KR101148658B1 - 카르보닐 술피드를 함유하는 산 가스로부터 카르보닐술피드를 제거하기 위한 개선된 조성물 및 방법 - Google Patents
카르보닐 술피드를 함유하는 산 가스로부터 카르보닐술피드를 제거하기 위한 개선된 조성물 및 방법 Download PDFInfo
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- KR101148658B1 KR101148658B1 KR1020057017588A KR20057017588A KR101148658B1 KR 101148658 B1 KR101148658 B1 KR 101148658B1 KR 1020057017588 A KR1020057017588 A KR 1020057017588A KR 20057017588 A KR20057017588 A KR 20057017588A KR 101148658 B1 KR101148658 B1 KR 101148658B1
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- dimethyl ether
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- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 title claims abstract description 206
- 239000000203 mixture Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims description 33
- 239000002253 acid Substances 0.000 title abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 99
- 239000007789 gas Substances 0.000 claims abstract description 72
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 62
- 239000001257 hydrogen Substances 0.000 claims abstract description 35
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 35
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 30
- GLUUGHFHXGJENI-UHFFFAOYSA-N diethylenediamine Natural products C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims abstract description 23
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 19
- -1 piperazine compound Chemical class 0.000 claims abstract description 19
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims abstract description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 150000005215 alkyl ethers Chemical class 0.000 claims abstract description 16
- 229920001515 polyalkylene glycol Polymers 0.000 claims abstract description 15
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 10
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 15
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 10
- WFCSWCVEJLETKA-UHFFFAOYSA-N 2-piperazin-1-ylethanol Chemical compound OCCN1CCNCC1 WFCSWCVEJLETKA-UHFFFAOYSA-N 0.000 claims description 10
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 10
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 claims description 10
- 229940043276 diisopropanolamine Drugs 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- OPKOKAMJFNKNAS-UHFFFAOYSA-N N-methylethanolamine Chemical compound CNCCO OPKOKAMJFNKNAS-UHFFFAOYSA-N 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 8
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 claims description 8
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 6
- VMCIKMLQXFLKAX-UHFFFAOYSA-N 1-methoxy-2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethane Chemical compound COCCOCCOCCOCCOCCOCCOC VMCIKMLQXFLKAX-UHFFFAOYSA-N 0.000 claims description 4
