JP2001083053A - Device for measuring partial pressure of carbon dioxide dissolved in seawater - Google Patents
Device for measuring partial pressure of carbon dioxide dissolved in seawaterInfo
- Publication number
- JP2001083053A JP2001083053A JP26055999A JP26055999A JP2001083053A JP 2001083053 A JP2001083053 A JP 2001083053A JP 26055999 A JP26055999 A JP 26055999A JP 26055999 A JP26055999 A JP 26055999A JP 2001083053 A JP2001083053 A JP 2001083053A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- carbon dioxide
- partial pressure
- seawater
- bubbling
- 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.)
- Granted
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、海水中に溶存する
二酸化炭素分圧の測定装置に関する。The present invention relates to an apparatus for measuring the partial pressure of carbon dioxide dissolved in seawater.
【０００２】[0002]
【従来の技術】化石燃料の大量消費によって大気中の二
酸化炭素の濃度が増加し、これが地球の温暖化に関連す
る。しかし大気中の二酸化炭素濃度が増加すると、その
一部は海水中に溶存する。このために海水中の溶存二酸
化炭素の分圧を正確に測定することは、地球温暖化を論
ずる上で重要な課題である。BACKGROUND OF THE INVENTION Mass consumption of fossil fuels increases the concentration of carbon dioxide in the atmosphere, which is associated with global warming. However, as the concentration of carbon dioxide in the atmosphere increases, some of it dissolves in seawater. Therefore, it is important to accurately measure the partial pressure of dissolved carbon dioxide in seawater when discussing global warming.
【０００３】海水中に溶存する二酸化炭素分圧は、一定
温度の海水と平衡にある大気圧下の空気中の二酸化炭素
分圧で定義される。海水は接触する空気と二酸化炭素分
圧が平衡に達するように、海水中に溶存する二酸化炭素
が空気中に放出され、または空気中の二酸化炭素が海水
中に吸収される。このような二酸化炭素の放出や吸収が
あっても、海水中に溶存する二酸化炭素分圧が変わらな
いように、大量の海水を空気と接触させる必要がある。[0003] The partial pressure of carbon dioxide dissolved in seawater is defined as the partial pressure of carbon dioxide in air at atmospheric pressure in equilibrium with seawater at a constant temperature. In the seawater, carbon dioxide dissolved in the seawater is released into the air or carbon dioxide in the air is absorbed into the seawater such that the partial pressure of carbon dioxide and the air in contact with the seawater reach equilibrium. Even if such carbon dioxide is released or absorbed, a large amount of seawater needs to be brought into contact with air so that the partial pressure of carbon dioxide dissolved in seawater does not change.
【０００４】実用の海水中に溶存する二酸化炭素分圧の
測定装置では、海水と空気とが平衡状態になるのを促進
するために、海水と空気との接触面積を増加させてい
る。In a practical apparatus for measuring the partial pressure of carbon dioxide dissolved in seawater, the contact area between seawater and air is increased in order to promote the equilibrium between seawater and air.
【０００５】従来から用いられている典型的な測定装置
１を図５に示す。一定温度の海水は、シャワー手段２に
よって、接触面積を増大されて気液平衡器３に供給さ
れ、海水貯留部４から溢流管５を経て排出される。一方
空気は、気液平衡器３の下部に供給され、気液平衡器３
の上部からＣＯ2分析手段に送られ、ここで空気中の二
酸化炭素分圧が測定され送風機７によって循環される。FIG. 5 shows a typical measuring device 1 conventionally used. The seawater of a constant temperature is supplied to the gas-liquid balancer 3 with the contact area increased by the shower means 2, and is discharged from the seawater storage unit 4 through the overflow pipe 5. On the other hand, air is supplied to the lower part of the gas-liquid
Is sent to the CO 2 analysis means from above, where the partial pressure of carbon dioxide in the air is measured and circulated by the blower 7.
