JPH04161849A - Method for measuring minute amount of organic material in exhaust gas from incinerator - Google Patents
Method for measuring minute amount of organic material in exhaust gas from incineratorInfo
- Publication number
- JPH04161849A JPH04161849A JP28820190A JP28820190A JPH04161849A JP H04161849 A JPH04161849 A JP H04161849A JP 28820190 A JP28820190 A JP 28820190A JP 28820190 A JP28820190 A JP 28820190A JP H04161849 A JPH04161849 A JP H04161849A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- adsorbent
- incinerator
- gas
- organic material
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 9
- 239000011368 organic material Substances 0.000 title abstract 3
- 239000003463 adsorbent Substances 0.000 claims abstract description 23
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 9
- 238000003795 desorption Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 abstract description 27
- 238000004458 analytical method Methods 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 4
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 239000002243 precursor Substances 0.000 abstract description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 150000008422 chlorobenzenes Chemical class 0.000 description 7
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 3
- 101100204059 Caenorhabditis elegans trap-2 gene Proteins 0.000 description 3
- 239000000039 congener Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- -1 PCDF (polychlorinated dibenzofuran Chemical class 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- OGBQILNBLMPPDP-UHFFFAOYSA-N 2,3,4,7,8-Pentachlorodibenzofuran Chemical compound O1C2=C(Cl)C(Cl)=C(Cl)C=C2C2=C1C=C(Cl)C(Cl)=C2 OGBQILNBLMPPDP-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000000944 Soxhlet extraction Methods 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 150000004827 dibenzo-1,4-dioxins Chemical class 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000004045 organic chlorine compounds Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は焼却炉排ガス中のクロロベンゼンなどの微量有
機物質の測定方法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for measuring trace organic substances such as chlorobenzene in incinerator exhaust gas.
従来の技術
近年、ごみ焼却炉において、ダイオキシンや水銀等の未
規制の微量物質の排出が問題化しており、排ガス中に含
まれるこれらの微量物質と塩化水素や硫黄酸化物、窒素
酸化物など従来からの汚染物質とを同時に効率よく除去
することが強く求められている。ところが、ダイオキシ
ンの測定には多くの労力と非常に高価な分析装置を必要
とするため、発生源濃度のモニタリングや除害装置の評
価を行う上で大きな難点となっている。そこで、−酸化
炭素や全炭化水素、クロロベンゼン、クロロフェノール
などが代替指標として考えられている。Conventional technology In recent years, the emission of unregulated trace substances such as dioxins and mercury from waste incinerators has become a problem. There is a strong need to efficiently remove contaminants from the environment at the same time. However, measuring dioxin requires a lot of labor and extremely expensive analytical equipment, which is a major difficulty in monitoring source concentrations and evaluating abatement devices. Therefore, -carbon oxide, total hydrocarbons, chlorobenzene, chlorophenol, etc. are being considered as alternative indicators.
なかでも後二者はダイオキシンの前駆物質と言われ、構
造上類似した有機化合物であり、また、ダイオキシンに
較べて測定が容易である。Among these, the latter two are said to be precursors of dioxin, and are structurally similar organic compounds, and are easier to measure than dioxin.
従来のＰＣＤＤ （ポリ塩化ジベンゾ−パラ−ジオキシ
ン）、ＰＣＤＦ（ポリ塩化ジベンゾフラン）、ＣＢ（ク
ロロベンゼン）、およびＣＰ（クロロフェノール）の全
同族体の捕集装置の例として第２図に示すものがある。An example of a conventional collection device for all congeners of PCDD (polychlorinated dibenzo-para-dioxin), PCDF (polychlorinated dibenzofuran), CB (chlorobenzene), and CP (chlorophenol) is shown in Figure 2. .
