JPH0731830A - Carbon dioxide absorbent containing triamine compound as effective component - Google Patents

Carbon dioxide absorbent containing triamine compound as effective component

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Publication number
JPH0731830A
JPH0731830A JP5071636A JP7163693A JPH0731830A JP H0731830 A JPH0731830 A JP H0731830A JP 5071636 A JP5071636 A JP 5071636A JP 7163693 A JP7163693 A JP 7163693A JP H0731830 A JPH0731830 A JP H0731830A
Authority
JP
Japan
Prior art keywords
carbon dioxide
compound
effective component
dioxide absorbent
alkyl
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.)
Withdrawn
Application number
JP5071636A
Other languages
Japanese (ja)
Inventor
Yukiyoshi Ito
幸良 伊藤
Junzo Yamano
順三 山野
Kenji Nagasato
賢治 永里
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KOKUSAI KANKYO GIJUTSU ITEN KENKYU CENTER
KH Neochem Co Ltd
Original Assignee
KOKUSAI KANKYO GIJUTSU ITEN KENKYU CENTER
Kyowa Hakko Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KOKUSAI KANKYO GIJUTSU ITEN KENKYU CENTER, Kyowa Hakko Kogyo Co Ltd filed Critical KOKUSAI KANKYO GIJUTSU ITEN KENKYU CENTER
Priority to JP5071636A priority Critical patent/JPH0731830A/en
Publication of JPH0731830A publication Critical patent/JPH0731830A/en
Withdrawn legal-status Critical Current

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Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/40Capture or disposal of greenhouse gases of CO2
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/151Reduction of greenhouse gas [GHG] emissions, e.g. CO2

Landscapes

  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

PURPOSE:To obtain a carbon dioxide absorbent having excellent properties efficiently absorbing carbon dioxide and efficiently separating carbon dioxide even at specific temp. or lower by using a triamine compd. of a specific structure as an effective component of the absorbent. CONSTITUTION:A triamine compd. represented by the formula (wherein R<1> and R<2> may be same or different and are H or an alkyl group and R<3> is an alkyl group) is used as an effective component to constitute a carbon dioxide absorbent. As a result, the carbon dioxide absorbent containing a triamine compd. as an effective component having excellent properties efficiently absorbing carbon dioxide and efficiently separating carbon dioxide even at temp. of 100 deg.C or less can be obtained.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明はトリアミン化合物を有効
成分とする二酸化炭素吸収剤及び新規トリアミン化合物
に関する。
The present invention relates to a carbon dioxide absorbent containing a triamine compound as an active ingredient and a novel triamine compound.

【0002】[0002]

【従来の技術】式(A):2. Description of the Related Art Formula (A):

【化3】 で表されるトリアミン化合物(化合物A)を有効成分と
する二酸化炭素吸収剤が知られており、この吸収剤は二
酸化炭素を100〜160℃の温度で脱離すると報告さ
れている(USP4,112,050) 。
[Chemical 3] A carbon dioxide absorbent containing a triamine compound (compound A) represented by the following as an active ingredient is known, and this absorbent is reported to desorb carbon dioxide at a temperature of 100 to 160 ° C (USP 4,112,050). ).

【0003】また、式(B):Further, the formula (B):

【化4】 で表されるトリアミン化合物(化合物B)が高分子用の
光安定剤の原料として用いられることが知られている
(USP4,547,538) 。
[Chemical 4] It is known that the triamine compound represented by (Compound B) is used as a raw material of a light stabilizer for polymers (USP4,547,538).

【0004】[0004]

【発明が解決しようとする課題】本発明の目的は、二酸
化炭素を効率よく吸収し、かつ100℃以下の温度にお
いても二酸化炭素を効率よく脱離する優れた性質を有す
るトリアミン化合物を有効成分とする二酸化炭素吸収剤
及び新規トリアミン化合物を提供することにある。
An object of the present invention is to use a triamine compound as an active ingredient, which has excellent properties of efficiently absorbing carbon dioxide and efficiently desorbing carbon dioxide even at a temperature of 100 ° C. or lower. To provide a carbon dioxide absorbent and a novel triamine compound.