【０００６】従来装置１では、海水はシャワー手段２に
よって噴出されるが、接触面積は充分大きくならず、平
衡に達するのに５〜３０分を要する。このため空気は送
風機７で循環せねばならず、空気は閉鎖系となり平衡器
内部を厳密に大気圧下にすることが困難であり、誤差の
要因となりうる。また海水を噴出するシャワー手段２
は、海水中の動物プランクトンによって目詰まりを生
じ、頻繁に掃除をしなくてはならず、メンテナンスが必
要である。In the conventional apparatus 1, seawater is spouted by the shower means 2, but the contact area is not sufficiently large, and it takes 5 to 30 minutes to reach equilibrium. For this reason, the air must be circulated by the blower 7, and the air becomes a closed system and it is difficult to strictly maintain the inside of the equilibrium under atmospheric pressure, which may cause an error. Shower means 2 for spouting seawater
Is clogged by zooplankton in seawater, requires frequent cleaning, and requires maintenance.
【０００７】この他に気液平衡器での海水と空気との接
触面積を増加するために。バブリングと濡壁とを用いる
方法が考えられる。バブリング法では、海水の表面張力
の影響で海水面で気泡が生じ、気泡がはじけるまでに時
間を要するいわゆるバブリング効果現象が起こる。この
ために空気中の二酸化炭素分圧が、平衡分圧よりも２〜
３ｐｐｍ低くなり、好ましくない。濡壁法は、接触面積
を大きくするために気液平衡器３を細長くしなればなら
ず、好ましくない。In addition, to increase the contact area between seawater and air in the gas-liquid balancer. A method using bubbling and a wet wall is conceivable. In the bubbling method, bubbles are generated on the surface of the seawater under the influence of the surface tension of the seawater, and a so-called bubbling effect phenomenon, which requires time for the bubbles to pop, occurs. For this reason, the partial pressure of carbon dioxide in the air is 2 to 2
3 ppm lower, which is not preferable. The wet wall method is not preferable because the gas-liquid balancer 3 must be elongated to increase the contact area.
【０００８】[0008]
【発明が解決しようとする課題】上述のように従来の方
法ではメンテナンスの頻度が高く、かつ連続して正確な
海水中に溶存する二酸化炭素分圧の測定が困難である。As described above, in the conventional method, the frequency of maintenance is high, and it is difficult to continuously and accurately measure the partial pressure of carbon dioxide dissolved in seawater.
【０００９】本発明の目的はメンテナンスの頻度が低
く、連続して正確な測定が可能なフロースルーで平衡ガ
スが得られる気液平衡器を備えた海水中に溶存する二酸
化炭素分圧の測定装置を提供することである。SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus for measuring the partial pressure of carbon dioxide dissolved in seawater provided with a gas-liquid equilibrium capable of obtaining an equilibrium gas with a flow-through that requires less maintenance and enables continuous accurate measurement. It is to provide.
【００１０】[0010]
【課題を解決するための手段】本発明は、液中にガスを
バブリングするバブリング部と、バブリング部の上部に
連なり、上下方向に延びる支持棒と支持棒に支持された
複数のはねとを内部に有するミキサ部とから成る気液平
衡器と、フロースルー方式で気液平衡器にガスを供給す
るガス供給手段と、気液平衡器から排出されるガス中の
二酸化炭素分圧を測定するＣＯ2分析手段とを含むこと
を特徴とする海水中の二酸化炭素分圧の測定装置であ
る。According to the present invention, there is provided a bubbling portion for bubbling a gas in a liquid, a support bar connected to an upper portion of the bubbling portion and extending vertically and a plurality of splashes supported by the support bar. A gas-liquid equilibrium comprising an internal mixer unit, gas supply means for supplying gas to the gas-liquid equilibrium in a flow-through system, and measuring a partial pressure of carbon dioxide in gas discharged from the gas-liquid equilibrium. An apparatus for measuring the partial pressure of carbon dioxide in seawater, comprising: a CO 2 analyzer.
