Results 71 to 80 of about 941,371 (339)

EFFECT OF SOLVENT FLOW RATE ON THE SUPERCRITICAL CARBON DIOXIDE EXTRACTION OF ANDROGRAPHOLIDE FROM ANDROGRAPHIS PANICULATA [PDF]

open access: yes, 2006
Malaysia is one of the major medicinal plants (Andrographis paniculata) producers in the world. Extraction of bioactive component (andrographolide) from ground dried leaves of this plant using supercritical carbon dioxide has been studied.
Kumoro, A.C., Hasan, M.
core  

Supercritical CO2‐Induced Porous MXene Films for Electromagnetic Interference Shielding and Infrared Stealth

open access: yesAdvanced Science, EarlyView.
The phase transition of supercritical CO2 induces the foaming of dense MXene film without compromise inherent structure of MXene nanosheet. The foamed porous MXene film manifests remarkable EMI shielding and infrared thermal camouflage performances. Moreover, the foaming strategy is broadly adaptable and can be extended to other two‐dimensional films ...
Hui Zhao   +7 more
wiley   +1 more source

Research progress on theory and simulation of supercritical CO2 pipeline transportation

open access: yesYou-qi chuyun
ObjectiveWith the ongoing development of carbon capture, utilization, and storage (CCUS) technology, researching supercritical CO2 pipeline transportation technology has become essential. Enhancing the fundamental theoretical system for supercritical CO2
Meng LI   +7 more
doaj   +1 more source

Topological Materials and Related Applications

open access: yesAdvanced Electronic Materials, EarlyView.
This review covers topological materials—including topological insulators, quantum valley Hall and quantum spin Hall insulators, and topological Weyl and Dirac semimetals—as well as their most recent advancements in fields such as spintronics, electronics, photonics, thermoelectrics, and catalysis.
Carlo Grazianetti   +9 more
wiley   +1 more source

The use of a supercritical carbon dioxide-based solvent as a cost effective and environmentally sound alternative to current photoresist stripping solvents [PDF]

open access: yes, 2002
Plan BThe semiconductor industry is facing challenges that involve the use of photoresist stripping solvents. This literature review compares the current solvents used, namely sulfuric acid and hydrogen peroxide and N-methylpyrrolidine, to an alternative
Knutson, Brian
core  

Supercritical CO2 extraction from food matrices with optimization of main operating variables [PDF]

open access: yes, 2022
The aim of this work is to carry out two types of supercritical CO2 extraction (SFE) from food matrices and to optimize the main important extraction variables.
Pannocchia, Benedetta
core  

Characterization of Bio‐Based Phenolic Plasticizer Extracted From Rambutan Fruit Shell Waste: A Sustainable Alternative to Synthetic Plasticizers for Green Polymer Applications

open access: yesJournal of the American Oil Chemists' Society, EarlyView.
Comprehensive Characterization of Bio‐Based Phenolic Plasticizer Extracted From Rambutan Fruit Shell Waste. ABSTRACT The development of eco‐friendly plasticizer is driving the interest of many scientists due to its environmentally benign nature.
Divya Divakaran   +7 more
wiley   +1 more source

Sustainable Palm Oil Extraction and Trends in the Use of Green Technologies: State‐of‐the‐Art and Future Directions

open access: yesJournal of the American Oil Chemists' Society, EarlyView.
ABSTRACT Palm oil, which is extracted from the mesocarp of the fruit of the Elaeis guineensis Jacq. palm tree, is the most widely produced vegetable oil in the world. The extraction of this substance typically utilizes the conventional pressing method, a technique that is advantageous due to its low operating cost and simplified process.
Constantino Lucas Queta   +2 more
wiley   +1 more source

Experimental study of microstructure and mechanical properties-acoustic emission characterization of high-rank coal under supercritical CO2 action

open access: yesMeitan kexue jishu
The supercritical CO2 fracturing technology has significant potential for developing coal fracture and increasing gas permeability. Understanding its influence mechanism on coal is crucial for advancing research and practical engineering applications of ...
Jiajia LIU   +5 more
doaj   +1 more source

Review of supercritical CO2 power cycles integrated with CSP

open access: yesInternational Journal of Energy Research, 2019
Increasing demand of electricity and severer concerns to environment call for green energy sources as well as efficient energy conversion systems.
Jun Yin   +3 more
semanticscholar   +1 more source

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