WO2005116296A1 - 冷却水の処理方法及び処理薬剤 - Google Patents
冷却水の処理方法及び処理薬剤 Download PDFInfo
- Publication number
- WO2005116296A1 WO2005116296A1 PCT/JP2005/001472 JP2005001472W WO2005116296A1 WO 2005116296 A1 WO2005116296 A1 WO 2005116296A1 JP 2005001472 W JP2005001472 W JP 2005001472W WO 2005116296 A1 WO2005116296 A1 WO 2005116296A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acid
- calcium carbonate
- cooling water
- group
- calcium
- Prior art date
Links
- 239000000498 cooling water Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000126 substance Substances 0.000 title description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 193
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 96
- 238000001556 precipitation Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003112 inhibitor Substances 0.000 claims abstract description 25
- 238000005260 corrosion Methods 0.000 claims abstract description 24
- 239000002270 dispersing agent Substances 0.000 claims abstract description 24
- 230000007797 corrosion Effects 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229920001577 copolymer Polymers 0.000 claims description 25
- 239000010419 fine particle Substances 0.000 claims description 22
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 19
- 239000011575 calcium Substances 0.000 claims description 19
- 229910052791 calcium Inorganic materials 0.000 claims description 19
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 15
- 150000003839 salts Chemical class 0.000 claims description 15
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 13
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 12
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 11
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 11
- 239000011976 maleic acid Substances 0.000 claims description 11
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 11
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- -1 phosphonic acid compound Chemical class 0.000 claims description 8
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 8
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 7
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 7
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 229920002125 Sokalan® Polymers 0.000 claims description 5
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 5
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims description 5
- 239000004584 polyacrylic acid Substances 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 229920001444 polymaleic acid Polymers 0.000 claims description 5
- RNIIXUQHKLCPMW-UPHRSURJSA-N (z)-2-phosphonobut-2-enedioic acid Chemical compound OC(=O)\C=C(\C(O)=O)P(O)(O)=O RNIIXUQHKLCPMW-UPHRSURJSA-N 0.000 claims description 4
- FLXLXHMWYMTPKP-UHFFFAOYSA-N 1-phosphonobutane-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)CC(C(O)=O)C(C(O)=O)C(C(O)=O)P(O)(O)=O FLXLXHMWYMTPKP-UHFFFAOYSA-N 0.000 claims description 4
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims description 4
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 229920002845 Poly(methacrylic acid) Polymers 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 229920001400 block copolymer Polymers 0.000 claims description 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 4
- 159000000007 calcium salts Chemical class 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- HQPMKSGTIOYHJT-UHFFFAOYSA-N ethane-1,2-diol;propane-1,2-diol Chemical compound OCCO.CC(O)CO HQPMKSGTIOYHJT-UHFFFAOYSA-N 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 229920000193 polymethacrylate Polymers 0.000 claims description 4
- 229920001451 polypropylene glycol Polymers 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
- QDHFHIQKOVNCNC-UHFFFAOYSA-N butane-1-sulfonic acid Chemical compound CCCCS(O)(=O)=O QDHFHIQKOVNCNC-UHFFFAOYSA-N 0.000 claims description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 2
- HQRPHMAXFVUBJX-UHFFFAOYSA-M lithium;hydrogen carbonate Chemical compound [Li+].OC([O-])=O HQRPHMAXFVUBJX-UHFFFAOYSA-M 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 2
- 239000011736 potassium bicarbonate Substances 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 235000011181 potassium carbonates Nutrition 0.000 claims description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 claims 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract 3
- 239000011859 microparticle Substances 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 229910000975 Carbon steel Inorganic materials 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000010962 carbon steel Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000008235 industrial water Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000005708 Sodium hypochlorite Substances 0.000 description 3
- 239000001506 calcium phosphate Substances 0.000 description 3
- 229910000389 calcium phosphate Inorganic materials 0.000 description 3
- 235000011010 calcium phosphates Nutrition 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 3
