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Journal articles on the topic 'Bath distillation'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Hawaidi, Ebrahim Ali Mohamed, Mustafa T. Yagub, and Riyad Ageli Saleh. "ACETONE RECOVERY USING BATCH DISTILLATION." Scientific Journal of Applied Sciences of Sabratha University 2, no. 2 (September 27, 2019): 82–98. http://dx.doi.org/10.47891/sabujas.v2i2.82-98.

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This study focuses on determining the feasibility of obtaining maximum mole percentage of acetone (99 mole%) in the distillate stream from a 3 mole% acetone waste stream using batch distillation. The device which is used in this work has eight trays that will act as the stages of the batch distillation. The effects of varying reflux ratio and heat load (power) on acetone concentration were studied. Moreover, the operating conditions for the bath distillation column such as flooding and weeping with the extreme limits of operation were considered. The temperatures were also be recorded at each tray. The McCabe-Thiele method was used to determine the theoretical number of trays and compared with actual trays (column efficiency). For a chemical analysis of acetone/water compositions a refractometer was used for a chemical analysis, known acetone/water concentrations were analysed and used to construct a calibration curve. The results obtained showed that, the acetone concentration increases with increasing reflux ratio until a highest concentration was reached. Then, the concentration gradually decreases with increasing reflux ratio. However, the distillate stream with 99 mole % acetone was achieved at a reflux ratio of R=3 and at both powers 0.5 kw and 0.7 kw. Finally, the highest overall column efficiency reached by this work was about 75%.

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2

Tao, Liu, Feng Tao, and Chen Wanchao. "Identification of volatile flavour components of Tuber melanosporum using simultaneous distillation-extraction." Czech Journal of Food Sciences 35, No. 6 (December 20, 2017): 483–87. http://dx.doi.org/10.17221/31/2017-cjfs.

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Black truffles are famous for their unique flavours. Headspace solid-phase microextraction and the electronic nose have been used to analyse their flavours in some investigations. In a previous work, the volatile flavour compounds in black truffles harvested in China were extracted using simultaneous distillation-extraction (SDE) and analysed using gas chromatography-mass spectrometry (GC-MS). Extraction conditions were optimised in that previous study and are now applied in the present work. The temperature of the solvent flask was maintained at 70°C using a water bath and the samples were placed in boiling water; extraction time was 3 hours. Fifty-seven volatile flavour compounds were tentatively identified, including seven alcohols, two acids, six esters, 12 aldehydes, 14 ketones, two phenols, six pyrazines, six sulphur compounds and three other components. Aldehydes and ketones were present at the highest levels.

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3

Tan, Hoi-Fang, Why-Ling Tan, N. Hamzah, M. H. K. Ng, B. S. Ooi, and C. P. Leo. "Membrane distillation crystallization using PVDF membrane incorporated with TiO2 nanoparticles and nanocellulose." Water Supply 20, no. 5 (April 22, 2020): 1629–42. http://dx.doi.org/10.2166/ws.2020.068.

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Abstract Polyvinylidene fluoride (PVDF) membrane was improved using TiO2 nanoparticles and nanocellulose for membrane distillation crystallization in this work. Besides the addition of TiO2 nanoparticles and nanocellulose, PVDF membrane was post-modified with octadecyltrichlorosilane after phase inversion using a dual coagulation bath. The addition of hydrophilic TiO2 nanoparticles and nanocellulose reduced membrane hydrophobicity, but the dispersed TiO2 nanoparticles assisted silane modification to improve surface hydrophobicity. Besides reducing the agglomeration of TiO2 nanoparticles, nanocellulose induced the formation of larger pore size and higher porosity as proven in SEM images and gravimetric measurement, respectively. The abundant moieties of nanocellulose accelerated the exchange between solvent and non-solvent during phase inversion for the formation of large pore size and porosity, but membrane thickness increased due to the thickening effects. The modified membrane showed higher water permeate flux in membrane distillation with salt rejection greater than 97%. Severe fouling in membrane distillation crystallization was not observed.

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4

Dayanandan, Nanditha, Kavin Kalyaan Marappan Palanisamy, Ashish Kapoor, and Prabhakar Sivaraman. "Influence of N-Butanol Composition on Membrane Performance in Coagulation Bath for Membrane Distillation." Journal of Physics: Conference Series 2007, no. 1 (August 1, 2021): 012043. http://dx.doi.org/10.1088/1742-6596/2007/1/012043.