【００１１】本発明に従えば、第１段階としてバブリン
グによって海水とガスとの二酸化炭素分圧が平衡にされ
る。また第２段階として設けられたミキサのはねと支持
棒および気液平衡器の周壁によって濡壁面積が充分大き
くされる。これによってガス（実際には空気）は、循環
型ではなく、フロースルー方式で二酸化炭素分圧が平衡
とされる。したがって気液平衡器内部は大気圧とされ、
連続的に海水中に溶存する二酸化炭素分圧の測定ができ
る。According to the present invention, as a first step, the carbon dioxide partial pressure of seawater and gas is equilibrated by bubbling. Further, the area of the wet wall is sufficiently increased by the splash of the mixer, the support rod, and the peripheral wall of the gas-liquid balancer provided as the second stage. As a result, the gas (actually, air) is not circulated, but the partial pressure of carbon dioxide is balanced by a flow-through method. Therefore, the inside of the gas-liquid equilibrium is set to the atmospheric pressure,
The partial pressure of carbon dioxide dissolved in seawater can be measured continuously.
【００１２】また本発明は、ＣＯ2分析手段の出力によ
って検出された二酸化炭素の分圧と等しい分圧の炭酸ガ
スを含むガスをバブリング部に供給することをを特徴と
する。Further, the present invention is characterized in that a gas containing carbon dioxide having a partial pressure equal to the partial pressure of carbon dioxide detected by the output of the CO 2 analyzing means is supplied to the bubbling unit.
【００１３】本発明に従えば、気液平衡器に供給される
ガスには、海水中に溶存する二酸化炭素分圧と略平衡な
二酸化炭素が含まれる。海水中に溶存する二酸化炭素分
圧は、連続的に測定されるとき秒単位で大きく変化する
ことがないので、二酸化炭素分圧はより速やかに平衡に
達する。According to the present invention, the gas supplied to the gas-liquid equilibrium contains carbon dioxide that is substantially equilibrium with the partial pressure of carbon dioxide dissolved in seawater. Since the partial pressure of carbon dioxide dissolved in seawater does not change significantly in seconds when measured continuously, the partial pressure of carbon dioxide reaches equilibrium more quickly.
【００１４】また本発明は、ＣＯ2分析手段の排ガスの
一部を含むガスをバブリング部に供給することをを特徴
とする。Further, the present invention is characterized in that a gas containing a part of the exhaust gas of the CO 2 analyzing means is supplied to the bubbling unit.
【００１５】本発明に従えば、気液平衡器に供給される
空気には、ＣＯ2分析手段の排ガスの一部、たとえば排
ガスの約２／３が混ぜられる。これによって二酸化炭素
分圧は、より速やかに平衡に達する。According to the present invention, a part of the exhaust gas of the CO 2 analyzing means, for example, about ／ of the exhaust gas is mixed with the air supplied to the gas-liquid balancer. This allows the carbon dioxide partial pressure to reach equilibrium more quickly.
【００１６】また海水中に溶存する二酸化炭素分圧と等
しい分圧の二酸化炭素を含む空気を供給するために用い
る二酸化炭素の量を約１／３に節約できる。Further, the amount of carbon dioxide used to supply air containing carbon dioxide having a partial pressure equal to the partial pressure of carbon dioxide dissolved in seawater can be reduced to about one third.
【００１７】[0017]
【発明の実施の形態】以下、実施の形態によって、本発
明をより詳細に説明する。図１は、本発明の実施の一形
態の海水中に溶存する二酸化炭素分圧の測定装置１０の
系統図である。本装置１０は、気液平衡器２０とＣＯ2
分析手段１１とフィードバックシステム１６とから構成
される。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to embodiments. FIG. 1 is a system diagram of an apparatus 10 for measuring the partial pressure of carbon dioxide dissolved in seawater according to one embodiment of the present invention. The device 10 comprises a gas-liquid balancer 20 and CO 2
It comprises an analyzing means 11 and a feedback system 16.