- 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 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000011021 bench scale process Methods 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002455 scale inhibitor Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 150000003751 zinc Chemical class 0.000 description 2
- GLULCKCBVYGUDD-UHFFFAOYSA-N 2-phosphonobutane-1,1,1-tricarboxylic acid Chemical compound CCC(P(O)(O)=O)C(C(O)=O)(C(O)=O)C(O)=O GLULCKCBVYGUDD-UHFFFAOYSA-N 0.000 description 1
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- AYCPARAPKDAOEN-LJQANCHMSA-N N-[(1S)-2-(dimethylamino)-1-phenylethyl]-6,6-dimethyl-3-[(2-methyl-4-thieno[3,2-d]pyrimidinyl)amino]-1,4-dihydropyrrolo[3,4-c]pyrazole-5-carboxamide Chemical compound C1([C@H](NC(=O)N2C(C=3NN=C(NC=4C=5SC=CC=5N=C(C)N=4)C=3C2)(C)C)CN(C)C)=CC=CC=C1 AYCPARAPKDAOEN-LJQANCHMSA-N 0.000 description 1
- URWIWRCHIPAGBL-UHFFFAOYSA-N OCC1OP(=O)OP(=O)O1 Chemical compound OCC1OP(=O)OP(=O)O1 URWIWRCHIPAGBL-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- JMTIXSZQYHAMLY-UHFFFAOYSA-N [P].[Zn] Chemical compound [P].[Zn] JMTIXSZQYHAMLY-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 1
- 150000007980 azole derivatives Chemical class 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- FYHXNYLLNIKZMR-UHFFFAOYSA-N calcium;carbonic acid Chemical compound [Ca].OC(O)=O FYHXNYLLNIKZMR-UHFFFAOYSA-N 0.000 description 1
- IQBJFLXHQFMQRP-UHFFFAOYSA-K calcium;zinc;phosphate Chemical compound [Ca+2].[Zn+2].[O-]P([O-])([O-])=O IQBJFLXHQFMQRP-UHFFFAOYSA-K 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- PIDXZFLNYVHZCP-UHFFFAOYSA-N carbonic acid;ruthenium Chemical compound [Ru].OC(O)=O PIDXZFLNYVHZCP-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229940005740 hexametaphosphate Drugs 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical group [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 1
- LFGREXWGYUGZLY-UHFFFAOYSA-N phosphoryl Chemical class [P]=O LFGREXWGYUGZLY-UHFFFAOYSA-N 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 125000001174 sulfone group Chemical group 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 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
- C02F5/14—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 phosphorus
-
- 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
- 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
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/12—Oxygen-containing compounds
-
- 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
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/173—Macromolecular compounds
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
Definitions
- the present invention relates to a treatment method and a treatment agent for simultaneously preventing corrosion of metal and scale failure in an open circulation cooling water system.
- Metal members provided in the open circulating cooling water system for example, heat exchangers, reactors, and pipes made of carbon steel, copper, or copper alloy are corroded by contact with cooling water.
- anticorrosion treatment is performed by adding a chemical.
- Carbon steel heat exchangers In order to suppress corrosion of the reaction vessel and piping, phosphorus oxides such as orthophosphate, hexametaphosphate, hydroxyethylidene diphosphonate, and phosphonobutanetricarboxylate are used. The compound has been added to the cooling water. In some cases, heavy metal salts such as zinc salts and dichromates are added alone or in combination. The use of large amounts of these phosphorus compounds and heavy metal salts, especially heavy metal salts, can pollute water quality and seriously affect the environment, requiring great care and expense in handling and wastewater treatment. Become.
- Nitrogen-containing azoles and phosphorus-zinc-based chemicals are mainly used for corrosion prevention of copper and copper alloy materials. If cooling water containing a large amount of nitrogen-containing chemicals or phosphorus is discharged into a closed water area, their concentration in the water area increases, and eutrophication tends to cause red tide and the like.
- Phosphoric acid or polymerized phosphoric acid or other maleic acid or maleic acid polymer is effective for preventing precipitation of calcium carbonate.
- these compounds are added to the open circulation cooling water system to prevent precipitation of calcium carbonate and prevent scale disturbance (for example, Japanese Patent Application Laid-Open No. 9-174092).
- scale disturbance for example, Japanese Patent Application Laid-Open No. 9-174092.
- the water quality of the aqueous system exceeds the limit of calcium carbonate precipitation prevention performance of these compounds, crystallization of calcium carbonate proceeds rapidly, leading to scale disturbance.
- the same obstacle is caused by the precipitation of calcium phosphate and calcium phosphate zinc. Therefore, the applicable water quality of these compounds is limited, and the upper limit of the concentration multiple is also limited.