【0005】[0005]

【課題を解決するための手段】本発明は、式(I):The present invention provides the formula (I):

【化5】 (式中、R1 及びR2 は同一又は異なって水素又はアル
キルを表し、R3 はアルキルを表す)で表されるトリア
ミン化合物(化合物I)を有効成分とする二酸化炭素吸
収剤及び式(Ia):
[Chemical 5] (Wherein R 1 and R 2 are the same or different and each represents hydrogen or alkyl, and R 3 represents alkyl), and a carbon dioxide absorbent containing a triamine compound (compound I) as an active ingredient and a formula (I a ):

【化6】 (式中、R1a は水素又はアルキルを表し、R1aが水素
のとき、R2a 及びR3aは同一又は異なってアルキルを
表し、R1a がアルキルのとき、R2a 及びR3aは同一又
は異なって水素又はアルキルを表す)で表される新規ト
リアミン化合物を提供する。
[Chemical 6] (In the formula, R 1a represents hydrogen or alkyl, when R 1a is hydrogen, R 2a and R 3a are the same or different and represent alkyl, and when R 1a is alkyl, R 2a and R 3a are the same or different. Represents a hydrogen atom or an alkyl group).

【0006】式(I)及び(Ia)の定義中、アルキル
としては炭素数1〜3のアルキル、例えば、メチル、エ
チル、n−プロピル、イソプロピルが挙げられる。
In the definitions of formulas (I) and (I a ), alkyl includes alkyl having 1 to 3 carbon atoms, such as methyl, ethyl, n-propyl and isopropyl.

【0007】以下に、化合物Iの製法を説明する。The production method of compound I will be described below.

【化7】 (式中、R1 、R2 及びR3 は前記と同義である)[Chemical 7] (In the formula, R 1 , R 2 and R 3 are as defined above)

【0008】化合物III は2−アミノ−2−メチル−1
−プロパノール(以下、AMPと称する)と等モルの硫
酸とを溶媒中、50〜150℃で5時間〜3日間反応さ
せた後、濾取、洗浄することにより得られる。
Compound III is 2-amino-2-methyl-1
-Propanol (hereinafter referred to as AMP) and equimolar sulfuric acid are reacted in a solvent at 50 to 150 ° C for 5 hours to 3 days, and then collected by filtration and washed.

【0009】溶媒としては、例えばシクロヘキサン等の
脂肪族炭化水素、トルエン等の芳香族炭化水素、クロロ
ベンゼン等の芳香族炭化水素のハロゲン置換体等が挙げ
られる。
Examples of the solvent include aliphatic hydrocarbons such as cyclohexane, aromatic hydrocarbons such as toluene, and halogen-substituted aromatic hydrocarbons such as chlorobenzene.

【0010】化合物Iは化合物IIIとその1〜10倍モ
ルの化合物IIとを、溶媒の存在または不存在下に、50
〜150℃で5時間〜3日間反応させた後、水酸化ナト
リウム等のアルカリでフリー化することにより得られ
る。
The compound I is obtained by mixing the compound III with 1 to 10 times the molar amount of the compound II in the presence or absence of a solvent.
It can be obtained by reacting at ˜150 ° C. for 5 hours to 3 days and then freeing it with an alkali such as sodium hydroxide.

【0011】溶媒としては、例えば、水、シクロヘキサ
ン等の脂肪族炭化水素、トルエン等の芳香族炭化水素、
クロロベンゼン等の芳香族炭化水素のハロゲン置換体、
イソプロピルエーテル等のエーテル等があげられる。ま
た、過剰の化合物IIを溶媒として用いることもできる。
Examples of the solvent include water, aliphatic hydrocarbons such as cyclohexane, aromatic hydrocarbons such as toluene,
Halogen-substituted aromatic hydrocarbons such as chlorobenzene,
Examples thereof include ethers such as isopropyl ether. Also, an excess of compound II can be used as a solvent.

【0012】反応後、化合物Iは、例えば抽出、蒸留等
の通常の精製を行うことにより、分離、精製される。
After the reaction, the compound I is separated and purified by performing ordinary purification such as extraction and distillation.

【0013】次に、化合物Iの代表例を表1に示す。
尚、表中、化合物1、2及び3とは後記実施例1、2及
び3で得られた化合物1、2及び3に相当する。
Next, Table 1 shows typical examples of the compound I.
In the table, compounds 1, 2 and 3 correspond to compounds 1, 2 and 3 obtained in Examples 1, 2 and 3 described below.