【００１８】図２は、気液平衡器２０の断面図である。
気液平衡器２０は、円筒状に構成され、下部に海水貯留
部２１、中間部にバブリング部２２，上部にミキサ部２
３を備える。海水は、ミキサ部２３の上部中央から供給
され、支持棒２４から複数枚（本実施の形態では５枚）
のはね２５によって接触面積を増大されてバブリング部
２２に落下する。はね２５は、たとえば最上段のものか
ら９０°ずつずれて順次配置される。バブリング部２２
は、下部から空気が供給され、周囲に多数の小孔を設け
たバブラ２６から気泡が発生し、液面２７に達する間に
気泡中の二酸化炭素分圧は海水中に溶存する二酸化炭素
分圧にほぼ等しくなる。液面２７では、ミキサ２３から
落下する海水によって、気泡が破壊される。空気は、さ
らにミキサ部２３で海水と大きい接触面で接し、海水と
空気との二酸化炭素分圧は、ほぼ完全に（９９．９％）
平衡に達する。平衡ガスは、ミキサ部２３の上部周辺か
らＣＯ2分析手段１１に送られる。海水貯留部２１に
は、海水連絡管２８が連絡され、液面調節器２９を経て
排出される。FIG. 2 is a sectional view of the gas-liquid balancer 20.
The gas-liquid balancer 20 is formed in a cylindrical shape, and has a seawater storage unit 21 at a lower part, a bubbling part 22 at an intermediate part, and a mixer part 2 at an upper part.
3 is provided. The seawater is supplied from the upper center of the mixer unit 23, and a plurality of seawater (five in this embodiment) are supplied from the support rod 24.
The contact area is increased by the spring 25, and the splash falls to the bubbling part 22. The splashes 25 are sequentially arranged, for example, at 90 ° from the top one. Bubbling part 22
The air is supplied from the lower part, bubbles are generated from a bubbler 26 provided with a number of small holes around it, and the partial pressure of carbon dioxide in the bubbles while reaching the liquid level 27 is the partial pressure of carbon dioxide dissolved in seawater. Is almost equal to On the liquid level 27, the bubbles are broken by the seawater falling from the mixer 23. The air further contacts the seawater at the mixer section 23 at a large contact surface, and the partial pressure of carbon dioxide between the seawater and the air is almost completely (99.9%).
Reach equilibrium. The equilibrium gas is sent to the CO 2 analyzing means 11 from around the upper part of the mixer section 23. A seawater communication pipe 28 is connected to the seawater storage unit 21 and is discharged through a liquid level controller 29.
【００１９】ＣＯ2分析手段１１は、除湿器１２と非分
散赤外線吸収ＣＯ2計（ＮＤＩＲ）１３と、コンピュー
タユニット１４と、記録計１５などから構成される。平
衡ガスは、除湿器１２で水分を除去され、ＮＤＩＲ１３
に送られ、ここでＣＯ2分圧が検出され、ＣＯ分析手段
１１外に排出される。ＮＤＩＲ１３の出力は、コンピュ
ータユニット１４に送られ、記録計１５に記録される。The CO 2 analyzing means 11 comprises a dehumidifier 12, a non-dispersive infrared absorption CO 2 meter (NDIR) 13, a computer unit 14, a recorder 15, and the like. The equilibrium gas is dehydrated by the dehumidifier 12 and the NDIR 13
, Where the partial pressure of CO 2 is detected and discharged out of the CO analysis means 11. The output of NDIR 13 is sent to computer unit 14 and recorded on recorder 15.