- the present invention provides a method and a chemical for treating cooling water that simultaneously prevent corrosion and scale failure of equipment, piping, and equipment made of metal such as carbonated steel, copper, and copper alloy in an open-circulating cooling water system.
- the purpose is to:
- the method for treating cooling water of the present invention is a method for treating cooling water that suppresses corrosion of metals in the cooling water system and prevents scale failure, wherein the cooling water contains a calcium carbonate precipitation inhibitor and a carbonate. A calcium dispersant is added, and calcium carbonate fine particles are dispersed in the cooling water to form an anticorrosion film on the metal surface.
- the agent for treating cooling water of the present invention is one or two selected from the group consisting of a phosphonic acid compound represented by the following I, a carboxylic acid polymer represented by the following II, and a carboxylic acid copolymer represented by the following III: 5 to 95% by weight of the above calcium carbonate precipitation inhibitor, and at least one calcium carbonate dispersant 5 selected from the group consisting of a carboxylic acid copolymer of the following IV and a nonionic polymer of the following V — Contains 95% by weight.
- polyacrylic acid polymethacrylic acid, polymaleic acid, polyitaconic acid, polyacrylate, At least one of polymethacrylate, polymaleate, and polyitaconate.
- One or more carboxylic acid components selected from the group consisting of acrylic acid, methacrylic acid, maleic acid, itaconic acid and salts thereof, at least 40 mol%, and alkane, styrene and styrene having 4 to 10 carbon atoms.
- a copolymer containing at least one unsaturated hydrocarbon component selected from the group consisting of dicyclopentadiene and 5 mol% or more.
- carboxylic acid components selected from the group consisting of acrylic acid, methacrylic acid, maleic acid, itaconic acid, and salts thereof, and butylsulfonic acid, arylsulfonic acid, and styrenesulfonic acid.
- V At least one of polyacrylamide, polybutyl alcohol, polyethylene glycol, polypropylene glycol, and ethylene glycol propylene glycol block copolymer.
- FIG. 1 is a system diagram showing an outline of a bench scale cooling water system evaluation test apparatus used in Examples and Comparative Examples.
- the fine calcium carbonate fine particles dispersed in water prevent excessive scale adhesion and prevent scale damage.
- a carbonated calcium precipitation inhibitor and a calcium carbonate dispersant are added to cooling water.
- the calcium carbonate precipitation inhibitor suppresses the precipitation of calcium carbonate.
- the calcium carbonate dispersant prevents the calcium carbonate generated in the water of quality exceeding the performance limit of the calcium carbonate precipitation inhibitor from becoming coarse.
- the metal in the cooling water system A stable anti-corrosion film of calcium carbonate with an adequate thickness that exhibits a sufficient anti-corrosion effect can be quickly and stably formed on the surface of the steel to suppress the corrosion of the metal and reliably prevent scale damage. can do.
- the calcium carbonate precipitation inhibitor added to the cooling water those which can be used, for example, those conventionally used as a scale inhibitor for calcium carbonate are preferably used.
- a carboxylic acid polymer II and a carboxylic acid copolymer III are preferably used.
- I at least one of hydroxyethylidene diphosphonic acid, 2-phosphonobutane 1,2,4 tricarboxylic acid, aminotrimethylene phosphonic acid, 1 phosphonobutane 1,2,3,4-tetracarboxylic acid, and phosphonofumaric acid.
- At least one of polyacrylic acid, polymethacrylic acid, polymaleic acid, polyitaconic acid, polyacrylate, polymethacrylate, polymaleate, and polyitaconate At least one of polyacrylic acid, polymethacrylic acid, polymaleic acid, polyitaconic acid, polyacrylate, polymethacrylate, polymaleate, and polyitaconate.
- the molecular weight of these carboxylic acid polymers is about 500-5000.
- carboxylic acid components selected from the group consisting of acrylic acid, methacrylic acid, maleic acid, itaconic acid and salts thereof, at least 40 mol%, preferably 50-90 mol%, and 4 carbon atoms.
- unsaturated hydrocarbon components such as 10 alkenes (eg, isobutylene, butylene, pentene, etc.), styrene, and dicyclopentadiene one or more selected at least 5 mol% or more, preferably 10-50 mol%;
- a copolymer comprising: The molecular weight of these carboxylic acid-based copolymers is preferably about 1,000 to 20,000.