【0014】[0014]

【表1】 [Table 1]

【0015】次に、化合物Iを有効成分とする二酸化炭
素の吸収剤について説明する。化合物Iを有効成分とす
る二酸化炭素吸収剤を約40℃において、例えば、二酸
化炭素含有排ガスと接触させ、二酸化炭素を該吸収剤に
吸収させる。次いで、吸収させた二酸化炭素を90〜1
10℃で脱離させ、二酸化炭素を回収する。
Next, a carbon dioxide absorbent containing compound I as an active ingredient will be described. A carbon dioxide absorbent containing compound I as an active ingredient is brought into contact with, for example, a carbon dioxide-containing exhaust gas at about 40 ° C. to absorb carbon dioxide into the absorbent. Then, the absorbed carbon dioxide is 90 to 1
Desorb at 10 ° C. to collect carbon dioxide.

【0016】化合物Iは通常、水または水と溶剤とで希
釈して用いられる。化合物Iを水で希釈して用いるに
は、化合物Iの濃度は10〜90wt% 、好ましくは15
〜50wt% とする。さらに、アルカリ金属の重炭酸塩、
炭酸塩等の無機化合物を加えてもよい。この場合、無機
化合物の濃度は10〜50wt% が好ましく、化合物Iは
2〜20wt% の濃度で用いられる。
The compound I is usually used by diluting it with water or water and a solvent. When compound I is used by diluting with water, the concentration of compound I is 10 to 90% by weight, preferably 15
-50 wt% In addition, alkali metal bicarbonate,
Inorganic compounds such as carbonates may be added. In this case, the concentration of the inorganic compound is preferably 10 to 50% by weight, and the compound I is used in a concentration of 2 to 20% by weight.

【0017】化合物Iを水と溶剤で希釈して用いるに
は、化合物Iの濃度は10〜90wt%、好ましくは1
5〜50wt% とする。
When compound I is used by diluting it with water and a solvent, the concentration of compound I is 10 to 90% by weight, preferably 1
5 to 50 wt%.

【0018】溶剤としては、N−アルキル化ピロリド
ン、スルホン、スルホキシド、グリコール、グルコール
エーテル等が挙げられ、水との混合比率は5〜95wt%
とする。
Examples of the solvent include N-alkylated pyrrolidone, sulfone, sulfoxide, glycol, glycol ether and the like, and the mixing ratio with water is 5 to 95 wt%.
And

【0019】かくして、本発明の二酸化炭素吸収剤は、
発電所、工場等からの排ガス中の二酸化炭素を吸収する
ことにおいて、好適に用いられる。
Thus, the carbon dioxide absorbent of the present invention is
It is preferably used in absorbing carbon dioxide in exhaust gas from power plants, factories, and the like.

【0020】[0020]

【実施例】以下に実施例を挙げて本発明をさらに詳しく
説明する。 実施例1 4,7−ジアザ−2−アミノ−2,7−ジメチ
ルオクタン(化合物1)の合成 滴下ロート、水分分離管及び攪拌棒を備えた5リットル
反応フラスコにAMP448.7g(5モル)とトルエ
ン3リットルを仕込み、攪拌下、滴下ロートより濃硫酸
490g(5モル) を約2時間で滴下した。滴下中、内
温は約60℃まで上昇するが、滴下終了後はオイルバス
加熱を行い、還流下、生成する水を水分分離管により除
いた。反応の進行に伴い内容物は、粥状〜ゼラチン状〜
固体状と変化した。水分の留出が終わった時点(8〜1
2時間)で反応液を冷却し固形物を減圧濾取し、エタノ
ールで洗浄後乾燥して、AMPの硫酸エステル676g
(収率80%)を得た。
EXAMPLES The present invention will be described in more detail with reference to the following examples. Example 1 Synthesis of 4,7-diaza-2-amino-2,7-dimethyloctane (Compound 1) AMP448.7 g (5 mol) was added to a 5 liter reaction flask equipped with a dropping funnel, a water separation tube and a stirring rod. Toluene (3 liters) was charged, and under stirring, 490 g (5 mol) of concentrated sulfuric acid was dropped from the dropping funnel in about 2 hours. During the dropping, the internal temperature rises to about 60 ° C., but after the dropping, heating in an oil bath was performed, and the produced water was removed through a water separation tube under reflux. As the reaction progresses, the content is porridge-gelatinous-
It changed to a solid state. When the water is distilled off (8 to 1
(2 hours), the reaction solution was cooled, the solid matter was collected by filtration under reduced pressure, washed with ethanol and dried to give 676 g of AMP sulfate ester.
(Yield 80%) was obtained.

