نتایج جستجو برای: co2 permeation
تعداد نتایج: 79719 فیلتر نتایج به سال:
The article describes data concerning the separation performances of polymeric hollow-fiber membranes. The data were obtained using a model for simulating gas separation, described in the research article entitled "Interplay of inlet temperature and humidity on energy penalty for CO2 post-combustion capture: rigorous analysis and simulation of a single stage gas permeation process" (L. Giordano...
A PEBAX-nano zeolite X mixed matrix membrane was fabricated and operationally characterized using single gas (CO2) permeation. X-ray diffraction (XRD) analysis was used to study the arrangement of polymer chains of mixed matrix membrane. The membranes were characterized by scanning electron microscopy (SEM) to study cross-sectional morphology. The single gas permeability were carried...
Nanoporous graphene membranes have drawn special attention in the gas-separation processes due to their unique structure and properties. The complexity of physical understanding such membrane designs restricts widespread use for applications. In present study, we strive propose promising face this technical challenge. regard, investigated permeation separation mixture adsorptive gases CO2 CH4 t...
The controlled synthesis of terpolymer structures is often limited by the intrinsic reactivities monomers. For a statistical from cyclohexene oxide (CHO) and propylene (PO) with CO2, an instrumental solution demanded. Implementing setup where one monomer can be added to reaction mixture over whole course reaction, random distribution epoxides chain realized. successful terpolymerization determi...
The ring-opening polymerization of ε-caprolactone (ε-CL) and rac-lactide (rac-LA) under solvent-free conditions and using 1-n-butyl-3-methylimidazolium-2-carboxylate (BMIM-2-CO2) as precatalyst is described. Linear and star-branched polyesters were synthesized by successive use of benzyl alcohol, ethylene glycol, glycerol and pentaerythritol as initiator alcohols, and the products were fully ch...
A series of chemically functionalized porous aromatic frameworks (PAFs) have been synthesized and deployed within mixedmatrix membranes for gas separation. This series of PAFs delivered for the first time simultaneous control of selective gas transport and physical aging within the membranes. New composites including native and metalated fullerenes were also prepared, and the composites exhibit...
Composites incorporating two-dimensional nanostructures within polymeric matrices have potential as functional components for several technologies, including gas separation. Prospectively, employing metal-organic frameworks (MOFs) as versatile nanofillers would notably broaden the scope of functionalities. However, synthesizing MOFs in the form of freestanding nanosheets has proved challenging....
Hydrogen permeation membranes are a key element in improving the energy conversion efficiency and decreasing the greenhouse gas emissions from energy generation. The scientific community faces the challenge of identifying and optimizing stable and effective ceramic materials for H2 separation membranes at elevated temperature (400-800 °C) for industrial separations and intensified catalytic rea...
Membranes are attractive for upgrading natural gas; however, the gas permeation processes through membranes challenging to control. The coexistence of condensable H2S and CO2 typically causes membrane performance decline under practical feed conditions, due uncontrolled penetrant competition undesired plasticization polymer matrix. In this paper, we report a strategy successfully transform thes...
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