OA12887A - Method of preventing or reducing aluminosilicate scale in a Bayer process. - Google Patents

Method of preventing or reducing aluminosilicate scale in a Bayer process. Download PDF

Info

Publication number: OA12887A
Authority: OA; OAPI
Prior art keywords: polymer; scale; formula; aryl; réduction
Prior art date: 2002-07-22

Application number

OA1200500014A

Other languages

English (en)

Inventor

Donald P Spitzer

Alan S Rothenberg

Howard I Heitner

Kula Franck

Original Assignee

Cytec Tech Corp

Priority date (The priority date 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 date listed.)

2002-07-22

Filing date

2003-06-20

Publication date

2006-09-15

2003-06-20 Application filed by Cytec Tech Corp filed Critical Cytec Tech Corp

2006-09-15 Publication of OA12887A publication Critical patent/OA12887A/en

Links

238000000034 method Methods 0.000 title claims abstract description 38
238000004131 Bayer process Methods 0.000 title claims abstract description 32
229910000323 aluminium silicate Inorganic materials 0.000 title claims abstract description 24
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 24
230000001603 reducing effect Effects 0.000 title description 3
229920000642 polymer Polymers 0.000 claims abstract description 102
229910052708 sodium Inorganic materials 0.000 claims abstract description 28
229910052700 potassium Inorganic materials 0.000 claims abstract description 26
125000003118 aryl group Chemical group 0.000 claims description 39
229910003202 NH4 Inorganic materials 0.000 claims description 21
125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 15
125000006273 (C1-C3) alkyl group Chemical group 0.000 claims description 14
229910052760 oxygen Inorganic materials 0.000 claims description 12
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
150000001408 amides Chemical class 0.000 claims description 6
229910052739 hydrogen Inorganic materials 0.000 claims description 6
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
230000002401 inhibitory effect Effects 0.000 claims description 4
125000000896 monocarboxylic acid group Chemical group 0.000 claims description 4
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 3
125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 3
229920000578 graft copolymer Polymers 0.000 claims description 3
125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 3
229910052757 nitrogen Inorganic materials 0.000 claims description 3
NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
229910007157 Si(OH)3 Inorganic materials 0.000 claims description 2
125000001424 substituent group Chemical group 0.000 claims description 2
101100001669 Emericella variicolor andD gene Proteins 0.000 claims 1
101100001678 Emericella variicolor andM gene Proteins 0.000 claims 1
229920005573 silicon-containing polymer Polymers 0.000 claims 1
239000000463 material Substances 0.000 abstract description 10
125000000217 alkyl group Chemical group 0.000 abstract description 7
238000011282 treatment Methods 0.000 abstract description 5
230000015572 biosynthetic process Effects 0.000 abstract description 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 39
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
239000000243 solution Substances 0.000 description 31
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 21
239000000377 silicon dioxide Substances 0.000 description 19
239000011734 sodium Substances 0.000 description 18
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 17
229910000831 Steel Inorganic materials 0.000 description 14
239000000654 additive Substances 0.000 description 14
239000010959 steel Substances 0.000 description 14
230000000996 additive effect Effects 0.000 description 13
239000000178 monomer Substances 0.000 description 12
-1 polyacrylic acid-g- Polymers 0.000 description 12
235000011121 sodium hydroxide Nutrition 0.000 description 12
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 11
150000001875 compounds Chemical class 0.000 description 10
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
150000001412 amines Chemical class 0.000 description 9
229910052665 sodalite Inorganic materials 0.000 description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
150000008064 anhydrides Chemical class 0.000 description 8
229920001577 copolymer Polymers 0.000 description 8
229910001570 bauxite Inorganic materials 0.000 description 7
229940044600 maleic anhydride Drugs 0.000 description 7
238000010998 test method Methods 0.000 description 7
239000000203 mixture Substances 0.000 description 6
239000000047 product Substances 0.000 description 6
238000012360 testing method Methods 0.000 description 6
