JP2017503802A - ジメチルエーテル反応器の生成物流の分離処理法 - Google Patents
ジメチルエーテル反応器の生成物流の分離処理法 Download PDFInfo
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- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 title claims abstract description 196
- 238000000926 separation method Methods 0.000 title claims abstract description 59
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 141
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 98
- 238000004821 distillation Methods 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 67
- 238000010521 absorption reaction Methods 0.000 claims abstract description 64
- 239000007789 gas Substances 0.000 claims abstract description 53
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 49
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910001868 water Inorganic materials 0.000 claims abstract description 45
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 36
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000001257 hydrogen Substances 0.000 claims abstract description 23
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 23
- 238000010992 reflux Methods 0.000 claims abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims 5
- VNWKTOKETHGBQD-AKLPVKDBSA-N carbane Chemical compound [15CH4] VNWKTOKETHGBQD-AKLPVKDBSA-N 0.000 claims 1
- 239000000047 product Substances 0.000 description 38
- 239000000203 mixture Substances 0.000 description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 238000009833 condensation Methods 0.000 description 10
- 230000005494 condensation Effects 0.000 description 10
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- 238000009835 boiling Methods 0.000 description 5
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
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- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
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- 230000003197 catalytic effect Effects 0.000 description 1
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- 230000001419 dependent effect Effects 0.000 description 1
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- 239000012263 liquid product Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- 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
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- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
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- B01D—SEPARATION
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- C07C43/02—Ethers
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Abstract
Description
Claims (14)
- 合成ガス(e)からジメチルエーテルを合成するために使用する反応器(4)からの、少なくともジメチルエーテル、メタノール、水、二酸化炭素、一酸化炭素、および水素を含む生成物流(g)を、分離技術によって処理する方法であって、
前記処理法は、
前記生成物流(g)を、液体を還流させている吸収塔(6)に、少なくとも部分的に気体状態で供給し、気体状の頂部流(m)を前記吸収塔(6)の頂部より取り出し、液体状の液溜め流(p)を底部より取り出す工程と、
前記液溜め流(p)の少なくとも一部を第1蒸留塔(5)に供給し、ジメチルエーテルを含む移送流(q)と、主にメタノールおよび/または水を含む流れ(r)を、前記第1蒸留塔(5)から取り出す工程と、
前記頂部流(m)の少なくとも一部を、初めに第1温度レベルまで冷却し、その後、1つ以上の追加的温度レベルまで更に冷却し、前記第1温度レベルまで冷却後に第1凝縮物流(n)が生成し、前記追加的温度レベルまで更に冷却後に、1つ以上の追加的凝縮物流(s、t)が生成する工程と、
前記第1凝縮物流(n)の一部を用いて前記液体還流を作り、前記追加的凝縮物流(s、t)の少なくとも一部を追加的蒸留塔(9)へ供給し、前記追加的蒸留塔(9)から、主にジメチルエーテルを含み、二酸化炭素の少ない、または二酸化炭素を含まない液体流(z)を底部より取り出す、
ことを特徴とする処理法。 - 前記液体還流の生成に用いられない、前記第1凝縮物流(n)の留分の少なくとも一部を、前記第1蒸留塔(5)または前記追加的蒸留塔(9)へ供給することを特徴とする、請求項1に記載の処理法。
- 前記頂部流(m)中のメタノールおよび/または水が少なくなるよう、前記吸収塔(6)を運転することを特徴とする、請求項1または2に記載の処理法。
- 前記追加的凝縮物流(s、t)中の一酸化炭素および水素が少なくなるよう、前記追加的温度レベルを選択することを特徴とする、前記請求項のいずれか1項に記載の処理法。
- 二酸化炭素が多く、ジメチルエーテルの少ない気体状頂部流を、前記追加的蒸留塔(9)の頂部より取り出すことを特徴とする、前記請求項のいずれか1項に記載の処理法。
