JPH0810565A - Carbon dioxide capture device - Google Patents
Carbon dioxide capture deviceInfo
- Publication number
- JPH0810565A JPH0810565A JP6144558A JP14455894A JPH0810565A JP H0810565 A JPH0810565 A JP H0810565A JP 6144558 A JP6144558 A JP 6144558A JP 14455894 A JP14455894 A JP 14455894A JP H0810565 A JPH0810565 A JP H0810565A
- Authority
- JP
- Japan
- Prior art keywords
- chimney
- gas
- liquid
- absorption
- carbon dioxide
- 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
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
(57)【要約】
【目的】 既設の設備を有効に利用しながら二酸化炭素
の回収を行う。
【構成】 燃焼装置１から排出された後、煙突２から大
気に開放される排ガス中の二酸化炭素を除去する装置に
おいて、前記煙突２の一部を、ガスとアルカノールアミ
ン溶液等の吸収液とを気液接触させて、ガス中の二酸化
炭素を吸収液に吸収除去させる吸収塔１０として形成し
たことを特徴としている。
(57) [Summary] [Purpose] Carbon dioxide is collected while making effective use of existing equipment. In a device for removing carbon dioxide in exhaust gas released from a combustion device 1 to the atmosphere through a chimney 2, a part of the chimney 2 is supplied with a gas and an absorbing liquid such as an alkanolamine solution. It is characterized in that it is formed as an absorption tower 10 which is brought into contact with gas and liquid to absorb and remove carbon dioxide in the gas into the absorbing liquid.
Description
【０００１】[0001]
【産業上の利用分野】本発明はボイラ等の燃焼装置など
から排出される排ガス中の二酸化炭素（以下「ＣＯ2 」
という。）を回収するＣＯ2 回収装置に関するものであ
る。BACKGROUND OF THE INVENTION The present invention relates to carbon dioxide (hereinafter referred to as "CO 2 ") in exhaust gas discharged from a combustion device such as a boiler.
Say. ) For recovering CO 2 ).
【０００２】[0002]
【従来の技術】近年、人工的に排出されるＣＯ2 などの
温室効果による気候の温暖化や、フロンなどの安定化合
物によるオゾン層の破壊等、地球レベルでの環境破壊が
問題となっている。このうち、地球温暖化にからむＣＯ
2 問題を考えた場合、種々のＣＯ2 排出源があるが、こ
れらを全て同様の技術で対応できるとは考え難い。差し
当り１ケ所から大量に排出されるＣＯ2 を処理すること
が提案されており、具体的には、発電所、製鉄所、セメ
ント工業、化学コンビナートなどに備えられている燃焼
装置例えばボイラから排出される燃焼排ガスには多くの
ＣＯ2 が含まれているため、燃焼排ガスを大気に放出す
る前にガス中のＣＯ2 を分離回収することが試みられて
いる。2. Description of the Related Art In recent years, global warming of the climate due to greenhouse effects such as artificially emitted CO 2 and destruction of the ozone layer due to stable compounds such as CFCs have become a problem of environmental destruction at the global level. . Of these, CO associated with global warming
When considering the two problems, there are various CO 2 emission sources, but it is difficult to think that all of them can be dealt with by similar technologies. It has been proposed to treat a large amount of CO 2 emitted from one place for the time being, specifically, from a combustion device such as a boiler provided in a power plant, an iron mill, the cement industry, a chemical complex, etc. Since the generated combustion exhaust gas contains a large amount of CO 2 , it has been attempted to separate and recover the CO 2 in the gas before releasing the combustion exhaust gas to the atmosphere.
【０００３】ＣＯ2 を除去する方法として乾式及び湿式
の吸収法があるが、ガスの処理には効率的にもコスト的
にも有利である湿式の吸収法を用いることが検討されて
いる。その湿式の吸収法は、アルカノールアミン溶液等
の吸収液とＣＯ2 を含むガスとを気液接触させて、ガス
中のＣＯ2 を吸収液に吸収除去させるものである。As a method for removing CO 2 , there are a dry type absorption method and a wet type absorption method, but it has been considered to use a wet absorption method which is advantageous in gas treatment in terms of efficiency and cost. Absorption method of the wet process, and a gas containing absorbing solution and CO 2, such as an alkanolamine solution by contacting the gas-liquid, but for absorbing and removing CO 2 in the gas to the absorbing liquid.