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5

Frishman, Einat, Moshe Shapiro, and Paul Brumer. "Optical purification of racemic mixtures by laser distillation in the presence of a dissipative bath." Journal of Physics B: Atomic, Molecular and Optical Physics 37, no. 13 (June 29, 2004): 2811–21. http://dx.doi.org/10.1088/0953-4075/37/13/015.

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6

Hu, Cuicui, Zhensheng Yang, Qichao Sun, Zhihua Ni, Guofei Yan, and Zhiying Wang. "Facile Preparation of a Superhydrophobic iPP Microporous Membrane with Micron-Submicron Hierarchical Structures for Membrane Distillation." Polymers 12, no. 4 (April 20, 2020): 962. http://dx.doi.org/10.3390/polym12040962.

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A facile method combining micro-molding with thermally-induced phase separation (TIPS) to prepare superhydrophobic isotacticpolypropylene (iPP) microporous membranes with micron-submicron hierarchical structures is proposed in this paper. In this study, the hydrophobicity of the membrane was controlled by changing the size of micro-structures on the micro-structured mold and the temperature of the cooling bath. The best superhydrophobicity was achieved with a high water contact angle (WCA) of 161° and roll-off angle of 2°, which was similar to the lotus effect. The permeability of the membrane was greatly improved and the mechanical properties were maintained. The membrane prepared by the new method and subjected to 60h vacuum membrane distillation (VMD) was compared with a conventional iPP membrane prepared via the TIPS process. The flux of the former membrane was 31.2 kg/m2·h, and salt rejection was always higher than 99.95%, which was obviously higher than that of the latter membrane. The deposition of surface fouling on the former membrane was less and loose, and that of the latter membrane was greater and steady, which was attributed to the micron-submicron hierarchical structure of the former and the single submicron-structure of the latter. Additionally, the new method is expected to become a feasible and economical method for producing an ideal membrane for membrane distillation (MD) on a large scale.

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7

Yang, Cheng-Dau, Hsu-Hsien Chang, and Liao-Ping Cheng. "Preparation of particulate polyvinylidene fluoride membranes of different particle sizes for membrane distillation applications." Journal of Polymer Engineering 39, no. 3 (February 25, 2019): 254–63. http://dx.doi.org/10.1515/polyeng-2018-0181.

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Abstract Microporous polyvinylidene fluoride (PVDF) membranes were prepared by immersion precipitation of dimethylformamide/PVDF solutions, dissolved at 50°C, 60°C, 70°C, and 80°C in a nonsolvent bath. The formed membranes (M50, M60, M70, and M80) exhibited symmetric structures consisting of spherical particles whose size increased from ~1 μm for M50 to ~3 μm for M80. The desalination capabilities of the membranes were assessed via the direct contact membrane distillation process. For the case of desalting 3.5% NaCl(aq), very high rejection ratios (>99.7%) were achieved for all tested membranes under the operation conditions: Thot stream=52°C, Tcold stream=18°C, circulation rate=0.7 l/min, while the highest permeation flux obtainable was 16.3 l/m2h (LMH). When the feed temperature or circulation rate was raised, the permeation flux increased correspondingly. On the other hand, raising the salt concentration resulted in a strong decrease of the permeation flux. For the membrane M60 operated over the period of 48 h, the flux decreased slightly from 11.6 to 10.5 LMH, while the conductivity increased from 1.5 to 27 μs/cm indicating the occurrence of slight surface wetting during this extended operation period.

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8

Emamirad, Mohammad Hossein, and Sirus Javadpour. "Effect of hydrophilic silica and dual coagulation bath on structural and mechanical properties of PVDF membrane for membrane distillation." Journal of Environmental Health Science and Engineering 18, no. 2 (September 6, 2020): 495–504. http://dx.doi.org/10.1007/s40201-020-00477-w.

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9

Zgherea, Gheorghe. "The Mixtures of 2.4-Dinitrophenylhidrazones of Inferior Carbonyl Compounds and their HPLC Separation with Gradient Binary Mixtures Phases." Chemistry Journal of Moldova 3, no. 1 (June 2008): 52–55. http://dx.doi.org/10.19261/cjm.2008.03(1).02.

