化工进展 ›› 2022, Vol. 41 ›› Issue (4): 1704-1714.DOI: 10.16085/j.issn.1000-6613.2021-0830
收稿日期:
2021-04-19
修回日期:
2021-06-13
出版日期:
2022-04-23
发布日期:
2022-04-25
通讯作者:
李浩,胡雨奇
作者简介:
李春利(1963—),男,博士,教授,研究方向为化工传递过程与设备。E-mail:基金资助:
LI Chunli(), TIAN Xin, LI Hao(), HU Yuqi()
Received:
2021-04-19
Revised:
2021-06-13
Online:
2022-04-23
Published:
2022-04-25
Contact:
LI Hao,HU Yuqi
摘要:
在精馏系统中,高沸点、热敏性物系分离存在物料受热温度高且时间长的问题,容易引起热敏性物质变质,一直是高效分离与提纯的难点。本文对高沸点热敏性物质精馏分离理论基础进行归纳,提出操作压力低和停留时间短的工艺要求。基于此,总结了分子蒸馏和真空精馏(包括真空蒸馏、真空分馏、真空间歇精馏)在高沸点热敏性物系分离中的优缺点及应用,发现分子蒸馏的真空度和分离程度较真空精馏高,但分离效率和工业化程度比真空精馏低。最后,文章指出,对于采用精馏分离高沸点热敏性体系仍需在新工艺和新设备等方面进行探索,以提高分离效率和降低分离能耗,便于实现工业规模应用。
中图分类号:
李春利, 田昕, 李浩, 胡雨奇. 高沸点热敏体系精馏过程的研究进展[J]. 化工进展, 2022, 41(4): 1704-1714.
LI Chunli, TIAN Xin, LI Hao, HU Yuqi. Research progress on distillation process in high boiling point and thermal sensitive system[J]. Chemical Industry and Engineering Progress, 2022, 41(4): 1704-1714.
1 | HU H G, GU L L, LIU K G, et al. Separation and purification of 1,8-cineole by molecular distillation[J]. Advanced Materials Research, 2013, 634/635/636/637/638: 420-423. |
2 | ZHAO S W, ZHANG D K. Supercritical CO2 extraction of Eucalyptus leaves oil and comparison with Soxhlet extraction and hydro-distillation methods[J]. Separation and Purification Technology, 2014, 133: 443-451. |
3 | ZHU J J, AN Y W, HU G, et al. Simultaneous determination of multiple sesquiterpenes in Curcuma wenyujinherbal medicines and related products with one single reference standard[J]. Molecules, 2013, 18(2): 2110-2121. |
4 | YANG F Q, LI S P, ZHAO J, et al. Optimization of GC-MS conditions based on resolution and stability of analytes for simultaneous determination of nine sesquiterpenoids in three species of Curcuma rhizomes[J]. Journal of Pharmaceutical and Biomedical Analysis, 2007, 43(1): 73-82. |
5 | RUAN Q, JIANG H, NIAN M L, et al. Mathematical modeling and simulation of countercurrent multiple effect evaporation for fruit juice concentration[J]. Journal of Food Engineering, 2015, 146: 243-251. |
6 | WANG L, DENG W L, WANG P, et al. Degradations of aroma characteristics and changes of aroma related compounds, PPO activity, and antioxidant capacity in sugarcane juice during thermal process[J]. Journal of Food Science, 2020, 85(4): 1140-1150. |
7 | MANNOZZI C, ROMPOONPOL K, FAUSTER T, et al. Influence of pulsed electric field and ohmic heating pretreatments on enzyme and antioxidant activity of fruit and vegetable juices[J]. Foods, 2019, 8(7): 247. |
8 | RODRIGO D, LOEY A VAN, HENDRICKX M. Combined thermal and high pressure colour degradation of tomato puree and strawberry juice[J]. Journal of Food Engineering, 2007, 79(2): 553-560. |
9 | EDEN W T, ALIGHIRI D, CAHYONO E, et al. Fractionation of Java Citronella oil and citronellal purification by batch vacuum fractional distillation[J]. IOP Conference Series: Materials Science and Engineering, 2018, 349: 012067. |
10 | CHEN Q, FENG L S. Simulation study of citronellol-geraniol rectification tower based on aspen plus software[J]. MATEC Web of Conferences, 2019, 267(4): 02008. |
11 | CONDE-HERNÁNDEZ L A, ESPINOSA-VICTORIA J R, TREJO A, et al. CO2-supercritical extraction, hydrodistillation and steam distillation of essential oil of rosemary (Rosmarinus officinalis)[J]. Journal of Food Engineering, 2017, 200: 81-86. |
12 | WU Z F, XIE L Z, LI Y H, et al. A novel application of the vacuum distillation technology in extracting Origanum vulgare L. essential oils[J]. Industrial Crops and Products, 2019, 139: 111516. |
13 | OZEL M Z, KAYMAZ H. Superheated water extraction, steam distillation and Soxhlet extraction of essential oils of Origanum onites [J]. Analytical and Bioanalytical Chemistry, 2004, 379(7/8): 1127-1133. |