【０００４】[0004]
【発明が解決しようとする課題】ところで、燃焼装置例
えばボイラからの燃焼排ガスは、図２に示すように、ボ
イラ１から排出されて排ガスダクト３を流れると先ず電
気集塵機４でガス中のダストが除去されて脱塵処理され
る。そして脱硝装置５及び脱硫装置６を介して脱硝及び
脱硫処理された後煙突２から大気に開放される。このた
め、前記吸収液とガスとを接触させる場合には、脱硫処
理後の精製されたガスと接触させることがよく、脱硫装
置６と煙突２の間のダクト３にＣＯ2 回収装置の吸収塔
を介設することが提案される。しかし、そのように吸収
塔を新たに介設する場合には、吸収塔を設置するための
場所を確保したり相当額の設備費を要する等の問題があ
る。By the way, as shown in FIG. 2, when combustion exhaust gas from a combustion apparatus, such as a boiler, is discharged from the boiler 1 and flows through the exhaust gas duct 3, first, dust in the gas is removed by the electrostatic precipitator 4. It is removed and dedusted. Then, after being denitrated and desulfurized through the denitration device 5 and the desulfurization device 6, the chimney 2 is opened to the atmosphere. Therefore, when bringing the absorbing liquid and the gas into contact with each other, it is preferable to bring them into contact with the purified gas after desulfurization treatment, and the absorption tower of the CO 2 recovery device is provided in the duct 3 between the desulfurization device 6 and the chimney 2. It is proposed to intervene. However, when such an absorption tower is newly installed, there are problems such as securing a place for installing the absorption tower and requiring a considerable amount of equipment cost.
【０００５】そこで、本発明は、このような実情に鑑み
なされたものであり、その目的は、既設の設備を有効に
利用しながらＣＯ2 の回収を行えるＣＯ2 回収装置を提
供することにある。Therefore, the present invention has been made in view of such a situation, and an object thereof is to provide a CO 2 recovery device capable of recovering CO 2 while effectively utilizing existing equipment. .
【０００６】[0006]
【課題を解決するための手段】前記目的を達成するため
に、本発明のＣＯ2 回収装置は、燃焼装置から排出され
た後、煙突から大気に開放される排ガス中のＣＯ2 を回
収する装置において、前記煙突の一部を、ガスとアルカ
ノールアミン溶液等の吸収液とを気液接触させて、ガス
中のＣＯ2 を吸収液に吸収させる吸収塔として形成した
ものである。In order to achieve the above object, a CO 2 recovery device of the present invention is a device for recovering CO 2 in exhaust gas released from a combustion device and then released from a chimney to the atmosphere. In the above, a part of the chimney is formed as an absorption tower in which gas is brought into gas-liquid contact with an absorbing solution such as an alkanolamine solution to absorb CO 2 in the gas into the absorbing solution.
【０００７】[0007]
【作用】煙突は、排ガスを高空から大気に放出する構造
物であったが、この煙突の一部をガス中のＣＯ2 を除去
する吸収塔として形成し、ＣＯ2 を回収する機能をも持
たせた。すなわち、煙突の一部が吸収塔に転用され、排
ガスは煙突を通る間に吸収液と気液接触して、ガス中の
ＣＯ2 が吸収除去されてから大気に開放されることにな
る。従って、吸収塔を別途構築することなくＣＯ2 の回
収を行え、既設の設備を有効に利用しながら脱炭酸過程
をプロセスに組み込めることになる。The chimney was a structure that discharges exhaust gas from the high altitude to the atmosphere. A part of the chimney is formed as an absorption tower for removing CO 2 in the gas, and also has a function of recovering CO 2. Let That is, a part of the chimney is diverted to the absorption tower, and the exhaust gas comes into gas-liquid contact with the absorbing liquid while passing through the chimney, and CO 2 in the gas is absorbed and removed before being released to the atmosphere. Therefore, CO 2 can be recovered without separately constructing an absorption tower, and the decarboxylation process can be incorporated into the process while effectively utilizing the existing equipment.
【０００８】[0008]
【実施例】以下、本発明の一実施例を添付図面に基づい
て詳述する。An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
【０００９】図１において、１は燃焼装置としてのボイ
ラを示し、このボイラ１は、石炭等の燃料を燃焼させ
て、発電用蒸気タービン等に供給される蒸気を発生させ
るものである。In FIG. 1, reference numeral 1 denotes a boiler as a combustion device. The boiler 1 burns fuel such as coal to generate steam to be supplied to a steam turbine for power generation.