これは、円筒濾紙（シリカウール）１とジエチレングリ
コール人りドレントラップ２と固体吸着剤カラム３を通
して排ガスをガス吸引ポンプ４で吸引するものであり、
ドレントラップ２は氷浴槽５に浸漬され、ガス吸引ポン
プ４の吐出側にはガスメータ６が連結されている。この
構成においては、ＰＣＤＦｌＰＣＤＤの全同族体をドレ
ントラップ２および固体吸着剤カラム３で捕捉して試料
を形成し、試料を前処理・抽出（塩酸処理・ トルエン
−ソックスレー抽出方式）して塩素化合物の分析を行い
、また硫酸処理後にシリカゲルクロマトグラフィーによ
ってクリーンアップ分離してＣＢおよびＣＰをＧＣ／Ｍ
Ｓ（質量分析計）で測定し、さらに塩基性アルミナカラ
ムクロマトグラフィーによってクリーンアップ分離して
ＰＣＤＤおよびＰＣＤＦをＧＣ／ＭＳで測定していた。This system uses a gas suction pump 4 to suck exhaust gas through a cylindrical filter paper (silica wool) 1, a diethylene glycol drain trap 2, and a solid adsorbent column 3.
The drain trap 2 is immersed in an ice bath 5, and a gas meter 6 is connected to the discharge side of the gas suction pump 4. In this configuration, all congeners of PCDFlPCDD are captured by drain trap 2 and solid adsorbent column 3 to form a sample, and the sample is pretreated and extracted (hydrochloric acid treatment/toluene-Soxhlet extraction method) to remove chlorine compounds. analysis and clean-up separation by silica gel chromatography after treatment with sulfuric acid to remove CB and CP by GC/M
PCDD and PCDF were measured by GC/MS after clean-up separation by basic alumina column chromatography.
発明が解決しようとする課題
しかし、上記した従来の構成では同一の試料から溶媒を
用いて多数成分の脱離を行って測定するために、前処理
やクリーンアップなどの繁雑な操作と高額な費用を要す
る問題があった。また、ＰＣＤＤ等の捕集に従来用いら
れて固体吸着剤は、モノクロロベンゼンの捕集能力が低
いという欠点を有し、さらに加熱安定性に難があるため
に、ＱＣへの導入方法として加熱脱離法を適用すること
はできなかった。Problems to be Solved by the Invention However, in the conventional configuration described above, multiple components are desorbed and measured from the same sample using a solvent, which requires complicated operations such as pretreatment and cleanup, and high costs. There was a problem that required In addition, solid adsorbents conventionally used to collect PCDD, etc. have the disadvantage of low monochlorobenzene collection ability, and also have poor thermal stability, so thermal desorption is not recommended as a method for introducing them into QC. The separation law could not be applied.
本発明は上記課題を解決するもので、容易にかつ安価に
クロロベンゼン類の測定を行うことができる焼却炉排ガ
ス中の微量有機物質の測定方法を提供することを目的と
する。The present invention solves the above problems, and aims to provide a method for measuring trace amounts of organic substances in incinerator exhaust gas, which enables easy and inexpensive measurement of chlorobenzenes.
課題を解決する′ための手段
上記課題を解決するために本発明は、インビンジャーに
挿通して水分を除去した後の排ガスを、前後に二段に配
置された吸着剤充填管に挿通して排ガス中の有機物質を
吸着剤充填管に充填された固体吸着剤に吸着して試料を
形成し、この試料に含まれたクロロベンゼンとその同族
体（以下クロロベンゼン類と称す）と異性体を加熱脱離
装置を用いて脱離した後に、分析計に導入してその成分
量を測定する構成としたものである。Means for Solving the Problems In order to solve the above problems, the present invention provides a system in which the exhaust gas, which has been passed through an inbinger to remove moisture, is passed through adsorbent-filled pipes arranged in two stages, front and back. A sample is formed by adsorbing organic substances in the exhaust gas to a solid adsorbent packed in an adsorbent-filled tube, and chlorobenzene, its congeners (hereinafter referred to as chlorobenzenes), and isomers contained in this sample are removed by heat. After desorption using a desorption device, the component is introduced into an analyzer to measure the amount of the component.
