JP2010523938A - 水性媒体中の溶存物質の濃度のモニタリング法 - Google Patents
水性媒体中の溶存物質の濃度のモニタリング法 Download PDFInfo
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- 239000012736 aqueous medium Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000126 substance Substances 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 title claims abstract description 8
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 50
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 239000013626 chemical specie Substances 0.000 claims abstract description 20
- 230000036962 time dependent Effects 0.000 claims abstract description 7
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 238000001704 evaporation Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 89
- 238000011109 contamination Methods 0.000 claims description 18
- 239000012159 carrier gas Substances 0.000 claims description 15
- 238000010926 purge Methods 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical group O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 4
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- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
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- 239000000356 contaminant Substances 0.000 claims 1
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- 239000000047 product Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
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- 239000003570 air Substances 0.000 description 2
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- 230000002123 temporal effect Effects 0.000 description 2
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 239000003344 environmental pollutant Substances 0.000 description 1
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- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
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- 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
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/176152—Total nitrogen determined
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/177692—Oxides of nitrogen
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/23—Carbon containing
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/23—Carbon containing
- Y10T436/235—In an aqueous solution [e.g., TOC, etc.]
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Abstract
Description
Claims (14)
- 高温反応室と測定室を含む分析装置の気体循環系内に規定量の水性媒体を導入するステップであり、前記気体循環系は前記高温反応室と前記測定室を通ってのび、前記水性媒体は、前記高温反応室よりも上流、もしくはその中に導入される、ステップと、
前記高温反応室内で前記水性媒体を蒸発させるステップと、
前記高温反応室内で溶存物質を少なくとも一種の反応相手と反応させ、気体反応生成物を得るステップと、
前記気体循環系内の前記反応生成物の化学種の濃度の関数である、測定変数の現在値を記録するステップであり、前記気体循環系内の前記反応生成物の前記化学種の前記濃度は、一方では時間依存性の前記気体循環系の状態に依存し、他方では前記水性媒体中の物質の濃度に依存する、ステップと、
前記測定変数の前記現在値を適用することによって、前記水性媒体中の前記物質の前記濃度を確認するステップと、
を含み、
前記水性媒体中の前記物質の前記濃度を確認する前記ステップにおいて、前記気体循環系の前記状態による、前記気体循環系内の前記反応生成物の前記化学種の前記濃度への影響は、前記状態のモデルに基づいて確認され、この影響に基づいて、前記気体循環系内の前記反応生成物の前記化学種の前記濃度の補正がなされることを特徴とする、
水性媒体中の溶存物質の濃度をモニタリングするための方法。 - 前記気体循環系の清浄状態を作り出すために、前記気体循環系は、無視できるほどの不純物の可能性を除き、所定時間に、もしくは状態依存的に、前記反応生成物の前記化学種を含まない搬送ガスでパージされる、請求項1記載の方法。
- 前記気体循環系内の前記反応生成物の前記化学種の濃度を確認するために、前記測定変数の現在値は、前記搬送ガスでの前記パージの直後、かつ前記水性媒体の新たな導入前に、基準値として、特に前記気体循環系の清浄状態を説明するためのゼロ点として記録される、請求項2記載の方法。
- 前記反応生成物の前記化学種は、前記分析装置の環境から、前記気体循環系内の汚染物質として得ることができ、前記モデルは前記気体循環系内の前記反応生成物の前記化学種の前記濃度の時間依存性変化を説明する、請求項1から3のいずれか一項に記載の方法。
- 前記搬送ガスでのパージ後、汚染の時間挙動をモデリングするための現在データを得るために、前記水性媒体の追加試料を導入することなく、前記測定変数の時間挙動が観察される、請求項2および4に記載の方法。
- 前記モデリングは拡散モデルを含む、請求項5記載の方法。
- 前記気体循環系は、前記気体循環系内の前記反応生成物の前記化学種の前記濃度を確認する毎に、前記搬送ガスでパージされないが、代わりに、第一の規定量の水性媒体を前記気体循環系内に最初に導入し、その後前記反応生成物の前記化学種の前記濃度を確認した後、第二の規定量の水性媒体を前記気体循環系内へ少なくともさらに一回導入し、引き続いて、前記反応生成物の前記化学種の現在の濃度が、前記測定変数の前記現在値に基づいて確認される。ここで、
前記第二の規定量の前記水性媒体中の物質の現在の濃度は、前記気体循環系内の前記反応生成物の前記化学種の前記濃度および前記気体循環系の前記状態の前記モデルに基づいて確認され、規定量の前記水性媒体の初期の導入と燃焼に基づき、前記気体循環系内の前記反応生成物の前記化学種の前記濃度が前記モデルに入力される、
請求項1から6のいずれか一項に記載の方法。 - 前記物質は全有機体炭素(TOC)を含み、前記反応生成物は二酸化炭素である。あるいは、前記物質は全結合窒素(TNb)を含み、前記反応生成物は一酸化窒素(NO)である、請求項1もしくは2のいずれか一項に記載の方法。
- 規定量の試料をさらに導入し、その後前記反応生成物の前記濃度を確認する前記ステップは、前記気体循環系内の前記反応生成物の前記化学種の前記濃度を充分正確に確認することができる前記測定変数の前記現在値を決定するために、測定単位のダイナミックレンジの間繰り返され、その後にのみ、前記気体循環系が前記搬送ガスでパージされる、先行する請求項のいずれか一項に記載の方法。
- 前記気体循環系は、前記水性媒体の前記導入は別として、前記燃焼および前記測定変数の前記現在値の確認の最中、閉鎖循環系である、先行する請求項のいずれか一項に記載の方法。
