WO1997025406A1 - Verfahren zur herstellung von granularen wasch- oder reinigungsmitteln bzw. komponenten hierfür - Google Patents
Verfahren zur herstellung von granularen wasch- oder reinigungsmitteln bzw. komponenten hierfür Download PDFInfo
- Publication number
- WO1997025406A1 WO1997025406A1 PCT/EP1996/005782 EP9605782W WO9725406A1 WO 1997025406 A1 WO1997025406 A1 WO 1997025406A1 EP 9605782 W EP9605782 W EP 9605782W WO 9725406 A1 WO9725406 A1 WO 9725406A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- granulated
- components
- weight
- solids
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000012459 cleaning agent Substances 0.000 title claims abstract description 15
- 238000005406 washing Methods 0.000 title abstract description 8
- 238000002360 preparation method Methods 0.000 title abstract description 3
- 239000000470 constituent Substances 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 238000011065 in-situ storage Methods 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 31
- 238000005469 granulation Methods 0.000 claims description 21
- 230000003179 granulation Effects 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 20
- 239000003599 detergent Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000002736 nonionic surfactant Substances 0.000 claims description 6
- 239000003112 inhibitor Substances 0.000 claims description 4
- 239000000306 component Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 239000002304 perfume Substances 0.000 claims description 2
- 238000005029 sieve analysis Methods 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 239000003608 nonionic fabric softener Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 7
- 239000008187 granular material Substances 0.000 abstract description 7
- 239000012752 auxiliary agent Substances 0.000 abstract 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 23
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 23
- 239000000047 product Substances 0.000 description 16
- 238000001228 spectrum Methods 0.000 description 14
- 238000002156 mixing Methods 0.000 description 12
- 239000000428 dust Substances 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- 150000002191 fatty alcohols Chemical class 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 150000008051 alkyl sulfates Chemical class 0.000 description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- -1 tungsten carbides Chemical class 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- 239000003945 anionic surfactant Substances 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 4
- 239000010457 zeolite Substances 0.000 description 4
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 3
- 239000007844 bleaching agent Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000009479 steam granulation Methods 0.000 description 3
- 239000003760 tallow Substances 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical class OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 229960001922 sodium perborate Drugs 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 235000019832 sodium triphosphate Nutrition 0.000 description 2
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- FRPJTGXMTIIFIT-UHFFFAOYSA-N tetraacetylethylenediamine Chemical compound CC(=O)C(N)(C(C)=O)C(N)(C(C)=O)C(C)=O FRPJTGXMTIIFIT-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N 1-Tetradecanol Natural products CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- 235000014748 Amaranthus tricolor Nutrition 0.000 description 1
- 244000024893 Amaranthus tricolor Species 0.000 description 1
- DHMQDGOQFOQNFH-UHFFFAOYSA-M Aminoacetate Chemical compound NCC([O-])=O DHMQDGOQFOQNFH-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- 229910000503 Na-aluminosilicate Inorganic materials 0.000 description 1
- 239000004435 Oxo alcohol Substances 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 235000010725 Vigna aconitifolia Nutrition 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229920002988 biodegradable polymer Polymers 0.000 description 1
- 239000004621 biodegradable polymer Substances 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229960000541 cetyl alcohol Drugs 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002003 electron diffraction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000007046 ethoxylation reaction Methods 0.000 description 1
- 239000002979 fabric softener Substances 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229940043348 myristyl alcohol Drugs 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- BXWNKGSJHAJOGX-UHFFFAOYSA-N n-hexadecyl alcohol Natural products CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- WSHYKIAQCMIPTB-UHFFFAOYSA-M potassium;2-oxo-3-(3-oxo-1-phenylbutyl)chromen-4-olate Chemical compound [K+].[O-]C=1C2=CC=CC=C2OC(=O)C=1C(CC(=O)C)C1=CC=CC=C1 WSHYKIAQCMIPTB-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229940083542 sodium Drugs 0.000 description 1
- 239000000429 sodium aluminium silicate Substances 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- LNDCCSBWZAQAAW-UHFFFAOYSA-M sodium hydrogen sulfate sulfuric acid Chemical compound [Na+].OS(O)(=O)=O.OS([O-])(=O)=O LNDCCSBWZAQAAW-UHFFFAOYSA-M 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229940012831 stearyl alcohol Drugs 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical group OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 125000004417 unsaturated alkyl group Chemical group 0.000 description 1
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 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
-
- 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
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
-
- 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
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
- C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
Definitions
- the invention relates to a process for the production of granular detergents or cleaning agents or components therefor in a mixer which is used as a granulator, with the aid of a granulating aid.
