JP2017533080A - ガススクラビング用のtert−アルキルアミノ基及び第一級アミノ基を有するジアミン - Google Patents
ガススクラビング用のtert−アルキルアミノ基及び第一級アミノ基を有するジアミン Download PDFInfo
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Abstract
Description
各重複のユニットにおけるR4は、独立して、水素、C1〜4−アルキル及びC1〜4−ヒドロキシアルキルから選択され、
各重複のユニットにおけるR5は、独立して、水素、C1〜4−アルキル及びC1〜4−ヒドロキシアルキルから選択され、
mは、2、3、4又は5であり、
nは、2、3、4又は5であり、
oは、1〜10、特に1〜10の整数である)
の化合物により達成される。好ましくは、R1、R2及びR3は、それぞれにメチルである。R4は、好ましくは水素又はメチル、特に水素である。R5は、好ましくは水素又はメチル、特に水素である。好ましい実施態様において、第1級アミノ基と直接に結合される炭素原子にあるR4又はR5ラジカルは、水素である。mは、好ましくは2、3又は4、特に2又は3、より好ましくは2である。nは、好ましくは2、3又は4、特に2又は3、より好ましくは2である。好ましくは、oは1、2又は3である。
1.第3級アルカノールアミン、例えば、
ビス(2−ヒドロキシエチル)メチルアミン(メチルジエタノールアミン、MDEA)、トリス(2−ヒドロキシエチル)アミン(トリエタノールアミン、TEA)、トリブタノールアミン、2−ジエチルアミノエタノール(ジエチルエタノールアミン、DEEA)、2−ジメチルアミノエタノール(ジメチルエタノールアミン、DMEA)、3−ジメチルアミノ−1−プロパノール(N,N−ジメチルプロパノールアミン)、3−ジエチルアミノ−1−プロパノール、2−ジイソプロピルアミノエタノール(DIEA)、N,N−ビス(2−ヒドロキシプロピル)メチルアミン(メチルジイソプロピルプロパノールアミン、MDIPA);
2.第3級アミノエーテル、例えば、
3−メトキシプロピルジメチルアミン;
3.第3級ポリアミン、例えば、ビス−第3級ジアミン、例えば、
N,N,N’,N’−テトラメチルエチレンジアミン、N,N−ジエチル−N’,N’−ジメチルエチレンジアミン、N,N,N’,N’−テトラエチルエチレンジアミン、N,N,N’,N’−テトラメチル−1,3−プロパンジアミン(TMPDA)、N,N,N’,N’−テトラエチル−1,3−プロパンジアミン(TEPDA)、N,N,N’,N’−テトラメチル−1,6−ヘキサンジアミン、N,N−ジメチル−N’,N’−ジエチルエチレンジアミン(DMDEEDA)、1−ジメチルアミノ−2−ジメチルアミノエトキシエタン(ビス[2−(ジメチルアミノ)エチル]エーテル)、1,4−ジアザビシクロ[2.2.2]オクタン(TEDA)、テトラメチル−1,6−ヘキサンジアミン;
及びそれらの混合物。
アルカノールアミン、例えばノモエタノールアミン(MEA)、ジエタノールアミン(DEA)、エチルあみのエタノール、1−アミノ−2−メチルプロパン−2−オル、2−アミノ−1−ブタノール、2−(2−アミノエトキシ)エタノール及び2−(2−アミノエトキシ)エタンアミン、
ポリアミン、例えばヘキサメチレンジアミン、1,4−ジアミノブタン、1,3−ジアミノプロパン、3−(メチルアミノ)プロピルアミン(MAPA)、N−(2−ヒドロキシエチル)エチレンジアミン、3−(ジメチルアミノ)プロピルアミン(DMAPA)、3−(ジエチルアミノ)プロピルアミン、N,N’−ビス(2−ヒドロキシエチル)エチレンジアミン、
環中で少なくとも1つのNH基を有し、環中で窒素及び酸素から選択されたさらなるヘテロ原子の1つ又は2つを含んでもよい5−、6−又は7員飽和ヘテロ環、例えばピペラジン、2−メチルピペラジン、N−エチルピペラジン、N−(2−ヒドロキシエチル)ピペラジン、N−(2−アミノエチル)ピペラジン、ホモピペラジン、ピペリジン及びモルホリン、
から選択される。
構造化パッキングの種々の設計、例えば、織物パッキング又はシートメタルパッキングがある。使用された材料は、金属、プラスチック、ガラス及びセラミックであってもよい。
TSC:双撹拌セル
HPCy2:ジシクロヘキシルホスフィン
MDEA:メチルジエタノールアミン
MeOH:メタノール
MTBE:メチルtert−ブチルエーテル
TBAEE:2−(2−tert−ブチルアミノエトキシ)エタノール
TBAEEA:2−(2−tert−ブチルアミノエトキシ)エチルアミン
THF:テトラヒドロフラン
2−(2−tert−ブチルアミノエトキシ)エチルアミン(TBAEEA)の合成