【0021】次いで、コンデンサー及び攪拌棒を備えた
3リットル反応フラスコにAMPの硫酸エステル50
7.4g(3モル)、N,N−ジメチルエチレンジアミン
793.4g(9モル)及び水510mlを加え12時間
加熱還流した。反応液を冷却した後、水酸化ナトリウム
水溶液を用いて系内に存在するアミンの硫酸塩をフリー
化した。メタノール2リットルを加えて、析出した硫酸
ナトリウムを濾別した後、メタノールをロータリーエバ
ポレーターで留去し、減圧蒸留して239g(収率50
%)の化合物1を得た。
Then, AMP sulfate 50 was added to a 3 liter reaction flask equipped with a condenser and a stir bar.
7.4 g (3 mol), N, N-dimethylethylenediamine 793.4 g (9 mol) and water 510 ml were added and the mixture was heated under reflux for 12 hours. After cooling the reaction solution, the amine sulfate existing in the system was made free using an aqueous sodium hydroxide solution. After adding 2 liters of methanol and separating the precipitated sodium sulfate by filtration, methanol was distilled off by a rotary evaporator and distilled under reduced pressure to yield 239 g (yield 50
%) Of compound 1.

【0022】その物性を以下に示す。 外観:無色透明の液体 沸点:84℃/23mmHg 元素分析値(C8213 として) 測定値 : C 60.12% H 13.44% N 26.21% 計算値 : C 60.33% H 13.29% N 26.38%1 H-NMR (δ値) : 1.09(6H, s), 1.49(3H, br), 2.22(6
H, s), 2.41(6H, t), 2.45(2H, s), 2.72(2H, t) IR (cm-1) : 3300〜3400(br), 2950, 2820, 2770, 146
0, 1370, 1280, 1140, 1040
The physical properties are shown below. Appearance: colorless transparent liquid Boiling point: 84 ℃ / 23mmHg Elemental analysis value (as C 8 H 21 N 3 ) Measured value: C 60.12% H 13.44% N 26.21% Calculated value: C 60.33% H 13.29% N 26.38% 1 H -NMR (δ value): 1.09 (6H, s), 1.49 (3H, br), 2.22 (6
H, s), 2.41 (6H, t), 2.45 (2H, s), 2.72 (2H, t) IR (cm -1 ): 3300 to 3400 (br), 2950, 2820, 2770, 146
0, 1370, 1280, 1140, 1040

【0023】実施例2 4,7−ジアザ−2−アミノ−
2,4−ジメチルオクタン(化合物2)の合成 実施例1のN,N−ジメチルエチレンジアミンの代わり
にN,N'−ジメチルエチレンジアミンを用いる以外は実
施例1と同様にして化合物2を得た。
Example 2 4,7-Diaza-2-amino-
Synthesis of 2,4-dimethyloctane (Compound 2) Compound 2 was obtained in the same manner as in Example 1 except that N, N'-dimethylethylenediamine was used instead of N, N-dimethylethylenediamine in Example 1.

【0024】その物性を以下に示す。 外観:無色透明の液体 沸点:110℃/40mmHg 元素分析値(C8213 として) 測定値 : C 60.16% H 13.21% N 26.09% 計算値 : C 60.33% H 13.29% N 26.38%1 H-NMR (δ値) : 1.06(6H, s), 1.44(3H, br), 2.25(2
H, s), 2.33(3H, s), 2.45(3H, s), 2.62(4H, m) IR (cm-1) : 3300〜3400(br), 2960, 2840, 2790, 159
0, 1460, 1040
The physical properties are shown below. Appearance: colorless and transparent liquid Boiling point: 110 ° C / 40mmHg Elemental analysis value (as C 8 H 21 N 3 ) Measured value: C 60.16% H 13.21% N 26.09% Calculated value: C 60.33% H 13.29% N 26.38% 1 H -NMR (δ value): 1.06 (6H, s), 1.44 (3H, br), 2.25 (2
H, s), 2.33 (3H, s), 2.45 (3H, s), 2.62 (4H, m) IR (cm -1 ): 3300 to 3400 (br), 2960, 2840, 2790, 159
0, 1460, 1040

【0025】実施例3 4,7−ジアザ−2−アミノ−
2,4,7−トリメチルオクタン(化合物3)の合成 実施例1において、N,N−ジメチルエチレンジアミン
の代わりにN,N,N'−トリメチルエチレンジアミンを
用いる以外は実施例1と同様にして化合物3を得た。
Example 3 4,7-Diaza-2-amino-
Synthesis of 2,4,7-trimethyloctane (Compound 3) Compound 3 was prepared in the same manner as in Example 1 except that N, N, N'-trimethylethylenediamine was used instead of N, N-dimethylethylenediamine. Got