【００２０】フィードバックシステム１６は、高濃度Ｃ
Ｏ2ボンベ１７と、ゼロガス発生器１８と供給ガス調整
器１９などから構成される。供給ガス調整器１９にはコ
ンピュータユニット１４からＮＤＩＲ１３で検出された
二酸化炭素分圧に応じた電気信号が送られ、これによっ
て高濃度ＣＯ2ボンベ１７から送られるガス量とゼロガ
ス発生器１８から送られるガス量とが調整され、ＮＤＩ
Ｒ１３で検出された二酸化炭素分圧と略等しい二酸化炭
素分圧の供給ガスとして気液平衡器２０に送られる。The feedback system 16 has a high concentration C
It is composed of an O 2 cylinder 17, a zero gas generator 18, a supply gas regulator 19 and the like. An electric signal corresponding to the carbon dioxide partial pressure detected by the NDIR 13 is sent from the computer unit 14 to the supply gas regulator 19, whereby the amount of gas sent from the high-concentration CO 2 cylinder 17 and the gas sent from the zero gas generator 18 are sent. Gas volume is adjusted and NDI
The gas is sent to the gas-liquid balancer 20 as a supply gas having a carbon dioxide partial pressure substantially equal to the carbon dioxide partial pressure detected by R13.
【００２１】この他に一定時間毎に、大気中の二酸化炭
素を測定したり、校正用ボンベ３３のガスでＮＤＩＲ１
３を校正したり、海水貯留部２１の温度や大気圧をコン
ピュータユニット１４に送り、ＮＤＩＲ１３で測定され
たＣＯ2分圧とともに記録計１５に記録したりする。In addition to this, at regular time intervals, carbon dioxide in the atmosphere is measured, and the gas in the calibration cylinder 33 is used to measure NDIR1.
3 is calibrated, and the temperature and the atmospheric pressure of the seawater storage unit 21 are sent to the computer unit 14 and recorded on the recorder 15 together with the CO 2 partial pressure measured by the NDIR 13.
【００２２】図３は、気液平衡器２０に導入した空気の
二酸化炭素濃度を０〜５００ｐｐｍの間で変化させて、
２種類の海水中に溶存する二酸化炭素分圧を、本装置１
０で測定した結果である。供給ガスの二酸化炭素の濃度
が変わっても平衡ガスの二酸化炭素の濃度はほとんど変
わらない。これによって、この気液平衡器の効率が充分
に高く、フロースルーでほぼ完全に平衡に達しているこ
とがわかる。FIG. 3 shows that the concentration of carbon dioxide in the air introduced into the gas-liquid balancer 20 is changed between 0 and 500 ppm.
This device 1 measures the partial pressure of carbon dioxide dissolved in two types of seawater.
It is the result measured at 0. Even if the concentration of carbon dioxide in the supply gas changes, the concentration of carbon dioxide in the equilibrium gas hardly changes. This shows that the efficiency of the gas-liquid equilibrium is sufficiently high and the flow-through has almost completely reached equilibrium.
【００２３】本発明の実施の他の形態として、フィード
バックシステム１６がなく供給ガスとして除塵した二酸
化炭素０〜５００ｐｐｍの空気を供給するものであって
もよい。As another embodiment of the present invention, there may be provided a system in which the feedback system 16 is not provided and air of 0 to 500 ppm of carbon dioxide which has been removed is supplied as a supply gas.
【００２４】図４は、本発明の実施のさらに他の形態の
海水中に溶存する二酸化炭素分圧の測定装置３０のブロ
ック図である。本装置３０は、先の実施の形態の装置１
０と類似し、同一の部材には同一の符号を付す。本装置
３０では、供給ガス調整器３１にＮＤＩＲ１３の排ガス
の一部、たとえば２／３が、高濃度ＣＯ2ボンベ１７か
らのガスおよびゼロガス発生器１８からのガスとともに
送られる。ＮＤＩＲ１３の排ガスは、分配器３２によっ
て０〜９０％の範囲で調節されて供給ガス調整器３１に
送られ、高濃度ＣＯ2ガスおよびゼロガスは、その合計
量が１００〜１０％の範囲とされる。FIG. 4 is a block diagram of an apparatus 30 for measuring the partial pressure of carbon dioxide dissolved in seawater according to still another embodiment of the present invention. This device 30 is the same as the device 1 of the previous embodiment.