- 汚染に基づく、前記気体循環系内の前記反応生成物の前記化学種の前記濃度の時間に対する変化が限界値を超えるとき、警報信号が出力される、請求項4もしくはその従属請求項のうちの一項に記載の方法。
- 汚染に基づく、前記気体循環系内の前記反応生成物の前記化学種の前記濃度の時間に対する変化は、時間間隔をおいて確認され、そこから、汚染に基づく前記濃度の前記時間変化の変化率が導き出される。ここで、汚染に基づく前記濃度の前記時間変化の前記変化率、および汚染に基づく前記濃度の前記時間変化の前記現在値から、汚染に基づく前記濃度の前記時間変化の限界値に達したことを所定の時間内に予測できる場合、警報信号が出力される、
請求項4もしくはその従属請求項のうちの一項に記載の方法。 - 前記モデルに従って確認される、前記気体循環系内の前記反応生成物の前記化学種の前記濃度に基づいて、前記水性媒体中の前記溶存物質の前記濃度を充分な精度でさらに確認することがもはや不可能であるとき、信号が生成される、
請求項4もしくはその従属請求項のうちの一項に記載の方法。 - 前記信号を通して、請求項2に記載のパージステップが導入される、請求項13に記載の方法。
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DE102006058051.6A DE102006058051B4 (de) | 2006-12-07 | 2006-12-07 | Verfahren zur Überwachung der Konzentration eines Wasserinhaltsstoffes in einem wässrigen Medium |
DE102006058051.6 | 2006-12-07 | ||
PCT/EP2007/063063 WO2008068196A1 (de) | 2006-12-07 | 2007-11-30 | Verfahren zur überwachung der konzentration eines wasserinhaltsstoffes in einem wässrigen medium |
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JP2010523938A true JP2010523938A (ja) | 2010-07-15 |
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US (1) | US8932873B2 (ja) |
JP (1) | JP5096485B2 (ja) |
CN (1) | CN101573615B (ja) |
DE (1) | DE102006058051B4 (ja) |
WO (1) | WO2008068196A1 (ja) |
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JP2012088056A (ja) * | 2010-10-15 | 2012-05-10 | Horiba Ltd | 触媒を用いた分析装置 |
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DE102009001860A1 (de) | 2009-03-25 | 2010-09-30 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Verfahren zum Bestimmen einer Anzahl von Tropfen |
DE102009001861A1 (de) | 2009-03-25 | 2010-09-30 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Verfahren zum Betreiben einer Analysevorrichtung |
DE102011088959B4 (de) | 2011-12-19 | 2022-08-04 | Endress+Hauser Conducta Gmbh+Co. Kg | Vorrichtung zum Entgasen einer Flüssigkeit und Verwendung dieser Vorrichtung in einem Analysegerät |
DE102020134417A1 (de) | 2020-12-21 | 2022-06-23 | Endress+Hauser Conducta Gmbh+Co. Kg | TOC-Analysator und Verfahren zur Anfeuchtung eines Bindemittels in einem TOC-Analysator |
CN117147274B (zh) * | 2023-10-31 | 2024-01-23 | 成都博瑞科传科技有限公司 | 一种多模式化的水样浓缩系统及其浓缩方法 |
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JPS6188150A (ja) * | 1984-10-06 | 1986-05-06 | Fuji Electric Co Ltd | 水中被酸化性成分濃度測定装置 |
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US20080026482A1 (en) * | 2003-12-22 | 2008-01-31 | Werner Arts | Process and Arrangement for Determining Water Content |
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DE19920580C1 (de) * | 1999-05-04 | 2000-12-14 | Lange Gmbh Dr Bruno | Vorrichtung und Verfahren zur Bestimmung des gesamten organischen Kohlenstoffanteiles einer Flüssigkeitsprobe |
DE19931801C2 (de) * | 1999-07-08 | 2002-08-08 | Idc Geraeteentwicklungsgmbh | Verfahren zur Peakintegration für NDIR-detektierte Gasanalysen nach elementanalytischen Aufschlüssen |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6188150A (ja) * | 1984-10-06 | 1986-05-06 | Fuji Electric Co Ltd | 水中被酸化性成分濃度測定装置 |
JPS6421358A (en) * | 1987-07-17 | 1989-01-24 | Tokico Ltd | Apparatus for measuring carbon quantity |
JPS6421357A (en) * | 1987-07-17 | 1989-01-24 | Tokico Ltd | Apparatus for measuring carbon quantity |
JPH03115859A (ja) * | 1989-03-31 | 1991-05-16 | Shimadzu Corp | 燃焼式水質分析方法 |
US5340542A (en) * | 1991-05-10 | 1994-08-23 | Hartmann & Braun Aktiengesellschaft | Apparatus for the measurement of the total content of organic carbon and nitrogen in water |
US6143568A (en) * | 1997-06-24 | 2000-11-07 | Lar Analytik Und Umweltmesstechnik Gmbh | Method for determining constituents in water |
US20080026482A1 (en) * | 2003-12-22 | 2008-01-31 | Werner Arts | Process and Arrangement for Determining Water Content |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012088056A (ja) * | 2010-10-15 | 2012-05-10 | Horiba Ltd | 触媒を用いた分析装置 |
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DE102006058051A1 (de) | 2008-06-19 |
JP5096485B2 (ja) | 2012-12-12 |
CN101573615A (zh) | 2009-11-04 |
DE102006058051B4 (de) | 2014-07-10 |
WO2008068196A1 (de) | 2008-06-12 |
CN101573615B (zh) | 2013-10-30 |
US8932873B2 (en) | 2015-01-13 |
US20100178706A1 (en) | 2010-07-15 |
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