JP6216795B2 - ブタジエン抽出予備吸収塔 - Google Patents
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- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 title claims description 364
- 238000010521 absorption reaction Methods 0.000 title claims description 52
- 238000000605 extraction Methods 0.000 title claims description 36
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 77
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims description 77
- 239000002904 solvent Substances 0.000 claims description 75
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 52
- 239000001273 butane Substances 0.000 claims description 48
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 40
- 229930195733 hydrocarbon Natural products 0.000 claims description 30
- 150000002430 hydrocarbons Chemical class 0.000 claims description 29
- 239000003960 organic solvent Substances 0.000 claims description 25
- 238000005406 washing Methods 0.000 claims description 16
- 239000004215 Carbon black (E152) Substances 0.000 claims description 15
- 239000011877 solvent mixture Substances 0.000 claims description 10
- 238000005839 oxidative dehydrogenation reaction Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005336 cracking Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- -1 C 4 hydrocarbons Chemical class 0.000 claims description 3
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- 230000005494 condensation Effects 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims 13
- 238000006243 chemical reaction Methods 0.000 claims 1
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- 239000000945 filler Substances 0.000 description 8
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- 238000000926 separation method Methods 0.000 description 7
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 5
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- KDKYADYSIPSCCQ-UHFFFAOYSA-N but-1-yne Chemical compound CCC#C KDKYADYSIPSCCQ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 4
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 4
- NIUAGEVCVWHMTA-UHFFFAOYSA-N 5-(4-iodophenyl)-1-(4-methylsulfonylphenyl)-3-(trifluoromethyl)pyrazole Chemical compound C1=CC(S(=O)(=O)C)=CC=C1N1C(C=2C=CC(I)=CC=2)=CC(C(F)(F)F)=N1 NIUAGEVCVWHMTA-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 150000008431 aliphatic amides Chemical class 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- QNRMTGGDHLBXQZ-UHFFFAOYSA-N buta-1,2-diene Chemical compound CC=C=C QNRMTGGDHLBXQZ-UHFFFAOYSA-N 0.000 description 2
- WFYPICNXBKQZGB-UHFFFAOYSA-N butenyne Chemical group C=CC#C WFYPICNXBKQZGB-UHFFFAOYSA-N 0.000 description 2
- 150000003950 cyclic amides Chemical class 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000001282 iso-butane Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- LCEDQNDDFOCWGG-UHFFFAOYSA-N morpholine-4-carbaldehyde Chemical compound O=CN1CCOCC1 LCEDQNDDFOCWGG-UHFFFAOYSA-N 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
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- 238000009420 retrofitting Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000004230 steam cracking Methods 0.000 description 2
- NUMQCACRALPSHD-UHFFFAOYSA-N tert-butyl ethyl ether Chemical compound CCOC(C)(C)C NUMQCACRALPSHD-UHFFFAOYSA-N 0.000 description 2
