KR20220050695A - 젖산 기화 방법 및 아크릴산 제조 방법 - Google Patents
젖산 기화 방법 및 아크릴산 제조 방법 Download PDFInfo
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- KR20220050695A KR20220050695A KR1020200134656A KR20200134656A KR20220050695A KR 20220050695 A KR20220050695 A KR 20220050695A KR 1020200134656 A KR1020200134656 A KR 1020200134656A KR 20200134656 A KR20200134656 A KR 20200134656A KR 20220050695 A KR20220050695 A KR 20220050695A
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- lactic acid
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- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title claims abstract description 351
- 239000004310 lactic acid Substances 0.000 title claims abstract description 174
- 235000014655 lactic acid Nutrition 0.000 title claims abstract description 174
- 230000008016 vaporization Effects 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 32
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 title claims abstract description 19
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000009834 vaporization Methods 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000007864 aqueous solution Substances 0.000 claims description 28
- 238000005507 spraying Methods 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 5
- 239000012071 phase Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 239000007792 gaseous phase Substances 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 16
- 239000007921 spray Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000006297 dehydration reaction Methods 0.000 description 7
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000002028 Biomass Substances 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- OZZQHCBFUVFZGT-UHFFFAOYSA-N 2-(2-hydroxypropanoyloxy)propanoic acid Chemical compound CC(O)C(=O)OC(C)C(O)=O OZZQHCBFUVFZGT-UHFFFAOYSA-N 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 239000000539 dimer Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011949 solid catalyst Substances 0.000 description 2
- 229910017119 AlPO Inorganic materials 0.000 description 1
- GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000007854 depigmenting agent Substances 0.000 description 1
- 239000000385 dialysis solution Substances 0.000 description 1
- 238000006471 dimerization reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000021107 fermented food Nutrition 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- -1 that is Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C57/03—Monocarboxylic acids
- C07C57/04—Acrylic acid; Methacrylic acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/01—Saturated compounds having only one carboxyl group and containing hydroxy or O-metal groups
- C07C59/08—Lactic acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
전체 젖산계 화합물의 농도 (wt%) |
단 분자 농도 (wt%) |
2량체 농도 (wt%) |
3량체 이상 농도 (wt%) |
5 | 5.0 | 0.019 | 0.001 |
10 | 9.9 | 0.079 | 0.011 |
15 | 14.8 | 0.187 | 0.013 |
20 | 19.6 | 0.35 | 0.05 |
25 | 24.3 | 0.575 | 0.125 |
30 | 29.0 | 0.874 | 0.126 |
35 | 33.6 | 1.26 | 0.14 |
40 | 38.0 | 1.75 | 0.25 |
45 | 42.3 | 2.35 | 0.35 |
50 | 46.3 | 3.11 | 0.59 |
55 | 50.2 | 4.03 | 0.77 |
60 | 53.8 | 5.18 | 1.02 |
65 | 56.9 | 6.58 | 1.52 |
70 | 59.6 | 8.31 | 2.09 |
75 | 61.5 | 10.4 | 3.1 |
80 | 62.5 | 13.0 | 4.5 |
85 | 62.2 | 16.2 | 6.6 |
90 | 60.1 | 19.8 | 10.1 |
95 | 55.4 | 23.6 | 16 |
100 | 47.6 | 26.6 | 25.8 |
젖산 수용액 농도 (wt%) |
올리고머 비율 | 온도 (℃) |
압력 (atm) |
|
실시예 1 | 80 | 0.23 | 180 | 10 |
실시예 2 | 80 | 0.24 | 180 | 10 |
젖산 수용액 온도 (℃) |
젖산 수용액 압력 (atm) |
젖산 수용액 분무량 ( g/min) |
수증기 온도 (℃) |
수증기 분무량 | |
실시예 1 | 180 | 10 | 0.2 | 450 | 0.60 |
실시예 2 | 180 | 10 | 0.2 | 500 | 0.35 |
제3 스트림 온도 (℃) |
젖산 농도 (wt%) |
올리고머 비율 | |
실시예 1 | 180 | 19 | 0.04 |
실시예 2 | 180 | 9 | 0.03 |
Claims (10)
- 제1 농도의 젖산 수용액을 가열 및 가압하는 단계;
상기 가열 및 가압된 제1 농도의 젖산 수용액을 포함하는 액상(Liquid phase)의 제1 스트림을 분무하는 단계;
분무를 통해 상기 제1 스트림에 포함된 젖산을 기화시키는 단계; 및
젖산 분자를 포함하는 기상의 제3 스트림을 수득하는 단계를 포함하는,
젖산의 기화 방법.