【００１０】ボイラ１には、燃焼排ガスを煙突２に導く
ための排ガスダクト３が接続され、この排ガスダクト３
には、電気集塵機（ＥＰ）４、例えば排ガス中にアンモ
ニア等を吹き込んでＮＯｘを除去する脱硝装置５、その
脱硝後の排ガスと例えば石灰石スラリー吸収液とを接触
させてＳＯｘを除去する脱硫装置６が順に介設されてい
る。排ガスダクト３は煙突２の下部に接続され、ダクト
３を介した脱じん、脱硝及び脱硫処理された排ガスが煙
突２内を上昇して煙突２の頂部から大気に開放されるよ
うになっている。An exhaust gas duct 3 for guiding combustion exhaust gas to a chimney 2 is connected to the boiler 1, and this exhaust gas duct 3
Are an electrostatic precipitator (EP) 4, a denitrification device 5 for removing NOx by blowing ammonia or the like into the exhaust gas, and a desulfurization device 6 for removing SOx by contacting the exhaust gas after denitration with, for example, a limestone slurry absorption liquid. Are installed in order. The exhaust gas duct 3 is connected to the lower part of the chimney 2, and the exhaust gas that has undergone dedusting, denitration and desulfurization through the duct 3 rises inside the chimney 2 and is released from the top of the chimney 2 to the atmosphere. .
【００１１】煙突２内のダクト接続部より上方には、ラ
シヒリング等の充填層７が複数（図示例では３段）設け
られていると共に、この充填層７の上方には、煙突２内
にＭＥＡ，ＤＥＡ，ＴＥＡなどのアルカノールアミンの
溶液等の吸収液を噴霧するスプレーノズル８が設けら
れ、このスプレーノズル８から噴霧された吸収液（例え
ばＭＥＡ溶液（モノエタノールアミン溶液））と排ガス
とが主に充填層７で向流接触してガス中のＣＯ2 が吸収
液に吸収除去されるようになっており、煙突２の一部が
ＣＯ2 回収装置９の吸収塔１０として形成されることに
なる。A plurality of packing layers 7 such as Raschig rings (three steps in the illustrated example) are provided above the duct connection portion in the chimney 2, and above the packing layer 7, the MEA is provided inside the chimney 2. , DEA, TEA, and the like, a spray nozzle 8 for spraying an absorbing solution such as a solution of an alkanolamine is provided, and the absorbing solution (for example, MEA solution (monoethanolamine solution)) and the exhaust gas sprayed from the spray nozzle 8 are mainly used. The CO 2 in the gas is absorbed and removed by the absorbing liquid by making countercurrent contact with the packed bed 7 in the packed bed 7, and a part of the chimney 2 is formed as the absorption tower 10 of the CO 2 recovery device 9. Become.
【００１２】ＣＯ2 を吸収した吸収液は、煙突２内の下
部に溜まり、その底部には吸収液再生ライン１１が接続
されている。吸収液再生ライン１１は、フィルタ１２及
び第１熱交換器１３を介してノックアウトドラム１４に
接続されている。ノックアウトドラム１４は除塵及び昇
温された吸収液から気体（ＣＯ2 ）を分離するもので、
分離されたＣＯ2 はＣＯ2 コンプレッサ１５で圧縮され
てから第２アキュムレータ１６に導かれ、そこからＣＯ
2 貯蔵設備１７に導かれるようになっている。一方、吸
収液は第１ポンプ１８により第２熱交換器１９を介して
からＣＯ2 再生塔２０に供給されるようになっている。The absorption liquid that has absorbed CO 2 is collected in the lower part of the chimney 2, and the absorption liquid regeneration line 11 is connected to the bottom of the absorption liquid. The absorption liquid regeneration line 11 is connected to the knockout drum 14 via the filter 12 and the first heat exchanger 13. The knockout drum 14 separates gas (CO 2 ) from the dust-removed and heated absorption liquid.
The separated CO 2 is compressed by the CO 2 compressor 15 and then guided to the second accumulator 16, from which CO 2 is discharged.
2 It is designed to be guided to the storage facility 17. On the other hand, the absorption liquid is supplied to the CO 2 regeneration tower 20 by the first pump 18 via the second heat exchanger 19.
