DD144961A5 - Verfahren zum quantitativen bestimmen des sauerstoffbedarfs von wasser - Google Patents
Verfahren zum quantitativen bestimmen des sauerstoffbedarfs von wasser Download PDFInfo
- Publication number
- DD144961A5 DD144961A5 DD79214466A DD21446679A DD144961A5 DD 144961 A5 DD144961 A5 DD 144961A5 DD 79214466 A DD79214466 A DD 79214466A DD 21446679 A DD21446679 A DD 21446679A DD 144961 A5 DD144961 A5 DD 144961A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- oxygen
- water
- containing gas
- water vapor
- gas
- Prior art date
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 50
- 239000001301 oxygen Substances 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 12
- 239000007789 gas Substances 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000012159 carrier gas Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims 1
- 239000012476 oxidizable substance Substances 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Combustion & Propulsion (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biomedical Technology (AREA)
- Emergency Medicine (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782832043 DE2832043A1 (de) | 1978-07-21 | 1978-07-21 | Verfahren zum quantitativen bestimmen des sauerstoffbedarfs von oxidierbare stoffe enthaltendem wasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD144961A5 true DD144961A5 (de) | 1980-11-12 |
Family
ID=6044979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD79214466A DD144961A5 (de) | 1978-07-21 | 1979-07-19 | Verfahren zum quantitativen bestimmen des sauerstoffbedarfs von wasser |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4244695A (da) |
| EP (1) | EP0007521B1 (da) |
| JP (1) | JPS5517496A (da) |
| AT (1) | ATE562T1 (da) |
| CA (1) | CA1120838A (da) |
| DD (1) | DD144961A5 (da) |
| DE (2) | DE2832043A1 (da) |
| DK (1) | DK308179A (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5531960A (en) * | 1994-11-28 | 1996-07-02 | Madison Metropolitan Sewerage District | Automated dissolved oxygen and biochemical oxygen demand analyzer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560156A (en) * | 1965-05-03 | 1971-02-02 | Dow Chemical Co | Determining the oxygen demand of combustible materials in aqueous dispersions |
| US3607071A (en) * | 1970-03-23 | 1971-09-21 | Procedyne Corp | Continuous total organic carbon analyzer and method |
| BE786000R (fr) * | 1970-10-30 | 1973-01-08 | Dow Chemical Co | Determination de la demande en oxygene de matieres combustiblesen dispersions |
| NL7105976A (da) * | 1971-04-30 | 1972-11-01 | ||
| JPS5315397B2 (da) * | 1972-05-02 | 1978-05-24 | ||
| US3958937A (en) * | 1973-06-07 | 1976-05-25 | Toray Industries, Inc. | Method and apparatus for determining total oxygen demand of combustible materials in aqueous dispersion |
| US4074973A (en) * | 1975-02-08 | 1978-02-21 | Toray Industries, Inc. | Method and apparatus for determining total oxygen demand of combustible materials in aqueous dispersion |
-
1978
- 1978-07-21 DE DE19782832043 patent/DE2832043A1/de not_active Withdrawn
-
1979
- 1979-07-11 AT AT79102382T patent/ATE562T1/de not_active IP Right Cessation
- 1979-07-11 EP EP79102382A patent/EP0007521B1/de not_active Expired
- 1979-07-11 DE DE7979102382T patent/DE2961821D1/de not_active Expired
- 1979-07-19 JP JP9105279A patent/JPS5517496A/ja active Pending
- 1979-07-19 DD DD79214466A patent/DD144961A5/de unknown
- 1979-07-19 US US06/058,849 patent/US4244695A/en not_active Expired - Lifetime
- 1979-07-20 DK DK308179A patent/DK308179A/da not_active Application Discontinuation
- 1979-07-20 CA CA000332216A patent/CA1120838A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ATE562T1 (de) | 1982-01-15 |
| DE2961821D1 (en) | 1982-02-25 |
| JPS5517496A (en) | 1980-02-06 |
| EP0007521A1 (de) | 1980-02-06 |
| EP0007521B1 (de) | 1982-01-13 |
| CA1120838A (en) | 1982-03-30 |
| US4244695A (en) | 1981-01-13 |
| DK308179A (da) | 1980-01-22 |
| DE2832043A1 (de) | 1980-01-31 |
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