- HKKZPBCWTDFVFB-UHFFFAOYSA-N 1-methoxy-2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethane Chemical compound COCCOCCOCCOCCOCCOCCOCCOCCOC HKKZPBCWTDFVFB-UHFFFAOYSA-N 0.000 claims description 4
- FDXQLPHYJKXLSO-UHFFFAOYSA-N 1-methoxy-2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethane Chemical compound COCCOCCOCCOCCOCCOCCOCCOCCOCCOC FDXQLPHYJKXLSO-UHFFFAOYSA-N 0.000 claims description 4
- DTPCFIHYWYONMD-UHFFFAOYSA-N decaethylene glycol Chemical compound OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO DTPCFIHYWYONMD-UHFFFAOYSA-N 0.000 claims description 4
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 claims description 4
- DMDPGPKXQDIQQG-UHFFFAOYSA-N pentaglyme Chemical compound COCCOCCOCCOCCOCCOC DMDPGPKXQDIQQG-UHFFFAOYSA-N 0.000 claims description 4
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 claims description 4
- RQIOWVGTLVTEFX-UHFFFAOYSA-N 1-methoxy-2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethane Chemical compound COCCOCCOCCOCCOCCOCCOCCOC RQIOWVGTLVTEFX-UHFFFAOYSA-N 0.000 claims description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 125000001424 substituent group Chemical group 0.000 claims 4
- 150000001875 compounds Chemical class 0.000 abstract description 13
- GUVUOGQBMYCBQP-UHFFFAOYSA-N dmpu Chemical compound CN1CCCN(C)C1=O GUVUOGQBMYCBQP-UHFFFAOYSA-N 0.000 abstract description 7
- KYWXRBNOYGGPIZ-UHFFFAOYSA-N 1-morpholin-4-ylethanone Chemical compound CC(=O)N1CCOCC1 KYWXRBNOYGGPIZ-UHFFFAOYSA-N 0.000 abstract description 4
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 abstract 2
- 239000006096 absorbing agent Substances 0.000 description 28
- 239000000654 additive Substances 0.000 description 23
- 238000010521 absorption reaction Methods 0.000 description 22
- PNVJTZOFSHSLTO-UHFFFAOYSA-N Fenthion Chemical compound COP(=S)(OC)OC1=CC=C(SC)C(C)=C1 PNVJTZOFSHSLTO-UHFFFAOYSA-N 0.000 description 16
- 230000000996 additive effect Effects 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 16
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 12
- 150000001412 amines Chemical class 0.000 description 11
- 229910002091 carbon monoxide Inorganic materials 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 10
- LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical compound CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 description 10
- 229910052717 sulfur Inorganic materials 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 7
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 description 7
- 150000003512 tertiary amines Chemical class 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- LCEDQNDDFOCWGG-UHFFFAOYSA-N morpholine-4-carbaldehyde Chemical compound O=CN1CCOCC1 LCEDQNDDFOCWGG-UHFFFAOYSA-N 0.000 description 6
- 150000003335 secondary amines Chemical class 0.000 description 6
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 5