Similar to 0, the same members are denoted by the same reference numerals. In the present device 30, a part of the exhaust gas of the NDIR 13, for example, ／, is sent to the supply gas regulator 31 together with the gas from the high-concentration CO 2 cylinder 17 and the gas from the zero gas generator 18. Exhaust gas NDIR13 can be adjusted from 0% to 90% by distributor 32 is sent to the feed gas regulator 31, high-concentration CO 2 gas and zero gas, the total amount is in the range of 100 to 10% .
【００２５】[0025]
【発明の効果】以上のように本発明によれば、気液平衡
器がバブリング部とその上に連なるミキサ部とから成る
ので、バブリング部では、海水とガスとの接触面積が充
分大きく、ミキサ部はバブリング効果を低く押え、両者
の作用によって、フロースルーで完全な平衡ガスが得ら
れる。またフロースルーであるので、気液平衡器内を厳
密に大気圧とすることができ、かつメンテナンス頻度が
低く、連続して海水中に溶存する二酸化炭素分圧が測定
できる。As described above, according to the present invention, since the gas-liquid balancer comprises the bubbling section and the mixer section connected thereto, the bubbling section has a sufficiently large contact area between seawater and gas, and the The part suppresses the bubbling effect to a low level, and a flow-through and perfect equilibrium gas can be obtained by the action of both. Also, because of the flow-through, the inside of the gas-liquid equilibrium can be strictly adjusted to the atmospheric pressure, the maintenance frequency is low, and the partial pressure of carbon dioxide dissolved in seawater can be measured continuously.
【図１】本発明の実施の一形態の海水中に溶存する二酸
化炭素分圧の測定装置１０の系統図である。FIG. 1 is a system diagram of an apparatus for measuring a partial pressure of carbon dioxide dissolved in seawater according to an embodiment of the present invention.
【図２】気液平衡器２０の断面図である。FIG. 2 is a cross-sectional view of the gas-liquid balancer 20.
【図３】気液平衡器２０に導入する供給ガスと気液平衡
器２０から排出された平衡ガスとに含まれる二酸化炭素
の濃度の関係を示すグラフである。FIG. 3 is a graph showing the relationship between the concentration of carbon dioxide contained in the supply gas introduced into the gas-liquid balancer 20 and the balance gas discharged from the gas-liquid balancer 20.
【図４】本発明の実施のさらに他の形態の海水中に溶存
する二酸化炭素分圧の測定装置３０の系統図である。FIG. 4 is a system diagram of an apparatus 30 for measuring the partial pressure of carbon dioxide dissolved in seawater according to still another embodiment of the present invention.
【図５】従来技術の海水中に溶存する二酸化炭素分圧の
測定装置１の系統図である。FIG. 5 is a system diagram of a conventional apparatus 1 for measuring the partial pressure of carbon dioxide dissolved in seawater.
１０，３０ 海水中に溶存する二酸化炭素分圧の測定装
置 １１ ＣＯ2分析手段 １２ 除湿器 １３ 非分散赤外線吸収ＣＯ2計（ＮＤＩＲ） １４ コンピュータユニット １５ 記録計 １６ フィードバックシステム ２０ 気液平衡器 ２１ 海水貯留部 ２２ バブリング部 ２３ ミキサ部 ２４ 支持棒 ２５ はね ２６ バブラ ２７ 液面 ２９ 液面調節器 ３３ 校正用ボンベ10,30 Measurement of carbon dioxide partial pressure of dissolved in seawater apparatus 11 CO 2 analyzer means 12 dehumidifier 13 nondispersive infrared absorption CO 2 meter (NDIR) 14 Computer unit 15 recorder 16 feedback system 20 vapor-liquid equilibrium 21 seawater Storage unit 22 Bubbling unit 23 Mixer unit 24 Support rod 25 Splash 26 Bubbler 27 Liquid level 29 Liquid level controller 33 Calibration cylinder
───────────────────────────────────────────────────── フロントページの続き (72)発明者 紀本 英志 大阪府大阪市天王寺区舟橋町３番１号 紀 本電子工業株式会社内 (72)発明者 島野 富士雄 茨城県牛久市神谷６−27−２ ──────────────────────────────────────────────────続 き Continuing from the front page (72) Eiji Kimoto, Inventor Kishi Electronics Co., Ltd., 3-1 Funabashi-cho, Tennoji-ku, Osaka, Osaka (72) Inventor Fujio Shimano 6-27- Kamiya, Ushiku-shi, Ibaraki 2
Claims (3)
部と、バブリング部の上部に連なり、上下方向に延びる
支持棒と支持棒に支持された複数のはねとを内部に有す
るミキサ部とから成る気液平衡器と、 フロースルー方式で気液平衡器にガスを供給するガス供
給手段と、 気液平衡器から排出されるガス中の二酸化炭素分圧を測
定するＣＯ2分析手段とを含むことを特徴とする海水中