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
229910052782 aluminium Inorganic materials 0.000 description 5
FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 5
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 4
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
229920000147 Styrene maleic anhydride Polymers 0.000 description 4
WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 3
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
150000004645 aluminates Chemical class 0.000 description 3
ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 3
229910021529 ammonia Inorganic materials 0.000 description 3
235000011114 ammonium hydroxide Nutrition 0.000 description 3
229910052681 coesite Inorganic materials 0.000 description 3
229910052906 cristobalite Inorganic materials 0.000 description 3
HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 3
230000029087 digestion Effects 0.000 description 3
125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
229920000768 polyamine Polymers 0.000 description 3
229910000077 silane Inorganic materials 0.000 description 3
235000012239 silicon dioxide Nutrition 0.000 description 3
229910001388 sodium aluminate Inorganic materials 0.000 description 3
239000007787 solid Substances 0.000 description 3
229910052682 stishovite Inorganic materials 0.000 description 3
229910052905 tridymite Inorganic materials 0.000 description 3
229940117958 vinyl acetate Drugs 0.000 description 3
XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 2
KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
239000004698 Polyethylene Substances 0.000 description 2
229920002873 Polyethylenimine Polymers 0.000 description 2
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
125000004429 atom Chemical group 0.000 description 2
239000004202 carbamide Substances 0.000 description 2
239000007810 chemical reaction solvent Substances 0.000 description 2
230000000052 comparative effect Effects 0.000 description 2
238000001914 filtration Methods 0.000 description 2
125000000524 functional group Chemical group 0.000 description 2
150000004820 halides Chemical group 0.000 description 2
239000012948 isocyanate Substances 0.000 description 2
150000002513 isocyanates Chemical class 0.000 description 2
238000002156 mixing Methods 0.000 description 2
239000002245 particle Substances 0.000 description 2
229920000573 polyethylene Polymers 0.000 description 2
239000002244 precipitate Substances 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
229910000029 sodium carbonate Inorganic materials 0.000 description 2
239000002904 solvent Substances 0.000 description 2
238000012546 transfer Methods 0.000 description 2
150000004684 trihydrates Chemical class 0.000 description 2
230000004584 weight gain Effects 0.000 description 2
235000019786 weight gain Nutrition 0.000 description 2
ORFPMGWJDWEAAQ-UHFFFAOYSA-N (4-ethenylphenyl)-triethoxysilane Chemical compound CCO[Si](OCC)(OCC)C1=CC=C(C=C)C=C1 ORFPMGWJDWEAAQ-UHFFFAOYSA-N 0.000 description 1
WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
YPKNIURCMPHHJJ-UHFFFAOYSA-N 1-(3-triethoxysilylpropyl)pyrrole-2,5-dione Chemical compound CCO[Si](OCC)(OCC)CCCN1C(=O)C=CC1=O YPKNIURCMPHHJJ-UHFFFAOYSA-N 0.000 description 1
OZAIFHULBGXAKX-UHFFFAOYSA-N 2,2'-azo-bis-isobutyronitrile Substances N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 description 1
FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
OXYZDRAJMHGSMW-UHFFFAOYSA-N 3-chloropropyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCCl OXYZDRAJMHGSMW-UHFFFAOYSA-N 0.000 description 1
BIGOJJYDFLNSGB-UHFFFAOYSA-N 3-isocyanopropyl(trimethoxy)silane Chemical group CO[Si](OC)(OC)CCC[N+]#[C-] BIGOJJYDFLNSGB-UHFFFAOYSA-N 0.000 description 1
AYKYXWQEBUNJCN-UHFFFAOYSA-N 3-methylfuran-2,5-dione Chemical class CC1=CC(=O)OC1=O AYKYXWQEBUNJCN-UHFFFAOYSA-N 0.000 description 1
TVTRDGVFIXILMY-UHFFFAOYSA-N 4-triethoxysilylaniline Chemical compound CCO[Si](OCC)(OCC)C1=CC=C(N)C=C1 TVTRDGVFIXILMY-UHFFFAOYSA-N 0.000 description 1
NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
239000004342 Benzoyl peroxide Substances 0.000 description 1
OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
239000004593 Epoxy Substances 0.000 description 1
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 description 1
229910000503 Na-aluminosilicate Inorganic materials 0.000 description 1
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
239000005062 Polybutadiene Substances 0.000 description 1
OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
239000002253 acid Substances 0.000 description 1
150000003926 acrylamides Chemical class 0.000 description 1