14 | GOLMAKANI M T, ZARE M, RAZZAGHI S. Eugenol enrichment of clove bud essential oil using different microwave-assisted distillation methods[J]. Food Science and Technology Research, 2017, 23(3): 385-394. |
15 | LEEM H H, KIM E O, SEO M J, et al. Antioxidant and anti-inflammatory activities of eugenol and its derivatives from clove (Eugenia Caryophyllata thunb.)[J]. Journal of the Korean Society of Food Science and Nutrition, 2011, 40(10): 1361-1370. |
16 | SONG H Y, JIN R H, KANG M R, et al. Progress in synthesis of ethylene glycol through C1 chemical industry routes[J]. Chinese Journal of Catalysis, 2013, 34(6): 1035-1050. |
17 | CUI X B, ZHANG X K, ZHANG Y, et al. Batch distillation in a batch stripper with a side withdrawal for purification of heat-unstable compounds[J]. Industrial & Engineering Chemistry Research, 2010, 49(14): 6521-6529. |
18 | LIANG S S, CAO Y J, LIU X Z, et al. Insight into pressure-swing distillation from azeotropic phenomenon to dynamic control[J]. Chemical Engineering Research and Design, 2017, 117: 318-335. |
19 | PEREIRO A B, ARAÚJO J M M, ESPERANÇA J M S S, et al. Ionic liquids in separations of azeotropic systems: a review[J]. The Journal of Chemical Thermodynamics, 2012, 46: 2-28. |
20 | KISS A A, OLUJIĆ Ž. A review on process intensification in internally heat-integrated distillation columns[J]. Chemical Engineering and Processing: Process Intensification, 2014, 86: 125-144. |
21 | SAXENA N, MALI N, SATPUTE S. Study of thermally coupled distillation systems for energy-efficient distillation[J]. Sādhanā, 2017, 42: 119-128. |
22 | MASCIA M, FERRARA F, VACCA A, et al. Design of heat integrated distillation systems for a light ends separation plant[J]. Applied Thermal Engineering, 2007, 27(7): 1205-1211. |
23 | KIM K J, DIWEKAR U M. New era in batch distillation: computer aided analysis, optimal design and control[J]. Reviews in Chemical Engineering, 2001, 17(2): 111-164. |
24 | ULAS S, DIWEKAR U M. Integrating product and process design with optimal control: a case study of solvent recycling[J]. Chemical Engineering Science, 2006, 61(6): 2001-2009. |
25 | BAROLO M, CENGIO P D. Closed-loop optimal operation of batch distillation columns[J]. Computers & Chemical Engineering, 2001, 25(4/5/6): 561-569. |
26 | MURLIDHAR G M, JANA A K. Nonlinear adaptive control algorithm for a multicomponent batch distillation column[J]. Chemical Engineering Science, 2007, 62(4): 1111-1124. |
27 | PENG B, LI X F, SHENG M, et al. Study of dual temperature control method on cyclic total reflux batch distillation[J]. Chemical Engineering and Processing: Process Intensification, 2007, 46(8): 769-772. |
28 | NODA M, KATO A, CHIDA T, et al. Optimal structure and on-line optimal operation of batch distillation column[J]. Computers & Chemical Engineering, 2001, 25(1): 109-117. |
29 | SONG K, MENG Q Q, SHU F, et al. Recovery of high purity sulfuric acid from the waste acid in toluene nitration process by rectification[J]. Chemosphere, 2013, 90(4): 1558-1562. |
30 | MALLAIAH M, REDDY G V. Optimization studies on a continuous catalytic reactive distillation column for methyl acetate production with response surface methodology[J]. Journal of the Taiwan Institute of Chemical Engineers, 2016, 69: 25-40. |
31 | PRADANA Y S, HIDAYAT A, PRASETYA A, et al. Biodiesel production in a reactive distillation column catalyzed by heterogeneous potassium catalyst[J]. Energy Procedia, 2017, 143: 742-747. |
32 | WANG H K, TANG M, WANG D W, et al. Flow characteristics of blade unit of a tridimensional rotational flow sieve tray under concurrent gas-liquid flow[J]. AIChE Journal, 2020, 66(9): e16454. |