- European patent application 0 264 049 relates to a process for the production of granules by built-up granulation in compulsory mixers and subsequent drying in a fluidized bed, which is characterized in that the pulverulent material to be granulated, optionally formed with customary auxiliaries, is used with a granulating liquid, preferably water, granulated in a high-speed mixing granulator, the product obtained is fed directly to a slow-running mixing granulator for subsequent granulation and then dried in a fluidized bed dryer with simultaneous spraying with a forming aid, preferably a liquid containing binder.
- a forming aid preferably a liquid containing binder
- a granular detergent composition or its component which is characterized in that it has a bulk density of at least 650 g / l and 17 to 35 wt .-% of a non-soap surfactant, which at least partially an anionic surfactant, contains 28 to 45% by weight (based on dry substance) of a crystalline or amorphous sodium aluminosilicate, the weight ratio of the aluminosilicate to the surfactant being 0.9: 1 to 2.6: 1 and optionally further surfactant components up to 100 % By weight are present.
- This composition is obtained by subjecting the aforesaid surfactant and the aforesaid aluminosilicate in a high-speed mixer / granulator to both stirring and cutting movements in the presence of a liquid binder, but in the absence of particulate agents to improve the surface properties, with granulation and increase the surface density is brought to at least 650 g / l.
- EP-A-0 352 135 relates to a process for the preparation of a granular detergent composition or its components which has a bulk density of at least 650 g / l, this process providing for the neutralization of a liquid acid precursor of an anionic surfactant with a solid water-soluble alkaline inorganic material, which is characterized in that the particulate, solid, water-soluble, alkaline, inorganic material is first fluidized with an excess amount which would be necessary for neutralization, optionally with the admixture of at least one other particulate solid using a high-speed mixer with a stirring and cutting function, a gradual addition of an acid precursor to the high speed mixer / granulator, the temperature not rising above 55 ° C and neutralization of the acid precursor with the water-soluble, alkaline, inorganic substance takes place while the mixture remains particulate, followed by granulation of the mixture in a high-speed mixer / granulator in the presence of a liquid binder.
- EP-A-0 526 978 relates to a production process for alkali metal silicate granules, in which a solution containing 30 to 53% by weight of alkali metal silicate with an SiO 2 : M 2 O molecular ratio of 1.5: 1 to 3.3: 1 is added
- Granules are implemented which have an average particle diameter in the range of 0.2 to 2 mm in a single drying and granulation step, the silicate solution being introduced into a drum having a plurality of rotating arms at temperatures of 150 ° C. to 200 ° C. and wherein a gas, preferably gaseous air, is added to the drum at a temperature of about 175 ° C to 250 ° C at 175 ° C to 250 ° C.
- Granulation in a mixer / granulator even in the presence of liquid binders, in particular in the presence of nonionic surfactants, water or aqueous solutions and gas, is therefore known.
- This object is achieved in that water is used in the gaseous state in a special amount as the granulating aid.
- the present invention thus relates to a process for the production of granular detergents or cleaning agents or components therefor in a mixer with the aid of a granulating aid, which is characterized in that water is used in the gaseous state as the granulating aid, which is applied to at least some of the granules to be granulated Components generates liquid water in situ, the water content taken up 0.1 to 2% by weight, preferably 0.1 to 1.0% by weight, particularly preferably 0.1 to 0.4% by weight, based on the agent to be granulated is.