- SWSOIFQIPTXLOI-HNQUOIGGSA-N (e)-1,4-dichlorobut-1-ene Chemical compound ClCC\C=C\Cl SWSOIFQIPTXLOI-HNQUOIGGSA-N 0.000 description 1
- SFPQDYSOPQHZAQ-UHFFFAOYSA-N 2-methoxypropanenitrile Chemical compound COC(C)C#N SFPQDYSOPQHZAQ-UHFFFAOYSA-N 0.000 description 1
- UPOMCDPCTBJJDA-UHFFFAOYSA-N 2-methyl-1-[(2-methylpropan-2-yl)oxy]propane Chemical compound CC(C)COC(C)(C)C UPOMCDPCTBJJDA-UHFFFAOYSA-N 0.000 description 1
- AAWDTJWBMQRPCW-UHFFFAOYSA-N 3-chloroocta-1,3-diene Chemical compound CCCCC=C(Cl)C=C AAWDTJWBMQRPCW-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- BTGRAWJCKBQKAO-UHFFFAOYSA-N adiponitrile Chemical compound N#CCCCCC#N BTGRAWJCKBQKAO-UHFFFAOYSA-N 0.000 description 1
- 150000001361 allenes Chemical class 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- HHEMIMSLFVBJMH-UHFFFAOYSA-N but-1-yne Chemical compound C#CCC.C(C)C#C HHEMIMSLFVBJMH-UHFFFAOYSA-N 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- AQEFLFZSWDEAIP-UHFFFAOYSA-N di-tert-butyl ether Chemical compound CC(C)(C)OC(C)(C)C AQEFLFZSWDEAIP-UHFFFAOYSA-N 0.000 description 1
- 238000006471 dimerization reaction Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- MWWATHDPGQKSAR-UHFFFAOYSA-N propyne Chemical compound CC#C MWWATHDPGQKSAR-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/12—Alkadienes
- C07C11/16—Alkadienes with four carbon atoms
- C07C11/167—1, 3-Butadiene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/11—Purification; Separation; Use of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/40—Extractive distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
- C07C4/02—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/42—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor
- C07C5/48—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with oxygen as an acceptor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/10—Purification; Separation; Use of additives by extraction, i.e. purification or separation of liquid hydrocarbons with the aid of liquids
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49716—Converting
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- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims (17)
- C4留分からブタジエンを回収する方法であって、
ブタジエン予備吸収塔内で、ブタンとブテンとブタジエンとを含む混合C4ストリームを有機溶媒と水とを含む溶媒と接触させ、ブタンの少なくとも一部とブテンと水とを含む塔頂留分と、有機溶媒とブタジエンとブテンの少なくとも一部とを含む第1の液相の塔底留分とを回収する工程と、
第1の液相の塔底留分を、主洗浄塔と、精留/後洗浄塔を備えているブタジエン抽出ユニットに供給する工程と、
主洗浄塔内で、第1の液相の塔底留分を有機溶媒と水とを含む追加の溶媒と接触させ、ブテンと水の少なくとも一部とを含む塔頂留分と、有機溶媒とブタジエンとを含む第2の液相の塔底留分を回収する工程と、
精留/後洗浄塔内で、有機溶媒からブタジエンを分離し、溶媒留分と粗製ブタジエン留分を回収する工程と、を含む方法。 - 溶媒留分の少なくとも一部を、有機溶媒として予備吸収塔と主洗浄塔に再循環させる工程をさらに含む請求項1に記載の方法。
- ブタンの少なくとも一部とブテンと水とを含む塔頂留分と、ブテンと水の少なくとも一部とを含む塔頂留分とを、共通の塔頂凝縮システムに供給し、組み合わせた塔頂留分ストリームの少なくとも一部を凝縮させる工程をさらに含む請求項1に記載の方法。
- 1つまたは複数の脱水素反応器内で、ブタンを含むC4炭化水素ストリームを、分解,酸化的脱水素および非酸化的脱水素のうちの少なくとも1つによって、ブタンとブテンとブタジエンとを含む生成物ガスストリームを生成する工程と、
生成物ガスストリームの少なくとも一部を、ブタジエン予備吸収塔内で接触させるために供給する工程と、をさらに含む請求項1に記載の方法。 - ブタンの少なくとも一部とブテンと水とを含む塔頂留分と、ブテンと水の少なくとも一部とを含む塔頂留分、の一方または両方の少なくとも一部を、1つまたは複数の脱水素反応器に再循環させる工程をさらに含む請求項4に記載の方法。
- 第1の液相の塔底留分内の総C4炭化水素に対するブタジエンの濃度が少なくとも40重量パーセントとなるように、ブタジエン予備吸収塔を操作する工程をさらに含む請求項1に記載の方法。
- ブタンの少なくとも一部とブテンと水とを含む塔頂留分と、ブテンと水の少なくとも一部とを含む塔頂留分、の少なくとも1つから水を分離する工程をさらに含む請求項1に記載の方法。
- 組み合わせた塔頂留分ストリームから水を分離する工程をさらに含む請求項3に記載の方法。
- 有機溶媒がN−メチルピロリドンを含む請求項1に記載の方法。
- ブタンとブテンとブタジエンとを含む混合C4ストリームからブタジエンを回収するためのブタジエン抽出システムを改造する方法であって、
