DE2512718A1 - Verfahren zum zerstoeren von harnstoff in einem anionen, kationen und harnstoff enthaltenden waessrigen strom - Google Patents
Verfahren zum zerstoeren von harnstoff in einem anionen, kationen und harnstoff enthaltenden waessrigen stromInfo
- Publication number
- DE2512718A1 DE2512718A1 DE19752512718 DE2512718A DE2512718A1 DE 2512718 A1 DE2512718 A1 DE 2512718A1 DE 19752512718 DE19752512718 DE 19752512718 DE 2512718 A DE2512718 A DE 2512718A DE 2512718 A1 DE2512718 A1 DE 2512718A1
- Authority
- DE
- Germany
- Prior art keywords
- urea
- cations
- stream
- exchange resin
- aqueous
- 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.)
- Withdrawn
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 47
- 239000004202 carbamide Substances 0.000 title claims description 47
- 238000000034 method Methods 0.000 title claims description 22
- 150000001768 cations Chemical class 0.000 title claims description 20
- 150000001450 anions Chemical class 0.000 title claims description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 31
- 239000003729 cation exchange resin Substances 0.000 claims description 20
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical class C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 150000002826 nitrites Chemical class 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003957 anion exchange resin Substances 0.000 claims description 7
- 229910001868 water Inorganic materials 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 description 14
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Substances [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 7
- -1 nitrite ions Chemical class 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- PNNCWTXUWKENPE-UHFFFAOYSA-N [N].NC(N)=O Chemical compound [N].NC(N)=O PNNCWTXUWKENPE-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 235000010288 sodium nitrite Nutrition 0.000 description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 3
- ODUCDPQEXGNKDN-UHFFFAOYSA-N Nitrogen oxide(NO) Natural products O=N ODUCDPQEXGNKDN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 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 1
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 229940023913 cation exchange resins Drugs 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229940005654 nitrite ion Drugs 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000004304 potassium nitrite Substances 0.000 description 1
- 235000010289 potassium nitrite Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46347674A | 1974-04-24 | 1974-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2512718A1 true DE2512718A1 (de) | 1975-11-06 |
Family
ID=23840226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752512718 Withdrawn DE2512718A1 (de) | 1974-04-24 | 1975-03-22 | Verfahren zum zerstoeren von harnstoff in einem anionen, kationen und harnstoff enthaltenden waessrigen strom |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4188292A (enExample) |
| JP (1) | JPS50139549A (enExample) |
| BE (1) | BE828141A (enExample) |
| CA (1) | CA1046665A (enExample) |
| DE (1) | DE2512718A1 (enExample) |
| FR (1) | FR2268759A1 (enExample) |
| IT (1) | IT1034767B (enExample) |
| NL (1) | NL7504477A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT396920B (de) * | 1988-05-02 | 1993-12-27 | Wieland Edelmetalle | Vorrichtung zur behandlung nitrithaltiger abwässer |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3044602A1 (de) * | 1980-11-27 | 1982-07-01 | Uhde Gmbh, 4600 Dortmund | Verfahren zur aufbereitung von kondensat aus harnstoff-produktionsanlagen |
| FR2632808B1 (fr) * | 1988-06-15 | 1996-08-02 | Sofrechim | Procede de traitement depolluant des lisiers |
| US5994444A (en) * | 1997-10-16 | 1999-11-30 | Medtronic, Inc. | Polymeric material that releases nitric oxide |
| JP2006068680A (ja) * | 2004-09-03 | 2006-03-16 | Purearth Inc | 脱硝用還元剤組成物およびその製造方法 |
| CA2698026C (en) * | 2007-08-29 | 2013-06-11 | Colonial Chemical Company | Method and system for removing impurities from a urea solution |
| CN106029579A (zh) * | 2013-11-11 | 2016-10-12 | 菲利普.赖琴 | 从水去除尿素的方法 |
| SG11202004963YA (en) * | 2017-11-28 | 2020-06-29 | Organo Corp | Analysis method and analysis apparatus for urea |
| CN109553679B (zh) * | 2019-02-19 | 2019-08-23 | 上海医药集团股份有限公司 | 高纯度乌司他丁及其制备方法和含有乌司他丁的药物组合物 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2744840A (en) * | 1950-06-16 | 1956-05-08 | Holly Sugar Corp | Sugar purification ion exchange method and apparatus |
| FR1337578A (fr) * | 1962-08-25 | 1963-09-13 | Procédé de régénération des résines cationiques | |
| US3313726A (en) * | 1963-06-24 | 1967-04-11 | Monsanto Co | Process for regenerating ion exchange resins |
| US3655395A (en) * | 1969-01-10 | 1972-04-11 | John N Karnemaat | Process for treating waste materials |
| US3755088A (en) * | 1969-08-04 | 1973-08-28 | Hydro Chem & Mineral Corp | Internally interconnected multi-stage distillation system |
-
1975
- 1975-03-06 CA CA221,425A patent/CA1046665A/en not_active Expired
- 1975-03-22 DE DE19752512718 patent/DE2512718A1/de not_active Withdrawn
- 1975-03-27 JP JP50037379A patent/JPS50139549A/ja active Pending
- 1975-04-01 IT IT21904/75A patent/IT1034767B/it active
- 1975-04-15 NL NL7504477A patent/NL7504477A/xx not_active Application Discontinuation
- 1975-04-18 BE BE155576A patent/BE828141A/xx unknown
- 1975-04-23 FR FR7512607A patent/FR2268759A1/fr active Granted
-
1977
- 1977-10-31 US US05/847,201 patent/US4188292A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT396920B (de) * | 1988-05-02 | 1993-12-27 | Wieland Edelmetalle | Vorrichtung zur behandlung nitrithaltiger abwässer |
Also Published As
| Publication number | Publication date |
|---|---|
| BE828141A (fr) | 1975-10-20 |
| CA1046665A (en) | 1979-01-16 |
| FR2268759A1 (en) | 1975-11-21 |
| US4188292A (en) | 1980-02-12 |
| NL7504477A (nl) | 1975-10-28 |
| IT1034767B (it) | 1979-10-10 |
| JPS50139549A (enExample) | 1975-11-07 |
| FR2268759B1 (enExample) | 1982-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8126 | Change of the secondary classification |
Free format text: C02F 1/42 C02F 1/58 |
|
| 8110 | Request for examination paragraph 44 | ||
| 8130 | Withdrawal |