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 5
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 5
- 229960002887 deanol Drugs 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- 239000012972 dimethylethanolamine Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QVCUKHQDEZNNOC-UHFFFAOYSA-N 1,2-diazabicyclo[2.2.2]octane Chemical compound C1CC2CCN1NC2 QVCUKHQDEZNNOC-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- XHFGWHUWQXTGAT-UHFFFAOYSA-N n-methylpropan-2-amine Chemical compound CNC(C)C XHFGWHUWQXTGAT-UHFFFAOYSA-N 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 238000005201 scrubbing Methods 0.000 description 4
- SGUVLZREKBPKCE-UHFFFAOYSA-N 1,5-diazabicyclo[4.3.0]-non-5-ene Chemical compound C1CCN=C2CCCN21 SGUVLZREKBPKCE-UHFFFAOYSA-N 0.000 description 3
- GIAFURWZWWWBQT-UHFFFAOYSA-N 2-(2-aminoethoxy)ethanol Chemical compound NCCOCCO GIAFURWZWWWBQT-UHFFFAOYSA-N 0.000 description 3
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- SBYHFKPVCBCYGV-UHFFFAOYSA-N quinuclidine Chemical compound C1CC2CCN1CC2 SBYHFKPVCBCYGV-UHFFFAOYSA-N 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- QCOGKXLOEWLIDC-UHFFFAOYSA-N N-methylbutylamine Chemical compound CCCCNC QCOGKXLOEWLIDC-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000011021 bench scale process Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000006184 cosolvent Substances 0.000 description 2
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 2
- 150000005218 dimethyl ethers Chemical class 0.000 description 2
- WEHWNAOGRSTTBQ-UHFFFAOYSA-N dipropylamine Chemical compound CCCNCCC WEHWNAOGRSTTBQ-UHFFFAOYSA-N 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- RIVIDPPYRINTTH-UHFFFAOYSA-N n-ethylpropan-2-amine Chemical compound CCNC(C)C RIVIDPPYRINTTH-UHFFFAOYSA-N 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229920001281 polyalkylene Polymers 0.000 description 2
- 150000003141 primary amines Chemical class 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- PYFSCIWXNSXGNS-RXMQYKEDSA-N (2r)-n-methylbutan-2-amine Chemical compound CC[C@@H](C)NC PYFSCIWXNSXGNS-RXMQYKEDSA-N 0.000 description 1
- FTTATHOUSOIFOQ-UHFFFAOYSA-N 1,2,3,4,6,7,8,8a-octahydropyrrolo[1,2-a]pyrazine Chemical compound C1NCCN2CCCC21 FTTATHOUSOIFOQ-UHFFFAOYSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- JPIGSMKDJQPHJC-UHFFFAOYSA-N 1-(2-aminoethoxy)ethanol Chemical compound CC(O)OCCN JPIGSMKDJQPHJC-UHFFFAOYSA-N 0.000 description 1
- YOYAIZYFCNQIRF-UHFFFAOYSA-N 2,6-dichlorobenzonitrile Chemical compound ClC1=CC=CC(Cl)=C1C#N YOYAIZYFCNQIRF-UHFFFAOYSA-N 0.000 description 1
- JHOOWURXQGAXHL-UHFFFAOYSA-N 2-[2-(2-propan-2-yloxyethoxy)ethoxy]propane Chemical compound CC(C)OCCOCCOC(C)C JHOOWURXQGAXHL-UHFFFAOYSA-N 0.000 description 1