- 前記生成物流(g)を、20から100bar、特に、30から70barの圧力レベルで前記吸収塔(6)に供給することを特徴とする、前記請求項のいずれか1項に記載の処理法。
- 前記生成物流(g)を、60から150℃の温度レベルで前記吸収塔(6)に供給することを特徴とする、前記請求項のいずれか1項に記載の処理法。
- 前記頂部流(m)を追加的温度レベルまで更に冷却する前記工程が、二酸化炭素の融解温度と−15℃の間の最低温度レベルまでへの冷却を含むことを特徴とする、前記請求項のいずれか1項に記載の処理法。
- 前記最低温度レベルまで冷却後に気体として残った前記頂部流(m)の留分を、追加的吸収塔(16)に供給することを特徴とする、請求項8に記載の処理法。
- 前記追加的吸収塔(16)にも、前記追加的蒸留塔(9)からの、二酸化炭素の多い液化した頂部流から作った液体(v)を還流させることを特徴とする、請求項9に記載の処理法。
- 前記生成物流(g)が、2から50モル%のジメチルエーテルと、0.1から20モル%のメタノールと、0.1から20モル%の水と、1から50モル%の二酸化炭素と、0.1から25モル%の一酸化炭素と、5から90モル%の水素とを含むことを特徴とする、前記請求項のいずれか1項に記載の処理法。
- 合成ガス(e)からジメチルエーテルを合成するために使用する反応器(4)からの、少なくともジメチルエーテル、メタノール、水、二酸化炭素、一酸化炭素、および水素を含む生成物流(g)を、分離技術によって処理するよう設計された分離装置であって、
前記分離装置は、
生成物流(g)を少なくとも部分的に気体状態で供給し、また、液体を還流させるよう設計された吸収塔(6)であって、前記吸収塔(6)の頂部より気体状の頂部流(m)を取り出し、底部より液体状の液溜め流(p)を取り出すように作られた手段と、
前記液溜め流(p)を少なくとも第1蒸留塔(5)に供給し、前記第1蒸留塔(5)から、ジメチルエーテルを含む移送流(q)と、主にメタノールおよび/または水を含む流れ(r)を取り出すよう設計された手段と、
前記頂部流(m)の少なくとも一部を、初めに第1温度レベルまで、その後、1つ以上の追加的温度レベルまで更に冷却し、前記第1温度レベルまで冷却後に第1凝縮物流(n)が生成し、前記追加的温度レベルまで更に冷却後に、1つ以上の追加的凝縮物流(s、t)が生成するよう設計された手段と、
前記第1凝縮物流(n)の一部を前記液体還流として使用し、前記追加的凝縮物流(s、t)の少なくとも一部を追加的蒸留塔(9)に供給し、前記追加的蒸留塔(9)の底部から、主にジメチルエーテルを含み、二酸化炭素の少ない、または二酸化炭素を含まない液体流(z)を取り出すよう設計された手段と、
を含むことを特徴とする分離装置。 - 請求項1から11のいずれか1項に記載の方法を行うよう設計された分離装置。
- 請求項11または12に記載の分離装置を特徴とする、合成ガス(e)からジメチルエーテル(z)を合成するよう設計された反応器(4)を用いてジメチルエーテル(z)を製造するための装置。
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EP14000041 | 2014-01-07 | ||
EP14000041.5 | 2014-01-07 | ||
PCT/EP2015/050046 WO2015104238A1 (de) | 2014-01-07 | 2015-01-05 | Verfahren zur trenntechnischen bearbeitung eines produktstroms eines dimethyletherreaktors |
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EP (1) | EP3092053B1 (ja) |
JP (1) | JP6621415B2 (ja) |
KR (1) | KR102304228B1 (ja) |
CN (1) | CN105873660B (ja) |
AU (1) | AU2015205697B2 (ja) |
BR (1) | BR112016015924B1 (ja) |
CA (1) | CA2930960C (ja) |
MX (1) | MX365025B (ja) |
MY (1) | MY189994A (ja) |
RU (1) | RU2668245C2 (ja) |
TW (2) | TWI652257B (ja) |
WO (1) | WO2015104238A1 (ja) |
ZA (1) | ZA201604051B (ja) |
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BR112016015819B1 (pt) * | 2014-01-07 | 2022-05-31 | Linde Aktiengesellschaft | Método para o processamento, por tratamento de separação, de uma mistura de gás que é formada a partir de um fluxo de produto de um reator para sintetizar éter de dimetila a partir do gás de síntese |
EP3424582A1 (de) * | 2017-07-06 | 2019-01-09 | Linde Aktiengesellschaft | Verfahren und anlage zur trenntechnischen bearbeitung eines ausgangsgemischs |
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TWI652257B (zh) | 2019-03-01 |
CN105873660B (zh) | 2019-01-11 |
TWI632951B (zh) | 2018-08-21 |
MX2016007028A (es) | 2016-10-05 |
WO2015104238A1 (de) | 2015-07-16 |
EP3092053A1 (de) | 2016-11-16 |
KR20160106066A (ko) | 2016-09-09 |
TW201531456A (zh) | 2015-08-16 |
MY189994A (en) | 2022-03-22 |
JP6621415B2 (ja) | 2019-12-18 |
BR112016015924A2 (ja) | 2017-08-08 |
CA2930960C (en) | 2022-07-12 |
TW201532657A (zh) | 2015-09-01 |
CN105873660A (zh) | 2016-08-17 |
US20160332945A1 (en) | 2016-11-17 |
RU2016127563A3 (ja) | 2018-08-09 |
US10246394B2 (en) | 2019-04-02 |
CA2930960A1 (en) | 2015-07-16 |
KR102304228B1 (ko) | 2021-09-23 |
AU2015205697B2 (en) | 2018-11-15 |
ZA201604051B (en) | 2019-11-27 |
BR112016015924B1 (pt) | 2022-04-05 |
AU2015205697A1 (en) | 2016-07-07 |
MX365025B (es) | 2019-05-20 |
EP3092053B1 (de) | 2017-10-25 |
RU2016127563A (ru) | 2018-02-09 |
RU2668245C2 (ru) | 2018-09-27 |
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