Results 71 to 80 of about 403,985 (285)

Sequential Pressurized Liquid Extraction of Food Matrices: Fractionation, Selectivity, and Scale‐Up

ChemFoodChem, EarlyView.
Sequential pressurized liquid extraction separates food‐processing side streams into chemically distinct fractions by changing solvent polarity and operating conditions across stages. Lipophilic and phenolic compounds are recovered selectively, while co‐extraction is reduced.
Derya Ozalp Unal
wiley   +1 more source

Caffeine Solubility In Supercritical Carbon Dioxide/co-solvent Mixtures

, 2015
In order to assess the effect of co-solvents on the solubility of caffeine in supercritical carbon dioxide, experimental solubility of caffeine in supercritical ethanol-carbon dioxide and isopropanol-carbon dioxide mixed solvents was obtained using a ...
Kopcak U., Mohamed R.S.
core   +1 more source

Global and Detailed Calculation of Tube Wall Temperature in a Process Furnace Steam Superheater

Chemie Ingenieur Technik, EarlyView.
This study presents a comparison between an iterative global model and multiple approaches to a new non‐iterative model with the purpose of predicting tube wall temperature of a superheater. The results show that the non‐iterative method achieves sufficient accuracy while improving the prediction of local temperature distribution and better ...
Anežka Michálková, Zdeněk Jegla
wiley   +1 more source

Comparison of the Reaction Characteristics of Different Fuels in the Supercritical Multicomponent Thermal Fluid Generation Process

Energies
Supercritical multicomponent thermal fluid technology is a new technology with obvious advantages in offshore heavy oil recovery. However, there is currently insufficient understanding of the generation characteristics of the supercritical multicomponent
Qiang Fu, Jie Tian, Yongfei Liu, Zhilin Qi, Hongmei Jiao, Shenyao Yang   +5 more
doaj   +1 more source

A first principles method to determine speciation of carbonates in supercritical water

Nature Communications, 2020
The determination of the speciation of ions and molecules in supercritical aqueous fluids under pressure is key to understanding their mass transport in the Earth’s interior.
Ding Pan, Giulia Galli
doaj   +1 more source

Sub- and supercritical fluid technology applied to food waste processing

, 2020
Food industries produce annually billions of tons of non-edible residues, which can cause pollution, management and economic problems worldwide. Environment damages such as water, soil and air contamination are global concerns, and are the main reason ...
Machado, Ana Paula da Fonseca, Viganó, Juliane, Martínez, Julian   +2 more
core   +1 more source

Chemical engineering as an essential element of industrial biotechnology in Mexico: New aims in research and university education

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract On the centennial of higher education in Chemical Engineering in Mexico, it is pertinent to revisit the key stages that have contributed to its consolidation as a vital discipline for the nation's scientific and technological advancement. Although the initial mission of chemical engineering education was primarily oriented toward the training ...
Agustín López Munguía, Octavio T. Ramírez, Rafael Vazquez‐Duhalt, Eduardo Bárzana   +3 more
wiley   +1 more source

Determination of paclitaxel anticancer drug solubility in supercritical CO2: Thermodynamics modeling and machine learning approach

Case Studies in Thermal Engineering
To facilitate the effective design of supercritical fluid (SCF) processes aimed at micro- or nanosizing solid pharmaceuticals, obtaining solubility data in environmentally friendly solvents such as pressurized carbon dioxide (CO2) is essential ...
Gholamhossein Sodeifian, Ratna Surya Alwi, Nedasadat Saadati Ardestani, Adel Noubigh, Reza Derakhsheshpour, Amir Elyasi   +5 more
doaj   +1 more source

Application of artificial neural network and general machine learning modelling on CO2 adsorption in moisture equilibrated South African high and medium rank coals

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract This study investigates the effect of moisture on CO2 adsorption in South African coals using both experimental and machine learning approaches. Three coal samples (SL, TN, and EM) with varying ranks (RoVmr: 3.49%, 1.26%, and 0.64%, respectively) were collected from different regions of South Africa.
Kasturie Premlall, Lawrence Koech, Douw Faurie, Khanyisile Lepota   +3 more
wiley   +1 more source

Dynamical and thermodynamic crossovers in the supercritical region of a holographic superfluid model

European Physical Journal C: Particles and Fields
Many physical systems, including classical fluids, present in their phase diagram the competition between two phases that are separated by a line of first-order phase transitions which terminates at a so-called critical point.
Zi-Qiang Zhao, Zhang-Yu Nie, Jing-Fei Zhang, Xin Zhang, Matteo Baggioli   +4 more
doaj   +1 more source