作用
上記した構成により、クロロベンゼン類の捕集を排ガス
中の他の成分の捕集とは別個に行うことにより、捕集に
要する装置の構成が簡略化されるとともに、多量のガス
捕集を行う必要がなくなることにより捕集に要する時間
が短縮され、モノクロロベンゼンの捕集も行うことがで
きる。Effect With the above-described configuration, by performing the collection of chlorobenzenes separately from the collection of other components in the exhaust gas, the configuration of the device required for collection is simplified, and a large amount of gas can be collected. Since this is no longer necessary, the time required for collection is shortened, and monochlorobenzene can also be collected.
さらに、分析にあたっては加熱による脱離方法を適用で
きるので試料を前処理する必要がなく短時間で分析する
ことができる。Furthermore, since a desorption method by heating can be applied to the analysis, there is no need to pre-treat the sample and the analysis can be performed in a short time.
実施例
以下本発明の一実施例を図面に基づいて説明する。第１
図において、煙道１】にガラス管１２およびテフロン管
１３を介して連通ずるインビンジャー１４は一対のドレ
ントラップ１４ａ、１４ｂで構成されており、前段のド
レントラップ１４ａにはジエチレングリコールが封入さ
れ、後段のドレントラップ１４ｂにはポリプロピレン綿
Ｉ５および塩化カルシウム１６が積層されている。EXAMPLE An example of the present invention will be described below based on the drawings. 1st
In the figure, an inbinger 14 that communicates with a flue 1 through a glass tube 12 and a Teflon tube 13 is composed of a pair of drain traps 14a and 14b. Polypropylene cotton I5 and calcium chloride 16 are laminated on the drain trap 14b.
そして、インビンジャー１４は通気管１７を介して真空
ポンプ１８に連通しており、真空ポンプ１８の吐出側に
はガスメータ１９が連通している。また、通気管１７の
途中には吸着剤充填管２０．２１が前後に二段に配置さ
れており、吸着剤充填管２０．２１は通気管１７に着脱
自在に設けられるとともに、固体吸着剤２２もしくは吸
着樹脂剤が充填されている。この固体吸着剤２２として
はポリマービーズ（２Ｇ−ＤｉＰｈｅｎｙｌ−ｐ−Ｐｈ
ｅｎｙｌｅｎｅ ０ｘ１ｄｅをベースとする）が用いら
れている。また、吸着剤充填管２０．２１を二段に設け
ているのは、濃度が非常に高い場合に一段目において破
過を生じることもあり得るので、その対応のためであり
、このことにより完全にクロロベンゼン類等の有機物を
吸着することができる。The inbinger 14 communicates with a vacuum pump 18 via a vent pipe 17, and a gas meter 19 communicates with the discharge side of the vacuum pump 18. Further, in the middle of the ventilation pipe 17, adsorbent filling pipes 20.21 are arranged in two stages, front and rear. Or it is filled with an adsorbent resin agent. As this solid adsorbent 22, polymer beads (2G-DiPhenyl-p-Ph
(based on enylene 0x1de) is used. In addition, the reason why the adsorbent filling tubes 20 and 21 are provided in two stages is to cope with the possibility that breakthrough may occur in the first stage when the concentration is extremely high. can adsorb organic substances such as chlorobenzenes.
以下、上記構成における作用について説明する。Hereinafter, the effects of the above configuration will be explained.
真空ポンプ１８を駆動し、煙道１１の内部を流通する排
ガスをガラス管１２およびテフロン管１３を通してイン
ビンジャー１４に挿通する。そして、インビンジャー１
４において排ガス中の水分を除去し、水分を除去した後
の排ガスを、吸着剤充填管２０．２１に挿通して排ガス
中の微量物質を捕集する。The vacuum pump 18 is driven to pass the exhaust gas flowing through the flue 11 into the inbinger 14 through the glass tube 12 and the Teflon tube 13. And Inbinger 1
In step 4, the moisture in the exhaust gas is removed, and the exhaust gas after moisture removal is passed through the adsorbent-filled pipes 20 and 21 to collect trace substances in the exhaust gas.