A)触媒錯体Aの合成
アルゴン雰囲気下で、65mLの無水脱気メタノール中の4,5−ビス(ブロモメチル)アクリジン(5.2g、14.2mmol)及びジシクロヘキシルホスフィン(8.18g、36.8mmol)の溶液を50℃で66時間加熱した。室温まで冷却した後、トリエチルアミン(5.72g、56.7mmol)を添加し、混合物を1時間攪拌した。溶媒を蒸発して、赤いオイル中の黄色がかった白の固体を得た。濾過液を3x40mLのメチルtert−ブチルエーテル(MTBE)で抽出して濃縮し、赤褐色のオイル(1H NMR:生成物とHPCy2との混合物)を得た。オイルを少量の温かいMTBEに溶解し、氷で冷やしたメタノールを添加したところ、黄色の微晶質固体の沈殿をもたらした。減圧下で分離して乾燥し、黄色粉末である空気に敏感な4,5−ビス(ジシクロヘキシルホスフィノメチル)アクリジン(2.74g、33%)を得た。
80mLの脱気トルエン中の4,5−ビス(ジシクロヘキシルホスフィノメチル)アクリジン(1855mg、3.1mmol)及び[RuHCl(CO)(PPh3)3]2(2678mg、2.81mmol)を70℃まで2時間加熱した。得た暗褐色の溶液を乾燥するまで濃縮し、残留物を3x20mLのヘキサンに懸濁して濾過により分離した。減圧下で乾燥して、橙褐色粉末である触媒錯体A(1603mg、75%)を得た。
40質量%のMDEA及び60質量%の水からなる混合物(2−1)、並びに、30質量%のMDEA、15質量%のTBAEEA及び55質量%の水からなる混合物(2−2)について、pHの温度依存性を測定した。pHが最大120℃まで測定することができる圧力装置を使用した。結果を図3に示す。TBAEEAを含む混合物(2−2)は、20℃で、MDEAを含む混合物(2−1)よりもはるかに高いpHを示す。pHは、CO2又はH2Sが結合できる程度の尺度である。溶液のpHが高いほど、より多くのCO2又はH2Sが結合することができる。換言すれば、吸収剤中に典型的に存在する低温では、高いpHが有利である。概して、TBAEEA+MDEAの混合物(2−2)は、MDEAを含む参照例(2−1)よりも大きな温度依存性を示す。TBAEEA及びMDEAを含む溶液(2−2)について、グラジェントは、−0.027pH単位/Kであるが、MDEA溶液(2−1)については−0.022pH単位/Kのみである。吸収された酸性成分が、より高い温度、及びそれに応じてより低いpH値で、より低いエネルギー消費を用いて、再び放出されるので、再生において、より高い温度とより低い温度との間の最大のpH差が有利である。
図2の双撹拌セル(TSC)において、水性吸収剤の相対CO2吸収率を測定した。
3−1)MDEA(41質量%)の水性溶液
3−2)MDEA(30質量%)+TBAEE(15質量%)の水性溶液
3−3)MDEA(30質量%)+TBAEEA(15質量%)の水性溶液
サイクル容量を測定するため、以下の水性吸収剤にたいして、増量実験及び次のストリッピング実験を行った:
4−1)30質量%のMDEA+8質量%のピペラジン
4−2)30質量%のMDEA+15質量%のTBAEE
4−3)30質量%のMDEA+15質量%のTBAEEA
以下の吸収剤の揮発性を測定した:
5−1)41質量%のMDEA
5−2)30質量%のMDEA+15質量%のTBAEE
5−3)30質量%のMDEA+15質量%のTBAEEA
Claims (15)
- 第1級アミノ基と直接に結合された炭素原子上のR5ラジカルが水素である、請求項2に記載の吸収剤。
- 前記吸収剤が少なくとも1種の有機溶媒を含む、請求項2又は3に記載の吸収剤。
- 前記吸収剤が少なくとも1種の酸を含む、請求項2から4のいずれか一項に記載の吸収剤。
- 前記吸収剤中の前記一般式(I)の化合物の濃度が、10質量%〜60質量%である、請求項2から5のいずれか一項に記載の吸収剤。
- 少なくとも1種の第3級アミン及び/又は立体障害の第1級若しくは第2級アミンも含む、請求項2から6のいずれか一項に記載の吸収剤。
- 前記第3級アミンがメチルジエタノールアミンである、請求項7に記載の吸収剤。
- 流体流から二酸化炭素及び/又は硫化水素を除去する方法であって、請求項2から8のいずれか一項に記載の吸収剤を前記流体流と接触させる方法。
- 前記流体流が炭化水素を含む、請求項9に記載の方法。
- 前記流体流が、少なくとも3.0バールの全圧を有する、請求項9又は10に記載の方法。
- 再生工程b)が、加熱、減圧、及び不活性流によるストリッピングの少なくとも1つを含む、請求項9から11のいずれか一項に記載の方法。
- 第1級アミノ基と直接に結合された炭素原子上のR5ラジカルが水素である、請求項14に記載の化合物。