- AHTTUKMNYVZLFF-UHFFFAOYSA-N 2-[2-[2-(2-propan-2-yloxyethoxy)ethoxy]ethoxy]propane Chemical compound CC(C)OCCOCCOCCOC(C)C AHTTUKMNYVZLFF-UHFFFAOYSA-N 0.000 description 1
- OUNJLSKZDGVRNU-UHFFFAOYSA-N 2-[2-[2-[2-(2-propan-2-yloxyethoxy)ethoxy]ethoxy]ethoxy]propane Chemical compound CC(C)OCCOCCOCCOCCOC(C)C OUNJLSKZDGVRNU-UHFFFAOYSA-N 0.000 description 1
- IGVDVEJIGWXPFH-UHFFFAOYSA-N 2-[2-[2-[2-[2-(2-propan-2-yloxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]propane Chemical compound CC(C)OCCOCCOCCOCCOCCOC(C)C IGVDVEJIGWXPFH-UHFFFAOYSA-N 0.000 description 1
- UYGAXBLBTBAPPZ-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-(2-propan-2-yloxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propane Chemical compound CC(C)OCCOCCOCCOCCOCCOCCOC(C)C UYGAXBLBTBAPPZ-UHFFFAOYSA-N 0.000 description 1
- LDSQQXKSEFZAPE-UHFFFAOYSA-N 2-piperidin-4-ylethanol Chemical compound OCCC1CCNCC1 LDSQQXKSEFZAPE-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 238000001159 Fisher's combined probability test Methods 0.000 description 1
- GXCLGNHLZMTTQJ-ZOULSWATSA-N L-alpha-D-Hepp-(1->3)-L-alpha-D-Hepp Chemical compound O[C@@H]1[C@@H]([C@@H](O)CO)O[C@H](O)[C@@H](O)[C@H]1O[C@@H]1[C@@H](O)[C@@H](O)[C@H](O)[C@@H]([C@@H](O)CO)O1 GXCLGNHLZMTTQJ-ZOULSWATSA-N 0.000 description 1
- PYFSCIWXNSXGNS-UHFFFAOYSA-N N-methyl-sec-butylamine Natural products CCC(C)NC PYFSCIWXNSXGNS-UHFFFAOYSA-N 0.000 description 1
- DFPOZTRSOAQFIK-UHFFFAOYSA-N S,S-dimethyl-beta-propiothetin Chemical compound C[S+](C)CCC([O-])=O DFPOZTRSOAQFIK-UHFFFAOYSA-N 0.000 description 1
- 150000001409 amidines Chemical class 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 150000008378 aryl ethers Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 150000001983 dialkylethers Chemical class 0.000 description 1
- 229940043279 diisopropylamine Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- QKYWADPCTHTJHQ-UHFFFAOYSA-N n,2-dimethylpropan-1-amine Chemical compound CNCC(C)C QKYWADPCTHTJHQ-UHFFFAOYSA-N 0.000 description 1
- VLSTXUUYLIALPB-UHFFFAOYSA-N n-propan-2-ylpropan-1-amine Chemical compound CCCNC(C)C VLSTXUUYLIALPB-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001521 polyalkylene glycol ether Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000012970 tertiary amine catalyst Substances 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/308—Carbonoxysulfide COS
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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Abstract
Description
용매 | COS 흡수 (공급물의 %) |
CO2 흡수 (공급물의 %) |
셀렉솔(상표명) 용매* | 0.7 | 0.7 |
셀렉솔(상표명) 용매* | 1.2 | 0.2 |
S+3 중량% 1,4 디아자비시클로[2.2.2]옥탄 (DABCO)* | 2.6 | 0.0 |
S+3 중량% 퀴누클리딘* | 5.1 | -0.2 |
S+3 중량% 1,5-디아자비시클로[4.3.0]논-5-엔 (DBN)* | 3.1 | -0.6 |
S+3 중량% 1,8-디아자비시클로[5.4.0]운덱-7-엔 (DBU)* | 2.5 | 0.5 |
S+3 중량% 트리에탄올아민 (TEA)* | 2.0 | 0.5 |
S+3 중량% 트리에탄올아민 (TEA)* | -0.7 | 2.7 |
S+3 중량% 메틸디에탄올아민 (MDEA)* | 1.3 | 1.3 |
S+3 중량% 디메틸에탄올아민 (DMEA)* | 2.0 | 0.0 |