239000012042 active reagent Substances 0.000 description 1
238000013019 agitation Methods 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
150000001350 alkyl halides Chemical class 0.000 description 1
125000003277 amino group Chemical group 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
235000019400 benzoyl peroxide Nutrition 0.000 description 1
229910001593 boehmite Inorganic materials 0.000 description 1
RMCOJEZDSRZFOF-UHFFFAOYSA-N but-1-enyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=CCC RMCOJEZDSRZFOF-UHFFFAOYSA-N 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
239000001506 calcium phosphate Substances 0.000 description 1
229910000389 calcium phosphate Inorganic materials 0.000 description 1
235000011010 calcium phosphates Nutrition 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
239000003518 caustics Substances 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
239000000498 cooling water Substances 0.000 description 1
JYIMWRSJCRRYNK-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4] JYIMWRSJCRRYNK-UHFFFAOYSA-N 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
GKIPXFAANLTWBM-UHFFFAOYSA-N epibromohydrin Chemical compound BrCC1CO1 GKIPXFAANLTWBM-UHFFFAOYSA-N 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
BPDPTHQCDNVFLK-UHFFFAOYSA-N ethenyl(hydroxy)silane Chemical compound O[SiH2]C=C BPDPTHQCDNVFLK-UHFFFAOYSA-N 0.000 description 1
NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
229910001679 gibbsite Inorganic materials 0.000 description 1
150000004676 glycans Chemical class 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229920001519 homopolymer Polymers 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
239000003999 initiator Substances 0.000 description 1
LRDFRRGEGBBSRN-UHFFFAOYSA-N isobutyronitrile Chemical compound CC(C)C#N LRDFRRGEGBBSRN-UHFFFAOYSA-N 0.000 description 1
IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
VUQUOGPMUUJORT-UHFFFAOYSA-N methyl 4-methylbenzenesulfonate Chemical compound COS(=O)(=O)C1=CC=C(C)C=C1 VUQUOGPMUUJORT-UHFFFAOYSA-N 0.000 description 1
150000004682 monohydrates Chemical class 0.000 description 1
229910052662 nosean Inorganic materials 0.000 description 1
150000002924 oxiranes Chemical class 0.000 description 1
229920002857 polybutadiene Polymers 0.000 description 1
229920001282 polysaccharide Polymers 0.000 description 1
239000005017 polysaccharide Substances 0.000 description 1
229920002689 polyvinyl acetate Polymers 0.000 description 1
239000011118 polyvinyl acetate Substances 0.000 description 1
239000011591 potassium Substances 0.000 description 1
238000012545 processing Methods 0.000 description 1
NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
238000007142 ring opening reaction Methods 0.000 description 1
150000004756 silanes Chemical class 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
125000005625 siliconate group Chemical group 0.000 description 1
239000000429 sodium aluminium silicate Substances 0.000 description 1
235000012217 sodium aluminium silicate Nutrition 0.000 description 1
125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
239000000126 substance Substances 0.000 description 1
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
UMFJXASDGBJDEB-UHFFFAOYSA-N triethoxy(prop-2-enyl)silane Chemical compound CCO[Si](CC=C)(OCC)OCC UMFJXASDGBJDEB-UHFFFAOYSA-N 0.000 description 1
PZJJKWKADRNWSW-UHFFFAOYSA-N trimethoxysilicon Chemical group CO[Si](OC)OC PZJJKWKADRNWSW-UHFFFAOYSA-N 0.000 description 1
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1
239000008096 xylene Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0606—Making-up the alkali hydroxide solution from recycled spent liquor
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/062—Digestion
- C01F7/0633—Digestion characterised by the use of additives
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/0206—Polyalkylene(poly)amines
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/0206—Polyalkylene(poly)amines
- C08G73/0213—Preparatory process
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
- C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Health & Medical Sciences (AREA)
Water Supply & Treatment (AREA)
Hydrology & Water Resources (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Environmental & Geological Engineering (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Metallurgy (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
General Health & Medical Sciences (AREA)
Nutrition Science (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Detergent Compositions (AREA)
Silicates, Zeolites, And Molecular Sieves (AREA)
Paints Or Removers (AREA)