- Water in the gaseous state in the sense of the present invention is preferably understood to mean water with temperatures between approximately 140 ° C., corresponding to approximately 4 bar, to 180 ° C., corresponding to approximately 10 bar.
- Any mixing or granulating device which makes it possible to feed gaseous water into the granulating mixture is suitable for the purposes of the invention.
- Mixers for dry and moist bulk goods are initially suitable here. These are ring layer mixers of the type K-TT.
- An essential feature of this type of mixer are the wear protection made of tungsten carbides and / or hard metal, the use of a centrifugal spray effect and / or two-component spraying as well as an automatic control system that provides constant results for special pelletizing tasks.
- Further suitable mixers are sold by the machine factory Gustav Eirich, Hardheim.
- Further suitable mixers which can be used according to the invention are the multi-flow fluid mixers sold by Gericke, Rielasingen, which require very short mixing times. Such mixers work with a Froude index of ⁇ 1.
- mixers are rapid mixers or multi-flow fluid mixers.
- Other known mixer types are from Zeppelin-Metallwerken GmbH, Friedrichshafen. Chem.-Ing.-Tech provides an overview of such mixers to be used according to the invention. 60 (1988) No. 12, pages 986 to 994.
- the Froude number indicates the ratio of the centrifugal force to gravity, based on the diameter of the mixing tools and the speed of rotation. For example, with a Froude number below about 1, the mix is essentially at the lowest point of the mixer. With a Froude number of 1 to 10, the mix is mainly in the form of a cloud throughout the mixer. There are many statistical changes of place in this area of the Froude number.
- the mixing tools move by rotating the mixer shaft, that is to say so-called dynamic mixers.
- Mixers in which the mixing tools are arranged statically and the container wall rotates are also suitable as further mixers / granulators.
- conical mixers / granulators are also used, whereby - as in all cases - the mix is homogenized in a cloud within the mixer.
- the granulation according to the invention with water in the gaseous state has the advantage that preferably not more than 1.0% by weight and in particular not more than 0.4% by weight of water are introduced into the product.
- the substances to be granulated consist of at least one or more solids.
- liquids namely one or more non-aqueous liquids, can also be used.
- all liquid, pasty to wax-like components of washing or cleaning agents can be used as non-aqueous liquids, which are present in the form under the corresponding granulation conditions in such a way that they can be sprayed.
- the preferred nonionic surfactants include alkoxylated, advantageously ethoxylated, propoxylated or ethoxylated propoxylated, in particular primary alcohols with preferably 8 to 18 carbon atoms.
- alkylene oxide preferably ethylene oxide (EO)
- EO ethylene oxide
- alcohol ethoxylates with 12 to 18 carbon atoms for example from coconut, palm, tallow or oleyl alcohol, and an average of 2 to 8 EO per mole of alcohol are particularly preferred.
- the preferred ethoxylated alcohols include, for example, C 12 -C 4 alcohols with 3 EO or 4 EO, C 9 -Cn alcohol with 7 EO, C 13 -Ci 5 alcohols with 3 EO, 5 EO, 7 EO or 8 EO , C 12 -C 18 alcohols with 3, EO, 5 EO or 7 EO and mixtures thereof, such as mixtures of C 2 -C 4 alcohol with 3 EO and CirCi ⁇ alcohol with 5 EO.
- the degrees of ethoxylation given represent statistical averages, which can be an integer or a fraction for a specific product.
- Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
- fatty alcohols with more than 12 EO can also be used. examples for this are Mixtures of alcohols with 2 to 8 EO and tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
- mixtures of these nonionic surfactants with anionic sulfonate and / or sulfate surfactants usually present in detergents or cleaning agents can also be used, as long as these mixtures can be sprayed into the granulating device at the temperatures prevailing under the granulating conditions.