S+3 중량% 히드록시에틸피페라진 (HEP) | 17.1 | 0.7 |
S+3 중량% 디이소프로판올아민 (DIPA) | 18.9 | 1.0 |
S+3 중량% 디에탄올아민 (DEA) | 18.9 | 2.8 |
S+3 중량% 디에탄올아민 (DEA) | 28.3 | 0.1 |
S+3 중량% 모노에탄올아민 (MEA) | 28.3 | -0.7 |
S+3 중량% 피페라진 | 29.1 | 0.8 |
S+3 중량% 메틸에탄올아민 (NMEA)** | 6.6 | -0.6 |
S+3 중량% 메틸에탄올아민 (NMEA) | 52.1 | 0.9 |
S+3 중량% 메틸에탄올아민 (NMEA) | 50.3 | 1.1 |
DMTP* | 5.8 | -1.0 |
DMTP* | 3.6 | -1.1 |
DMTP + 3 중량% 디에탄올아민 | 40.1 | 0.6 |
* 본 발명의 실시예가 아님. ** 가실험 결과 S = 셀렉솔(상표명) 용매 |
비교예 1 | 실시예 1 | 실시예 2 | 비교예 2 | 비교예 3 | |
기본 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 | DMTP | 셀렉솔(상표명) 용매 |
첨가제 | 0 | 피페라진 | NMEA | 없음 | DBU |
첨가제 농도 (중량%) | 25 | 3 | 3 | 0 | 3 |
# 흡수기 트레이 | 20 | 25 | 25 | 25 | 25 |
# 스트리퍼 트레이 | 20 | 20 | 20 | 20 | |
총 가스 공급속도 (㏄/분) | 2997 | 2996 | 2995 | 3026 | 3008 |
공급 CO2 (몰%) | 10.09 | 10.18 | 10.06 | 9.64 | 11.06 |
공급 COS (몰%) | 1.48 | 1.51 | 1.51 | 1.21 | 1.63 |
스위트 (sweet) CO2 (몰%) | 10.02 | 10.1 | 10.12 | 9.74 | 11.01 |
스위트 COS (몰%) | 1.47 | 1.07 | 1.41 | 1.14 | 1.59 |
흡수기: | |||||
희박 (lean) H2O 함량 (중량%) | 3.2 | 4 | 4.6 | 7.4 | 4.3 |
희박 용매 유동 (㏄/분) | 11 | 11 | 11 | 11 | 11 |
희박 T (F) | 80.7 | 78.8 | 79.8 | 79.8 | 80.5 |
공급 가스 T (F) | 80.8 | 79.1 | 79.5 | 79.3 | 80.3 |
스위트 가스 (F) | 81.6 | 79.5 | 80.6 | 79.8 | 80.8 |
풍부 T (F) | 79.3 | 77.6 | 78.1 | 77.9 | 77.1 |
흡수기 P (H2O 중에서) | 28 | 28 | 28 | 28 | 28 |
스트리퍼: | |||||
열풍부 유입구 T (F) | 239.1 | 220.3 | 232.5 | 229.1 | 231.5 |
오버헤드 Vap T (C) | 103 | 100 | 103 | 100 | 100 |
리보일러 (reboiler) T (F) | 264.7 | 258.3 | 254.6 | 270.5 | 259.5 |
COS 흡수 (공급물의 %) | 0.7 | 29.1 | 6.6 | 5.8 | 2.5 |
CO2 흡수 (공급물의 %) | 0.7 | 0.8 | -0.6 | -1.0 | 0.5 |
비교예 4 | 비교예 5 | 실시예 3 | |
기본 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 |
첨가제 | DBN | DABCO | DEA |
첨가제 농도 (중량%) | 3 | 3 | 3 |
흡수기 트레이의 수 | 25 | 25 | 25 |
스트리퍼 트레이의 수 | 20 | 20 | 20 |
총 가스 공급속도 (㏄/분) | 3000 | 2999 | 3004 |
공급 CO2 (몰%) | 10.9 | 10.26 | 10.3 |
공급 COS (몰%) | 1.6 | 1.51 | 1.48 |
스위트 CO2 (몰%) | 10.97 | 10.26 | 10.01 |
스위트 COS (몰%) | 1.55 | 1.47 | 1.2 |
흡수기: | |||
희박 H2O 함량 (중량%) | 4 | 3.6 | 4.1 |
희박 용매 유동 (㏄/분) | 11 | 11 | 11 |
희박 T (F) | 80.7 | 82.3 | 81.1 |
공급 가스 T (F) | 80.3 | 81.8 | 81 |
스위트 가스 (F) | 80.8 | 82.3 | 81.6 |
풍부 T (F) | 79.4 | 79.5 | 79.8 |
흡수기 P (H2O 중에서) | 28 | 28 | 28 |
스트리퍼: | |||
열풍부 유입구 T (F) | 227.6 | 246.5 | 226.7 |
오버헤드 Vap T (C) | 100 | 102 | 102 |
리보일러 T (F) | 259.9 | 260.6 | 256.1 |
COS 흡수 (공급물의 %) | 3.1 | 2.6 | 18.9 |
CO2 흡수 (공급물의 %) | -0.6 | 0.0 | 2.8 |
실시예 4 | 비교예 6 | 비교예 7 | 실시예 5 | 실시예 6 | |
기본 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 |
첨가제 | MEA | 퀴누클리딘 | 없음 | DEA | NMEA |
첨가제 농도 (중량%) | 3 | 3 | 0 | 3 | 3 |
흡수기 트레이의 수 | 25 | 25 | 25 | 25 | 25 |
스트리퍼 트레이의 수 | 20 | 20 | 20 | 20 | 20 |
총 가스 공급속도 (㏄/분) | 2999 | 2978 | 2985 | 2990 | 3012 |
공급 CO2 (몰%) | 10.09 | 10.06 | 10.13 | 10.03 | 10.11 |
공급 COS (몰%) | 1.8 | 1.76 | 1.72 | 1.7 | 1.67 |