- the calcium carbonate dispersant preferably, when calcium carbonate is adsorbed by a carboxyl group, a charged hydrophilic group such as a sulfone group or a hydrophobic group such as an ether is oriented to the outside so that particles can approach each other.
- a compound having a functional group that prevents the above is used, and examples thereof include one or more members selected from the group consisting of a carboxylic acid-based copolymer of the following IV and a nonionic polymer of the following V.
- the molecular weight of these carboxylic acid-based copolymers is preferably about 1000-20000.
- V At least one of polyacrylamide, polybutyl alcohol, polyethylene glycol, polypropylene glycol, and ethylene glycol propylene glycol block copolymer.
- the molecular weight of these nonionic polymers is preferably about 5,000 to 100,000.
- the amounts of the calcium carbonate precipitation inhibitor and the calcium carbonate dispersant added to the cooling water are generally each 100 mg ZL, preferably 5 to 50 mg ZL, respectively. It is about 10-100 mgZL in total with the dispersant. If the amounts of the calcium carbonate precipitation inhibitor and the calcium carbonate dispersant are too small, sufficient effects cannot be obtained, while if too large, it is uneconomical and the generation of calcium carbonate fine particles may be delayed. Furthermore, in particular, in the case of a phosphorus conjugate, a problem of precipitation of calcium phosphate and a problem of wastewater treatment occur, which is not preferable.
- the required amount of calcium carbonate fine particles to be dispersed in the cooling water is generally about 110 OOmgZL, preferably about 5-100mgZL. If the amount of carbonic acid ruthenium particles dispersed in the cooling water is too small, a sufficient anticorrosion effect cannot be obtained, and if it is too large, scale failure may occur.
- the particle size of the calcium carbonate fine particles dispersed in the cooling water is larger than 10 m or smaller than 0.01 ⁇ m, the particle size does not significantly contribute to the formation of the anticorrosive film. It is preferable that 0.01 to 10 / zm of calcium carbonate fine particles be contained in water in an amount of 1 lOOOOmgZL, particularly 5lOOmgZL. However, calcium carbonate having a particle size of less than 0.01 ⁇ m or more than 10 m may be contained in the water. Such calcium carbonate fine particles can be produced by using a calcium carbonate precipitation inhibitor and a calcium carbonate dispersant in combination.
- the cooling water is calculated according to the water temperature. Make the hardness, M alkalinity, pH, etc. above a certain value.
- the supersaturation degree of the cooling water is preferably set to about 1.2 to 3.5 as a saturation index (saturation index (SI) or a Langelier index).
- calcium carbonate coarse particles were prepared by crushing calcium carbonate coarse particles using a fine crusher such as a tornado mill.
- the calcium carbonate fine particles may be added to the cooling water, but preferably a method of chemically depositing calcium carbonate fine particles in the cooling water as described below is advantageous.
- One or more calcium salts such as calcium chloride, calcium nitrate, calcium hydroxide, etc., and bicarbonates such as sodium bicarbonate, potassium bicarbonate, lithium bicarbonate, sodium carbonate, potassium carbonate , A carbonate such as lithium carbonate, and one or more alkali metal hydroxides such as sodium hydroxide, potassium hydroxide, and lithium hydroxide, and contact with air in a cooling tower.
- a GO heat exchanger raise the temperature of the cooling water, reduce the solubility of calcium carbonate, and precipitate and disperse the calcium carbonate fine particles.
- agents used in ordinary water treatment other than the calcium carbonate precipitation inhibitor and the calcium carbonate dispersant may be added in combination as needed.
- an aqueous system contains a copper material
- an azole derivative such as benzotriazole or tolyltriazole
- a bactericide such as sodium hypochlorite may be added in combination.
- the treatment agent for cooling water of the present invention contains the above-mentioned calcium carbonate precipitation inhibitor and calcium carbonate dispersant according to the present invention.
- the calcium carbonate precipitation inhibitor and the calcium carbonate dispersant are each usually contained in an amount of 5 to 95% by weight, preferably 20 to 80% by weight.
- the treatment agent of the present invention is one in which the calcium carbonate precipitation inhibitor and the calcium carbonate dispersant are separately supplied even if the calcium carbonate precipitation inhibitor and the calcium carbonate dispersant are mixed in advance. May be. Further, it may contain various agents other than the carbonated calcium precipitation inhibitor and the calcium carbonate dispersant.