33 | KIRAN NAIK B, MUTHUKUMAR P, BHATTACHARYYA C. Thermal modelling and parametric investigations on coupled heat and mass transfer processes occurred in a packed tower[J]. Heat and Mass Transfer, 2019, 55(3): 627-644. |
34 | TANG L X, JI J L, WANG X, et al. Experimental study of hydromechanics and mass transfer characteristics in cross flow packed tower[J]. The Canadian Journal of Chemical Engineering, 2011, 89(6): 1516-1520. |
35 | CEYLAN H, ÖZGEN C. Dynamic modelling and optimal control of a multicomponent batch packed distillation column[J]. IFAC Proceedings Volumes, 2008, 41(2): 4548-4553. |
36 | ZAKERI A, EINBU A, SVENDSEN H F. Experimental investigation of liquid holdup in structured packings[J]. Chemical Engineering Research and Design, 2012, 90(5): 585-590. |
37 | HIRAI M, KAMAMOTO M, YANI M, et al. Comparison of the biological H2S removal characteristics among four inorganic packing materials[J]. Journal of Bioscience and Bioengineering, 2001, 91(4): 396-402. |
38 | RAMADANI T A, TAUFANY F, NURKHAMIDAH S. Study of packed sieve tray column in ethanol purification using distillation process[J]. Malaysian Journal of Fundamental and Applied Sciences, 2019, 15(1): 69-74. |
39 | GAO H X, LIU S, LUO X, et al. Investigation of hydrodynamic performance and effective mass transfer area for Sulzer DX structured packing[J]. AIChE Journal, 2018, 64(10): 3625-3637. |
40 | OLENBERG A, RESCHETNIK W, KULLMER G, et al. Optimization of structured packings using twisted tape inserts[J]. Chemical Engineering Research and Design, 2018, 132: 1-8. |
41 | LI Q S, CHANG Q L, TIAN Y M, et al. Cold model test and industrial applications of high geometrical area packings for separation intensification[J]. Chemical Engineering and Processing: Process Intensification, 2009, 48(1): 389-395. |
42 | ZHENG J L, WEI Q. Improving the quality of fast pyrolysis bio-oil by reduced pressure distillation[J]. Biomass and Bioenergy, 2011, 35(5): 1804-1810. |
43 | ANDRÉS-IGLESIAS C, GARCÍA-SERNA J, MONTERO O, et al. Simulation and flavor compound analysis of dealcoholized beer via one-step vacuum distillation[J]. Food Research International, 2015, 76: 751-760. |
44 | IAKOVLIEVA A, BOICHENKO S, LEJDA K, et al. Vacuum distillation of rapeseed oil esters for production of jet fuel bio-additives[J]. Procedia Engineering, 2017, 187: 363-370. |
45 | HICKMAN K C D, EMBREE N D. Decomposition hazard of vacuum stills[J]. Industrial & Engineering Chemistry, 1948, 40(1): 135-138. |
46 | HICKMAN K C D. High vacuum distillation[J]. Industrial & Engineering Chemistry, 1948, 40(1): 16-18. |
47 | KING R W. Distillation of heat sensitive materials, Part 1[J]. British Chemical Engineering, 1967, 12(4): 568-572. |
48 | MAZZELLI A, LUZZI D M, BUONANNO G, et al. An optimized separation process of microalgal lipidic products by molecular distillation: techno-economic analysis[J]. Chemical Engineering Science, 2019, 207: 1187-1195. |
49 | HAN L, ZHANG S, QI B K, et al. Molecular distillation-induced deacidification of soybean oil isolated by enzyme-assisted aqueous extraction: effect of distillation parameters[J]. Applied Sciences, 2019, 9(10): 2123. |
50 | BASTISTELLA C B, MACIEL M R W, MACIEL FILHO R. Rigorous modeling and simulation of molecular distillators: development of a simulator under conditions of non ideality of the vapor phase[J]. Computers & Chemical Engineering, 2000, 24(2/3/4/5/6/7): 1309-1315. |
51 | LI H, CHU H L, LUO W B, et al. An improved method of ADHDP for optimal control in wiped film molecular distillation[C]//2019 Chinese Automation Congress (CAC). Hangzhou: IEEE, 2019: 658-663. |
52 | GUO Z G, WANG S R, GU Y L, et al. Separation characteristics of biomass pyrolysis oil in molecular distillation[J]. Separation and Purification Technology, 2010, 76(1): 52-57. |