OA1200500014A 2002-07-22 2003-06-20 Method of preventing or reducing aluminosilicate scale in a Bayer process. OA12887A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US10/201,209 US6814873B2 (en)	2002-07-22	2002-07-22	Method of preventing or reducing aluminosilicate scale in a bayer process

Publications (1)

Publication Number	Publication Date
OA12887A true OA12887A (en)	2006-09-15

Family

ID=30443606

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
OA1200500014A OA12887A (en)	2002-07-22	2003-06-20	Method of preventing or reducing aluminosilicate scale in a Bayer process.

Country Status (14)

Country	Link
US (3)	US6814873B2 (de)
EP (3)	EP2168995B1 (de)
JP (1)	JP4317520B2 (de)
CN (3)	CN101875705B (de)
AT (1)	ATE312835T1 (de)
AU (1)	AU2003251572B2 (de)
BR (1)	BRPI0312809B1 (de)
CA (1)	CA2493521C (de)
DE (1)	DE60302798T2 (de)
ES (1)	ES2250915T3 (de)
OA (1)	OA12887A (de)
RU (1)	RU2311494C2 (de)
UA (1)	UA78832C2 (de)
WO (1)	WO2004009606A1 (de)

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2002
- 2002-07-22 US US10/201,209 patent/US6814873B2/en not_active Expired - Lifetime
2003
- 2003-06-20 BR BRPI0312809A patent/BRPI0312809B1/pt not_active IP Right Cessation
- 2003-06-20 CA CA2493521A patent/CA2493521C/en not_active Expired - Lifetime
- 2003-06-20 WO PCT/US2003/019388 patent/WO2004009606A1/en not_active Ceased
- 2003-06-20 CN CN2010101570625A patent/CN101875705B/zh not_active Expired - Lifetime
- 2003-06-20 ES ES03765453T patent/ES2250915T3/es not_active Expired - Lifetime
- 2003-06-20 EP EP09176075.1A patent/EP2168995B1/de not_active Expired - Lifetime
- 2003-06-20 UA UAA200501521A patent/UA78832C2/uk unknown
- 2003-06-20 OA OA1200500014A patent/OA12887A/en unknown
- 2003-06-20 JP JP2004523007A patent/JP4317520B2/ja not_active Expired - Lifetime
- 2003-06-20 AT AT03765453T patent/ATE312835T1/de not_active IP Right Cessation
- 2003-06-20 EP EP05018991A patent/EP1630182A3/de not_active Withdrawn
- 2003-06-20 AU AU2003251572A patent/AU2003251572B2/en not_active Expired
- 2003-06-20 EP EP03765453A patent/EP1523487B1/de not_active Expired - Lifetime
- 2003-06-20 RU RU2005104828/04A patent/RU2311494C2/ru active
- 2003-06-20 CN CN038175339A patent/CN1671718B/zh not_active Expired - Lifetime
- 2003-06-20 CN CN2008101250615A patent/CN101318970B/zh not_active Expired - Lifetime
- 2003-06-20 DE DE60302798T patent/DE60302798T2/de not_active Expired - Lifetime
2004
- 2004-02-17 US US10/780,302 patent/US7442755B2/en not_active Expired - Lifetime
2008
- 2008-09-22 US US12/235,199 patent/US20090018295A1/en not_active Abandoned

Also Published As

Publication number	Publication date
US7442755B2 (en)	2008-10-28
CA2493521A1 (en)	2004-01-29
JP2006514877A (ja)	2006-05-18
EP2168995B1 (de)	2014-09-17
AU2003251572B2 (en)	2008-01-24
CN1671718B (zh)	2010-05-05
EP2168995A1 (de)	2010-03-31
CN1671718A (zh)	2005-09-21
UA78832C2 (en)	2007-04-25
EP1630182A3 (de)	2007-10-17
RU2005104828A (ru)	2005-07-20
EP1630182A2 (de)	2006-03-01
EP1523487A1 (de)	2005-04-20
RU2311494C2 (ru)	2007-11-27
JP4317520B2 (ja)	2009-08-19
WO2004009606A1 (en)	2004-01-29
CN101875705A (zh)	2010-11-03
AU2003251572A1 (en)	2004-02-09
CN101318970A (zh)	2008-12-10
DE60302798T2 (de)	2006-07-20
CA2493521C (en)	2012-01-10
US6814873B2 (en)	2004-11-09
CN101318970B (zh)	2010-12-15
ES2250915T3 (es)	2006-04-16
CN101875705B (zh)	2012-05-09
ATE312835T1 (de)	2005-12-15
DE60302798D1 (de)	2006-01-19
US20090018295A1 (en)	2009-01-15
BR0312809A (pt)	2005-05-10
US20050010008A2 (en)	2005-01-13
US20040011744A1 (en)	2004-01-22
EP1523487B1 (de)	2005-12-14
US20040162406A1 (en)	2004-08-19
BRPI0312809B1 (pt)	2016-06-07

Publication	Publication Date	Title
OA12887A (en)	2006-09-15	Method of preventing or reducing aluminosilicate scale in a Bayer process.
AU2008242419B2 (en)	2013-03-28	Use of silicon-containing polymers to improve red mud flocculation in the Bayer process
EP0896570B1 (de)	2000-01-26	Verwendung von hydroxamsäuregruppeenthaltenden polymeren zur änderung von ablagerungen im bayerverfahren
CA2252694C (en)	2005-06-07	Use of hydroxamated polymers to alter bayer process scale
CA2815766C (en)	2016-01-05	Method of preventing or reducing aluminosilicate scale in industrial processes
US20060124553A1 (en)	2006-06-15	Method of preventing or reducing aluminosilicate scale in high level nuclear wastes
AU2010200557B2 (en)	2011-08-04	Method of preventing or reducing aluminosilicate scale in a Bayer process
AU2013201696B2 (en)	2014-03-27	Use of silicon-containing polymers to improve red mud flocculation in the Bayer process
AU2014201868B2 (en)	2014-12-04	Method of preventing or reducing aluminosilicate scale in industrial processes
GB2124607A (en)	1984-02-22	Scale-inhibiting agent
AU2012268808A1 (en)	2013-01-17	Method of preventing or reducing aluminosilicate scale in industrial processes