- Example 117 Comparative Example 114
- a Maleic acid / noacrylic acid Z styrene copolymer (molar ratio: 60:25:15, molecular weight: 10,000)
- Acrylic acid Z vinyl sulfonic acid copolymer (molar ratio 75:25, molecular weight 5,000) d Acrylic acid noallyl sulfonic acid copolymer (molar ratio 70.30, molecular weight 3,000) e Acrylic acid Styrene sulfonic acid copolymer Combined (molar ratio: 80:20, molecular weight: 8,000) Acrylic acid / 3-aryloxy-1-hydroxypropanesulfonic acid copolymer
- Acrylic acid / hydroxy methacrylate isoprene sulfonic acid copolymer g (molar ratio 70:10:20, molecular weight 13,000)
- circulating cooling water is sent from cooling tower 1 to heat exchanger 3 by circulation pipe 2 having pump ⁇ ⁇ , and return water is returned to cooling tower 1 from pipe 4.
- . 5 is a supply water supply pipe
- 6 is a sodium hypochlorite aqueous solution supply pipe
- 7 is a chemical supply pipe shown in Table 3
- 8 is a blow pipe, each equipped with pumps ⁇ ⁇ ⁇ , ⁇ , ⁇ , ⁇ .
- Reference numeral 9 denotes a bypass pipe having a valve 9a.
- Heat exchanger inlet water temperature 30 ° C
- Heat exchanger outlet water temperature 50 ° C (steam heating)
- Drug addition amount The drugs shown in Table 4 were added at the addition concentrations shown in Table 4.
- the above operation was performed for 30 days, and the Z-day corrosion rate (carbon steel) was measured once using a corrosion meter.
- the analysis of the calcium hardness of the cooling water was performed once every Z weeks, the cooling water was filtered with a 0.1 m millipore filter, and the calcium hardness of the filtrate was determined by titration.
- the calcium hardness of the filter was measured by atomic absorption spectrometry after boiling with hydrochloric acid.
- test tube was taken out of the heat exchanger, dried, cut every 20 cm, and subjected to evaluation of deposits and pitting corrosion.
- the deposit on the test tube was taken using a metal brush, and the scale deposition rate was calculated from the dry weight and the tube area.
- test tubes from which the deposits had been collected were pickled with hydrochloric acid containing an inhibitor to remove corrosion products.
- the pit depth on the test tube surface was measured using a depth gauge, and the maximum value was determined.
- Table 4 shows the calcium hardness of the filtrate, the calcium hardness of the amount captured by filtration, the corrosion rate and pit depth of the tubes of the heat exchanger, and the scale adhesion rate. The average values during the period were used for the measured values of the corrosion rate, the calcium hardness of the filtrate, and the calcium hardness of the amount captured by filtration.
- Table 4 shows the value obtained by multiplying the calcium hardness of the makeup water (industrial water) by the concentration ratio, and The sum of the calcium hardness of the sample and the calcium hardness of the amount captured by filtration was subtracted, and the resulting value was also recorded as an index of the tendency to scale.
- the saturation index of the calcium carbonate dissolved in the cooling water at this time is as shown in Table 4, and the calcium carbonate fine particles having a particle size of 0.01-10 / zm dispersed in the cooling water are shown in Table 4.
- the amount was from 0 to 30 mg ZL from the value of the calcium hardness of the 0.1 ⁇ m filtration trap.
- the filter trap is a gel of polymer and calcium ions.
