GB1053238A - - Google Patents
Info
- Publication number
- GB1053238A GB1053238A GB1053238DA GB1053238A GB 1053238 A GB1053238 A GB 1053238A GB 1053238D A GB1053238D A GB 1053238DA GB 1053238 A GB1053238 A GB 1053238A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plug
- oxygen
- heated zone
- stream
- aqueous system
- 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.)
- Active
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 8
- 229910052760 oxygen Inorganic materials 0.000 abstract 8
- 239000001301 oxygen Substances 0.000 abstract 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 4
- 229910052799 carbon Inorganic materials 0.000 abstract 4
- 238000002485 combustion reaction Methods 0.000 abstract 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 3
- 238000001816 cooling Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 229910052697 platinum Inorganic materials 0.000 abstract 2
- 238000010408 sweeping Methods 0.000 abstract 2
- 238000011144 upstream manufacturing Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- 239000012494 Quartz wool Substances 0.000 abstract 1
- 229910052776 Thorium Inorganic materials 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 abstract 1
- 239000010425 asbestos Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000002657 fibrous material Substances 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000008262 pumice Substances 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- 229910052895 riebeckite Inorganic materials 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052723 transition metal Inorganic materials 0.000 abstract 1
- 229910000314 transition metal oxide Inorganic materials 0.000 abstract 1
- 150000003624 transition metals Chemical class 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- G01N33/1826—Organic contamination in water
- G01N33/1846—Total carbon analysis
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Combustion & Propulsion (AREA)
- Molecular Biology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
1,053,238. Analysing carbon in aqueous systems. DOW CHEMICAL CO. Oct. 11, 1963 [Oct. 22, 1962], No. 40161/63. Heading B1X. The total carbon content of an aqueous system containing a small amount of highly dispersed carbonaecous matter, is rapidly determined by passing a stream of oxygen at a constant flow rate through a combustion conduit having a heated zone at 700‹ to 1,100‹C. with a gas-permeable diffusing plug at least 1/5 of the distance along the heated zone from the oxygen input end, injecting a predetermined amount of the aqueous system into the oxygen stream within the heated zone on the upstream side of the plug, sweeping the gaseous product through the plug into a cooling zone, removing the condensate from the product stream and sweeping the cooled product to an analyzer for quantitatively determining the CO 2 content of the gaseous product. The diffusing plug is preferably positioned 1/2 to 3/4 of the way through the heated zone but in such a position to provide a substantial blanket of oxygen upstream of the plug. The plug which may be 0.5 to 10cm. long and 1 to 4cm. dia., may be constructed of compacted granular or fibrous materials which are inert to oxygen and steam, e.g. quartz wool, quartz chips, sand, pumice and similar siliceous materials, also finely divided transition metals, e.g. Ni, G, MN or Pt; and transition metal oxides, e.g. of Cu, Co, MN, V, Ce or Th. In the specific embodiment ignited asbestos fibres are used. The aqueous system may contain 2 to 500 ppm of highly dispersed carbon aceous matter while the sample volume may be 0.005 to 0.5% of the volume of the heated zone. Preferably the sample is injected into the oxygen stream parallel to the longitudinal axis of the conduit. Details of the combustion conduit dimensions, oxygen stream flow rates and preferred temperatures are given. In an example a conduit of siliceous material is used and a platinum gauze is placed downstream of the plug. The gaseous products may be cooled by either air or water while the CO 2 analyser is preferably an I.R. detector. An apparatus according to the invention and a method of introducing the sample into the combustion zone are disclosed and illustrated with figures. Inorganic carbon present as carbonate may be removed from the aqueous system by acidifying, thus giving the total organic C present. The use of the method and apparatus to analyse carbonaceous matter in polluted water is mentioned. The diffusing plug is said to contain sufficient adsorbed oxygen and stored heat to promote complete oxidation of the carbonaceous matter. agitator 111 scrape the insides of the cooling jacket.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23210762A | 1962-10-22 | 1962-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1053238A true GB1053238A (en) |
