DE2217644C3 - Verfahren zur Verminderung der Konzentration wasserlöslicher carboxylischer Verunreinigungen in chloridhaltigen Salzlösungen - Google Patents
Verfahren zur Verminderung der Konzentration wasserlöslicher carboxylischer Verunreinigungen in chloridhaltigen SalzlösungenInfo
- Publication number
- DE2217644C3 DE2217644C3 DE2217644A DE2217644A DE2217644C3 DE 2217644 C3 DE2217644 C3 DE 2217644C3 DE 2217644 A DE2217644 A DE 2217644A DE 2217644 A DE2217644 A DE 2217644A DE 2217644 C3 DE2217644 C3 DE 2217644C3
- Authority
- DE
- Germany
- Prior art keywords
- chlorine
- concentration
- salt solution
- solution
- carboxylic
- 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
Links
- 239000012266 salt solution Substances 0.000 title claims description 45
- 238000000034 method Methods 0.000 title claims description 24
- 239000012535 impurity Substances 0.000 title claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title claims description 7
- 239000000460 chlorine Substances 0.000 claims description 51
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 47
- 229910052801 chlorine Inorganic materials 0.000 claims description 47
- 150000001875 compounds Chemical class 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 78
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 42
- 239000000243 solution Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 17
- 239000011780 sodium chloride Substances 0.000 description 14
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 11
- 150000003839 salts Chemical class 0.000 description 10
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 9
- 239000002253 acid Substances 0.000 description 9
- 150000001735 carboxylic acids Chemical class 0.000 description 8
- 238000005660 chlorination reaction Methods 0.000 description 8
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 7
- 229910019093 NaOCl Inorganic materials 0.000 description 7
- 150000002430 hydrocarbons Chemical group 0.000 description 7
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 7
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 5
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000011368 organic material Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- -1 alkylene glycol Chemical compound 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 3
- 229940106681 chloroacetic acid Drugs 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 235000019260 propionic acid Nutrition 0.000 description 3
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 3
- 238000004448 titration Methods 0.000 description 3
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- MNWFXJYAOYHMED-UHFFFAOYSA-N hexane carboxylic acid Natural products CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- 239000005968 1-Decanol Substances 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 229910004373 HOAc Inorganic materials 0.000 description 1
- 101100496858 Mus musculus Colec12 gene Proteins 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- OPDVEGSRFDDNFJ-UHFFFAOYSA-N [Cl].CC Chemical class [Cl].CC OPDVEGSRFDDNFJ-UHFFFAOYSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940005605 valeric acid Drugs 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/123—Ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
-
- 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
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/20—Halides
-
- 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
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/20—Halides
- C01F11/24—Chlorides
- C01F11/32—Purification
-
- 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
- C01F5/00—Compounds of magnesium
- C01F5/26—Magnesium halides
- C01F5/30—Chlorides
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA138,979A CA971506A (en) | 1972-04-05 | 1972-04-05 | Treatment of brines by chlorination |
| FR7212821A FR2179569A1 (en) | 1972-04-05 | 1972-04-12 | Reducing carboxylic impurities in chloride-contg - salt solns - by light-catalysed chlorination |
| DE2217644A DE2217644C3 (de) | 1972-04-05 | 1972-04-12 | Verfahren zur Verminderung der Konzentration wasserlöslicher carboxylischer Verunreinigungen in chloridhaltigen Salzlösungen |
| JP3610872A JPS5548876B2 (Direct) | 1972-04-05 | 1972-04-12 | |
| NL7205214A NL7205214A (Direct) | 1972-04-05 | 1972-04-18 | |
| AU43835/72A AU462304B2 (en) | 1972-04-05 | 1972-06-23 | treatment OF BRINES BY CHLORINATION |
| BE192468A BE872953Q (fr) | 1972-04-05 | 1978-12-21 | Traitement des saumures par chloration |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA138,979A CA971506A (en) | 1972-04-05 | 1972-04-05 | Treatment of brines by chlorination |
| FR7212821A FR2179569A1 (en) | 1972-04-05 | 1972-04-12 | Reducing carboxylic impurities in chloride-contg - salt solns - by light-catalysed chlorination |