- the main component of the deposit is calcium phosphate
- the main component of the deposit is magnesium silicate
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006513807A JP4725513B2 (ja) | 2004-05-25 | 2005-02-02 | 冷却水の処理方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004154821 | 2004-05-25 | ||
| JP2004-154821 | 2004-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005116296A1 true WO2005116296A1 (ja) | 2005-12-08 |
Family
ID=35450915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/001472 WO2005116296A1 (ja) | 2004-05-25 | 2005-02-02 | 冷却水の処理方法及び処理薬剤 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4725513B2 (enrdf_load_stackoverflow) |
| CN (1) | CN100395199C (enrdf_load_stackoverflow) |
| MY (1) | MY146543A (enrdf_load_stackoverflow) |
| TW (1) | TW200538405A (enrdf_load_stackoverflow) |
| WO (1) | WO2005116296A1 (enrdf_load_stackoverflow) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008249285A (ja) * | 2007-03-30 | 2008-10-16 | Hakuto Co Ltd | 開放循環式冷却水系の水処理方法及び開放循環式冷却水系用水処理剤 |
| JP2011045861A (ja) * | 2009-08-28 | 2011-03-10 | Hakuto Co Ltd | 水処理剤および水処理方法 |
| CN101565660B (zh) * | 2009-06-02 | 2011-08-17 | 董宇新 | 一种有机除垢组合物及其制备方法和应用 |
| CN102414798A (zh) * | 2009-04-27 | 2012-04-11 | 韩商Snu精密股份有限公司 | 原料供应单元、薄膜沉积装置及沉积薄膜的方法 |
| JP2013188729A (ja) * | 2012-03-15 | 2013-09-26 | Kurita Water Ind Ltd | 蒸気発生器の鉄スケール防止剤及び防止方法 |
| WO2015122264A1 (ja) * | 2014-02-13 | 2015-08-20 | 栗田工業株式会社 | 蒸気発生設備のスケール除去方法及びスケール除去剤 |
| CN105347557A (zh) * | 2015-11-19 | 2016-02-24 | 四川省宜宾惠美线业有限责任公司 | 一种制冷机组在枯水期的冷却水处理系统 |
| JP2017170348A (ja) * | 2016-03-24 | 2017-09-28 | 栗田工業株式会社 | 逆浸透膜用スケール防止剤及び逆浸透膜処理方法 |
| JP2023066238A (ja) * | 2021-10-28 | 2023-05-15 | 伯東株式会社 | 初期処理方法 |
| JP7601147B1 (ja) | 2023-07-10 | 2024-12-17 | 栗田工業株式会社 | 密閉冷却水系のｐＨ制御方法及び装置 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5680289B2 (ja) * | 2009-08-28 | 2015-03-04 | 伯東株式会社 | 水処理剤および水処理方法 |
| JP6325951B2 (ja) * | 2014-09-11 | 2018-05-16 | 日立ジョンソンコントロールズ空調株式会社 | 吸収式冷凍機用作動媒体及びこれを用いた吸収式冷凍機 |
| CN104310598A (zh) * | 2014-10-22 | 2015-01-28 | 山东华亚环保科技有限公司 | 一种用于浓缩海水装置的缓蚀剂 |
| CN104310606A (zh) * | 2014-10-22 | 2015-01-28 | 山东华亚环保科技有限公司 | 一种用于浓缩海水装置的缓蚀剂 |
| CN104525897A (zh) * | 2015-01-08 | 2015-04-22 | 浙江万丰奥威汽轮股份有限公司 | 一种低压铸造模具的新型冷却介质 |
| JP6128171B2 (ja) | 2015-07-09 | 2017-05-17 | 栗田工業株式会社 | 冷却排出水の回収方法及び回収装置 |
| CN105481116B (zh) * | 2015-12-18 | 2018-07-20 | 广东顺德朗新环保有限公司 | 一种循环冷却水缓蚀阻垢剂及其制备方法 |
| AU2018271842B2 (en) * | 2017-05-24 | 2023-07-27 | Bl Technologies, Inc. | Polyacrylate polymers for low carbon steel corrosion control |
| CN113800653A (zh) * | 2020-06-16 | 2021-12-17 | 中国石油化工集团有限公司 | 一种地热流体阻垢剂及其制备方法和应用 |
| CN114106788B (zh) * | 2021-12-15 | 2024-07-26 | 湖南省希润弗高分子新材料有限公司 | 一种工业循环冷却液 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61107998A (ja) * | 1984-10-31 | 1986-05-26 | Kurita Water Ind Ltd | スケ−ル防止剤 |
