DE69730697T2 - Verfahren und vorrichtung zur herstellung von chlordioxid - Google Patents
Verfahren und vorrichtung zur herstellung von chlordioxid Download PDFInfo
- Publication number
- DE69730697T2 DE69730697T2 DE69730697T DE69730697T DE69730697T2 DE 69730697 T2 DE69730697 T2 DE 69730697T2 DE 69730697 T DE69730697 T DE 69730697T DE 69730697 T DE69730697 T DE 69730697T DE 69730697 T2 DE69730697 T2 DE 69730697T2
- Authority
- DE
- Germany
- Prior art keywords
- acid
- chlorine dioxide
- solution
- aqueous
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 title claims abstract description 473
- 235000019398 chlorine dioxide Nutrition 0.000 title claims abstract description 237
- 239000004155 Chlorine dioxide Substances 0.000 title claims abstract description 234
- 238000000034 method Methods 0.000 title claims abstract description 129
- 238000006243 chemical reaction Methods 0.000 claims abstract description 238
- 239000002253 acid Substances 0.000 claims abstract description 192
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 138
- -1 alkali metal salt Chemical class 0.000 claims abstract description 67
- 230000008569 process Effects 0.000 claims abstract description 63
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 54
- 239000000460 chlorine Substances 0.000 claims abstract description 53
- QBWCMBCROVPCKQ-UHFFFAOYSA-M chlorite Chemical compound [O-]Cl=O QBWCMBCROVPCKQ-UHFFFAOYSA-M 0.000 claims abstract description 53
- 229940005993 chlorite ion Drugs 0.000 claims abstract description 53
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims abstract description 52
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 43
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229940077239 chlorous acid Drugs 0.000 claims abstract description 21
- 150000003839 salts Chemical class 0.000 claims abstract description 20
- 230000000249 desinfective effect Effects 0.000 claims abstract description 11
- 238000012546 transfer Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 103
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 38
- 238000002156 mixing Methods 0.000 claims description 38
- 238000003860 storage Methods 0.000 claims description 38
- 239000011260 aqueous acid Substances 0.000 claims description 35
- 239000011261 inert gas Substances 0.000 claims description 34
- 238000004519 manufacturing process Methods 0.000 claims description 34
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 32
- 238000002360 preparation method Methods 0.000 claims description 32
- 239000012159 carrier gas Substances 0.000 claims description 24
- 150000007524 organic acids Chemical class 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 22
- 150000007513 acids Chemical class 0.000 claims description 19
- 239000006096 absorbing agent Substances 0.000 claims description 17
- 239000004310 lactic acid Substances 0.000 claims description 16
- 235000014655 lactic acid Nutrition 0.000 claims description 16
- 229910001919 chlorite Inorganic materials 0.000 claims description 15
- 229910052619 chlorite group Inorganic materials 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 9
- 239000000356 contaminant Substances 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000010924 continuous production Methods 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 23
- 239000006227 byproduct Substances 0.000 abstract description 16
- 239000011780 sodium chloride Substances 0.000 abstract description 11
- 239000000243 solution Substances 0.000 description 218
- 239000000047 product Substances 0.000 description 122
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 48
- 229940060038 chlorine Drugs 0.000 description 39
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 32
- 230000007246 mechanism Effects 0.000 description 31
- 229960002218 sodium chlorite Drugs 0.000 description 31
- 238000005755 formation reaction Methods 0.000 description 23
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 23
- 230000015572 biosynthetic process Effects 0.000 description 22