【００１３】再生塔２０は、ＣＯ2 を吸収した吸収液か
らＣＯ2 を放出させて吸収液の再生を行うもので、再生
塔２０内の吸収液の一部を抜き出し、この液を所定の温
度に昇温するリボイラ２１と吸収液中の不純物を除去す
るリクレイマ２２が備えられている。これらリボイラ２
１及びリクレイマ２２は蒸気を熱源としており、リボイ
ラ２１及びリクレイマ２２により昇温された吸収液が再
生塔２０に戻されて、再生塔２０内の温度が所定の温度
に制御されるようになっている。具体的には、吸収液が
ＭＥＡ溶液の場合には、再生塔２０内の温度が約 110〜
120 ℃になるようにリボイラ２１及びリクレイマ２２で
吸収液が昇温されるようになっている。これは、吸収液
の温度が約 110〜120 ℃であると、吸収液（ＭＥＡ溶
液）からＣＯ2 が放出されて、吸収液が再生されるから
である。放出されたＣＯ2 は、煙突２内のスプレーノズ
ル８の上方に設けられた加熱器２３の熱源として用いら
れる。その加熱器２３は、排ガスを所定温度例えば80℃
まで昇温して白煙を防止するためのものである。そし
て、ＣＯ2 は加熱器２３から熱交換器２４を介して冷却
された後第１アキュムレータ２５に送られ、一部がＣＯ
2 貯蔵設備１７で貯蔵されると共に、残りがポンプ２６
を介して再生塔２０に戻されるようになっている。[0013] regenerator 20 is for performing playback from the absorbing liquid that has absorbed CO 2 absorption liquid to release CO 2, withdrawing a portion of the absorbent in the regenerator 20, the temperature of this solution given A reboiler 21 for raising the temperature to 2 and a reclaimer 22 for removing impurities in the absorption liquid are provided. These reboilers 2
1 and the reclaimer 22 use steam as a heat source, the absorption liquid heated by the reboiler 21 and the reclaimer 22 is returned to the regeneration tower 20, and the temperature inside the regeneration tower 20 is controlled to a predetermined temperature. There is. Specifically, when the absorbing liquid is a MEA solution, the temperature in the regeneration tower 20 is about 110-
The absorption liquid is heated by the reboiler 21 and the reclaimer 22 so as to reach 120 ° C. This is because when the temperature of the absorbing liquid is about 110 to 120 ° C., CO 2 is released from the absorbing liquid (MEA solution) and the absorbing liquid is regenerated. The released CO 2 is used as a heat source for the heater 23 provided above the spray nozzle 8 in the chimney 2. The heater 23 has a temperature of the exhaust gas at a predetermined temperature, for example, 80 ° C.
The temperature is raised to prevent white smoke. Then, the CO 2 is cooled from the heater 23 via the heat exchanger 24 and then sent to the first accumulator 25, and a part of the CO 2 is discharged.
2 While being stored in the storage facility 17, the rest is pump 26
It is returned to the regeneration tower 20 via the.
【００１４】再生塔２０の底部には、再生された吸収液
（ＣＯ2 を放出した吸収液）を前記スプレーノズル８に
供給する吸収液ライン２７が接続されている。吸収液ラ
イン２７には、前記第２熱交換器１９、第１熱交換器１
３、熱交換器２８及び第２ポンプ２９が順に介設され、
熱交換器１９，１３，２８を介して約50〜60℃に冷却さ
れた吸収液がスプレーノズル８に供給されるようになっ
ている。An absorption liquid line 27 is connected to the bottom of the regeneration tower 20 to supply a regenerated absorption liquid (CO 2 -releasing absorption liquid) to the spray nozzle 8. The second heat exchanger 19 and the first heat exchanger 1 are connected to the absorption liquid line 27.
3, the heat exchanger 28 and the second pump 29 are provided in this order,
The absorption liquid cooled to about 50 to 60 ° C. is supplied to the spray nozzle 8 via the heat exchangers 19, 13, 28.
【００１５】次に本実施例の作用を述べる。Next, the operation of this embodiment will be described.