스위트 CO2 (몰%) | 10.16 | 10.08 | 10.11 | 10.02 | 10.02 |
스위트 COS (몰%) | 1.29 | 1.67 | 1.7 | 1.43 | 0.8 |
흡수기: | |||||
희박 H2O 함량 (중량%) | 5.4 | 4.5 | 3.7 | 3.6 | 4 |
희박 용매 유동 (㏄/분) | 11 | 11 | 11 | 11 | 11 |
희박 T (F) | 79.7 | 80.7 | 82 | 83.2 | 80.9 |
공급 가스 T (F) | 80.6 | 79.9 | 80.5 | 81.8 | 83.2 |
스위트 가스 (F) | 81.1 | 81 | 81.4 | 83 | 83.5 |
풍부 T (F) | 78.6 | 76.7 | 77.8 | 80.9 | 82.5 |
흡수기 P (H2O 중에서) | 28 | 28 | 28 | 28 | 28 |
스트리퍼: | |||||
열풍부 유입구 T (F) | 222.1 | 213.8 | 209.7 | 207.6 | 201.2 |
오버헤드 Vap T (C) | 109 | 103 | 105 | 101 | 100 |
리보일러 T (F) | 246.6 | 250.2 | 257.5 | 256.9 | 255.1 |
COS 흡수 (공급물의 %) | 28.3 | 5.1 | 1.2 | 15.9 | 52.1 |
CO2 흡수 (공급물의 %) | -0.7 | -0.2 | 0.2 | 0.1 | 0.9 |
실시예 7 |
실시예 8 |
비교예 8 | 실시예 9 | 비교예 9 | |
기본 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 | DMTP | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 |
첨가제 | NMEA | DIPA | 없음 | HEP | TEA |
첨가제 농도 (중량%) | 3 | 3 | 0 | 3 | 3 |
흡수기 트레이의 수 | 25 | 25 | 25 | 25 | 25 |
스트리퍼 트레이의 수 | 20 | 20 | 20 | 20 | 20 |
총 가스 공급속도 (㏄/분) | 3023 | 3013 | 3004 | 2990 | 3000 |
공급 CO2 (몰%) | 10.08 | 10.08 | 10.02 | 10.06 | 10.01 |
공급 COS (몰%) | 1.61 | 1.64 | 1.67 | 1.58 | 1.52 |
스위트 CO2 (몰%) | 9.97 | 9.98 | 10.13 | 9.99 | 9.96 |
스위트 COS (몰%) | 0.8 | 1.33 | 1.61 | 1.31 | 1.49 |
흡수기: | |||||
희박 H2O 함량 (중량%) | 3.7 | 4 | 8.2 | 3.2 | 3.6 |
희박 용매 유동 (㏄/분) | 11 | 11 | 11 | 11 | 11 |
희박 T (F) | 79.4 | 82.9 | 82.4 | 84.2 | 81 |
공급 가스 T (F) | 78.4 | 81.3 | 81.1 | 82.4 | 79.3 |
스위트 가스 (F) | 79.4 | 82.6 | 82 | 83.7 | 80.3 |
풍부 T (F) | 78.3 | 80.1 | 79.6 | 80.2 | 77.5 |
흡수기 P (H2O 중에서) | 28 | 28 | 28 | 28 | 28 |
스트리퍼: | |||||
열풍부 유입구 T (F) | 200.2 | 206.7 | 198.9 | 197.5 | 180.5 |
오버헤드 Vap T (C) | 101 | 100 | 104 | 100 | 101 |
리보일러 T (F) | 255.6 | 255.6 | 271.3 | 258.4 | 255.7 |
COS 흡수 (공급물의 %) | 50.3 | 18.9 | 3.6 | 17.1 | 2.0 |
CO2 흡수 (공급물의 %) | 1.1 | 1.0 | -1.1 | 0.7 | 0.5 |
비교예 10 | 비교예 11 | 실시예 10 | 비교예 12 | |
기본 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 | DMTP | 셀렉솔(상표명) 용매 |
첨가제 | TEA | MDEA | DEA | DMEA |
첨가제 농도 (중량%) | 3 | 3 | 3 | 3 |
흡수기 트레이의 수 | 25 | 25 | 25 | 25 |
스트리퍼 트레이의 수 | 20 | 20 | 20 | 20 |
총 가스 공급속도 (㏄/분) | 3005 | 2995 | 2981 | 2994 |
공급 CO2 (몰%) | 10.17 | 10.01 | 10.09 | 9.95 |
공급 COS (몰%) | 1.48 | 1.52 | 1.52 | 1.47 |
스위트 CO2 (몰%) | 9.9 | 9.88 | 10.03 | 9.95 |
스위트 COS (몰%) | 1.49 | 1.5 | 0.91 | 1.44 |
흡수기: | ||||
희박 H2O 함량 (중량%) | 4.2 | 3.8 | 8.6 | 4 |
희박 용매 유동 (㏄/분) | 11 | 11 | 11 | 11 |
희박 T (F) | 82.6 | 82.6 | 80 | 80.3 |
공급 가스 T (F) | 80.4 | 80.4 | 79 | 79.7 |
스위트 가스 (F) | 81.9 | 81.8 | 79.6 | 81 |
풍부 T (F) | 77.8 | 78.5 | 79.4 | 76.9 |
흡수기 P (H2O 중에서) | 28 | 28 | 28 | 28 |
스트리퍼: | ||||
열풍부 유입구 T (F) | 185.2 | 189.5 | 182.2 | 198.3 |
오버헤드 Vap T (C) | 102 | 108 | 105 | 108 |
리보일러 T (F) | 256.6 | 257.6 | 264.3 | 253.7 |
COS 흡수 (공급물의 %) | -0.7 | 1.3 | 40.1 | 2.0 |
CO2 흡수 (공급물의 %) | 2.7 | 1.3 | 0.6 | 0.0 |