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Mixtures of small quantities of carbonyl compounds are presents in foods, concerning sensorial qualities. The inferior carbonyl compounds (C2-C4, boiling point <100°C) – mono and dicarbonyl – can be identified and measured their concentrations, after a separation by distillation on the water bath. They are transferred in a strongly acid solution of 2.4-dinitrophenylhidrazine (2.4-DNPH), generating a mixture of insoluble 2.4-dinitrophenylhidrazones (2.4-DNPH-ones). The 2.4-DNPH-ones are organic compounds with weak polarity, solids, crystallized, yellows and water insoluble, soluble in organic solvents. The mixture of 2.4dinitrophenylhidrazones may be separated by liquid chromatography, using the reverse phase mechanism [1-3]. This paper contains experimental and theoretical considerations to the means of separation through liquid chromatography of two synthetically and a natural mixtures that contain 2.4-DNPH-ones provided by inferior carbonyl compounds; to obtain conclude results, in the synthetically mixtures was introduce and 2.4-DNPH-ones provided by carbonyl compounds having three (acetone and propanal) and four (isobutyl aldehyde) atoms of carbon.

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10

Yadav, Meenakshi, Sushant Upadhyaya, Kailash Singh, and Manish Vashishtha. "Morphological Study of Fabricated PVDF Based Hydrophobic Membrane for Different Additives and Coagulation Bath Temperature." Asian Journal of Water, Environment and Pollution 18, no. 3 (July 29, 2021): 39–47. http://dx.doi.org/10.3233/ajw210027.

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The demand of membrane distillation (MD) has increased since last few decades for numerous applications. The membrane used in MD is hydrophobic; therefore, the focus has been emphasised on the development of a suitable membrane with desired microstructure. In this study, the flat sheet hydrophobic membrane of suitable properties has been casted with various additives such as water, ethane-di-ol, and propan-2-ol in dope solution using a non-solvent induced phase separation (NIPS) technique. The effect of water content in dope solution has been studied on casted membrane porosity and contact angle. The maximum contact angle and porosity were found to be 96° and 53.23% at 4 weight percent of water content in dope solution of PVDF polymer and di.methyl.acetamide as solvent. It was found that SEM micrograph when ethane-di-ol and propan-2-ol are used as an additive shows more finger-like pores and nodules, respectively, in the microstructure of the casted membrane. Furthermore, synergistic effects using water with other additives were also identified using SEM micrograph of casted membrane and it was observed that water with ethane-di-ol and propan-2-ol form contact angle of 98° and 105°, respectively, for 2 weight percent each additive in dope. In this study, the membrane was also cast by dissolving PVDF powder in di.methyl.acetamide solvent with lithium chloride and the effect of the temperature difference between coagulation bath and film temperature was investigated using an SEM micrograph. Overall, it was found that water content and temperature difference aid in developing hydrophobic porous membrane of desired properties for MD applications.

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11

Thomas, Rinku, Elena Guillen-Burrieza, and Hassan A. Arafat. "Pore structure control of PVDF membranes using a 2-stage coagulation bath phase inversion process for application in membrane distillation (MD)." Journal of Membrane Science 452 (February 2014): 470–80. http://dx.doi.org/10.1016/j.memsci.2013.11.036.

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12

Nady, Norhan, Noha Salem, and Sherif H. Kandil. "Preparation and Characterization of a Novel Poly(vinylidene fluoride-co-hexafluoropropylene)/Poly(ethersulfone) Blend Membrane Fabricated Using an Innovative Method of Mixing Electrospinning and Phase Inversion." Polymers 13, no. 5 (March 4, 2021): 790. http://dx.doi.org/10.3390/polym13050790.