このとき、インビンジャー１４においては、前段のドレ
ントラップ１４ａでほとんどの除湿を行い、後段のドレ
ントラップ１４ｂにおいて排ガス中に残留する水分を塩
化カルシウム１Ｂによって除湿する。At this time, in the inbinger 14, most of the moisture is removed by the drain trap 14a at the front stage, and the moisture remaining in the exhaust gas is dehumidified by the calcium chloride 1B at the drain trap 14b at the rear stage.
さらに、吸着剤充填管２０．２１に挿通された排ガス中
のクロロベンゼンを吸着剤充填管２０．２１の固体吸着
剤２２で吸着して試料を形成する。そして、捕集作業の
終了後に、吸着剤充填管２０．２１を通気管１７から取
り外し、測定作業を行う。Furthermore, chlorobenzene in the exhaust gas passed through the adsorbent-filled tube 20.21 is adsorbed by the solid adsorbent 22 of the adsorbent-filled tube 20.21 to form a sample. After the collection work is completed, the adsorbent filling pipes 20 and 21 are removed from the ventilation pipe 17 and the measurement work is performed.
この測定作業は、吸着充填管２０．２１を加熱脱離装置
によって加熱し、試料に含まれたクロロベンゼン類を脱
離させ、液体窒素で冷却したキャピラリー管にトラップ
した後、急速に２５０℃まで加熱してＧＣ／ＭＳ （質
量分析計）に導入することにより行った。第１表に測定
結果として、各吸着充填管での捕集量を排ガス中濃度に
換算した値（μｇ／ｍ３Ｎ）を示す。This measurement work involves heating the adsorption-filled tube 20.21 with a thermal desorption device to desorb the chlorobenzenes contained in the sample, trapping it in a capillary tube cooled with liquid nitrogen, and then rapidly heating it to 250°C. This was carried out by introducing the sample into a GC/MS (mass spectrometer). As the measurement results, Table 1 shows the values (μg/m3N) obtained by converting the amount collected in each adsorption-filled tube into the concentration in exhaust gas.
したがって、クロロベンゼン類の捕集を排ガス中の他の
成分の捕集とは別個に行うことにより、捕集に要する装
置の構成が簡略化されるとともに、多量のガス捕集を行
う必要がなくなることにより捕集に要する時間が短縮さ
れる。Therefore, by performing the collection of chlorobenzenes separately from the collection of other components in the exhaust gas, the configuration of the equipment required for collection is simplified and there is no need to collect large amounts of gas. This reduces the time required for collection.
さらに、分析にあたっては加熱脱離方法を適用第１表
することができるので試料に対し、複雑な前処理を施す
必要がなくなり、短時間で分析することができる。Furthermore, since the thermal desorption method can be applied to the analysis, it is not necessary to perform complicated pretreatment on the sample, and the analysis can be performed in a short time.
なお、分析装置としてはＧＣ−ＥＣＤ （有機塩素系化
合物に対して選択的に高感度な分析計）を用いることも
可能である。Note that it is also possible to use a GC-ECD (analyzer that is selectively sensitive to organic chlorine compounds) as the analyzer.
発明の効果
以上述べたように本発明によれば、クロロベンゼン類の
捕集を排ガス中の他の成分の捕集とは別個に行うことに
より、捕集に要する装置を簡略化することができるとと
もに、多量のガス捕集を行う必要がなくなることにより
、捕集に要する時間を短縮することができる。Effects of the Invention As described above, according to the present invention, by performing the collection of chlorobenzenes separately from the collection of other components in the exhaust gas, it is possible to simplify the equipment required for collection. Since there is no need to collect a large amount of gas, the time required for collection can be shortened.
さらに、分析にあたっては加熱脱離方法を適用すること
ができるので試料に対し、複雑な前処理を施す必要がな
くなり、短時間で分析することができる。Furthermore, since a thermal desorption method can be applied to the analysis, it is not necessary to perform complicated pretreatment on the sample, and the analysis can be performed in a short time.