【００１６】ボイラ１からの高温の燃焼排ガスは、先ず
電気集塵機４で脱じん処理され、そして脱硝装置５及び
脱硫装置６を介して脱硝及び脱硫処理される。この脱硫
処理後のガスは約48〜50℃の温度で煙突２に導かれ、煙
突２内を上昇する。この上昇の際、スプレーノズル８か
ら噴霧された吸収液（ＭＥＡ溶液（モノエタノールアミ
ン；ＯＨ・ＣＨ2 ・ＣＨ2 ・ＮＨ2 ））と充填層７等で
向流接触して、ガス中のＣＯ2 が吸収液に吸収除去され
る。このＭＥＡ溶液がＣＯ2 を吸収する場合に起る反応
は次のように表される。The high temperature combustion exhaust gas from the boiler 1 is first subjected to dedusting treatment by the electrostatic precipitator 4, and then subjected to denitration and desulfurization treatment via the denitration device 5 and the desulfurization device 6. The gas after the desulfurization treatment is guided to the chimney 2 at a temperature of about 48 to 50 ° C. and rises in the chimney 2. During this rise, the absorption liquid sprayed from the spray nozzle 8 (MEA solution (monoethanolamine; OH · CH 2 · CH 2 · NH 2)) and in contact countercurrent with a filling layer 7 or the like, CO in the gas 2 is absorbed and removed by the absorbent. The reaction that occurs when this MEA solution absorbs CO 2 is represented as follows.
【００１７】 ２ＲＮＨ2 ＋ＣＯ2 ＋Ｈ2 Ｏ→（ＲＮＨ3 ）2 ＣＯ3 （ＲＮＨ3 ）2 ＣＯ3 ＋ＣＯ2 ＋Ｈ2 Ｏ→２ＲＮＨ3 Ｈ
ＣＯ3 ２ＲＮＨ2 ＋ＣＯ2 →ＲＮＨＣＯＯＮＨ3 Ｒ ＣＯ2 が除去されたガスは、加熱器２３を介して約80℃
に昇温された後、煙突２の頂部から大気に開放される。
この際、加熱器２３で約80℃に昇温されるので、白煙を
生じない。2RNH 2 + CO 2 + H 2 O → (RNH 3 ) 2 CO 3 (RNH 3 ) 2 CO 3 + CO 2 + H 2 O → 2RNH 3 H
The gas from which CO 3 2RNH 2 + CO 2 → RNHCOONH 3 R CO 2 has been removed is heated to about 80 ° C. via the heater 23.
After the temperature is raised to 1, the top of the chimney 2 is opened to the atmosphere.
At this time, since the temperature is raised to about 80 ° C. by the heater 23, white smoke is not generated.
【００１８】ＣＯ2 を吸収した吸収液は、煙突２内を流
下して底部から吸収液再生ライン１１に流入して、フィ
ルタ１２及び第１熱交換器１３を介して、さらにノック
アウトドラム１４で気体（ＣＯ2 ）が分離されてから第
２熱交換器１９を介してＣＯ2 再生塔２０に導かれる。The absorption liquid that has absorbed CO 2 flows down in the chimney 2 and flows into the absorption liquid regeneration line 11 from the bottom, passes through the filter 12 and the first heat exchanger 13, and is further gasified by the knockout drum 14. After (CO 2 ) is separated, it is guided to the CO 2 regeneration tower 20 via the second heat exchanger 19.
【００１９】再生塔２０では、吸収液の一部が抜き出さ
れて、これがリボイラ２１及びリクレイマ２２で昇温さ
れた後、再生塔２０に戻され、再生塔２０内の温度が約
110〜120 ℃に維持される。これによって、吸収液（Ｍ
ＥＡ溶液）からＣＯ2 が放出されて、吸収液が再生され
る。In the regenerator 20, a part of the absorbing liquid is extracted, heated by the reboiler 21 and the reclaimer 22, and then returned to the regenerator 20, so that the temperature in the regenerator 20 is approximately the same.
Maintained at 110-120 ° C. As a result, the absorption liquid (M
CO 2 is released from the EA solution) to regenerate the absorbing solution.