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In this work, a novel polymeric membrane was innovated in terms of composition and preparation techniques. A blend of poly(vinylidene fluoride-co-hexafluoropropylene) (PcH) and poly(ethersulfone) (PES) (18 wt.% total polymer concentration) was prepared using a N-methylpyrrolidone (NMP) and N, N-Dimethylformamide (DMF) solvents mixture, while Lithium chloride (0.05–0.5 wt.%) was used as an additive. The electrospinning and phase inversion techniques were used together to obtain a novel membrane structure. The prepared membranes were characterized using scanning electron microscope imaging, energy dispersive X-Ray, differential scanning calorimeter, thermogravimetric analysis, and Fourier transfer infrared spectroscopy-attenuated total reflectance analyses. Moreover, the static water contact angle, membrane thickness, porosity, surface roughness as well as water vapor permeability were determined. ImageJ software was used to estimate the average fiber diameter. Additionally, the effect of the change of PcH concentration and coagulation bath temperature on the properties of the fabricated membrane was studied. The novel developed membrane has shown a good efficiency in terms of properties and features, as a membrane suitable for membrane distillation (MD); a high porosity (84.4% ± 0.6), hydrophobic surface (136.39° ± 3.1 static water contact angle), and a water vapor permeability of around 4.37 × 10−5 g·m/m2·day·Pa were obtained. The prepared membrane can be compared to the MD membranes commercially available in terms of properties and economic value.

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13

CLAUS, MICHAEL J., and KRIS A. BERGLUND. "DEFINING STILL PARAMETERS USING CHEMCAD BATCH DISTILLATION MODEL FOR MODELING FRUIT SPIRITS DISTILLATIONS." Journal of Food Process Engineering 32, no. 6 (December 2009): 881–92. http://dx.doi.org/10.1111/j.1745-4530.2008.00251.x.

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14

Torres, Karina Andrea, and José Espinosa. "Incorporating Pinch Distillation Boundaries into the Conceptual Modeling of Batch Distillations: Ternary Mixtures." Industrial & Engineering Chemistry Research 51, no. 47 (November 16, 2012): 15448–55. http://dx.doi.org/10.1021/ie301933z.

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15

Kalakuntala, Raju, R. Navya, T. Sisira, V. V. Basava Rao, and Srinath Surnani. "Experimental studies on reactive distillation of propionic acid using n-butanol as entrained." International Journal of Engineering & Technology 7, no. 3.29 (August 24, 2018): 46. http://dx.doi.org/10.14419/ijet.v7i3.29.18459.

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Reactive distillation is a cost effective chemical engineering process intensification method which involves the reaction and separation simultaneously in a single unit. In the present work the system selected was Propionic acid and n-butanol which undergoes esterification reaction to form butyl propionate. Propionic acid is an important raw material from a biodegradable polymer. The experiments were done in both conventional batch distillation and reactive distillation. In conventional batch distillation no catalyst were used were as in reactive distillation amberlite catalyst used with various weight percentage. several experiments performed by varying the initial concentration(i.e. 0.1,0.2,0.4,0.6,0.8,0.99) of Propionic acid, mole ratios of Propionic acid & n-butanol(that is 1:1 ,1:1.5 ,1:2 And amberlite catalyst weight percent (i.e. 1,2 and 3).the conventional batch distillation and reactive distillation were compared. it is found that maximum conversion obtained in conventional distillation process is 81% and in reactive distillation is 95.1% at the optimum conditions are at initial concentration 0.6 ,mole ratio 1:2 And amberlite catalyst weight percentage 3 .And the recovery of water is more in reactive distillation as compared with the conventional batch distillation .So reactive distillation process is better than conventional distillation.

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16

Lelkes, Z., P. Lang, P. Moszkowicz, B. Benadda, and M. Otterbein. "Batch extractive distillation." Chemical Engineering Science 53, no. 7 (March 1998): 1331–48. http://dx.doi.org/10.1016/s0009-2509(97)00420-x.

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17

Skogestad, Sigurd, Bernd Wittgens, Rajab Litto, and Eva Sørensen. "Multivessel batch distillation." AIChE Journal 43, no. 4 (April 1997): 971–78. http://dx.doi.org/10.1002/aic.690430412.

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18

Al-Tuwaim, Mohammad S., and William L. Luyben. "Multicomponent batch distillation. 3. Shortcut design of batch distillation columns." Industrial & Engineering Chemistry Research 30, no. 3 (March 1991): 507–16. http://dx.doi.org/10.1021/ie00051a011.

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19

Länzlinger, M., and A. Zilian. "Qualitative Analysis for Automated Process Control." Journal of Near Infrared Spectroscopy 6, A (January 1998): A131—A132. http://dx.doi.org/10.1255/jnirs.180.