- the invention provides that one or more solids are granulated without the addition of liquids, irrespective of whether they are aqueous or non-aqueous in nature.
- solids can be granulated which are very finely divided, i.e. Grain spectra are ⁇ 0.4 mm or even have high levels of dust.
- the solids to be granulated at least partially, but preferably in amounts of 5 to 50% by weight and in particular 5 to 20% by weight, in each case based on the total solids, from finely divided to dusty are.
- the finely divided to dusty solids include all solid substances, in particular those as are used in detergents or cleaning agents, which have a particle size distribution, with at least 5% by weight of the particles having a diameter below 0.1 mm (Sieve analysis).
- These preferred solids primarily include anionic surfactants such as alkylbenzenesulfonates, otefinsulfonates, alkanesulfonates and alk (en) ylsulfates.
- anionic surfactants such as alkylbenzenesulfonates, otefinsulfonates, alkanesulfonates and alk (en) ylsulfates.
- the latter in particular, have high amounts of fine fractions or dust due to the manufacturing process, if they are produced as products with predominantly amorphous fractions in the context of conventional spray drying processes.
- the products treated with steam granulation according to the invention have a grain spectrum which has its maximum with usually more than 50% by weight, preferably more than 80% by weight, with a grain spectrum of more than 0.2 and less than 1.25 mm .
- the process according to the invention is characterized in that the components to be granulated are finely divided or dusty components from granulation processes using conventional granulation processes, for example using water or gas.
- alk (en) yl sulfates the alkali and in particular the sodium salts of the sulfuric acid half esters of the Ci 2 -C 8 fatty alcohols, for example from coconut oil alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or the C 0 -C 2 o-oxo alcohols and those half-esters of secondary alcohols of this chain length are preferred.
- alk (en) yl sulfates of the chain length mentioned which contain a synthetic, straight-chain alkyl radical prepared on a petrochemical basis and which have a degradation behavior analogous to that of the adequate compounds based on oleochemical raw materials.
- Ci 6 -C 8 alk (en) yl sulfates are particularly preferred for washing technology reasons. It may also be of particular advantage, especially for machine detergents, to advantage, C ⁇ ⁇ rC ⁇ e alk (en) yl sulfates in combination with low-melting anionic surfactants and in particular with those anionic surfactants which have a lower Krafft point and at relatively low wash temperatures from, for example, room temperature to 40 ° C. show a low tendency to crystallize.
- the means therefore contain mixtures of short-chain and long-chain fatty alkyl sulfates, preferably mixtures of C ⁇ 2 -C ⁇ 4 -Fettalkylsulfaten or C ⁇ 2- C 18 fatty alkyl sulfates with Ci 6 -C ⁇ 8 - fatty alkyl sulfates and, in particular C ⁇ 2 -Ci6- Fatty alkyl sulfates with Ci6-C ⁇ s fatty alkyl sulfates.
- not only saturated alkyl sulfates but also unsaturated alkyl sulfates with an alkenyl chain length of preferably C 6 to C 22 are used.
- Ci-fatty alcohols Mixtures of saturated, predominantly sulfated Ci-fatty alcohols and unsaturated, predominantly sulfated C 18 fatty alcohols are preferred, for example those derived from solid or liquid fatty alcohol mixtures of the HD-Ocenol ® type (Henkel KGaA). Weight ratios of alkyl sulfates to alkenyl sulfates from 10: 1 to 1: 2 and in particular from about 5: 1 to 1: 1 are preferred.
- finely divided soaps can be used in the processes according to the invention in amounts customary for such detergent or cleaning agent compositions, for example to 2% by weight to 30% by weight, preferably 2% by weight to 20% by weight.
- zeolite A, X or P or mixtures of zeolite A and X or zeolite A and P can be used.