【００２０】ＣＯ2 は、排ガスの昇温に寄与した後、熱
交換器２４を介して第１アキュムレータ２５に導かれ、
一部がポンプ２６を介して再生塔２０に戻されると共
に、残りはＣＯ2 貯蔵設備１７に送られてそこに貯蔵さ
れる。そのＣＯ2 貯蔵設備１７には、ノックアウトドラ
ム１４で分離され、ＣＯ2 コンプレッサ１５及び第２ア
キュムレータ１６を介したＣＯ2 が導かれる。After contributing to the temperature rise of the exhaust gas, CO 2 is introduced to the first accumulator 25 via the heat exchanger 24,
A part is returned to the regeneration tower 20 via the pump 26, and the rest is sent to the CO 2 storage facility 17 and stored therein. Its CO 2 storage facilities 17, separated in the knock-out drum 14, CO 2 via the CO 2 compressor 15 and the second accumulator 16 is guided.
【００２１】再生された吸収液（ＣＯ2 を放出した吸収
液）は、第２熱交換器１９、第１熱交換器１３、熱交換
器２８を介して約50〜60℃に冷却された後、第２ポンプ
２９により再度ＣＯ2 の回収に寄与されるべくスプレー
ノズル８に供給される。The regenerated absorption liquid (CO 2 -releasing absorption liquid) is cooled to about 50 to 60 ° C. through the second heat exchanger 19, the first heat exchanger 13, and the heat exchanger 28. , And is supplied to the spray nozzle 8 by the second pump 29 so as to contribute to the recovery of CO 2 again.
【００２２】このように、煙突２の一部がＣＯ2 回収装
置９の吸収塔１０として形成されるため、排ガスは煙突
２を通る間に吸収液と気液接触して、ガス中のＣＯ2 が
吸収除去されてから大気に開放されるので、ＣＯ2 回収
装置９の吸収塔１０を別途構築する必要がない。すなわ
ち、煙突２は、脱硝，脱硫処理等の精製された排ガスを
高空から大気に放出する構造物であったが、この煙突２
の一部をガス中のＣＯ2 を除去する吸収塔１０として形
成、つまり煙突２の一部を吸収塔１０に転用して、ＣＯ
2 を回収する機能を持たせることで、ＣＯ2 吸収塔を別
途構築することなく、ＣＯ2 の回収を図れる。従って、
吸収塔を設置する場所の問題が起きないと共に、吸収塔
を構築する費用を削減でき設備費の高騰を抑制すること
ができ、既設の設備を有効に利用しながら脱炭酸過程を
排ガス処理プロセスに組み込むことができる。Since a part of the chimney 2 is formed as the absorption tower 10 of the CO 2 recovery device 9 as described above, the exhaust gas comes into gas-liquid contact with the absorbing liquid while passing through the chimney 2, and CO 2 in the gas is discharged. Is absorbed and removed and then opened to the atmosphere, there is no need to separately construct the absorption tower 10 of the CO 2 recovery device 9. That is, the chimney 2 is a structure that emits purified exhaust gas from denitration, desulfurization, etc. from the high altitude to the atmosphere.
Part of the chimney 2 is formed as an absorption tower 10 for removing CO 2 in the gas, that is, part of the chimney 2 is diverted to the absorption tower 10,
By providing the ability to collect the 2, without building a CO 2 absorption tower separately, thereby the recovery of CO 2. Therefore,
The problem of where to install the absorption tower does not occur, the cost of constructing the absorption tower can be reduced and the rise in equipment cost can be suppressed, and the decarbonation process can be used as an exhaust gas treatment process while effectively utilizing the existing equipment. Can be incorporated.
【００２３】[0023]
【発明の効果】以上要するに本発明によれば、煙突の一
部を、ガス中のＣＯ2 を除去する吸収塔として形成した
ので、ＣＯ2 吸収塔を別途構築することなくＣＯ2 の除
去を行え、既設の設備を有効に利用しながら脱炭酸過程
をプロセスに組み込めるという優れた効果を奏する。According to the above summary the present invention, a portion of the chimney, so formed as absorption column for removing CO 2 in the gas, can in the removal of CO 2 without building a CO 2 absorption tower separately , It has an excellent effect that the decarbonation process can be incorporated into the process while effectively utilizing the existing equipment.
【図１】本発明の一実施例を示す構成図である。FIG. 1 is a configuration diagram showing an embodiment of the present invention.
【図２】従来の排ガス処理工程の一例を示す構成図であ
る。FIG. 2 is a configuration diagram showing an example of a conventional exhaust gas treatment process.
