JP2019513553A - 流体流から酸性ガスを除去するための吸収剤の製造用の予備混合物 - Google Patents
流体流から酸性ガスを除去するための吸収剤の製造用の予備混合物 Download PDFInfo
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Abstract
Description
a)少なくとも第三級アミン及び/又は立体障害のある第二級アミン;
b)a)中のプロトン化可能な窒素原子に基づいた中和当量として計算して、少なくとも30%の量のジカルボン酸であって、20℃の温度での水への溶解度が水100g当たりジカルボン酸15g以下である前記ジカルボン酸;並びに
c)20〜80質量%の水
を含む予備混合物によって達成される。
1.第三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(メチルジイソプロパノールアミン、MDIPA);
2.第三級アミノエーテル、例えば、
3−メトキシプロピルジメチルアミン;
3.第三級ポリアミン、例えば、ビス−第三級ジアミン、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
を含む。
1.立体障害のある第二級アルカノールアミン、例えば
2−(2−tert−ブチルアミノエトキシ)エタノール(TBAEE)、2−(2−tert−ブチルアミノ)プロポキシエタノール、2−(2−tert−アミルアミノエトキシ)エタノール、2−(2−(1−メチル−1−エチルプロピルアミノ)エトキシ)エタノール、2−(tert−ブチルアミノ)エタノール、2−tert−ブチルアミノ−1−プロパノール、3−tert−ブチルアミノ−1−プロパノール、3−tert−ブチルアミノ−1−ブタノール、3−アザ−2,2−ジメチルヘキサン−1,6−ジオール;2−(2−イソプロピルアミノエトキシ)エタノール、2−(2−イソプロピルアミノ)プロポキシエタノール、2−(イソプロピルアミノ)エタノール、2−イソプロピルアミノ−1−プロパノール、3−イソプロピルアミノ−1−プロパノール、及び3−イソプロピルアミノ−1−ブタノール;
2.立体障害のあるアミノエーテル、例えば
1,2−ビス(tert−ブチルアミノエトキシ)エタン、ビス(tert−ブチルアミノエチル)エーテル、2−(2−(2−(tert−ブチルアミノ)エトキシ)エトキシ)エトキシメチルエーテル(MEEETB);
及びそれらの混合物
を含む。
SA コハク酸
MDEA メチルジエタノールアミン
TBAEE 2(2−tert−ブチルアミノエトキシ)エタノール
本参照例は、コハク酸/アジピン酸の様々なアミンへの溶解度を23.5℃で分析した。
本実施例は、コハク酸/アジピン酸のアミン水溶液への溶解度を23.5℃で分析した。
本参照例は、様々なカルボン酸の存在下におけるMDEAの安定性を分析した。
Claims (10)
- 流体流から酸性ガスを除去するための吸収剤の製造用の予備混合物であって、
a)少なくとも第三級アミン及び/又は立体障害のある第二級アミン;
b)a)中のプロトン化可能な窒素原子に基づいた中和当量として計算して、少なくとも30%の量のジカルボン酸であって、20℃の温度での水への溶解度が水100g当たりジカルボン酸15g以下である前記ジカルボン酸;並びに
C)20〜80質量%の水
を含む予備混合物。 - 前記b)の量が、a)中のプロトン化可能な窒素原子に基づいた中和当量として計算して30%〜400%である、請求項1に記載の予備混合物。
- 前記第三級アミンがアルカノールアミンである、請求項1又は2に記載の予備混合物。
- 前記立体障害のある第二級アミンがアルカノールアミノエーテルである、請求項1から3のいずれか一項に記載の予備混合物。
- 前記ジカルボン酸b)がコハク酸及びアジピン酸から選択される、請求項1から4のいずれか一項に記載の予備混合物。
- 流体流から酸性ガスを除去するための吸収剤を製造する方法であって、第三級アミン及び/又は立体障害のある第二級アミン、ジカルボン酸及び水を含み、前記ジカルボン酸が20℃の温度で水100g当たりジカルボン酸15g以下の水への溶解度を有し、且つ前記ジカルボン酸の量が、前記アミンのプロトン化可能な窒素原子に基づいた中和当量として計算して前記吸収剤中よりも多い予備混合物を、アミン及び任意に水と混合することを含む吸収剤の製造方法。
- 前記ジカルボン酸がコハク酸及びアジピン酸から選択される、請求項6に記載の方法。
- 前記予備混合物が請求項1から4のいずれか一項に記載の予備混合物である、請求項6又は7に記載の方法。
- 前記吸収剤が、前記ジカルボン酸を前記アミンのプロトン化可能な窒素原子に基づいた中和当量として計算して0.5%〜15%の量で含む、請求項6から8のいずれか一項に記載の方法。
- 前記吸収剤が、流体流から二酸化炭素よりも硫化水素を選択的に除去することに適している、請求項6から9のいずれか一項に記載の方法。
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EP16165810.9 | 2016-04-18 | ||
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PCT/EP2017/058285 WO2017182289A1 (de) | 2016-04-18 | 2017-04-06 | Vormischung zur herstellung eines absorptionsmittels zur entfernung von sauergasen aus einem fluidstrom |
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EA038670B1 (ru) | 2017-05-15 | 2021-10-01 | Басф Се | Абсорбент и способ селективного удаления сульфида водорода |
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- 2017-04-06 EA EA201892359A patent/EA039814B1/ru unknown
- 2017-04-06 US US16/093,731 patent/US11045759B2/en active Active
- 2017-04-06 CA CA3020219A patent/CA3020219A1/en active Pending
- 2017-04-06 JP JP2018554683A patent/JP7009387B2/ja active Active
- 2017-04-06 CN CN201780022376.4A patent/CN109069983B/zh active Active
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BR112018071033A2 (pt) | 2019-02-12 |
US11045759B2 (en) | 2021-06-29 |
EA039814B1 (ru) | 2022-03-16 |
JP7009387B2 (ja) | 2022-01-25 |
CA3020219A1 (en) | 2017-10-26 |
EP3445474B1 (de) | 2020-03-18 |
US20190126193A1 (en) | 2019-05-02 |
WO2017182289A1 (de) | 2017-10-26 |
EP3445474A1 (de) | 2019-02-27 |
CN109069983B (zh) | 2021-12-24 |
CN109069983A (zh) | 2018-12-21 |
EA201892359A1 (ru) | 2019-03-29 |
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