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497 Newest Publications about the topic distillation
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X-ray Spectroscopy and Chemometric Methods for Real-Time Characterization of Petroleum for the Refining Process through True Boiling Point Curve and American Petroleum Institute Gravity
17-05-2013 | Claudete Bernardo Henriques; Julio Cesar Laurentino Alves; Ronei Jesus Poppi; Rubens Maciel Filho; Maria Izabel Mare ..., Energy & Fuels, 2013
The previous characterization of petroleum by real-time analysis is a need in many refining plants and is considered a complex challenge because of the feedstock characteristics, which can vary over a widely extended range. Typical examples consist of petroleum analysis for the determination ...
Generalized generic model control of high‐purity internal thermally coupled distillation column based on nonlinear wave theory
16-05-2013 | Lin Cong, Xinggao Liu, Yexiang Zhou, Youxian Sun, AIChE Journal, 2013
Abstract A new model‐based control strategy for the internal thermally coupled distillation column (ITCDIC) is presented. Based on the nonlinear wave theory that describes the nonlinear dynamics in the separation processes, a simplified nonlinear wave model is established that concerns ...
Aromatically Enhanced Pear Distillates from Blanquilla and Conference Varieties Using a Packed Column
13-05-2013 | Yanine Arrieta-Garay; Laura García-Llobodanin; José Ricardo Pérez-Correa; Cristina López-Vázquez; Ignacio Orriols; F ..., Journal of Agricultural and Food Chemistry, 2013
Pear distillates are generally produced from the Bartlett variety because of its rich aroma. In this study, a chemical and sensorial comparative examination of pear distillates from the three main varieties grown in Spain (Bartlett, Blanquilla, and Conference) using two distillation systems ...
Characterization of Aronia melanocarpa Volatiles by Headspace-Solid-Phase Microextraction (HS-SPME), Simultaneous Distillation/Extraction (SDE), and Gas Chromatography-Olfactometry (GC-O) Methods
10-05-2013 | Vilma Kraujalytė; Erich Leitner; Petras Rimantas Venskutonis, Journal of Agricultural and Food Chemistry, 2013
The profiles of volatile constituents of berry fruit of two Aronia melanocarpa genotypes were evaluated by headspace-solid-phase microextraction (HS-SPME), simultaneous distillation and extraction (SDE), and gas chromatography-olfactometry (GC-O). In total, 74 volatile compounds were ...
Compositional Analysis and Advanced Distillation Curve for Mixed Alcohols Produced via Syngas on a K-CoMoSx Catalyst
10-05-2013 | Jesse E. Hensley; Tara M. Lovestead; Earl Christensen; Abhijit Dutta; Thomas J. Bruno; Robert McCormick, Energy & Fuels, 2013
The distillation behavior of mixed alcohols was studied by use of the Advanced Distillation Curve (ADC) methodology. Crude mixed alcohols (oxygenates) were generated from syngas over a potassium-promoted cobalt–molybdenum-sulfide catalyst and assayed for major and minor products. Distillation ...
Molecules, Vol. 18, Pages 5335-5347: Chelator-Accelerated One-Pot ‘Click’ Labeling of Small Molecule Tracers with 2-[18F]Fluoroethyl Azide
10-05-2013 | Galante, Eva ; Schoultz, Bent Wilhelm; Koepp, Matthias ; Årstad, Erik, Molecules, 2013
2-[18F]Fluoroethyl azide ([18F]FEA) can readily be obtained by nucleophilic substitution of 2-azidoethyl-4-toluenesulfonate with [18F]fluoride (half-life 110 min), and has become widely used as a reagent for ‘click’ labeling of PET tracers. However, distillation of [18F]FEA is typically ...
Molecules, Vol. 18, Pages 5434-5454: Camphor—A Fumigant during the Black Death and a Coveted Fragrant Wood in Ancient Egypt and Babylon—A Review
10-05-2013 | Chen, Weiyang ; Vermaak, Ilze ; Viljoen, Alvaro, Molecules, 2013
The fragrant camphor tree (Cinnamomum camphora) and its products, such as camphor oil, have been coveted since ancient times. Having a rich history of traditional use, it was particularly used as a fumigant during the era of the Black Death and considered as a valuable ingredient in both ...
A new technique for recovering energy in thermally coupled distillation using vapor recompression cycles
09-05-2013 | Miguel A. Navarro‐Amorós, Rubén Ruiz‐Femenia, José A. Caballero, AIChE Journal, 2013
ABSTRACT Even though it has been proved that a fully thermally coupled distillation (TCD) system minimizes the energy used by a sequence of columns, it is well known that vapor/liquid transfers between different sections produce an unavoidable excess of vapor (liquid) in some of them, ...
Horizontal reactive distillation for multicomponent chiral resolution
09-05-2013 | Patrick H. Au‐Yeung, Sol M. Resnick, Paul M. Witt, Timothy C. Frank, Felipe A. Donate, Lanny A. Robbins, AIChE Journal, 2013
Abstract A novel horizontal reactive distillation apparatus and a new overall process scheme are proposed for continuous multicomponent chiral resolution via reversible enantioselective acylation of a chiral (racemic) substrate by a chiral (racemic) acyl donor. The process enables ...
Novel applications of dividing‐wall column technology to biofuel production processes
30-04-2013 | Anton A. Kiss, Journal of Chemical Technology & Biotechnology, 2013
Abstract Biofuels enjoy nowadays increased public and scientific attention, driven by key factors such as volatile oil price, the need for increased energy security, and concerns over greenhouse gas emissions from fossil fuels. However, in order to make biofuels a competitive alternative, ...
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