53 | LAORETANI D S, IRIBARREN O A. Optimization of the recycle structure of multiple stages molecular distillation[J]. Chemical Engineering Research and Design, 2018, 130: 35-41. |
54 | LI H, WEN Y S, SUN W J, et al. Optimal control of molecular distillation based on dual heuristic dynamic programming[C]//2017 IEEE 2nd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC). Chongqing: IEEE, 2017: 1011-1016. |
55 | CHEN F, CAI T Y, ZHAO G H, et al. Optimizing conditions for the purification of crude octacosanol extract from rice bran wax by molecular distillation analyzed using response surface methodology[J]. Journal of Food Engineering, 2005, 70(1): 47-53. |
56 | MARTINS P F, BATISTELLA C B, MACIEL-FILHO R, et al. Comparison of two different strategies for tocopherols enrichment using a molecular distillation process[J]. Industrial & Engineering Chemistry Research, 2006, 45(2): 753-758. |
57 | YU J, YUAN X G, ZENG A W. A novel purification process for dodecanedioic acid by molecular distillation[J]. Chinese Journal of Chemical Engineering, 2015, 23(3): 499-504. |
58 | YI F P, SUN J, BAO X L, et al. Influence of molecular distillation on antioxidant and antimicrobial activities of rose essential oils[J]. LWT, 2019, 102: 310-316. |
59 | KETENOGLU O, TEKIN A. Computer simulation and experimental molecular distillation of olive pomace oil deodorizer distillate: a comparative study[J]. LWT, 2018, 96: 636-641. |
60 | MEZZA G N, BORGARELLO A V, GROSSO N R, et al. Antioxidant activity of rosemary essential oil fractions obtained by molecular distillation and their effect on oxidative stability of sunflower oil[J]. Food Chemistry, 2018, 242: 9-15. |
61 | BORGARELLO A V, MEZZA G N, PRAMPARO M C, et al. Thymol enrichment from oregano essential oil by molecular distillation[J]. Separation and Purification Technology, 2015, 153: 60-66. |
62 | YANG C, CHEN H, CHEN H L, et al. Antioxidant and anticancer activities of essential oil from Gannan navel orange peel[J]. Molecules, 2017, 22(8): 1391. |
63 | DENG W H, LIU K, CAO S, et al. Chemical composition, antimicrobial, antioxidant, and antiproliferative properties of grapefruit essential oil prepared by molecular distillation[J]. Molecules, 2020, 25(1): 217. |
64 | LI H L, GE Y H, LUO Z M, et al. Evaluation of the chemical composition, antioxidant and anti-inflammatory activities of distillate and residue fractions of sweet basil essential oil[J]. Journal of Food Science and Technology, 2017, 54(7): 1882-1890. |
65 | DANTAS T N C, CABRAL T J O, DANTAS NETO A A, et al. Enrichmnent of patchoulol extracted from patchouli (Pogostemon cablin) oil by molecular distillation using response surface and artificial neural network models[J]. Journal of Industrial and Engineering Chemistry, 2020, 81: 219-227. |
66 | ZHANG C W, LI M F, QI Z W, et al. The construction of a green and efficient system for the separation of polyprenols from Ginkgo biloba leaves[J]. Process Biochemistry, 2021, 100: 252-259. |
67 | JIN J, XIE D, CHEN H Q, et al. Production of rice bran oil with light color and high oryzanol content by multi-stage molecular distillation[J]. Journal of the American Oil Chemists’ Society, 2016, 93(1): 145-153. |
68 | ZHOU D, SHI Q L, PAN J B, et al. Effectively improve the quality of camellia oil by the combination of supercritical fluid extraction and molecular distillation (SFE-MD)[J]. LWT, 2019, 110: 175-181. |
69 | LYU G P, HU D J, ZHOU Y Q, et al. Preparation and application of standardized typical volatile components fraction from turmeric (Curcuma longa L.) by supercritical fluid extraction and step molecular distillation[J]. Molecules, 2018, 23(7): 1831. |