- すなわち、2−(2−tert−ブチルアミノエトキシ)エチルアミンである、請求項14又は15に記載の化合物。
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| JP2019514684A (ja) * | 2016-04-25 | 2019-06-06 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 硫化水素を選択的に除去するためのモルホリン系ヒンダードアミン化合物の使用 |
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| CN107151204B (zh) * | 2016-03-04 | 2020-10-23 | 东丽精细化工株式会社 | 1,4-环己烷二甲酰氯的制造方法 |
| US11045759B2 (en) * | 2016-04-18 | 2021-06-29 | Basf Se | Premix for producing an absorption agent for removing acid gases from a fluid flow |
| CN110448993A (zh) * | 2019-07-03 | 2019-11-15 | 浙江大学 | 一种用于捕集二氧化碳的有机胺类少水吸收剂及应用 |
| CN110743326A (zh) * | 2019-10-28 | 2020-02-04 | 大连理工大学 | 一类用于捕集二氧化碳的高效节能的非水吸收剂及应用 |
| GB202010908D0 (en) * | 2020-07-15 | 2020-08-26 | C-Capture Ltd | Rate enhancement of gas capture processes |
| US12485382B2 (en) * | 2020-12-16 | 2025-12-02 | Dow Global Technologies LLCmi | Aqueous absorption medium for removal of acid gases |
| CN114879241B (zh) * | 2022-05-18 | 2025-03-18 | 自然资源部第一海洋研究所 | 一种利用脉冲式电离仓室测氡仪测试沉积物中224Ra的方法 |
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| CN116925335A (zh) * | 2023-07-20 | 2023-10-24 | 浙江皇马科技股份有限公司 | 一种甲基果糖苷聚醚胺及其制备方法和应用 |
| CN118161956A (zh) * | 2024-04-22 | 2024-06-11 | 华北电力大学(保定) | 一种具有良好的吸收解吸综合性能的低能耗杂二胺相变吸收剂 |
| CN119822570A (zh) * | 2025-02-21 | 2025-04-15 | 山西金鼎潞宝能源化工有限公司 | 一种焦化甲醇联产企业综合节水工艺 |
| CN120550585B (zh) * | 2025-07-29 | 2025-09-30 | 北京怀柔实验室 | 一种用于二氧化碳捕集的多氨基吸收剂及从气体混合物中捕集二氧化碳的方法 |
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| AU2015309020B2 (en) | 2019-04-18 |
| CN106604771B (zh) | 2020-06-09 |
| EP3186222A1 (de) | 2017-07-05 |
| EA031265B1 (ru) | 2018-12-28 |
| PL3186222T3 (pl) | 2018-11-30 |
| WO2016030277A1 (de) | 2016-03-03 |
| EP3186222B1 (de) | 2018-06-06 |
| US20180222847A1 (en) | 2018-08-09 |
| CA2957768A1 (en) | 2016-03-03 |
| US10214482B2 (en) | 2019-02-26 |
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| AU2015309020A1 (en) | 2017-04-06 |
| EA201790460A1 (ru) | 2017-06-30 |
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