- 239000000376 reactant Substances 0.000 description 22
- 229910052757 nitrogen Inorganic materials 0.000 description 18
- 230000000694 effects Effects 0.000 description 16
- 239000011541 reaction mixture Substances 0.000 description 16
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 239000007864 aqueous solution Substances 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 239000003570 air Substances 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 230000002829 reductive effect Effects 0.000 description 9
- 230000035484 reaction time Effects 0.000 description 8
- 238000004659 sterilization and disinfection Methods 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 6
- 239000012736 aqueous medium Substances 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 238000011109 contamination Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- 239000005708 Sodium hypochlorite Substances 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-O oxonium Chemical compound [OH3+] XLYOFNOQVPJJNP-UHFFFAOYSA-O 0.000 description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- 229910019093 NaOCl Inorganic materials 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000029219 regulation of pH Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- CYDQOEWLBCCFJZ-UHFFFAOYSA-N 4-(4-fluorophenyl)oxane-4-carboxylic acid Chemical compound C=1C=C(F)C=CC=1C1(C(=O)O)CCOCC1 CYDQOEWLBCCFJZ-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 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
- 241000196324 Embryophyta Species 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000015165 citric acid Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 230000002550 fecal effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000001540 sodium lactate Substances 0.000 description 2
- 235000011088 sodium lactate Nutrition 0.000 description 2
- 229940005581 sodium lactate Drugs 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- SJZRECIVHVDYJC-UHFFFAOYSA-N 4-hydroxybutyric acid Chemical compound OCCCC(O)=O SJZRECIVHVDYJC-UHFFFAOYSA-N 0.000 description 1
- 241000227272 Agarista populifolia Species 0.000 description 1
- 0 C[C@@](C1CCC(C*)CC1)C1(C)CC(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)CCC(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C1 Chemical compound C[C@@](C1CCC(C*)CC1)C1(C)CC(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)CCC(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C(C)C1 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241001342895 Chorus Species 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
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000002353 algacidal effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
- 229940005991 chloric acid Drugs 0.000 description 1
- 230000001332 colony forming effect Effects 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- HAORKNGNJCEJBX-UHFFFAOYSA-N cyprodinil Chemical compound N=1C(C)=CC(C2CC2)=NC=1NC1=CC=CC=C1 HAORKNGNJCEJBX-UHFFFAOYSA-N 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Chemical compound CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000014366 other mixer Nutrition 0.000 description 1
- 235000020030 perry Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 description 1
- VISKNDGJUCDNMS-UHFFFAOYSA-M potassium;chlorite Chemical compound [K+].[O-]Cl=O VISKNDGJUCDNMS-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/02—Oxides of chlorine
- C01B11/022—Chlorine dioxide (ClO2)
- C01B11/023—Preparation from chlorites or chlorates
- C01B11/024—Preparation from chlorites or chlorates from chlorites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/02—Oxides of chlorine
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/685—Devices for dosing the additives
- C02F1/686—Devices for dosing liquid additives
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Studio Devices (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US606283 | 1996-02-23 | ||
| US08/606,283 US5855861A (en) | 1996-02-23 | 1996-02-23 | Method and apparatus for making aqueous chlorine dioxide |