| DE2217644A DE2217644C3 (de) | 1972-04-05 | 1972-04-12 | Verfahren zur Verminderung der Konzentration wasserlöslicher carboxylischer Verunreinigungen in chloridhaltigen Salzlösungen |
| JP3610872A JPS5548876B2 (Direct) | 1972-04-05 | 1972-04-12 | |
| AU43835/72A AU462304B2 (en) | 1972-04-05 | 1972-06-23 | treatment OF BRINES BY CHLORINATION |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2217644A1 DE2217644A1 (de) | 1973-10-18 |
| DE2217644B2 DE2217644B2 (de) | 1980-05-22 |
| DE2217644C3 true DE2217644C3 (de) | 1981-02-05 |
Family
ID=27506906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2217644A Expired DE2217644C3 (de) | 1972-04-05 | 1972-04-12 | Verfahren zur Verminderung der Konzentration wasserlöslicher carboxylischer Verunreinigungen in chloridhaltigen Salzlösungen |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5548876B2 (Direct) |
| AU (1) | AU462304B2 (Direct) |
| BE (1) | BE872953Q (Direct) |
| CA (1) | CA971506A (Direct) |
| DE (1) | DE2217644C3 (Direct) |
| FR (1) | FR2179569A1 (Direct) |
| NL (1) | NL7205214A (Direct) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52128878A (en) * | 1976-04-22 | 1977-10-28 | Ebara Infilco Co Ltd | Treatment of waste liquid |
| US4126526A (en) * | 1977-11-16 | 1978-11-21 | The Lummus Company | Cyclic process for production of alkylene oxide using electrolysis of brine |
| JPS5698487A (en) * | 1980-01-10 | 1981-08-07 | Asahi Glass Co Ltd | Purification method of potassium chloride brine |
| US5571419A (en) * | 1993-02-03 | 1996-11-05 | Kurita Water Insustries Ltd. | Method of producing pure water |
-
1972
- 1972-04-05 CA CA138,979A patent/CA971506A/en not_active Expired
- 1972-04-12 DE DE2217644A patent/DE2217644C3/de not_active Expired
- 1972-04-12 JP JP3610872A patent/JPS5548876B2/ja not_active Expired
- 1972-04-12 FR FR7212821A patent/FR2179569A1/fr active Granted
- 1972-04-18 NL NL7205214A patent/NL7205214A/xx not_active Application Discontinuation
- 1972-06-23 AU AU43835/72A patent/AU462304B2/en not_active Expired
-
1978
- 1978-12-21 BE BE192468A patent/BE872953Q/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2179569B1 (Direct) | 1975-03-07 |
| AU4383572A (en) | 1974-01-03 |
| JPS494673A (Direct) | 1974-01-16 |
| BE872953Q (fr) | 1979-06-21 |
| DE2217644B2 (de) | 1980-05-22 |
| JPS5548876B2 (Direct) | 1980-12-09 |
| NL7205214A (Direct) | 1973-10-22 |
| AU462304B2 (en) | 1975-06-19 |
| FR2179569A1 (en) | 1973-11-23 |
| DE2217644A1 (de) | 1973-10-18 |
| CA971506A (en) | 1975-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69722332T2 (de) | Stabilisiertes alkalimetall- oder erdalkalimetallhypochlorit und verfahren zu dessen herstellung | |
| DE69317668T2 (de) | Methoden zur erzeugung von restdesinfektionsmittel während der ozonisierung von wasser | |
| DE2022390A1 (de) | Eine stabilisiertes Chlordioxid enthaltende waessrige Loesung | |
| DE4327804A1 (de) | Verfahren und Vorrichtung zur Zersetzung organischer, halogenhaltiger Verbindungen | |
| DE2217644C3 (de) | Verfahren zur Verminderung der Konzentration wasserlöslicher carboxylischer Verunreinigungen in chloridhaltigen Salzlösungen | |
| EP3180120A2 (de) | Verfahren zur in-situ-regenerierung von mit trihalomethanen beladenen aktivkohlen durch alkalische hydrolyse | |
| DE69933030T2 (de) | Verfahren zur hemmung von korrosion unter verwendung von isomeren des chlormethylbenzotriazols | |
| DE2457989A1 (de) | Verfahren zur entfernung chlorierter isocyanuratverbindungen aus waessrigen abwaessern | |
| DE2646455C2 (Direct) | ||
| DE2703592C3 (Direct) | ||
| DE3218599A1 (de) | Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)0(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen | |
| DE3913710A1 (de) | Verfahren zur entfernung von hypohalogenit oder unterhalogeniger saeure aus waessrigen loesungen | |
| US3767776A (en) | Process for the recovery of iodine | |
| CH643216A5 (de) | Verfahren zur rueckgewinnung von brom aus abfallfluessigkeit. | |
| DE69004544T2 (de) | Verfahren zur minderung des cyanidgehaltes einer lösung. | |
| DE2340842C3 (de) | Verfahren zur Entfernung von Quecksilber aus hochkonzentrierter Schwefelsäure | |
| DE1161248B (de) | Verfahren zur Reinigung von rohem Tetrachlorkohlenstoff | |
| DE10306967B4 (de) | Verfahren zur Entfernung von Halogenierungsprodukten in gechlortem Wasser | |
| WO2021219587A1 (de) | Wässerige chlordioxid-lösungen und verfahren zur herstellung derselben | |
| DE2637770A1 (de) | Erzeugung chlorierter kohlenwasserstoffe | |
| DE1543101A1 (de) | Verfahren zum Reinigen von 2,2,2-Trifluor-1-chlor-1-bromaethan | |
| DE943646C (de) | Verfahren zur Verhinderung der Verfaerbung von einsehaltigem Hexachlorcyclohexan | |
| DE869194C (de) | Verfahren zur Herstellung von wasserloeslichen Chloriten | |
| DE695316C (de) | Verfahren zur Reinigung von chlorierten Kohlenwasserstoffen | |
| DE2920448C3 (de) | Verfahren zur Entfernung von Nitrosierungsmittel (n) aus nitrierten aromatischen Verbindungen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |