JP6945617B2 - 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 - Google Patents
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 Download PDFInfo
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- JP6945617B2 JP6945617B2 JP2019506779A JP2019506779A JP6945617B2 JP 6945617 B2 JP6945617 B2 JP 6945617B2 JP 2019506779 A JP2019506779 A JP 2019506779A JP 2019506779 A JP2019506779 A JP 2019506779A JP 6945617 B2 JP6945617 B2 JP 6945617B2
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- Prior art keywords
- acid
- absorbent
- gas
- hydrogen sulfide
- tert
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- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title claims description 24
- 229910000037 hydrogen sulfide Inorganic materials 0.000 title claims description 20
- -1 amine compounds Chemical class 0.000 title claims description 12
- 239000007789 gas Substances 0.000 claims description 93
- 239000002250 absorbent Substances 0.000 claims description 76
- 230000002745 absorbent Effects 0.000 claims description 76
- 239000002253 acid Substances 0.000 claims description 72
- 238000000034 method Methods 0.000 claims description 38
- 239000012530 fluid Substances 0.000 claims description 34
- 150000001412 amines Chemical class 0.000 claims description 33
- 239000006096 absorbing agent Substances 0.000 claims description 26
- 239000000243 solution Substances 0.000 claims description 23
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical group OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 claims description 14
- 239000001569 carbon dioxide Substances 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 150000002334 glycols Chemical class 0.000 claims description 6
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 6
- 150000003512 tertiary amines Chemical class 0.000 claims description 6
- YBDRXKKOCRTVLH-UHFFFAOYSA-N 2-methyl-N-[2-(2-morpholin-4-ylethoxy)ethyl]propan-2-amine Chemical compound C(C)(C)(C)NCCOCCN1CCOCC1 YBDRXKKOCRTVLH-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 5
- 150000003457 sulfones Chemical class 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- VJRXEJXVFJDYJH-UHFFFAOYSA-N 1-ethoxyethanol;2-methylpropan-2-amine Chemical group CC(C)(C)N.CCOC(C)O VJRXEJXVFJDYJH-UHFFFAOYSA-N 0.000 claims description 2
- LAGCZTQPUWJURM-UHFFFAOYSA-N 2-methyl-N-[3-(2-morpholin-4-ylethoxy)propyl]propan-2-amine Chemical compound C(C)(C)(C)NCCCOCCN1CCOCC1 LAGCZTQPUWJURM-UHFFFAOYSA-N 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 235000013877 carbamide Nutrition 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 150000003951 lactams Chemical class 0.000 claims description 2