- customary builders and complexing agents for example phosphonates
- the polycarboxylic acids preferably used in the form of their sodium salts such as citric acid, adipic acid, succinic acid, glutaric acid, aminocarboxylic acid and nitrilotriacetic acid, as well as mixtures of these, as well as mixtures of these, can be used as builder substances and (co) polymeric polycarboxylic acids or polycarboxylates, such as the sodium salts of polyacrylic acids or polymethacrylic acids, for example those with a relative molecular mass of 800 to 150,000 (based on acid), those of acrylic acid with methacrylic acid and acrylic acid or methacrylic acid with maleic acid being particularly preferred are included.
- biodegradable polymers composed of more than two different monomer units, for example those which, according to DE-A-43 00 772, are salts of acrylic acid and maleic acid as well as vinyl alcohol or vinyl alcohol derivatives or according to DE-C-42 21,381 as monomers contain salts of acrylic acid and 2-alkylallylsulfonic acid and sugar derivatives.
- Further preferred copolymers are those which are described in German patent applications DE-A-43 03 320 and P 44 17 734.8 and as monomers preferably acrolein and acrylic acid / Have acrylic acid salts or acrolein and vinyl acetate.
- polyacetals which can be obtained by reacting dialdehydes with polyolcarboxylic acids which have 5 to 7 carbon atoms and at least 3 hydroxyl groups, for example as described in European patent application EP-A-0 280 223.
- Preferred polyacetals will be obtained from dialdehydes such as glyoxal, glutanaldehyde, terephthalaldehyde and mixtures thereof and from polyolcarboxylic acids such as gluconic acid and / or glucoheptonic acid.
- Suitable solids are water-soluble inorganic salts such as bicarbonates, carbonates, amorphous silicates or mixtures of these;
- alkali carbonate and amorphous alkali silicate especially sodium silicate with a molar ratio Na 2 O: SiO 2 of 1: 1 to 1: 4.5, preferably of 1: 2 to 1: 3.5, are used.
- amorphous is also understood to mean “X-ray amorphous”.
- silicates in X-ray diffraction experiments do not provide sharp X-ray reflections, as are typical for crystalline substances, but at most one or more maxima of the scattered X-rays, which have a width of several degree units of the diffraction angle.
- alkali metal carbonates can also be replaced by sulfur-free, 2 to 11 carbon atoms and optionally an additional carboxyl and / or amino group and amino acids and / or their salts.
- the alkali metal carbonates are partially or completely replaced by glycine or glycinate.
- Other ingredients that can be used include:
- Soil repellents which are generally very fine and are therefore usually applied to a sodium sulfate carrier.
- Bleaching agents for example sodium perborate, sodium percarbonate, sodium perphosphate and percarbamide, may also be mentioned. However, preference is given to abrasion of sodium perborate.
- Another ingredient can be, for example, a fine product of a bleach activator based on tetraacetylglycoluryl (TAGU) or tetraacetylethylene diamine (TAED), whereby preferably a TAED-fine product should be added as coarse grain.
- Other ingredients can be phosphonates, which naturally have a finely divided grain spectrum.
- typical graying inhibitors based on chemically modified polysaccharides can be used in the granular washing and cleaning agents, for example correspondingly highly substituted ones
- Carboxymethyl cellulose or carboxymethyl starch but preferably the very fine dusting carboxymethyl cellulose is used.
- Ingredients to be added to these washing and cleaning agents are optical brighteners such as the classes of cotton brighteners, chlorine-resistant brighteners, polyamide and polyester brighteners, preference being given to the very finely dusting, very versatile stilbene derivatives.
- further ingredients include color transfer inhibitors, which are generally very fine, such as polyvinylpyrrolidone, as well as enzymes, but only if the grains, which are usually encapsulated by a very large grain spectrum, are destroyed by stripping during a mixing process.
- the grain spectra and the bulk density of the granules can be set within a wide range of the mixing or granulation time and the amount of steam used and thus the internal temperature of the mixer / granulator.
- the light granulated sodium carbonate (soda) was granulated in a mixer (Lödige Maschinenbau GmbH, type FKM 1200) with a volume of 1.2 m 3 .