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Many industrial processes use in-process analytics to achieve reproducibly high product quality. During a batch distillation, for example, the quality of the product goes through an optimum and the main fraction can be collected when the concentration of all by-products drops below a critical value. The NIR spectra we obtain from such distillations show a systematic change with product quality. A quantitative model would require tens of samples for each by-product. We find that changes of concentrations of many by-products are highly correlated and there is only little variability in the data. This is not enough to extract the linearly independent contributions of each by-product. Therefore a qualitative analysis is made.

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20

Mehta, Shubham, Harish Ramani, Nileshkumar N. Yelgatte, and Imran Rahman. "Recursive Orthogonal Least Square Based Soft Sensor for Batch Distillation." Chemical Product and Process Modeling 11, no. 3 (September 1, 2016): 241–63. http://dx.doi.org/10.1515/cppm-2015-0071.

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Abstract A multiple-input and multiple-output (MIMO) model, namely Recursive Orthogonal Least Square (ROLS) based radial basis function (RBF) is developed to estimate product compositions in a batch distillation process from temperature measurements. The process data is generated by simulating the differential equations of the batch distillation process, changing the initial feed composition and boiluprate from batch to batch. Moreover, the reflux ratio is also randomly varied within each batch to represent the exact dynamics of the batch distillation. Temperature and distillate composition is correlated by the RBF trained by ROLS algorithm. A Single RBF network estimate the quality of products in real-time. The results show that ROLS based estimator give correct composition estimations for a batch distillation process. The robustness of the ROLS algorithm and low computational requirement makes the estimator attractive for on-line use.

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21

Li, Xin, Tingran Zhao, Yong Wang, Yinglong Wang, and Zhaoyou Zhu. "OPERATIONAL DESIGN AND IMPROVEMENT OF CONVENTIONAL BATCH DISTILLATION AND MIDDLE-VESSEL BATCH DISTILLATION." Brazilian Journal of Chemical Engineering 35, no. 2 (June 2018): 769–84. http://dx.doi.org/10.1590/0104-6632.20180352s20160522.

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22

Van Dongen, David B., and Michael F. Doherty. "On the dynamics of distillation processes—VI. batch distillation." Chemical Engineering Science 40, no. 11 (1985): 2087–93. http://dx.doi.org/10.1016/0009-2509(85)87026-3.

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23

Jara Morante, Eliana, Emerson Collado Dominguez, Mario De la Cruz Azabache, and Magali Vivas Cuellar. "SIMULACIÓN DINÁMICA DE UNA COLUMNA DE DESTILACIÓN DE BIOETANOL EN RÉGIMEN BATCH." Revista Cientifica TECNIA 21, no. 1 (April 7, 2017): 39. http://dx.doi.org/10.21754/tecnia.v21i1.95.

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La destilación batch es un proceso bastante empleado en numerosos procesos industriales a mediana y pequeña escala, por lo tanto de gran importancia comercial. En el contexto de la simulación de procesos, presenta retos ya que el sistema presenta mucha complejidad, especialmente en la etapa de startup donde existe variación de muchas variables simultáneamente. El presente trabajo simula el proceso de destilación de la planta piloto que se encuentra instalada en el Laboratorio de Operaciones Unitarias de la FIQT de la UNI. Para ello se hace uso del software simulación comercial ASPEN Batch Distillation V7.1. Los resultados nos sirven para establecer un protocolo de operación que nos permite obtener una alta pureza de bioetanol y mejorar el proceso. Palabras clave.- Destilación batch, Bioetanol, Simulación. ABSTRACTBatch distillation is a process used in many industrial processes, from small to big scale, therefore it has a great commercial interest. In the process simulation context it presents challenges due to the system complexity, especially in the startup stage because there are many variables changing simultaneously. This work simulates the distillation process of a bench plant installed in the Unit Operations Laboratory of the FIQT of the UNI. Commercial simulation software ASPEN Batch Distillation V7.1 is used. The results are useful to establish a protocol of operation that allows us to obtain high bioethanol purity and the improvement of the process. Keywords.- Batch distillation, Bioethanol, Simulation.

