zur Herstellung von Natriumpercarbonat in Granulatform |
| WO2002026623A1 (de) * | 2000-09-29 | 2002-04-04 | Degussa Ag | Natriumpercarbonat-wirbelschichtgranulat und verfahren zu seiner herstellung |
| US7041267B2 (en) | 2000-09-29 | 2006-05-09 | Degussa Ag | Granular sodium carbonate obtained by fluid-bed spray granulation and a process for its production |
| US7241433B2 (en) | 2001-08-21 | 2007-07-10 | Degussa Gmbh | Process for the preparation of coated granular sodium percarbonate, and product obtainable by the process |
| EP2361964A1 (en) | 2010-02-25 | 2011-08-31 | The Procter & Gamble Company | Detergent composition |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2733935C2 (enrdf_load_stackoverflow) | 1988-02-11 |
| FR2359789A1 (fr) | 1978-02-24 |
| FR2359789B1 (enrdf_load_stackoverflow) | 1982-09-17 |
| GB1581465A (en) | 1980-12-17 |
| IT1085593B (it) | 1985-05-28 |
| BE857017A (fr) | 1978-01-23 |
| LU75466A1 (enrdf_load_stackoverflow) | 1978-02-08 |
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