- a mixer Lödige Maschinenbau GmbH, type FKM 1200
- sodium carbonate light caicinated soda, commercial product of Mathes & Weber GmbH, Duisburg with a sodium carbonate content of 98.8 to 99.6% and a bulk density of about 0.6 kg / l
- water was immersed in the water for 30 seconds fed in gaseous state and cooled below the condensation point.
- 300 kg of soda were then added, the mixture was mixed for 3 minutes and then, during the second mixing, again treated for 3 minutes twice for 10 seconds with the aforementioned water in gaseous state.
- Example 2 The treatment procedure according to Example 1 was repeated, except that compressed sodium carbonate (V-soda) was used instead of lightly calcined soda.
- V-soda compressed sodium carbonate
- the grain spectrum of particles ⁇ 0.1 mm was also significantly reduced. The data obtained are shown in Table 2 below, the grain spectrum, water content and bulk density being determined as above.
- Table 2 Granulation of compressed Na 2 CO 3 (data in% by weight)
- Example 3 Granulation of a Ci 2 / ⁇ 8 fatty alcohol sulfate neutralizer (FAS)
- a fatty alcohol sulfate neutralizer with the composition 85% by weight Ci2 / ⁇ -fatty alcohol sulfate sodium sulfate salt (usually consisting of 20 to 30% by weight C12 / 14 and 70 to 80% by weight C ⁇ 6 / ⁇ s), 5th %
- Ci2 / ⁇ -fatty alcohol sulfate sodium sulfate salt usually consisting of 20 to 30% by weight C12 / 14 and 70 to 80% by weight C ⁇ 6 / ⁇ s
- 5th % By weight of water and approx. 10% by weight of sodium sulfate and / or fatty alcohol with the characteristics given in Table 3 below, i.e. a special grain spectrum, water content, bulk density and a residue after the hand-washing test.
- the column "Mixer according to the invention” shows the grain spectra, the dust content, the bulk density, the clump test and the residue of a product which has been subjected to steam granulation according to the invention.
- the grain spectra and other characteristic data are given which are obtained when treating a starting material with a mixer with water addition (2 to 3% by weight based on the starting product).
- the water-treated starting material according to the prior art has a higher dust content with a particle spectrum of ⁇ 0.1 mm and the value obtained in the clump test is twice as unfavorable as in the products treated according to the invention, so that this product manufactured according to the prior art has a lower load capacity during transport.
- the bulk density achieved is less favorable than in the present invention.
- the steam granulation according to the invention itself is carried out on the fatty alcohol sulfate neutralizer as follows:
- # Indicates the amount (in g) based on 500 g that remains clumped; makes a statement about the maximum load capacity during transport.
- Example 5 Cleaning agent granules
- a granulation can be carried out, the bulk density of this detergent containing V-soda being able to be adjusted to a bulk density of 1040 g / l.