- 제1항에 있어서,
상기 가열 및 가압하는 단계는, 상기 제1 농도의 젖산 수용액을 150℃ 내지 250℃ 의 온도 및 1bar 내지 40bar의 압력 조건으로 가열 및 가압하는, 젖산의 기화 방법.
- 제1항에 있어서,
상기 제1 농도는 20 내지 99 wt%인, 젖산 기화 방법.
- 제1항에 있어서,
상기 제1 스트림의 온도는 10 ℃ 내지 300 ℃인, 젖산 기화 방법.
- 제1항에 있어서,
상기 제1 스트림은, 0.1 g/min 내지 1.0 g/min의 유량으로 분무되는, 젖산 기화 방법.
- 제1항에 있어서,
상기 제1 스트림 분무 시, 상기 제1 스트림 및 수증기를 포함하는 기상(gas phase)의 제2 스트림을 혼합 분무하는,
젖산 기화 방법.
- 제6항에 있어서,
상기 제2 스트림의 온도는 200 내지 600 ℃인, 젖산 기화 방법.
- 제6항에 있어서,
상기 제2 스트림은, 0.1 g/min 내지 3.0 g/min의 유량으로 분무되는, 젖산 기화 방법.
- 제6항에 있어서,
상기 혼합 분무 단계에서 제1 스트림 유량 : 제2 스트림 유량 = 1 : 1.5 내지 1: 5인, 젖산 기화 방법.
- 제1항 내지 제9항 중 어느 한 항의 방법에 따라 젖산을 기화하여 젖산 분자를 수득하는 단계;
상기 젖산 분자를 탈수 반응시켜 아크릴산을 제조하는 단계; 및
상기 아크릴산을 수득하는 단계를 포함하는,
아크릴산 제조 방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020200134656A KR20220050695A (ko) | 2020-10-16 | 2020-10-16 | 젖산 기화 방법 및 아크릴산 제조 방법 |
CN202180063212.2A CN116323540A (zh) | 2020-10-16 | 2021-10-14 | 使乳酸汽化的方法和装置以及由乳酸制备丙烯酸的方法 |
PCT/KR2021/014268 WO2022080905A1 (ko) | 2020-10-16 | 2021-10-14 | 젖산 기화 방법, 젖산 기화 장치, 및 아크릴산 제조 방법 |
JP2023523170A JP7618792B2 (ja) | 2020-10-16 | 2021-10-14 | 乳酸気化方法、乳酸気化装置、およびアクリル酸の製造方法 |
US18/029,809 US20230382842A1 (en) | 2020-10-16 | 2021-10-14 | Method For Vaporizing Lactic Acid, Apparatus For Vaporizing Lactic Acid, And Method For Preparing Acrylic Acid From Lactic Acid |
EP21880552.1A EP4206177A4 (en) | 2020-10-16 | 2021-10-14 | METHOD FOR VAPORIZING LACTIC ACID, APPARATUS FOR VAPORIZING LACTIC ACID, AND METHOD FOR PREPARING ACRYLIC ACID |
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KR1020200134656A KR20220050695A (ko) | 2020-10-16 | 2020-10-16 | 젖산 기화 방법 및 아크릴산 제조 방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024215008A1 (ko) * | 2023-04-12 | 2024-10-17 | 주식회사 엘지화학 | 젖산 탈수 반응을 통한 아크릴산 제조 방법 및 이의 제조 장치 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024215008A1 (ko) * | 2023-04-12 | 2024-10-17 | 주식회사 엘지화학 | 젖산 탈수 반응을 통한 아크릴산 제조 방법 및 이의 제조 장치 |
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