【0026】その物性を以下に示す。 外観:無色透明の液体 沸点:76℃/12mmHg 元素分析値(C9233 として) 測定値 : C 61.26% H 12.40% N 23.21% 計算値 : C 62.38% H 13.38% N 24.25%1 H-NMR (δ値) : 1.10(6H, s), 1.70(1H, br), 2.24(6
H, s), 2.25(2H, s), 2.36(3H, s), 2.40(2H, m), 2.59
(2H, m) IR (cm-1) : 3300〜3400(br), 2940, 2750, 1460, 112
0, 1035, 840
The physical properties are shown below. Appearance: colorless transparent liquid Boiling point: 76 ℃ / 12mmHg Elemental analysis value (as C 9 H 23 N 3 ) Measured value: C 61.26% H 12.40% N 23.21% Calculated value: C 62.38% H 13.38% N 24.25% 1 H -NMR (δ value): 1.10 (6H, s), 1.70 (1H, br), 2.24 (6
H, s), 2.25 (2H, s), 2.36 (3H, s), 2.40 (2H, m), 2.59
(2H, m) IR (cm -1 ): 3300-3400 (br), 2940, 2750, 1460, 112
0, 1035, 840

【0027】実施例4 内容量100mlのステンレス製反応器に、化合物1、
2、3、A及びBの1M水溶液50mlを各々単独に仕込
み、大気圧下、800rpm で攪拌しながら内温40℃に
調整した。ベントバルブを閉じ、二酸化炭素を約25kg
/cm2 に封入した100mlの蓄圧器から、予め二酸化炭
素で置換した導入管を通して、1kg/cm2の圧力で二酸
化炭素を反応器内に導入して吸収させた。10〜15分
間で吸収を終了した。吸収温度40℃における飽和吸収
量を蓄圧器の圧力低下から求めた。その結果を表2に示
す。
Example 4 Compound 1 was placed in a stainless steel reactor having an internal volume of 100 ml.
50 ml of 1M aqueous solutions of 2, 3, A and B were separately charged, and the internal temperature was adjusted to 40 ° C. while stirring at 800 rpm under atmospheric pressure. Close the vent valve, about 25 kg of carbon dioxide
Carbon dioxide was introduced into the reactor at a pressure of 1 kg / cm 2 from a 100 ml pressure accumulator sealed in / cm 2 through an inlet tube previously replaced with carbon dioxide to absorb the carbon dioxide. Absorption was completed in 10 to 15 minutes. The saturated absorption amount at the absorption temperature of 40 ° C. was calculated from the pressure drop of the pressure accumulator. The results are shown in Table 2.

【0028】[0028]

【表2】 [Table 2]

【0029】次に、ベントバルブを開放し、反応器内の
残ガスを除いた後、攪拌下、9℃/分(〜80℃)4℃
/分(80〜95℃)の昇温速度で反応器内温を上昇さ
せ、発生する二酸化炭素に同伴する水蒸気を冷却、凝縮
し脱水した。得られた二酸化炭素の発生量を読み取り、
80、90及び95℃の温度までの脱離率 (対40℃飽
和吸収量) を求めた。その結果を表3に示す。
Next, after opening the vent valve and removing the residual gas in the reactor, it was stirred at 9 ° C / min (~ 80 ° C) at 4 ° C.
The temperature inside the reactor was raised at a heating rate of / min (80 to 95 ° C.), and the steam accompanying the generated carbon dioxide was cooled, condensed and dehydrated. Read the amount of carbon dioxide generated,
The desorption rate up to temperatures of 80, 90 and 95 ° C (vs. 40 ° C saturated absorption) was determined. The results are shown in Table 3.

【0030】[0030]

【表3】 [Table 3]

【0031】また、飽和吸収量からの80、90及び9
5℃における二酸化炭素脱離量をアミン化合物1g当た
りの二酸化炭素(CO2)の処理容量として図1に示す。
Also, 80, 90 and 9 from the saturated absorption amount
The amount of desorbed carbon dioxide at 5 ° C. is shown in FIG. 1 as a treatment capacity of carbon dioxide (CO 2 ) per 1 g of the amine compound.