１ 燃焼装置（ボイラ） ２ 煙突 １０ 吸収塔 1 Combustor (boiler) 2 Chimney 10 Absorption tower
Claims (1)
気に開放される排ガス中の二酸化炭素を回収する装置に
おいて、前記煙突の一部を、ガスとアルカノールアミン
溶液等の吸収液とを気液接触させて、ガス中の二酸化炭
素を吸収液に吸収させる吸収塔として形成したことを特
徴とする二酸化炭素回収装置。1. A device for recovering carbon dioxide in exhaust gas released from a combustion device and released to the atmosphere from a chimney, wherein a part of the chimney is vaporized with a gas and an absorption liquid such as an alkanolamine solution. A carbon dioxide recovery device, which is formed as an absorption tower which is brought into liquid contact to absorb carbon dioxide in a gas into an absorption liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14455894A JP3381390B2 (en) | 1994-06-27 | 1994-06-27 | Carbon dioxide capture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14455894A JP3381390B2 (en) | 1994-06-27 | 1994-06-27 | Carbon dioxide capture device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0810565A true JPH0810565A (en) | 1996-01-16 |
| JP3381390B2 JP3381390B2 (en) | 2003-02-24 |
Family
ID=15365064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14455894A Expired - Fee Related JP3381390B2 (en) | 1994-06-27 | 1994-06-27 | Carbon dioxide capture device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3381390B2 (en) |
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|---|---|---|---|---|
| KR100470959B1 (en) * | 2002-11-15 | 2005-03-11 | 한국화학연구원 | Absorbent for the removal of carbon dioxide in hollow fiber membrane contactor |
| WO2011152547A1 (en) * | 2010-05-31 | 2011-12-08 | 三菱重工業株式会社 | Exhaust gas treatment system and method |
| JP2012106180A (en) * | 2010-11-17 | 2012-06-07 | Toshiba Corp | Carbon dioxide recovery apparatus and carbon dioxide recovery method |
| KR101238897B1 (en) * | 2011-08-17 | 2013-03-04 | 주식회사 포스코 | Manufacturing method and device for co2 gas absorbent |
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-
1994
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100470959B1 (en) * | 2002-11-15 | 2005-03-11 | 한국화학연구원 | Absorbent for the removal of carbon dioxide in hollow fiber membrane contactor |
| US10835862B2 (en) | 2010-05-31 | 2020-11-17 | Mitsubishi Heavy Industries Engineering, Ltd. | Air pollution control system and method |
| JPWO2011152547A1 (en) * | 2010-05-31 | 2013-08-01 | 三菱重工業株式会社 | Exhaust gas treatment system and method |
| AU2011259874B2 (en) * | 2010-05-31 | 2014-08-14 | Mitsubishi Heavy Industries, Ltd. | Air pollution control system and method |
| US8871164B2 (en) | 2010-05-31 | 2014-10-28 | Mitsubushi Heavy Industries, Ltd. | Air pollution control system and method |
| US8894941B2 (en) | 2010-05-31 | 2014-11-25 | Mitsubishi Heavy Industries, Ltd. | Air pollution control system and method |
| US9381461B2 (en) | 2010-05-31 | 2016-07-05 | Mitsubishi Heavy Industries, Ltd. | Air pollution control system and method |
| WO2011152547A1 (en) * | 2010-05-31 | 2011-12-08 | 三菱重工業株式会社 | Exhaust gas treatment system and method |
| JP2012106180A (en) * | 2010-11-17 | 2012-06-07 | Toshiba Corp | Carbon dioxide recovery apparatus and carbon dioxide recovery method |
| KR101238897B1 (en) * | 2011-08-17 | 2013-03-04 | 주식회사 포스코 | Manufacturing method and device for co2 gas absorbent |
| JP2021187720A (en) * | 2020-06-04 | 2021-12-13 | 三菱マテリアル株式会社 | Co2 utilization method in cement manufacture waste gas and co2 utilization system |
| CN113877369A (en) * | 2020-07-03 | 2022-01-04 | 中石化石油工程技术服务有限公司 | CO capture and recovery2Chimney device |
| CN114259828A (en) * | 2021-12-27 | 2022-04-01 | 大连欣和重工有限公司 | Filtering device based on CCS MEA decarburization technology |
| WO2024111579A1 (en) * | 2022-11-22 | 2024-05-30 | 株式会社Inpex | Carbon dioxide concentration reduction system, facility for carbon dioxide concentration reduction system, and method for carbon dioxide concentration reduction |
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|---|---|
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