Results 51 to 60 of about 15,890 (261)

Revalorization of Broccoli By-Products for Cosmetic Uses Using Supercritical Fluid Extraction

open access: yesAntioxidants, 2020
The agri-food industry is currently one of the main engines of economic development worldwide. The region of Murcia is a reference area in Europe for the cultivation of fruits and vegetables and produces the bulk of Spanish exports of broccoli (Brassica ...
María Borja-Martínez   +4 more
doaj   +1 more source

Research on Heat Transfer Enhancement of Spiral Grooved Tube Heat Exchangers Based on CFD and Artificial Intelligence

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Driven by the energy crisis and carbon neutrality goals, high‐efficiency heat exchange equipment has become a core demand in the industrial sector. The spiral grooved double‐pipe heat exchanger exhibits significant heat transfer enhancement advantages, yet it requires balancing heat transfer efficiency and pressure loss.
Yueyun Yang, Wei Li, Xiuzhi Xi, Neng Gao
wiley   +1 more source

Nanoscale solid-fluid interaction and amphibole formation in the lithospheric mantle

open access: yesScientific Reports
Nanoscale amphibole nucleation and growth in the Earth’s mantle is poorly understood despite its important role in the evolution and stability of the lithosphere, along with its influence on the coexisting fluid composition.
Thomas Pieter Lange   +7 more
doaj   +1 more source

Optimization of Hydrogen Supercritical Oxy-Combustion in Gas Turbines

open access: yesFuels
This study investigates the combustion of hydrogen in supercritical gas turbines, emphasizing the optimization of combustor design through computational fluid dynamics (CFD) simulations.
Sylwia Oleś   +4 more
doaj   +1 more source

Unveiling opportunities and challenges for a circular approach to macaúba biorefining: a technological roadmap

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract The macaúba fruit, native to tropical and subtropical regions, has received considerable attention in recent years as a promising raw material for the production of advanced biofuels in Brazil. However, the development of large‐scale biomass requires overcoming significant challenges, such as designing circular biorefineries.
Fábio de A. Oroski   +3 more
wiley   +1 more source

Numerical Simulation of Supercritical CO2 Jet Behavior

open access: yesShiyou jixie, 2019
In exploiting unconventional oil and gas resources by supercritical CO2 jet, the change of working condition parameters has a great influence on the effect of supercritical CO2 jet operation.
Wang Xiangzeng, Zheng Yong, Wu Jinqiao
doaj  

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

open access: yesChemie 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

Hydrous Carbonatitic Liquids Drive CO2 Recycling From Subducted Marls and Limestones

open access: yesGeophysical Monograph Series, Page 209-221., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Erwin Schettino, Stefano Poli
wiley  

+5 more sources

Kinetic models for supercritical CO2 extraction of oilseeds - a review

open access: yesCroatian Journal of Food Science and Technology, 2011
The supercritical fluid extraction of oilseeds is gaining increasing interest in commercial application for the last few decades, most particularly thanks to technical and environmental advantages of supercritical fluid extraction technology compared to ...
B. Nagy   +4 more
doaj  

Supercritical Extraction Techniques for Obtaining Biologically Active Substances from a Variety of Plant Byproducts

open access: yesFoods
Supercritical fluid extraction (SFE) techniques have garnered significant attention as green and sustainable methods for obtaining biologically active substances from a diverse array of plant byproducts.
Filip Herzyk   +2 more
doaj   +1 more source

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