【0032】図1から90及び95℃において本発明化
合物(化合物1、2及び3)は既知化合物(化合物A及
びB)に比べて、単位1g当たりのCO2 処理容量が非
常に優れていることが判る。
1 to 90 and 95 ° C., the compounds of the present invention (Compounds 1, 2 and 3) have a very excellent CO 2 treatment capacity per unit of 1 g as compared with the known compounds (Compounds A and B). I understand.

【0033】[0033]

【発明の効果】本発明化合物は二酸化炭素を効率よく吸
収し、かつ100℃以下の温度においても二酸化炭素を
効率よく脱離するという優れた性質を有する。
The compound of the present invention has excellent properties of efficiently absorbing carbon dioxide and efficiently desorbing carbon dioxide even at a temperature of 100 ° C. or lower.

【図面の簡単な説明】[Brief description of drawings]

【図1】 アミン化合物1g当たりの二酸化炭素の処理
容量を説明するためのグラフである。
FIG. 1 is a graph for explaining a treatment capacity of carbon dioxide per 1 g of an amine compound.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 式(I): 【化1】 (式中、R1 及びR2 は同一又は異なって水素又はアル
キルを表し、R3 はアルキルを表す)で表されるトリア
ミン化合物を有効成分とする二酸化炭素吸収剤。
1. Formula (I): (In the formula, R 1 and R 2 are the same or different and each represents hydrogen or alkyl, and R 3 represents alkyl.) A carbon dioxide absorbent containing a triamine compound as an active ingredient.
【請求項2】 式(Ia): 【化2】 (式中、R1a は水素又はアルキルを表し、R1a が水素
のとき、R2a 及びR3aは同一又は異なってアルキルを
表し、R1a がアルキルのとき、R2a 及びR3aは同一又
は異なって水素又はアルキルを表す)で表されるトリア
ミン化合物。
2. Formula (I a ): (In the formula, R 1a represents hydrogen or alkyl, when R 1a is hydrogen, R 2a and R 3a are the same or different and represent alkyl, and when R 1a is alkyl, R 2a and R 3a are the same or different. Represents hydrogen or alkyl).
JP5071636A 1993-03-30 1993-03-30 Carbon dioxide absorbent containing triamine compound as effective component Withdrawn JPH0731830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5071636A JPH0731830A (en) 1993-03-30 1993-03-30 Carbon dioxide absorbent containing triamine compound as effective component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5071636A JPH0731830A (en) 1993-03-30 1993-03-30 Carbon dioxide absorbent containing triamine compound as effective component

Publications (1)

Publication Number Publication Date
JPH0731830A true JPH0731830A (en) 1995-02-03

Family

ID=13466340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5071636A Withdrawn JPH0731830A (en) 1993-03-30 1993-03-30 Carbon dioxide absorbent containing triamine compound as effective component

Country Status (1)

Country Link
JP (1) JPH0731830A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006150298A (en) * 2004-11-30 2006-06-15 Mitsubishi Heavy Ind Ltd Absorption liquid, and co2 or h2s removal apparatus and method employing it
EP2097156A1 (en) * 2006-12-28 2009-09-09 Cansolv Technologies Inc. Process for the recovery of carbon dioxide from a gas stream
JP2011525423A (en) * 2008-06-23 2011-09-22 ビーエーエスエフ ソシエタス・ヨーロピア Method for removal of acid gases from absorbent and fluid streams, in particular exhaust gas
JP2012030223A (en) * 2010-07-30 2012-02-16 General Electric Co <Ge> Carbon dioxide capture system and carbon dioxide capture method
US10888816B2 (en) 2016-11-01 2021-01-12 Shell Oil Company Process for producing a purified gas stream

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006150298A (en) * 2004-11-30 2006-06-15 Mitsubishi Heavy Ind Ltd Absorption liquid, and co2 or h2s removal apparatus and method employing it
EP2097156A1 (en) * 2006-12-28 2009-09-09 Cansolv Technologies Inc. Process for the recovery of carbon dioxide from a gas stream
EP2097156A4 (en) * 2006-12-28 2011-11-09 Cansolv Technologies Inc Process for the recovery of carbon dioxide from a gas stream
JP2011525423A (en) * 2008-06-23 2011-09-22 ビーエーエスエフ ソシエタス・ヨーロピア Method for removal of acid gases from absorbent and fluid streams, in particular exhaust gas
JP2012030223A (en) * 2010-07-30 2012-02-16 General Electric Co <Ge> Carbon dioxide capture system and carbon dioxide capture method
US10888816B2 (en) 2016-11-01 2021-01-12 Shell Oil Company Process for producing a purified gas stream

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