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24

Lukács, T., C. Stéger, E. Rév, M. Meyer, and Z. Lelkes. "Feasibility of Batch Reactive Distillation with Equilibrium-Limited Consecutive Reactions in Rectifier, Stripper, or Middle-Vessel Column." International Journal of Chemical Engineering 2011 (2011): 1–16. http://dx.doi.org/10.1155/2011/231828.

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A general overall feasibility methodology of batch reactive distillation of multireaction systems is developed to study all the possible configurations of batch reactive distillation. The general model equations are derived for multireaction system with any number of chemical equilibrium-limited reactions and for any number of components. The present methodology is demonstrated with the detailed study of the transesterification of dimethyl carbonate in two reversible cascade reactions in batch reactive distillation process. Pure methanol is produced as distillate, and pure diethyl carbonate is produced at the bottom simultaneously in middle-vessel column; in each section, continuous feeding of ethanol is necessary. The results of feasibility study are successfully validated by rigorous simulations.

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25

Diwekar, Urmila M., and K. P. Madhavan. "Multicomponent batch distillation column design." Industrial & Engineering Chemistry Research 30, no. 4 (April 1991): 713–21. http://dx.doi.org/10.1021/ie00052a014.

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26

Gonzalez-Velasco, Juan R., Miguel A. Gutierrez-Ortiz, Jose M. Castresana-Pelayo, and Jose A. Gonzalez-Marcos. "Improvements in batch distillation startup." Industrial & Engineering Chemistry Research 26, no. 4 (April 1987): 745–50. http://dx.doi.org/10.1021/ie00064a020.

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27

Ivanov, I. V., V. A. Lotkhov, and N. N. Kulov. "Modeling of batch extractive distillation." Theoretical Foundations of Chemical Engineering 51, no. 3 (May 2017): 253–61. http://dx.doi.org/10.1134/s004057951703006x.

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28

Meski, George A., Myungwan Han, Nikolaos Bekiaris, and Manfred Morari. "Optimality for Batch Distillation Configurations." IFAC Proceedings Volumes 31, no. 11 (June 1998): 385–90. http://dx.doi.org/10.1016/s1474-6670(17)44957-3.

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29

Groschang, T., M. Warter, R. Düssel, and J. Stichlmair. "Synthesis of Batch Distillation Processes." Chemie Ingenieur Technik 73, no. 6 (June 2001): 625. http://dx.doi.org/10.1002/1522-2640(200106)73:6<625::aid-cite6252222>3.0.co;2-o.

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30

Ahmad, Berit S., and Paul I. Barton. "Homogeneous multicomponent azeotropic batch distillation." AIChE Journal 42, no. 12 (December 1996): 3419–33. http://dx.doi.org/10.1002/aic.690421212.

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31

Irvan, Bambang Trisakti, Luri Adriani, and Reviana Revitasari. "RANCANGAN ALAT PEMBUATAN BIOETANOL DARI BAHAN BAKU KULIT DURIAN." Jurnal Teknik Kimia USU 4, no. 1 (March 31, 2015): 53–59. http://dx.doi.org/10.32734/jtk.v4i1.1461.

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In this research, the bioethanol production unit using durian peel as raw material was designed with capacity process of 100 liters per cycle in batch process. The main equipments were designed fermenter and distillation unit. Fermenter tank was designed with 43 cm of diameter and 86 cm of height which was equipped with two manual paddle impeller of 30 cm in diameter. The other of main equipments, distillation tank was made of stainless steel with 48 cm of diameter and 54 cm of height, which was equipped with heater to heat the liquid of fermentation process and cooling tank to cool vaporised bioethanol. The time required for one cycle of fermentation with batch process was 7 days and 7 hours. While the time required for one cycle of bioethanol production with batch process was 8 days and 4 hours. The feasibility of bioethanol production unit in which consists of fermenter tank and distillation tank under condition process of 7 days and yeast concentration of 6% and distillation temperature of 80oC was tested. The results obtained were 8,98% of bioethanol concentration during fermentation and 74,96% of bioethanol concentration during distillation.

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32

Agudelo, Yeison, and Rolando Barrera Zapata. "Simulation and model-validation of batch distillation processes in Aspen Batch Modeler: Limonene epoxide distillation." Ingeniería y Desarrollo 34, no. 1 (January 15, 2016): 204–24. http://dx.doi.org/10.14482/inde.34.1.7954.