| PCT/US1997/002157 WO1997030931A1 (en) | 1996-02-23 | 1997-02-21 | Method and apparatus for making aqueous chlorine dioxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69730697D1 DE69730697D1 (de) | 2004-10-21 |
| DE69730697T2 true DE69730697T2 (de) | 2005-08-18 |
Family
ID=24427338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69730697T Expired - Fee Related DE69730697T2 (de) | 1996-02-23 | 1997-02-21 | Verfahren und vorrichtung zur herstellung von chlordioxid |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US5855861A (enExample) |
| EP (1) | EP0881985B1 (enExample) |
| JP (1) | JP2000505037A (enExample) |
| KR (1) | KR100511080B1 (enExample) |
| CN (2) | CN1232447C (enExample) |
| AT (1) | ATE276197T1 (enExample) |
| AU (1) | AU727834B2 (enExample) |
| BR (1) | BR9707701A (enExample) |
| CA (1) | CA2247012A1 (enExample) |
| DE (1) | DE69730697T2 (enExample) |
| ES (1) | ES2229337T3 (enExample) |
| IL (1) | IL125871A0 (enExample) |
| NO (1) | NO983867L (enExample) |
| NZ (1) | NZ331593A (enExample) |
| TR (1) | TR199801640T2 (enExample) |
| WO (1) | WO1997030931A1 (enExample) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0001439D0 (en) * | 2000-01-21 | 2000-03-08 | R P Adam Limited | Method of controlling microbiological activity in water storage tanks and apparatus for use in such method |
| US7922984B2 (en) * | 2000-02-18 | 2011-04-12 | Selective Micro Technologies, Llc | Apparatus and method for controlled delivery of a gas |
| WO2001060750A2 (en) | 2000-02-18 | 2001-08-23 | Selective Micro Technologies, Llc | Apparatus and method for controlled delivery of a gas |
| US6607696B1 (en) | 2000-02-18 | 2003-08-19 | Selective Micro Technologies, Llc | Apparatus and method for controlled delivery of a gas |
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-
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- 1996-02-23 US US08/606,283 patent/US5855861A/en not_active Expired - Lifetime
-
1997
- 1997-02-21 NZ NZ331593A patent/NZ331593A/xx unknown
- 1997-02-21 AT AT97907598T patent/ATE276197T1/de not_active IP Right Cessation
- 1997-02-21 CN CNB200310102810XA patent/CN1232447C/zh not_active Expired - Fee Related
- 1997-02-21 WO PCT/US1997/002157 patent/WO1997030931A1/en not_active Ceased
- 1997-02-21 EP EP97907598A patent/EP0881985B1/en not_active Expired - Lifetime
- 1997-02-21 KR KR10-1998-0706737A patent/KR100511080B1/ko not_active Expired - Fee Related
- 1997-02-21 BR BR9707701-1A patent/BR9707701A/pt not_active IP Right Cessation
- 1997-02-21 JP JP9530209A patent/JP2000505037A/ja not_active Ceased
- 1997-02-21 ES ES97907598T patent/ES2229337T3/es not_active Expired - Lifetime
- 1997-02-21 IL IL12587197A patent/IL125871A0/xx unknown
- 1997-02-21 TR TR1998/01640T patent/TR199801640T2/xx unknown
- 1997-02-21 AU AU19563/97A patent/AU727834B2/en not_active Ceased
- 1997-02-21 DE DE69730697T patent/DE69730697T2/de not_active Expired - Fee Related
- 1997-02-21 CN CN97193931A patent/CN1130306C/zh not_active Expired - Fee Related
- 1997-02-21 CA CA002247012A patent/CA2247012A1/en not_active Abandoned
-
1998
- 1998-08-21 NO NO983867A patent/NO983867L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1515506A (zh) | 2004-07-28 |
| NO983867D0 (no) | 1998-08-21 |
| US5855861A (en) | 1999-01-05 |
| BR9707701A (pt) | 2000-01-04 |
| DE69730697D1 (de) | 2004-10-21 |
| ES2229337T3 (es) | 2005-04-16 |
| TR199801640T2 (xx) | 1998-11-23 |
| CN1130306C (zh) | 2003-12-10 |
| CA2247012A1 (en) | 1997-08-28 |
| EP0881985A1 (en) | 1998-12-09 |
| IL125871A0 (en) | 1999-04-11 |
| ATE276197T1 (de) | 2004-10-15 |
| KR19990087328A (ko) | 1999-12-27 |
| AU727834B2 (en) | 2001-01-04 |
| EP0881985B1 (en) | 2004-09-15 |
| AU1956397A (en) | 1997-09-10 |
| NZ331593A (en) | 2000-04-28 |
| CN1216514A (zh) | 1999-05-12 |
| KR100511080B1 (ko) | 2005-12-21 |
| JP2000505037A (ja) | 2000-04-25 |
| CN1232447C (zh) | 2005-12-21 |
| NO983867L (no) | 1998-10-23 |
| WO1997030931A1 (en) | 1997-08-28 |
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