| JPS61118199A (ja) * | 1984-11-14 | 1986-06-05 | Kurita Water Ind Ltd | 水処理剤 |
| JPH0231894A (ja) * | 1988-07-22 | 1990-02-01 | Mitsubishi Gas Chem Co Inc | 冷却水系のスケール防止剤 |
| JPH06287777A (ja) * | 1993-04-01 | 1994-10-11 | Suido Kiko Kk | 水の腐食性を低下させる方法 |
| JP2003525104A (ja) * | 1999-06-16 | 2003-08-26 | ハーキュリーズ・インコーポレーテッド | 無機組成物に関係するスケーリングの防止方法およびそのための組成物 |
| JP2004107782A (ja) * | 2002-09-20 | 2004-04-08 | Kurita Water Ind Ltd | 防食方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0730471B2 (ja) * | 1987-12-29 | 1995-04-05 | 高砂熱学工業株式会社 | 配管系統の腐食を防止する方法 |
| US5282976A (en) * | 1992-07-21 | 1994-02-01 | Rhone-Poulenc Inc. | Terpolymer useful as a scale inhibitor |
| US5580462A (en) * | 1995-10-06 | 1996-12-03 | Calgon Corporation | Controlling calcium carbonate and calcium phosphate scale in an aqueous system using a synergistic combination |
| JP2001327994A (ja) * | 2000-05-23 | 2001-11-27 | Kurita Water Ind Ltd | 開放循環冷却水の処理装置 |
| CN1128764C (zh) * | 2000-06-28 | 2003-11-26 | 中国石油化工股份有限公司 | 一种处理中高硬度循环水的复合缓蚀阻垢剂 |
| CN1204064C (zh) * | 2001-12-20 | 2005-06-01 | 川化集团有限责任公司 | 复合阻垢缓蚀剂 |
-
2005
- 2005-02-02 WO PCT/JP2005/001472 patent/WO2005116296A1/ja active Application Filing
- 2005-02-02 JP JP2006513807A patent/JP4725513B2/ja not_active Expired - Lifetime
- 2005-03-01 CN CNB2005100517610A patent/CN100395199C/zh not_active Expired - Fee Related
- 2005-03-08 TW TW094107049A patent/TW200538405A/zh not_active IP Right Cessation
- 2005-04-22 MY MYPI20051786A patent/MY146543A/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61107998A (ja) * | 1984-10-31 | 1986-05-26 | Kurita Water Ind Ltd | スケ−ル防止剤 |
| JPS61118199A (ja) * | 1984-11-14 | 1986-06-05 | Kurita Water Ind Ltd | 水処理剤 |
| JPH0231894A (ja) * | 1988-07-22 | 1990-02-01 | Mitsubishi Gas Chem Co Inc | 冷却水系のスケール防止剤 |
| JPH06287777A (ja) * | 1993-04-01 | 1994-10-11 | Suido Kiko Kk | 水の腐食性を低下させる方法 |
| JP2003525104A (ja) * | 1999-06-16 | 2003-08-26 | ハーキュリーズ・インコーポレーテッド | 無機組成物に関係するスケーリングの防止方法およびそのための組成物 |
| JP2004107782A (ja) * | 2002-09-20 | 2004-04-08 | Kurita Water Ind Ltd | 防食方法 |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008249285A (ja) * | 2007-03-30 | 2008-10-16 | Hakuto Co Ltd | 開放循環式冷却水系の水処理方法及び開放循環式冷却水系用水処理剤 |
| CN102414798A (zh) * | 2009-04-27 | 2012-04-11 | 韩商Snu精密股份有限公司 | 原料供应单元、薄膜沉积装置及沉积薄膜的方法 |
| CN102414798B (zh) * | 2009-04-27 | 2014-05-14 | 韩商Snu精密股份有限公司 | 原料供应单元、薄膜沉积装置及沉积薄膜的方法 |
| CN101565660B (zh) * | 2009-06-02 | 2011-08-17 | 董宇新 | 一种有机除垢组合物及其制备方法和应用 |
| JP2011045861A (ja) * | 2009-08-28 | 2011-03-10 | Hakuto Co Ltd | 水処理剤および水処理方法 |
| JP2013188729A (ja) * | 2012-03-15 | 2013-09-26 | Kurita Water Ind Ltd | 蒸気発生器の鉄スケール防止剤及び防止方法 |
| US10384966B2 (en) | 2014-02-13 | 2019-08-20 | Kurita Water Industries Ltd. | Method for removing scale and scale remover in steam generating facility |
| WO2015122264A1 (ja) * | 2014-02-13 | 2015-08-20 | 栗田工業株式会社 | 蒸気発生設備のスケール除去方法及びスケール除去剤 |