- the dust fraction ( ⁇ 0.1 mm) was 25% by weight, well below the fraction usually obtained. Without using the method according to the invention, a bulk density of only approx. 960 g / l and a dust fraction fraction ( ⁇ 0.1 mm) of approx. 30% by weight are obtained.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9524800A JP2000503055A (ja) | 1996-01-09 | 1996-12-20 | 粒状洗剤/洗浄剤またはその成分の製造法 |
US09/101,490 US6107269A (en) | 1996-01-09 | 1996-12-20 | Process for the preparation of granular washing or cleaning agents and constituents therefor |
EP96944621A EP0880580A1 (de) | 1996-01-09 | 1996-12-20 | Verfahren zur herstellung von granularen wasch- oder reinigungsmitteln bzw. komponenten hierfür |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19600466.7 | 1996-01-09 | ||
DE19600466A DE19600466A1 (de) | 1996-01-09 | 1996-01-09 | Verfahren zur Herstellung von granularen Wasch- oder Reinigungsmitteln bzw. Komponenten hierfür |
Publications (1)
Publication Number | Publication Date |
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WO1997025406A1 true WO1997025406A1 (de) | 1997-07-17 |
Family
ID=7782329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP1996/005782 WO1997025406A1 (de) | 1996-01-09 | 1996-12-20 | Verfahren zur herstellung von granularen wasch- oder reinigungsmitteln bzw. komponenten hierfür |
Country Status (5)
Country | Link |
---|---|
US (1) | US6107269A (de) |
EP (1) | EP0880580A1 (de) |
JP (1) | JP2000503055A (de) |
DE (1) | DE19600466A1 (de) |
WO (1) | WO1997025406A1 (de) |
Families Citing this family (5)
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DE102004011087A1 (de) * | 2004-03-06 | 2005-09-22 | Henkel Kgaa | Partikel umfassend diskrete, feinpartikuläre Tensidpartikel |
AU2009250634B2 (en) * | 2008-05-19 | 2012-11-29 | Kao Corporation | Surfactant-supporting granule cluster |
US8470760B2 (en) * | 2010-05-28 | 2013-06-25 | Milliken 7 Company | Colored speckles for use in granular detergents |
JO3679B1 (ar) | 2013-08-19 | 2020-08-27 | Mosaic Co | نظام وأساليب لإضافة مضافات زراعية، بيولوجية، و/أومزيلة غبار مفيدة الى الأسمدة الحبيبية |
CA2995400C (en) * | 2015-08-12 | 2023-10-24 | The Mosaic Company | Acid treatment for fertilizers to increase zinc solubility and availability |
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GB911067A (en) * | 1957-11-20 | 1962-11-21 | Fisons Fertilisers Ltd | Manufacture of granular materials |
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EP0395354A1 (de) * | 1989-04-24 | 1990-10-31 | E.I. Du Pont De Nemours And Company | Teller-Granulierung |
WO1993016164A1 (de) * | 1992-02-12 | 1993-08-19 | Henkel Kommandigesellschaft Auf Aktien | Verbessertes verfahren zur gewinnung von oberflächenaktiven aniontensid-salzen durch sprühneutralisation in einer heissgasphase |
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-
1996
- 1996-01-09 DE DE19600466A patent/DE19600466A1/de not_active Withdrawn
- 1996-12-20 JP JP9524800A patent/JP2000503055A/ja active Pending
- 1996-12-20 US US09/101,490 patent/US6107269A/en not_active Expired - Fee Related
- 1996-12-20 WO PCT/EP1996/005782 patent/WO1997025406A1/de not_active Application Discontinuation
- 1996-12-20 EP EP96944621A patent/EP0880580A1/de not_active Ceased
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GB349007A (en) * | 1929-12-19 | 1931-05-19 | William Kenneth Hall | Improvements in the granulation of fertilisers |
GB911067A (en) * | 1957-11-20 | 1962-11-21 | Fisons Fertilisers Ltd | Manufacture of granular materials |
US4246220A (en) * | 1979-06-22 | 1981-01-20 | J. M. Huber Corporation | Process for producing pelletized kaolin clay |
EP0111807A1 (de) * | 1982-12-16 | 1984-06-27 | Bayer Ag | Verfahren zur Herstellung von wasserdispergierbaren Granulaten |
EP0395354A1 (de) * | 1989-04-24 | 1990-10-31 | E.I. Du Pont De Nemours And Company | Teller-Granulierung |
WO1993016164A1 (de) * | 1992-02-12 | 1993-08-19 | Henkel Kommandigesellschaft Auf Aktien | Verbessertes verfahren zur gewinnung von oberflächenaktiven aniontensid-salzen durch sprühneutralisation in einer heissgasphase |
Also Published As
Publication number | Publication date |
---|---|
EP0880580A1 (de) | 1998-12-02 |
US6107269A (en) | 2000-08-22 |
DE19600466A1 (de) | 1997-07-10 |
JP2000503055A (ja) | 2000-03-14 |
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