- 150000002596 lactones Chemical class 0.000 claims description 2
- 239000002594 sorbent Substances 0.000 claims description 2
- 150000003462 sulfoxides Chemical class 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 29
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 24
- 230000008929 regeneration Effects 0.000 description 16
- 238000011069 regeneration method Methods 0.000 description 16
- 239000003054 catalyst Substances 0.000 description 14
- 125000003277 amino group Chemical group 0.000 description 13
- 239000011521 glass Substances 0.000 description 12
- 150000001721 carbon Chemical group 0.000 description 11
- 238000003795 desorption Methods 0.000 description 11
- 239000003345 natural gas Substances 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 125000001302 tertiary amino group Chemical group 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000006837 decompression Effects 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 150000007513 acids Chemical class 0.000 description 8
- 230000001788 irregular Effects 0.000 description 8
- YDEDDFNFQOPRQJ-UHFFFAOYSA-N 2-[2-(tert-butylamino)ethoxy]ethanol Chemical compound CC(C)(C)NCCOCCO YDEDDFNFQOPRQJ-UHFFFAOYSA-N 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 239000003125 aqueous solvent Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000005187 foaming Methods 0.000 description 5
- 238000004817 gas chromatography Methods 0.000 description 5
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 150000003141 primary amines Chemical class 0.000 description 5
- 150000003335 secondary amines Chemical class 0.000 description 5
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000006356 dehydrogenation reaction Methods 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 238000005984 hydrogenation reaction Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 4
- 150000003460 sulfonic acids Chemical class 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- JKMHFZQWWAIEOD-UHFFFAOYSA-N 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid Chemical compound OCC[NH+]1CCN(CCS([O-])(=O)=O)CC1 JKMHFZQWWAIEOD-UHFFFAOYSA-N 0.000 description 3
- TZJUPGUMHJLXHN-UHFFFAOYSA-N 2-methyl-n-(2-morpholin-4-ylethyl)propan-2-amine Chemical compound CC(C)(C)NCCN1CCOCC1 TZJUPGUMHJLXHN-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 3