비교예 13 | 실시예 11 | 실시예 12 | 실시예 13 | |
003 | ||||
기본 용매 | 셀렉솔(상표명) 용매 | 셀렉솔(상표명) 용매 | DMTP | 셀렉솔(상표명) 용매 |
첨가제 | 없음 | HEP | HEP | AEE |
첨가제 농도 (중량%) | 0 | 3 | 3 | 3 |
# 흡수기 트레이 | 25 | 25 | 25 | 25 |
# 스트리퍼 트레이 | 20 | 20 | 20 | 20 |
총 가스 공급속도 (㏄/분) | 2985 | 2985 | 2985 | 2985 |
공급 CO2 (몰%) | 8.65 | 9.34 | 9.76 | 9.75 |
공급 COS (몰%) | 1.48 | 1.47 | 1.44 | 1.43 |
스위트 CO2 (몰%) | 8.65 | 8.14 | 8.61 | 8.36 |
스위트 COS (몰%) | 1.33 | 0.52 | 0.58 | 0.41 |
흡수기: | ||||
희박 H2O 함량 (중량%) | 7.2 | 3.9 | 6.8 | 3.9 |
희박 용매 유동 (㏄/분) | 30 | 30 | 30 | 30 |
희박 T (F) | 81 | 85 | 84 | 85 |
공급 가스 T (F)1 | 89 | 89 | 89 | 89 |
스위트 가스 (F) | 66 | 72 | 72 | 70 |
풍부 T (F)2 | 83 | 88 | 88 | 87 |
흡수기 P (H2O 중에서) | 28 | 28 | 28 | 28 |
스트리퍼: | ||||
열풍부 유입구 T (F) | 209 | 203 | 194 | 204 |
오버헤드 Vap T (C) | 215 | 216 | 215 | 214 |
리보일러 T (F) | 115 | 122 | 118 | 132 |
COS 흡수 (공급물의 %) | 10 | 65 | 60 | 71 |
CO2 흡수 (공급물의 %) | 0 | 13 | 12 | 14 |
1. 공급 가스 가열기의 배출구에서 측정됨. 2. 포트 아래의 최저 흡수기 트레이에서 측정됨. |
비교예 14 | 실시예 14 | 실시예 15 | |
기본 용매 | DMTP | DMTP | DMTP |
첨가제 | 없음 | HEP | NMEA |
첨가제 농도 (중량%) | 0 | 3 | 3 |
# 흡수기 트레이 | 25 | 25 | 25 |
# 스트리퍼 트레이 | 20 | 20 | 20 |
총 가스 공급속도 (㏄/분) | 2985 | 2985 | 2985 |
공급 CO2 (몰%) | 9.75 | 9.73 | 9.66 |
공급 COS (몰%) | 1.43 | 1.43 | 1.42 |
스위트 CO2 (몰%) | 9.47 | 9.14 | 8.69 |
스위트 COS (몰%) | 1.31 | 0.45 | 0.0 |
흡수기: | |||
희박 H2O 함량 (중량%) | 9.1 | 4.9 | 3.9 |
희박 용매 유동 (㏄/분) | 11 | 11 | 11 |
희박 T (F) | 76 | 79 | 82 |
공급 가스 T (F)1 | 85 | 84 | 77 |
스위트 가스 (F) | 71 | 72 | 68 |
풍부 T (F)2 | 82 | 83 | 82 |
흡수기 P (H2O 중에서) | 28 | 28 | 28 |
스트리퍼: | |||
열풍부 유입구 T (F) | 238 | 261 | 244 |
오버헤드 Vap T (C) | 216 | 212 | 211 |
리보일러 T (F) | 129 | 149 | 150 |
COS 흡수 (공급물의 %) | 8 | 69 | 100 |
CO2 흡수 (공급물의 %) | 3 | 6 | 10 |
1. 공급 가스 가열기의 배출구에서 측정됨. 2. 포트 아래의 최저 흡수기 트레이에서 측정됨. |
Claims (22)
- a) 하기 화학식 I의 폴리알킬렌 글리콜 알킬 에테르의 혼합물; 및b) 하기 화학식 II의 1종 이상의 알칸올아민 화합물 또는 하기 화학식 III의 1종 이상의 피페라진 화합물을 포함하고,화학식 I의 폴리알킬렌 글리콜 알킬 에테르가 화학식 CH3O(C2H4O)nCH3 (여기서, n은 1 내지 10이다)의 폴리에틸렌 글리콜의 디메틸 에테르를 포함하는 폴리알킬렌 글리콜 알킬 에테르의 혼합물이며,상기 폴리알킬렌 글리콜 알킬 에테르의 혼합물이 0 내지 0.5 중량%의 디에틸렌 글리콜 디메틸 에테르, 5 내지 7 중량%의 트리에틸렌 글리콜 디메틸 에테르, 16 내지 18 중량%의 테트라에틸렌 글리콜 디메틸 에테르, 23 내지 25 중량%의 펜타에틸렌 글리콜 디메틸 에테르, 22 내지 24 중량%의 헥사에틸렌 글리콜 디메틸 에테르, 15 내지 17 중량%의 헵타에틸렌 글리콜 디메틸 에테르, 8 내지 10 중량%의 옥타에틸렌 글리콜 디메틸 에테르, 3 내지 5 중량%의 노나에틸렌 글리콜 디메틸 에테르, 및 1 내지 2 중량%의 데카에틸렌 글리콜 디메틸 에테르를 포함하는, 카르보닐 술피드 (COS)를 함유하는 가스 스트림으로부터 COS를 선택적으로 제거하기 위한 용매 조성물.<화학식 I>R1O-(Alk-O)n-R2<화학식 II>R3NHR4OR6<화학식 III>상기 식에서,R1은 1 내지 6개의 탄소 원자를 갖는 알킬기이고;R2는 수소 또는 1 내지 4개의 탄소 원자를 갖는 알킬기이고;Alk는 2 내지 4개의 탄소 원자를 갖는 분지형 또는 비분지형 알킬렌기이고;n은 1 내지 10이고;R3은 수소, 1 내지 6개의 탄소 원자를 갖는 알킬기, 또는 R4OH 기이고;R4는 1 내지 6개의 탄소 원자를 갖는 분지형 또는 비분지형 알킬렌기이고;R5는 각각의 경우에 독립적으로 수소 또는 1 내지 4개의 탄소 원자를 갖는 히드록시알킬기이고;R6은 수소, 1 내지 6개의 탄소 원자를 갖는 알킬기, 또는 1 내지 4개의 탄소 원자를 갖는 히드록시알킬기이다.
- 삭제
- 삭제
- 제1항에 있어서, 성분 b)가 치환체 R3이 수소인 화학식 II의 알칸올아민인 용매 조성물.