の二酸化炭素分圧の測定装置。1. A bubbling part for bubbling gas in a liquid, a mixer part connected to an upper part of the bubbling part and having a support rod extending vertically and a plurality of splashes supported by the support rod. A gas-liquid balancer, gas supply means for supplying gas to the gas-liquid balancer in a flow-through manner, and CO 2 analysis means for measuring a partial pressure of carbon dioxide in the gas discharged from the gas-liquid balancer A device for measuring the partial pressure of carbon dioxide in seawater, characterized in that:
た二酸化炭素の分圧と等しい分圧の炭酸ガスを含むガス
をバブリング部に供給することを特徴とする請求項１記
載の海水中の二酸化炭素分圧の測定装置。2. The carbon dioxide in seawater according to claim 1, wherein a gas containing carbon dioxide having a partial pressure equal to the partial pressure of carbon dioxide detected by the output of the CO 2 analyzing means is supplied to the bubbling unit. A device for measuring carbon partial pressure.
スをバブリング部に供給することを特徴とする請求項１
または２記載の海水中の二酸化炭素分圧の測定装置。3. A gas containing a part of the exhaust gas of the CO 2 analyzing means is supplied to a bubbling unit.
Or the measuring device for partial pressure of carbon dioxide in seawater according to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26055999A JP3530863B2 (en) | 1999-09-14 | 1999-09-14 | Measuring device for partial pressure of carbon dioxide dissolved in seawater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26055999A JP3530863B2 (en) | 1999-09-14 | 1999-09-14 | Measuring device for partial pressure of carbon dioxide dissolved in seawater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001083053A true JP2001083053A (en) | 2001-03-30 |
| JP3530863B2 JP3530863B2 (en) | 2004-05-24 |
Family
ID=17349649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26055999A Expired - Fee Related JP3530863B2 (en) | 1999-09-14 | 1999-09-14 | Measuring device for partial pressure of carbon dioxide dissolved in seawater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3530863B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010241649A (en) * | 2009-04-08 | 2010-10-28 | Toshiba Corp | Carbon dioxide recovering system |
| KR101363012B1 (en) * | 2012-11-28 | 2014-02-12 | 한국해양과학기술원 | Apparatus for measuring partial pressure of carbon dioxide within seawater in water tank |
| CN116227993A (en) * | 2023-01-17 | 2023-06-06 | 国家海洋环境监测中心 | Seawater absorbing atmospheric CO 2 Method for evaluating capacity regulatory factor |
| EP4058799A4 (en) * | 2019-11-14 | 2023-12-06 | Searas AS | Method and system for monitoring and measuring the amount of a gas dissolved in a liquid |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2580520B2 (en) | 1993-06-04 | 1997-02-12 | 九州大学長 | Towing robot for observation of dissolved substances in the sea |
| US5643799A (en) | 1994-10-31 | 1997-07-01 | Umpqua Research Company | Process for analyzing CO2 in seawater |
| JP3025495B1 (en) | 1999-04-05 | 2000-03-27 | 博之 片山 | Method and apparatus for measuring partial pressure of dissolved substance in liquid |
-
1999
- 1999-09-14 JP JP26055999A patent/JP3530863B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010241649A (en) * | 2009-04-08 | 2010-10-28 | Toshiba Corp | Carbon dioxide recovering system |
| KR101363012B1 (en) * | 2012-11-28 | 2014-02-12 | 한국해양과학기술원 | Apparatus for measuring partial pressure of carbon dioxide within seawater in water tank |
| EP4058799A4 (en) * | 2019-11-14 | 2023-12-06 | Searas AS | Method and system for monitoring and measuring the amount of a gas dissolved in a liquid |
| CN116227993A (en) * | 2023-01-17 | 2023-06-06 | 国家海洋环境监测中心 | Seawater absorbing atmospheric CO 2 Method for evaluating capacity regulatory factor |