- KZSNJWFQEVHDMF-UHFFFAOYSA-N Valine Natural products CC(C)C(N)C(O)=O KZSNJWFQEVHDMF-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
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- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
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- 238000012856 packing Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
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- 239000004575 stone Substances 0.000 description 3
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 3
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 3
- QQVDJLLNRSOCEL-UHFFFAOYSA-N (2-aminoethyl)phosphonic acid Chemical compound [NH3+]CCP(O)([O-])=O QQVDJLLNRSOCEL-UHFFFAOYSA-N 0.000 description 2
- LMHAGAHDHRQIMB-UHFFFAOYSA-N 1,2-dichloro-1,2,3,3,4,4-hexafluorocyclobutane Chemical compound FC1(F)C(F)(F)C(F)(Cl)C1(F)Cl LMHAGAHDHRQIMB-UHFFFAOYSA-N 0.000 description 2
- SVZXPYMXOAPDNI-UHFFFAOYSA-N 1-[di(propan-2-yl)amino]ethanol Chemical compound CC(C)N(C(C)C)C(C)O SVZXPYMXOAPDNI-UHFFFAOYSA-N 0.000 description 2
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 2
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- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 2
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- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 2
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- YUKZJEQIDOFUPV-UHFFFAOYSA-N n',n'-diethyl-n,n-dimethylethane-1,2-diamine Chemical compound CCN(CC)CCN(C)C YUKZJEQIDOFUPV-UHFFFAOYSA-N 0.000 description 2
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Description
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、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、例として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;
およびそれらの混合物。
1.非常に大きな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、および3−アザ−2,2−ジメチルヘキサン−1,6−ジオール;
2.非常に大きな立体障害のある第一級アルカノールアミン、例えば
2−アミノ−2−メチルプロパノール(2−AMP);2−アミノ−2−エチルプロパノール;および2−アミノ−2−プロピルプロパノール;
3.非常に大きな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;
およびそれらの混合物。
鉱酸、例えば塩酸、硫酸、アミド硫酸、リン酸、リン酸の部分エステル、例としてモノアルキルリン酸エステルおよびジアルキルリン酸エステルおよびモノアリールリン酸エステルおよびジアリールリン酸エステル、例えばトリデシルリン酸エステル、リブチルリン酸エステル、ジフェニルリン酸エステルならびにビス(2−エチルヘキシル)リン酸エステル;ホウ酸;
カルボン酸、例として飽和脂肪族モノカルボン酸、例えばギ酸、酢酸、プロピオン酸、酪酸、イソ酪酸、吉草酸、イソ吉草酸、ピバリン酸、カプロン酸、n−ヘプタン酸、カプリル酸、2−エチルヘキサン酸、ペラルゴン酸、カプロン酸、ネオデカン酸、ウンデカン酸、ラウリン酸、トリデカン酸、ミリスチン酸、ペンタデカン酸、パルミチン酸、マルガリン酸、ステアリン酸、イソステアリン酸、アラキン酸、ベヘン酸;飽和脂肪族ポリカルボン酸、例えばシュウ酸、マロン酸、コハク酸、グルタル酸、アジピン酸、ピメリン酸、スベリン酸、アゼライン酸、セバシン酸、ドデカン二酸;脂環式モノカルボン酸およびポリカルボン酸、例えばシクロヘキサンカルボン酸、ヘキサヒドロフタル酸、テトラヒドロフタル酸、樹脂酸、ナフテン酸;脂肪族ヒドロキシカルボン酸、例えばグリコール酸、乳酸、マンデル酸、ヒドロキシ酪酸、酒石酸、リンゴ酸、クエン酸;ハロゲン化脂肪族カルボン酸、例えばトリクロロ酢酸または2−クロロプロピオン酸;芳香族モノカルボン酸およびポリカルボン酸、例えば安息香酸、サリチル酸、没食子酸、位置異性体トルイル酸、メトキシ安息香酸、クロロ安息香酸、ニトロ安息香酸、フタル酸、テレフタル酸、イソフタル酸;工業用カルボン酸混合物、例としてバーサチック酸;