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33

Padilla-de la Rosa, José Daniel, Magaly Dyanira Manzano-Alfaro, Jaime Rosalío Gómez-Huerta, Enrique Arriola-Guevara, Guadalupe Guatemala-Morales, Anaberta Cardador-Martínez, and Mirna Estarrón-Espinosa. "Innovation in a Continuous System of Distillation by Steam to Obtain Essential Oil from Persian Lime Juice (Citrus latifolia Tanaka)." Molecules 26, no. 14 (July 9, 2021): 4172. http://dx.doi.org/10.3390/molecules26144172.

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The citrus industry is one of the most important economic areas within the global agricultural sector. Persian lime is commonly used to produce lime juice and essential oil, which are usually obtained by batch distillation. The aim of this work was to validate a patented continuous steam distillation process and to both physically and chemically characterize the volatile fractions of essential Persian lime oil. Prior to distillation, lime juice was obtained by pressing the lime fruit. Afterwards, the juice was subjected to a continuous steam distillation process by varying the ratio of distillate flow to feed flow (0.2, 0.4, and 0.6). The distillate oil fractions were characterized by measuring their density, optical rotation, and refractive index. Gas chromatography GC-FID was used to analyze the chemical compositions of the oil fractions. The process of continuous steam distillation presented high oil recovery efficiencies (up to 90%) and lower steam consumption compared to traditional batch process distillation since steam consumption ranged from 32 to 60% for different steam levels. Moreover, a reduction in process time was observed (from 8 to 4 h). The oil fractions obtained via continuous steam distillation differed significantly in their composition from the parent compounds and the fractions.

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34

Susmiati, Yuana, Bambang Purwantana, Nursigit Bintoro, and Sri Rahayoe. "Kinerja Internal Reboiler Tipe Vertical Tubular Baffle pada Proses Distilasi Etanol secara Batch." Jurnal Rekayasa Proses 15, no. 1 (June 30, 2021): 59. http://dx.doi.org/10.22146/jrekpros.65483.

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The performance of ethanol distillation is determined by the type of reboiler used in the distillation column. This study aims to determine the effect of differences in diameter and height of internal reboiler tubes, as well as feed content on ethanol distillate concentration and distillation yield. The research was conducted on a batch ethanol distillation process using a rectified distillation device with an internal vertical tubular baffle reboiler using different diameters and tube height, namely 1.5, 1, and 0.5 inches of diameter, and 8, 6, and 4 cm of tube heights. Materials or feeds in this study were ethanol solutions with levels of 10%, 20%, and 30% v/v. The results showed that the highest ethanol distillate content of 97.17% v/v (average) was achieved in the distillation process using an internal reboiler with a diameter of 0.5”, a tube height of 8 cm, and a feed content of 10%. Geometry affected the heat transfer process in the internal reboiler of a distillation device so that it affected the distillation results.Keywords: distillation; ethanol; internal reboiler: performanceA B S T R A KKinerja alat distilasi etanol ditentukan oleh jenis reboiler yang digunakan pada kolom distilasi. Penelitian ini bertujuan untuk menentukan pengaruh perbedaan diameter dan tinggi tabung internal reboiler, serta kadar umpan terhadap kadar etanol distilat dan rendemen distilasi. Penelitian dilakukan pada proses distilasi etanol secara batch menggunakan alat distilasi rektifikasi dengan internal reboiler jenis Vertical Tubular Baffle yang berbeda ukuran diameter dan tinggi tabungnya, yaitu diameter 1,5, 1 dan 0,5 inci, serta tinggi tabung 8, 6 dan 4 cm. Bahan atau umpan pada penelitian ini adalah larutan etanol berkadar 10%, 20% dan 30% v/v. Hasil penelitian didapatkan kadar etanol distilat yang paling tinggi dengan kadar rata-rata 97,17% v/v dicapai pada proses distilasi dengan internal reboiler berukuran diameter 0,5 inci, dan tinggi tabung 8 cm dan kadar umpan 10%. Geometri berpengaruh pada proses perpindahan panas di dalam internal reboiler suatu alat distilasi sehingga berpengaruh terhadap hasil distilasi.Kata kunci: distilasi; etanol; internal reboiler; kinerja

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Jain, Santosh, Jin-Kuk Kim, and Robin Smith. "Process Synthesis of Batch Distillation Systems." Industrial & Engineering Chemistry Research 52, no. 24 (June 10, 2013): 8272–88. http://dx.doi.org/10.1021/ie400003p.