- 제1항에 있어서, 성분 b)가 모노에탄올아민인 용매 조성물.
- 제1항에 있어서, 성분 b)가 치환체 R3이 1 내지 6개의 탄소 원자를 갖는 알킬기 또는 R4OH 기인 화학식 II의 알칸올아민인 용매 조성물.
- 제6항에 있어서, 화학식 II의 알칸올아민이 디에탄올아민, 메틸에탄올아민 및 디이소프로판올아민으로 이루어진 군으로부터 선택된 것인 용매 조성물.
- 제1항에 있어서, 성분 b)가 피페라진인 용매 조성물.
- 제1항에 있어서, 성분 b)가 히드록시에틸피페라진인 용매 조성물.
- COS 및 CO2를 함유하는 가스 스트림을a) 하기 화학식 I의 폴리알킬렌 글리콜 알킬 에테르의 혼합물; 및b) 하기 화학식 II의 1종 이상의 알칸올아민 화합물 또는 하기 화학식 III의 1종 이상의 피페라진 화합물을 포함하는 용매 조성물과 접촉시키는 것을 포함하며,상기 폴리알킬렌 글리콜 알킬 에테르의 혼합물이 0 내지 0.5 중량%의 디에틸렌 글리콜 디메틸 에테르, 5 내지 7 중량%의 트리에틸렌 글리콜 디메틸 에테르, 16 내지 18 중량%의 테트라에틸렌 글리콜 디메틸 에테르, 23 내지 25 중량%의 펜타에틸렌 글리콜 디메틸 에테르, 22 내지 24 중량%의 헥사에틸렌 글리콜 디메틸 에테르, 15 내지 17 중량%의 헵타에틸렌 글리콜 디메틸 에테르, 8 내지 10 중량%의 옥타에틸렌 글리콜 디메틸 에테르, 3 내지 5 중량%의 노나에틸렌 글리콜 디메틸 에테르, 및 1 내지 2 중량%의 데카에틸렌 글리콜 디메틸 에테르를 포함하는, COS 및 CO2를 함유하는 가스 스트림으로부터 COS를 선택적으로 제거하는 방법.<화학식 I>R1O-(Alk-O)n-R2<화학식 II>R3NHR4OR6<화학식 III>상기 식에서,R1은 1 내지 6개의 탄소 원자를 갖는 알킬기이고;R2는 수소 또는 1 내지 4개의 탄소 원자를 갖는 알킬기이고;Alk는 2 내지 4개의 탄소 원자를 갖는 분지형 또는 비분지형 알킬렌기이고;n은 1 내지 10이고;R3은 수소, 1 내지 6개의 탄소 원자를 갖는 알킬기, 또는 R4OH 기이고;R4는 1 내지 6개의 탄소 원자를 갖는 분지형 또는 비분지형 알킬렌기이고;R5는 각각의 경우에 독립적으로 수소 또는 1 내지 4개의 탄소 원자를 갖는 히드록시알킬기이고;R6은 수소, 1 내지 6개의 탄소 원자를 갖는 알킬기, 또는 1 내지 4개의 탄소 원자를 갖는 히드록시알킬기이다.
- 제10항에 있어서, 화학식 I의 폴리알킬렌 글리콜 알킬 에테르가 화학식 CH3O(C2H4O)nCH3 (여기서, n은 1 내지 10이다)의 폴리에틸렌 글리콜의 디메틸 에테르를 포함하는 폴리알킬렌 글리콜 알킬 에테르의 혼합물인 용매 조성물과 가스 스트림을 접촉시키는 것을 포함하는, 가스 스트림으로부터 COS를 선택적으로 제거하는 방법.
- 삭제
- 제10항 또는 제11항에 있어서, 성분 b)가 치환체 R3이 수소인 화학식 II의 알칸올아민인 방법.
- 제10항 또는 제11항에 있어서, 성분 b)가 모노에탄올아민인 방법.
- 제10항 또는 제11항에 있어서, 성분 b)가 치환체 R3이 1 내지 6개의 탄소 원자를 갖는 알킬기 또는 R4OH 기인 화학식 II의 알칸올아민인 방법.
- 제15항에 있어서, 화학식 II의 알칸올아민이 디에탄올아민, 메틸에탄올아민 및 디이소프로판올아민으로 이루어진 군으로부터 선택된 것인 방법.
- 제10항 또는 제11항에 있어서, 성분 b)가 피페라진인 방법.
- 제10항 또는 제11항에 있어서, 성분 b)가 히드록시에틸피페라진인 방법.
- 삭제
- 삭제
- 삭제
- 삭제
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