70 | ZHOU W, HE Y X, LEI X L, et al. Chemical composition and evaluation of antioxidant activities, antimicrobial, and anti-melanogenesis effect of the essential oils extracted from Dalbergia pinnata (Lour.) Prain[J]. Journal of Ethnopharmacology, 2020, 254: 112731. |
71 | CHENG X Y, HUANG Y Q, YANG Z Z, et al. Enrichment of palmitoleic acid by a combination of two-step solvent crystallization and molecular distillation[J]. Journal of Oleo Science, 2021, 70(5): 599-606. |
72 | ZHOU X, WANG J, SUN L F, et al. An efficient, green, and easy-to-scale-up strategy for target-oriented isolating cadinene sesquiterpenoids from Eupatorium adenophorum Spreng[J]. Journal of Separation Science, 2020, 43(13): 2646-2656. |
73 | NAM H, CHOI J, CAPAREDA S C. Comparative study of vacuum and fractional distillation using pyrolytic microalgae (Nannochloropsis oculata) bio-oil[J]. Algal Research, 2016, 17: 87-96. |
74 | SILVESTRE W P, MEDEIROS F R, AGOSTINI F, et al. Fractionation of rosemary (Rosmarinus officinalis L.) essential oil using vacuum fractional distillation[J]. Journal of Food Science and Technology, 2019, 56(12): 5422-5434. |
75 | LIU K G, GU L L, HU H G, et al. Application of additives in 1,8-cineole purification[J]. Advanced Materials Research, 2013, 634/635/636/637/638: 382-385. |
76 | SNELDERS J, DORNEZ E, BENJELLOUN-MLAYAH B, et al. Biorefining of wheat straw using an acetic and formic acid based organosolv fractionation process[J]. Bioresource Technology, 2014, 156: 275-282. |
77 | TAGHIPOUR A, RAMIREZ J A, BROWN R J, et al. A review of fractional distillation to improve hydrothermal liquefaction biocrude characteristics; future outlook and prospects[J]. Renewable and Sustainable Energy Reviews, 2019, 115: 109355. |
78 | FAZLOLLAHI F, WANKAT P C. Novel solvent exchange distillation column[J]. Chemical Engineering Science, 2018, 184: 216-228. |
79 | NARVÁEZ-GARCÍA A, ZAVALA-LORÍA J C, RUIZ-MARÍN A, et al. Short-cut methods for multicomponent batch distillation[M]//Distillation-Innovative Applications and Modeling. InTech, 2017: 31-32. |
80 | LI X, ZHAO T R, WANG Y, et al. Operational design and improvement of conventional batch distillation and middle-vessel batch distillation[J]. Brazilian Journal of Chemical Engineering, 2018, 35(2): 769-784. |
81 | NARAYANA M S, ARTHANAREESWARAN G, SANKAR RAO C. Dynamic performance comparison of two configurations of middle vessel batch distillation column for the separation of ethanol/propanol/butanol mixture[J]. Asia-Pacific Journal of Chemical Engineering, 2020, 15(5): e2421. |
82 | DENG G, CRAFT J, STEINBERG K, et al. Influence of different isolation methods on chemical composition and bioactivities of the fruit peel oil of Citrus medica L. var. sarcodactylis (noot.) swingle[J]. Medicines, 2017, 4(1): 1. |
83 | ROSTRO-ALANIS M D J, BÁEZ-GONZÁLEZ J, TORRES-ALVAREZ C, et al. Chemical composition and biological activities of oregano essential oil and its fractions obtained by vacuum distillation[J]. Molecules, 2019, 24(10): 1904. |
84 | NURJANAH S, RIALITA T, LEMBONG E, et al. Isolation of guaiene from patchouli (Pogostemon cablin Benth.) oil using vacuum fractionation distillation[J]. IOP Conference Series: Earth and Environmental Science, 2020, 443: 012094. |
85 | ALIGHIRI D, EDEN W T, CAHYONO E, et al. Quality improvement by batch vacuum distillation and physicochemical characterization of clove leaf oil in Central Java, Indonesia[J]. Journal of Physics: Conference Series, 2018, 983: 012163. |
86 | EDEN W T, ALIGHIRI D, CAHYONO E, et al. Fractionation of Java citronella oil and citronellal purification by batch vacuum fractional distillation[J]. IOP Conference Series: Materials Science and Engineering, 2018, 349: 012067. |
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