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Noda, Masaru, Akifumi Kato, Shinji Hasebe, and Iori Hashimoto. "Optimal structure of batch distillation column." Computers & Chemical Engineering 23 (June 1999): S105—S108. http://dx.doi.org/10.1016/s0098-1354(99)80027-1.

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Sundaram, Suresh, and Lawrence B. Evans. "Synthesis of separations by batch distillation." Industrial & Engineering Chemistry Research 32, no. 3 (March 1993): 500–510. http://dx.doi.org/10.1021/ie00015a013.

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Barreto, Alien Arias, Ivonne Rodriguez-Donis, Vincent Gerbaud, and Xavier Joulia. "Optimization of Heterogeneous Batch Extractive Distillation." Industrial & Engineering Chemistry Research 50, no. 9 (May 4, 2011): 5204–17. http://dx.doi.org/10.1021/ie101965f.

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Diwekar, Urmilla, K. P. Madhavan, and R. E. Swaney. "Optimization of multicomponent batch distillation columns." Industrial & Engineering Chemistry Research 28, no. 7 (July 1989): 1011–17. http://dx.doi.org/10.1021/ie00091a019.

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GIESSLER, SABINE, SHINJI HASEBE, and IORI HASHIMOTO. "Optimization Aspects for Reactive Batch Distillation." JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 34, no. 3 (2001): 312–18. http://dx.doi.org/10.1252/jcej.34.312.

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Gadewar, Sagar B., Michael F. Malone, and Michael F. Doherty. "Selectivity Targets for Batch Reactive Distillation†." Industrial & Engineering Chemistry Research 39, no. 6 (June 2000): 1565–75. http://dx.doi.org/10.1021/ie990497p.

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Jain, Santosh, Jin-Kuk Kim, and Robin Smith. "Operational Optimization of Batch Distillation Systems." Industrial & Engineering Chemistry Research 51, no. 16 (April 10, 2012): 5749–61. http://dx.doi.org/10.1021/ie201844g.

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CHIOTTI, OMAR J., HECTOR E. SALOMONE, and OSCAR A. IRIBARREN. "SELECTION OF MULTICOMPONENT BATCH DISTILLATION SEQUENCES." Chemical Engineering Communications 119, no. 1 (January 1993): 1–21. http://dx.doi.org/10.1080/00986449308936104.

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Wittgens, Bernd, and Sigurd Skogestad. "Multivessel Batch Distillation - Potential Energy Savings." IFAC Proceedings Volumes 31, no. 11 (June 1998): 493–98. http://dx.doi.org/10.1016/s1474-6670(17)44975-5.

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Guo, Zhe, Mudassir Ghufran, and Jae W. Lee. "Feasible products in batch reactive distillation." AIChE Journal 49, no. 12 (December 2003): 3161–72. http://dx.doi.org/10.1002/aic.690491216.

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Ahmad, Berit S., Yong Zhang, and Paul I. Barton. "Product sequences in azeotropic batch distillation." AIChE Journal 44, no. 5 (May 1998): 1051–70. http://dx.doi.org/10.1002/aic.690440506.

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Rodríguez Donis, Ivonne, Vincent Gerbaud, and Xavier Joulia. "Feasibility of heterogeneous batch distillation processes." AIChE Journal 48, no. 6 (June 2002): 1168–78. http://dx.doi.org/10.1002/aic.690480605.

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Fujii, Tetsuo. "New Reflux Policy for Batch Distillation." KAGAKU KOGAKU RONBUNSHU 28, no. 4 (2002): 386–90. http://dx.doi.org/10.1252/kakoronbunshu.28.386.

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Cressy, David C., Ian T. Nabney, and Adrian M. Simper. "Neural control of a batch distillation." Neural Computing & Applications 1, no. 2 (June 1993): 115–23. http://dx.doi.org/10.1007/bf01414431.

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Sørensen, Eva, and Sigurd Skogestad. "Control strategies for reactive batch distillation." Journal of Process Control 4, no. 4 (January 1994): 205–17. http://dx.doi.org/10.1016/0959-1524(94)80042-1.

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