スルホン酸、例えばメチルスルホン酸、ブチルスルホン酸、3−ヒドロキシプロピルスルホン酸、スルホ酢酸、ベンゼンスルホン酸、p−トルエンスルホン酸、p−キシレンスルホン酸、4−ドデシルベンゼンスルホン酸、1−ナフタレンスルホン酸、ジノニルナフタレンスルホン酸およびジノニルナフタレンジスルホン酸などのスルホン酸、トリフルオロメチルスルホン酸またはノナフルオロ−n−ブチルスルホン酸、カンファースルホン酸、2−(4−(2−ヒドロキシエチル)−1−ピペラジニル)エタンスルホン酸(HEPES);
有機ホスホン酸、例として式(II)
R9−PO3H (II)
[式中、R9は、カルボキシ、カルボキサミド、ヒドロキシルおよびアミノから独立して選択される最大4つの置換基で置換されていてもよいC1〜18−アルキルである]のホスホン酸である。
式(III)
式(IV)
式(V)
R11−NY2 (V)
[式中、R11は、C1〜6−アルキル、C2〜6−ヒドロキシアルキルまたはYであり、Yは、CH2PO3H2である]のホスホン酸、例えばニトロトリス(メチレンホスホン酸)および2−ヒドロキシエチルイミノビス(メチレンホスホン酸);
第三級アミノ基または少なくとも1つの第二級もしくは第三級炭素原子がアミノ基に直接隣接したアミノ基を有するアミノカルボン酸、例えば
第三級アミノ基または少なくとも1つの第二級もしくは第三級炭素原子がアミノ基に直接隣接したアミノ基を有するα−アミノ酸、例えばN,N−ジメチルグリシン(ジメチルアミノ酢酸)、N,N−ジエチルグリシン、アラニン(2−アミノプロピオン酸)、N−メチルアラニン(2−(メチルアミノ)プロピオン酸)、N,N−ジメチルアラニン、N−エチルアラニン、2−メチルアラニン(2−アミノイソ酪酸)、ロイシン(2−アミノ−4−メチルペンタン−1−酸)、N−メチルロイシン、N,N−ジメチルロイシン、イソロイシン(1−アミノ−2−メチルペンタノン酸)、N−メチルイソロイシン、N,N−ジメチルイソロイシン、バリン(2−アミノイソ吉草酸)、α−メチルバリン(2−アミノ−2−メチルイソ吉草酸)、N−メチルバリン(2−メチルアミノイソ吉草酸)、N,N−ジメチルバリン、プロリン(ピロリジン−2−カルボン酸)、N−メチルプロリン、N−メチルセリン、N,N−ジメチルセリン、2−(メチルアミノ)イソ酪酸、ピペリジン−2−カルボン酸、N−メチルピペリジン−2−カルボン酸、
第三級アミノ基または少なくとも1つの第二級もしくは第三級炭素原子がアミノ基に直接隣接したアミノ基を有するβ−アミノ酸、例えば3−ジメチルアミノプロピオン酸、N−メチルイミノジプロピオン酸、N−メチルピペリジン−3−カルボン酸、
第三級アミノ基または少なくとも1つの第二級もしくは第三級炭素原子がアミノ基に直接隣接したアミノ基を有するγ−アミノ酸、例えば4−ジメチルアミノ酪酸、
または、第三級アミノ基または少なくとも1つの第二級もしくは第三級炭素原子がアミノ基に直接隣接したアミノ基を有するアミノカルボン酸、例えばN−メチルピペリジン−4−カルボン酸である。
C4〜C10−アルコール類、例えばn−ブタノール、n−ペンタノールおよびn−ヘキサノール;
ケトン類、例えばシクロヘキサノン;
エステル類、例えば酢酸エチルおよび酢酸ブチル;
ラクトン類、例えばγ−ブチロラクトン、δ−バレロラクトンおよびε−カプロラクトン;
アミド類、例えば第三級カルボキサミド、例としてN,N−ジメチルホルムアミド;またはN−ホルミルモルホリンおよびN−アセチルモルホリン;
ラクタム類、例えばγ−ブチロラクタム、δ−バレロラクタムおよびε−カプロラクタムおよびN−メチル−2−ピロリドン(NMP);
スルホン類、例えばスルホラン;
スルホキシド類、例えばジメチルスルホキシド(DMSO);
グリコール類、例えばエチレングリコール(EG)およびプロピレングリコール;
ポリアルキレングリコール類、例えばジエチレングリコール(DEG)およびトリエチレングリコール(TEG);
ジ−またはモノ(C1〜4−アルキルエーテル)グリコール類、例えばエチレングリコールジメチルエーテル;
ジ−またはモノ(C1〜4−アルキルエーテル)ポリアルキレングリコール類、例えばジエチレングリコールジメチルエーテル、ジプロピレングリコールモノメチルエーテルおよびトリエチレングリコールジメチルエーテル;
環状尿素類、例えばN,N−ジメチルイミダゾリジン−2−オンおよびジメチルプロピレン尿素(DMPU);
チオアルカノール類、例えばエチレンジチオエタノール、チオジエチレングリコール(チオグリコール、TDG)およびメチルチオエタノール;
ならびにそれらの混合物。
MDEA:メチルジエタノールアミン
TBAEE:tert−ブチルアミンエトキシエタノール
M3ETB:メトキシエトキシエトキシエチル−tert−ブチルアミン
TBAEEM:tert−ブチルアミノエトキシエチルモルホリン
TBAEM:tert−ブチルアミノエチルモルホリン
Bis−MOE:ビス−(2−モルホリノエチル)エーテル
それぞれ100cmの長さおよび12mmの内径を有する2つのオイル加熱式金属製反応器を直列に接続した。各反応器に、(国際公開第2011/067199号(WPO2011/067199)、実施例5に従って得られた、Al2O3上にNi、Co、Cu、Snを含む)アミノ化触媒90ml(122g)を入れた。続いて、260℃および周囲圧力で10NL/hのH2を通すことによって触媒を活性化した。