第１図は本発明の一実施例を示す捕集装置の全体構成図
、第２図は従来の捕集装置の全体構成図である。
１１・・・煙道、１４・・・インビンジャー、２０．２
１・・・吸着剤充填管。FIG. 1 is an overall configuration diagram of a collection device showing an embodiment of the present invention, and FIG. 2 is an overall configuration diagram of a conventional collection device. 11... Flue, 14... Inbinger, 20.2
1... Adsorbent filling tube.
Claims (1)
スを、前後に二段に配置された吸着剤充填管に挿通して
排ガス中の有機物質を吸着剤充填管に充填された固体吸
着剤に吸着して試料を形成し、この試料に含まれたクロ
ロベンゼンとその同族体と異性体を加熱脱離装置を用い
て脱離した後に、分析計に導入してその成分量を測定す
ることを特徴とする焼却炉排ガス中の微量有機物質の測
定方法。1. After removing moisture by passing the exhaust gas through an inbinger, the exhaust gas is passed through adsorbent-filled tubes arranged in two stages, front and back, and the organic substances in the exhaust gas are removed using solid adsorbents filled in the adsorbent-filled tubes. chlorobenzene and its homologs and isomers contained in this sample are desorbed using a thermal desorption device, and then introduced into an analyzer to measure the amount of the components. Characteristic method for measuring trace amounts of organic substances in incinerator exhaust gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28820190A JPH04161849A (en) | 1990-10-25 | 1990-10-25 | Method for measuring minute amount of organic material in exhaust gas from incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28820190A JPH04161849A (en) | 1990-10-25 | 1990-10-25 | Method for measuring minute amount of organic material in exhaust gas from incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04161849A true JPH04161849A (en) | 1992-06-05 |
Family
ID=17727127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28820190A Pending JPH04161849A (en) | 1990-10-25 | 1990-10-25 | Method for measuring minute amount of organic material in exhaust gas from incinerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04161849A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998029692A1 (en) | 1996-12-30 | 1998-07-09 | Honda Giken Kogyo Kabushiki Kaisha | Combustion equipment for flue gas exhausting plants |
| GB2344653A (en) * | 1998-11-26 | 2000-06-14 | Markes International Limited | Analysing components of gases or vapours |
| US6435113B1 (en) | 1996-12-06 | 2002-08-20 | Nkk Corporation | Incineration apparatus and method which suppress generation of dioxins |
| US6580067B1 (en) | 1999-11-19 | 2003-06-17 | Hitachi, Ltd. | Sample analyzing monitor and combustion control system using the same |
| US6723286B2 (en) | 1998-11-25 | 2004-04-20 | Hitachi, Ltd. | Chemical monitoring method and apparatus, and incinerator |
| JP2009198453A (en) * | 2008-02-25 | 2009-09-03 | Mitsubishi Heavy Ind Ltd | Online simplified measuring device and method of organic halide in gas |
-
1990
- 1990-10-25 JP JP28820190A patent/JPH04161849A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6435113B1 (en) | 1996-12-06 | 2002-08-20 | Nkk Corporation | Incineration apparatus and method which suppress generation of dioxins |
| WO1998029692A1 (en) | 1996-12-30 | 1998-07-09 | Honda Giken Kogyo Kabushiki Kaisha | Combustion equipment for flue gas exhausting plants |
| US6189460B1 (en) | 1996-12-30 | 2001-02-20 | Honda Giken Kogyo Kabushiki Kaisha | Combustion system for sooty smoke generating facilities |
| US6723286B2 (en) | 1998-11-25 | 2004-04-20 | Hitachi, Ltd. | Chemical monitoring method and apparatus, and incinerator |
| GB2344653A (en) * | 1998-11-26 | 2000-06-14 | Markes International Limited | Analysing components of gases or vapours |
| GB2344653B (en) * | 1998-11-26 | 2003-01-22 | Markes Int Ltd | Sample analysing method and apparatus |
| US6580067B1 (en) | 1999-11-19 | 2003-06-17 | Hitachi, Ltd. | Sample analyzing monitor and combustion control system using the same |
| JP2009198453A (en) * | 2008-02-25 | 2009-09-03 | Mitsubishi Heavy Ind Ltd | Online simplified measuring device and method of organic halide in gas |
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