| CN116227993B (en) * | 2023-01-17 | 2023-11-07 | 国家海洋环境监测中心 | Seawater absorbing atmospheric CO 2 Method for evaluating capacity regulatory factor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3530863B2 (en) | 2004-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Shokouhi et al. | Experimental investigation of the density and viscosity of CO2-loaded aqueous alkanolamine solutions | |
| US20180306764A1 (en) | Method for determining properties of a hydrocarbon containing gas mixture and apparatus therefor | |
| TWI622768B (en) | Method of measuring carbonation levels in open-container beverages | |
| US4815316A (en) | Diffusion measurement | |
| US6192737B1 (en) | Method for measuring the concentration of a dissolved gas in a fluid | |
| JP2001083053A (en) | Device for measuring partial pressure of carbon dioxide dissolved in seawater | |
| JPH04223263A (en) | Apparatus and method for continuously measuring concentration of ammonia in gas | |
| CN102621276B (en) | Device capable of controllably correcting ratio, gradient and vertical fractional distillation process measurement of oxyhydrogen stable isotope in atmospheric water | |
| CN104777090A (en) | Oxygen permeation analysis tester | |
| US2953441A (en) | Apparatus for sulfur dioxide determination | |
| JP2950859B2 (en) | Alcohol content regulator | |
| EP1043585A2 (en) | Method and system for measuring partial pressure of material dissolved in liquid | |
| CN207300787U (en) | A kind of ozone concentration detection device | |
| RU2005125115A (en) | METHOD FOR PRODUCING GAS FLOW WITH CONSTANT CONCENTRATIONS OF VOLATILE MATTERS AND DEVICE FOR ITS IMPLEMENTATION | |
| RU2267775C2 (en) | Gas analyzer based on piezoelectric sensitive elements | |
| CN105301185A (en) | Laboratory methane leakage detection device and detection method | |
| CN104749323B (en) | A kind of reaction unit and method relating to methane water_air exchange | |
| Elsworth | Chapter IX The Measurement of Oxygen Absorption and Carbon Dioxide Evolution in Stirred Deep Cultures | |
| JP4099148B2 (en) | Method for setting phase partition coefficient and apparatus suitable for this method | |
| JP2001272390A (en) | Method for measuring gas sorption amount and gas diffusion coefficient of polymer material | |
| Wallace et al. | Carbon dioxide scrubbing from air for alkaline fuel cells using amine solution in a packed bubble column | |
| Bufaroosha et al. | Portable dual-channel gas analyzer for continuous monitoring of carbon dioxide in gas streams | |
| KR100899305B1 (en) | The multistage type apparatus of measuring concentration in the gas-liquid absorption using inner circulating mixer for carbon dioxide separation | |
| RU2253106C1 (en) | Universal multi-sensor detecting cell | |
| Ueberfeld et al. | Determination of Henry’s constant using a photoacoustic sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20031119 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20031119 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040128 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080312 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090312 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090312 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100312 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100312 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130312 Year of fee payment: 9 |
|
| LAPS | Cancellation because of no payment of annual fees | ||
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R370 | Written measure of declining of transfer procedure |
Free format text: JAPANESE INTERMEDIATE CODE: R370 |