長さ0.9mおよび内径28mmのオイル加熱式ガラス製反応器に、V2Aメッシュリング(直径5mm)250mL、その上に銅触媒(担体:アルミナ)200mL、最後にV2Aメッシュリング(直径5mm)550mLを入れた。
以下の実験および分析方法を選択性試験に用いた。プロセス吸収ユニット(PAU)は、水飽和器、ガスをアップフローモードで供給することができる撹拌オートクレーブ、および凝縮器を含むセミバッチ系である。オートクレーブには圧力計とJ型熱電対とが備わっている。安全破裂板がオートクレーブヘッドに取り付けられている。高ワット数セラミックファイバーヒーターを用いてオートクレーブに熱を供給する。ガス流はBrooksマスフローコントローラーによって調節し、凝縮器の温度はチラーによって維持する。
この実施例では、2.17Mのアミンモル濃度のアミン水溶液を試験した。実施例2の試験条件は以下の通りである:ガス供給組成:CO2 10モル%、H2S 1モル%、残部N2;ガス流量:154sccm;温度:40.8℃、圧力:1バール;体積:15mL;撹拌速度:200rpm。
M3ETB、TBAEEMおよびTBAEEの揮発性を、30重量%の水溶液について測定した。
すべての発泡試験は25℃で行う。150mlの30重量%アミン水溶液を500mlの目盛り付きガラスシリンダーに注いだ。次に、所定の孔径を有する球状のディフューザーストーンを溶液に挿入した。60Nl/hの一定の窒素流をディフューザーストーンに通して溶液中に吹き込んだ。5分後、ディフューザーストーンをシリンダーから取り出した。フォームの全ブレークダウン時間(崩壊時間)を記録した。実験は3回実施し、対応する平均崩壊時間を以下の表に示す。
M3ETB、TBAEEM、TBAEM、TBAEE、MDEAおよびBis−MOEのサワー負荷容量を、30重量%の水溶液について測定した。
H2Sの測定は、硝酸銀溶液を用いて滴定により行った。この目的のために、分析すべきサンプルを約2重量%の酢酸ナトリウムおよび約3重量%のアンモニアと一緒に水溶液中に秤量した。続いて、H2S含有量を、硝酸銀による電位差による変向点の滴定によって測定した。変向点において、H2SはAg2Sとして完全に結合される。CO2含有量は全無機炭素(TOC−Vシリーズ、島津製作所)として測定した。
Claims (13)
- 前記一般式(I)の化合物が、N−[2−(2−tert−ブチルアミノエトキシ)エチル]−モルホリンおよびN−[2−(3−tert−ブチルアミノプロポキシ)エチル]−モルホリンから選択される、請求項1記載の方法。
- 前記吸収剤が、水溶液である、請求項1または2記載の方法。
- 前記吸収剤が、酸を含む、請求項3記載の方法。
- 前記吸収剤が、有機溶媒を含む、請求項1から4までのいずれか1項記載の方法。
- 前記有機溶媒が、C4〜10−アルコール類、ケトン類、エステル類、ラクトン類、アミド類、ラクタム類、スルホン類、スルホキシド類、グリコール類、ポリアルキレングリコール類、ジ−またはモノ(C1〜4−アルキルエーテル)グリコール類、ジ−またはモノ(C1〜4−アルキルエーテル)ポリアルキレングリコール類、環状尿素類、チオアルカノール類およびそれらの混合物から選択される、請求項5記載の方法。
- 前記有機溶媒が、スルホン類、グリコール類およびポリアルキレングリコール類から選択される、請求項6記載の方法。
- 前記吸収剤が、前記一般式(I)の化合物以外の第三級アミンまたは非常に大きな立体障害のあるアミンを含み、ここで、非常に大きな立体障害とは、第一級または第二級窒素原子に直接隣接する第三級炭素原子を意味する、請求項1から7までのいずれか1項記載の方法。
- 前記第三級アミンが、メチルジエタノールアミンであり、前記非常に大きな立体障害のあるアミンが、tert−ブチルアミンエトキシエタノールである、請求項8記載の方法。
- 二酸化炭素および硫化水素を含む流体流から硫化水素を選択的に除去するための、請求項1から9までのいずれか1項記載の方法。
- 前記負荷された吸収剤を、加熱、減圧および不活性流体によるストリッピングのうちの少なくとも1つの手段によって再生する、請求項1から10までのいずれか1項記載の方法。
- 流体流から酸性ガスを除去するための、請求項1から9までのいずれか1項において定義される吸収剤の使用。
- 二酸化炭素および硫化水素を含む流体流から硫化水素を選択的に除去するための、請求項12記載の使用。
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US10525404B2 (en) | 2020-01-07 |
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CN109069984A (zh) | 2018-12-21 |
BR112018071876A2 (pt) | 2019-02-19 |
BR112018071876B1 (pt) | 2023-04-25 |
EP3448543A1 (en) | 2019-03-06 |
CA3021567A1 (en) | 2017-11-02 |
US20190143262A1 (en) | 2019-05-16 |
CN109069984B (zh) | 2021-09-03 |
EP3448543B1 (en) | 2020-06-10 |
WO2017186466A1 (en) | 2017-11-02 |
ES2817475T3 (es) | 2021-04-07 |
CA3021567C (en) | 2024-01-23 |
EA036128B1 (ru) | 2020-10-01 |
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