前記システムは、気体混合C4ストリームを溶媒または溶媒混合物と接触させ、ブタンとブテンとを含む塔頂留分と、ブタジエンと溶媒または溶媒混合物とを含む液相の塔底留分と、を回収するための主洗浄塔を備えており、
気体混合C4ストリームを受け取って溶媒または溶媒混合物と接触させ、ブタンとブテンとを含む塔頂留分と、ブタジエンとブテンの少なくとも一部と溶媒または溶媒混合物とを含む液相の塔底留分と、を回収するためのブタジエン予備吸収塔を取り付ける工程と、
ブタジエン予備吸収塔の液相の塔底留分を主洗浄塔に供給してその液相の塔底留分を追加の溶媒と接触させ、ブテンを含む塔頂留分と、ブタジエンと溶媒と追加の溶媒とを含む塔底留分と、を回収するために、ブタジエン予備吸収塔と主洗浄塔とを流体接続させる工程と、
主洗浄塔に供給される塔底留分を分配するために、主洗浄塔内に液体分配器を取り付ける工程と、を含む方法。 - ブタジエン予備吸収塔を主洗浄塔の既存の塔頂システムに流体接続させる工程さらに含む請求項10に記載の方法。
- 混合C4炭化水素留分からブタジエンを回収するためのシステムであって、
ブタンとブテンとブタジエンとを含む混合C4ストリームを有機溶媒と水とを含む溶媒と接触させ、ブタンの少なくとも一部とブテンと水とを含む塔頂留分と、有機溶媒とブタジエンとブテンの少なくとも一部とを含む第1の液相の塔底留分と、を回収するためのブタジエン予備吸収塔と、
第1の液相の塔底留分を分離し、ブテン留分と粗製ブタジエン留分と溶媒留分とを回収するためのブタジエン抽出ユニットと、を備えており、
ブタジエン抽出ユニットは、
液相の塔底留分を有機溶媒と水とを含む追加の溶媒と接触させ、ブテンと水の少なくとも一部とを含む塔頂留分と、有機溶媒とブタジエンとを含む第2の液相の塔底留分と、を回収するための主洗浄塔と、
ブタジエンを有機溶媒から分離し、溶媒留分と粗製ブタジエン留分とを回収するための精留/後洗浄塔と、を備えているシステム。 - 溶媒留分の少なくとも一部を有機溶媒として予備吸収塔および主洗浄塔に再循環させるための1つまたは複数の流体導管をさらに備えている請求項12に記載のシステム。
- (i)ブタンとブテンと水の少なくとも一部とを含む塔頂留分と、(ii)ブテンと水の少なくとも一部とを含む塔頂留分と、(iii)(i)と(ii)との混和物を含む組み合わせた塔頂留分ストリームと、の少なくとも一部を凝縮させるための1つまたは複数の塔頂凝縮システムをさらに備えている請求項12に記載のシステム。
- ブタンを含むC4炭化水素ストリームの分解,酸化的脱水素および非酸化的脱水素の少なくとも1つにより、ブタンとブテンとブタジエンとを含む生成物ガスストリームを生成するための1つまたは複数の反応器と、
生成物ガスストリームの少なくとも一部をブタジエン予備吸収塔に供給するための流体導管と、をさらに備える請求項12に記載のシステム。 - ブタンの少なくとも一部とブテンと水を含む塔頂留分と、ブテンと水の少なくとも一部とを含む塔頂留分の、一方または両方の少なくとも一部を、1つまたは複数の反応器に再循環するための1つまたは複数の流体導管をさらに備える、請求項15に記載のシステム。
- 第1の液相の塔底留分内の総C4炭化水素に対するブタジエンの濃度が少なくとも40重量パーセントとなるように、ブタジエン予備吸収塔を操作するための制御システムをさらに備える請求項12に記載のシステム。
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| US201261703409P | 2012-09-20 | 2012-09-20 | |
| US61/703,409 | 2012-09-20 | ||
| PCT/US2013/054909 WO2014046811A1 (en) | 2012-09-20 | 2013-08-14 | Butadiene extraction pre-absorber |
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| US12408589B2 (en) | 2018-06-18 | 2025-09-09 | Ag Leader Technology | Agricultural systems having stalk sensors and data visualization systems and related devices and methods |
| US12414505B2 (en) | 2020-09-04 | 2025-09-16 | Ag Leader Technology | Harvesting system for row-by-row control of a harvester |
| US12507627B2 (en) | 2020-04-08 | 2025-12-30 | Ag Leader Technology | Method for warning of a shelled ear event |
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| EP3339274A1 (de) * | 2016-12-22 | 2018-06-27 | Linde Aktiengesellschaft | Verfahren und anlage zur herstellung von olefinen |
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| CN110066212B (zh) * | 2018-01-22 | 2022-04-01 | 惠生工程(中国)有限公司 | 一种甲醇制烯烃工艺副产碳四烯烃氧化脱氢制丁二烯工艺 |
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|---|---|---|---|---|
| US12408589B2 (en) | 2018-06-18 | 2025-09-09 | Ag Leader Technology | Agricultural systems having stalk sensors and data visualization systems and related devices and methods |
| US20210329838A1 (en) * | 2019-09-04 | 2021-10-28 | Ag Leader Technology | Apparatus, Systems And Methods For Stalk Sensing |
| US12495736B2 (en) * | 2019-09-04 | 2025-12-16 | Ag Leader Technology | Apparatus, systems and methods for stalk sensing |
| US12507627B2 (en) | 2020-04-08 | 2025-12-30 | Ag Leader Technology | Method for warning of a shelled ear event |
| US12414505B2 (en) | 2020-09-04 | 2025-09-16 | Ag Leader Technology | Harvesting system for row-by-row control of a harvester |
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