| CN105347557A (zh) * | 2015-11-19 | 2016-02-24 | 四川省宜宾惠美线业有限责任公司 | 一种制冷机组在枯水期的冷却水处理系统 |
| CN105347557B (zh) * | 2015-11-19 | 2018-06-29 | 四川省宜宾惠美线业有限责任公司 | 一种制冷机组在枯水期的冷却水处理系统 |
| JP2017170348A (ja) * | 2016-03-24 | 2017-09-28 | 栗田工業株式会社 | 逆浸透膜用スケール防止剤及び逆浸透膜処理方法 |
| WO2017163455A1 (ja) * | 2016-03-24 | 2017-09-28 | 栗田工業株式会社 | 逆浸透膜用スケール防止剤及び逆浸透膜処理方法 |
| KR20180123004A (ko) * | 2016-03-24 | 2018-11-14 | 쿠리타 고교 가부시키가이샤 | 역침투막용 스케일 방지제 및 역침투막 처리 방법 |
| US10737221B2 (en) | 2016-03-24 | 2020-08-11 | Kurita Water Industries Ltd. | Scale inhibitor for reverse osmosis membranes and reverse osmosis membrane treatment method |
| KR102343154B1 (ko) | 2016-03-24 | 2021-12-23 | 쿠리타 고교 가부시키가이샤 | 역침투막용 스케일 방지제 및 역침투막 처리 방법 |
| JP2023066238A (ja) * | 2021-10-28 | 2023-05-15 | 伯東株式会社 | 初期処理方法 |
| JP7601147B1 (ja) | 2023-07-10 | 2024-12-17 | 栗田工業株式会社 | 密閉冷却水系のｐＨ制御方法及び装置 |
| JP2025010746A (ja) * | 2023-07-10 | 2025-01-23 | 栗田工業株式会社 | 密閉冷却水系のｐＨ制御方法及び装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100395199C (zh) | 2008-06-18 |
| CN1702047A (zh) | 2005-11-30 |
| TWI305765B (enrdf_load_stackoverflow) | 2009-02-01 |
| TW200538405A (en) | 2005-12-01 |
| JP4725513B2 (ja) | 2011-07-13 |
| JPWO2005116296A1 (ja) | 2008-04-03 |
| MY146543A (en) | 2012-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2005116296A1 (ja) | 冷却水の処理方法及び処理薬剤 | |
| JP5946363B2 (ja) | 水系におけるシリカ系スケールの防止方法及びスケール防止剤、並びにシリカ系スケールを抑制するとともに金属の腐食を抑制する水処理方法及び水処理剤 | |
| JP5769369B2 (ja) | 水処理剤および水処理方法 | |
| TW200400006A (en) | Composition for preventing formation of slime and process for preventing formation of slime | |
| JP5128839B2 (ja) | 開放循環式冷却水系の水処理方法及び開放循環式冷却水系用水処理剤 | |
| JP5680289B2 (ja) | 水処理剤および水処理方法 | |
| US4298568A (en) | Method and composition for inhibiting corrosion of nonferrous metals in contact with water | |
| JP5098378B2 (ja) | マグネシウム系スケール防止剤 | |
| JP2002054894A (ja) | 開放循環冷却水系の水処理方法及びその装置 | |
| JP4361812B2 (ja) | 開放循環冷却水系の処理方法 | |
| US4416785A (en) | Scale-inhibiting compositions of matter | |
| JPS63258697A (ja) | 水系における金属類のスケ−ル抑制を兼ねた腐食防止剤 | |
| US20050023506A1 (en) | Organic corrosion inhibitors and corrosion control methods for water systems | |
| JP2002294273A (ja) | 水系腐食防止剤組成物 | |
| KR100949354B1 (ko) | 고 전도도 수질에 적합한 수처리 방법 | |
| JP4019331B2 (ja) | 水処理剤 | |
| JP4126710B2 (ja) | 水処理剤及び水処理方法 | |
| JP2006167630A (ja) | 冷却水の処理方法 | |
| JP2003082479A (ja) | 防食剤及び方法 | |
| JP5686581B2 (ja) | 水処理剤及び水処理方法 | |
| JP7617550B2 (ja) | シリカ系スケール付着防止剤及びシリカ系スケール付着防止方法 | |
| JP4467046B2 (ja) | 金属腐食抑制剤 | |
| JP2004068080A (ja) | 水系の金属腐食抑制方法 | |
| JP2007144369A (ja) | 水系のスケール抑制剤およびスケール抑制方法 | |
| JP2003062596A (ja) | 水処理薬剤及び方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| WWE | Wipo information: entry into national phase |
Ref document number: 2006513807 Country of ref document: JP |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
| 122 | Ep: pct application non-entry in european phase |