Family
ID=22871903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1053238D Active GB1053238A (en) | 1962-10-22 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4925236B1 (en) |
| BE (1) | BE638934A (en) |
| CH (1) | CH436782A (en) |
| DE (1) | DE1498687C3 (en) |
| GB (1) | GB1053238A (en) |
| LU (1) | LU44652A1 (en) |
| NL (1) | NL299502A (en) |
| SE (1) | SE308217B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127393A (en) * | 1974-08-30 | 1976-03-06 | Sumitomo Chemical Co | Zenjukitansoryo no sokuteihoho |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2362773C2 (en) * | 1973-12-17 | 1982-12-30 | Sontheimer, Heinrich, Prof. Dr., 7500 Karlsruhe | Method and device for the determination of organically bound carbon in water by photochemical oxidation |
| JPS53141830U (en) * | 1977-04-15 | 1978-11-09 | ||
| CN110702839B (en) * | 2019-09-17 | 2021-03-02 | 珠海格力电器股份有限公司 | Method and device for detecting gas pollutants |
-
0
- NL NL299502D patent/NL299502A/xx unknown
- BE BE638934D patent/BE638934A/xx unknown
- GB GB1053238D patent/GB1053238A/en active Active
-
1963
- 1963-10-11 DE DE19631498687 patent/DE1498687C3/en not_active Expired
- 1963-10-18 LU LU44652D patent/LU44652A1/xx unknown
- 1963-10-21 CH CH1290263A patent/CH436782A/en unknown
- 1963-10-22 JP JP5601663A patent/JPS4925236B1/ja active Pending
- 1963-10-22 SE SE1156863A patent/SE308217B/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127393A (en) * | 1974-08-30 | 1976-03-06 | Sumitomo Chemical Co | Zenjukitansoryo no sokuteihoho |
| JPS526639B2 (en) * | 1974-08-30 | 1977-02-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4925236B1 (en) | 1974-06-28 |
| DE1498687B2 (en) | 1973-09-13 |
| LU44652A1 (en) | 1964-04-18 |
| BE638934A (en) | |
| NL299502A (en) | |
| CH436782A (en) | 1967-05-31 |
| SE308217B (en) | 1969-02-03 |
| DE1498687A1 (en) | 1969-01-16 |
| DE1498687C3 (en) | 1974-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3296435A (en) | Method and apparatus for determining the total carbon content of aqueous systems | |
| US3545931A (en) | Ammonia analysis system | |
| US4066402A (en) | Analytical method and apparatus for determination of total nitrogen and/or carbon contents in aqueous systems | |
| US4533364A (en) | Method for flue gas conditioning with the decomposition products of ammonium sulfate or ammonium bisulfate | |
| Cooper et al. | Investigation of ultraviolet light-enhanced H 2 O 2 oxidation of NO x emissions | |
| EP0670490A3 (en) | Method and apparatus for measuring a gaseous medium with a chemical sensor. | |
| US4332591A (en) | Analytical method and apparatus for the determination of total nitrogen contents in aqueous systems | |
| GB1017940A (en) | An apparatus and a method for detecting the presence of hydrogen in a gaseous sample | |
| GB1053238A (en) | ||
| DE3576403D1 (en) | METHOD AND DEVICE FOR ANALYZING AND CONTROLLING. | |
| US4304752A (en) | Detection of tracer materials in the atmosphere | |
| US3224838A (en) | Gas testing | |
| US3459938A (en) | Method and apparatus for determining the inorganic carbon content in a liquid | |
| GB952155A (en) | Improvements relating to the quantitative analysis of gaseous mixtures | |
| DE1598361C3 (en) | Method for determining the inorganic carbon content of a liquid | |
| Glaschick-Schimpf et al. | A kinetic study of the reactions of HO2/DO2 radicals with nitric oxide using near-infrared chemiluminescence detection | |
| GB1071500A (en) | Monitoring a gas stream | |
| US2801898A (en) | Treatment of ammonia-contaminated air | |
| KR900016395A (en) | How to control the size and structure of carbon black aggregates | |
| GB1169373A (en) | Method and apparatus for Determining the Oxygen Demand of Oxidizable Materials | |
| GB1017927A (en) | Carbon black process and apparatus | |
| CA1054036A (en) | Analytical method and apparatus for determination of total nitrogen and/or carbon contents in aqueous systems | |
| GB1172262A (en) | An Improved Method for Continuously Determining Concentrations of Gaseous Halogenated Organic Compounds and of Hydrogen Halide in Air or in Other Gases | |
| US3399038A (en) | Apparatus for determining sulfur content of gaseous hydrocarbons | |
| Napier et al. | Catalytic oxidation of sulphur dioxide at low concentrations |