نتایج جستجو برای: co2 adsorbent materials
تعداد نتایج: 508716 فیلتر نتایج به سال:
Direct air capture using solid adsorbents is a proven technology critical to reducing our net greenhouse gas emissions zero and beyond. Currently, academic research into the mainly focuses on development of new adsorbents. However, there discord between adsorbent design process performance. Many materials scientists focus maximising metrics such as CO2 capacity their adsorbent. Here, we combine...
Adsorption is one important technique in fluoride removal from aqueous solutions. The viability of adsorption techniques is greatly dependent on the development of adsorptive materials. A large number of materials have been tested at a fluoride concentration greater than 2 mg/l, and the lowest limit for fluoride reduction by them is about 2 mg/l. Decreasing the fluoride concentration to less th...
Composite sorbent materials (IL@MOF) with a metal-organic framework (MOF) ZIF-8 and [B(CN)4]?-based ionic liquids (ILs) were produced for the first time. Characterization results indicate successful IL impregnation conservation of crystalline structure morphology. The data collected from nitrogen (N2) physisorption at 77 K suggest that these IL@ZIF-8 are nonporous as their textural properties, ...
Separation of CO2 involving mixtures is relevant to the various industrial settings and preserving environment for which different classes materials including metal-organic frameworks (MOFs) have been researched. Herein, CO2/CO, CO2/H2, CO2/N2, H2S/CO2 separation properties zirconium MOFs are computationally investigated mimicking vacuum swing adsorption (VSA) process. Structure-performance rel...
In this work, chitosan bead materials were modified by cross-linking with epichlorohydrin (EP) and glutaraldehyde (GA) for the removal of heavy metals in wastewater. Using these cross-linked chitosan materials, the dependence of adsorption of chromate anions on pH was investigated experimentally and theoretically. The experimental results show that the adsorption process of the chromate (Cr) io...
Partial carbonized nanoporous resin (PCNR-150), based on organic xerogel compounds, was prepared at 150 oC by sol–gel method from pyrogallol and formaldehyde mixtures in water using perchloric acid as catalyst. The PCNR-150 was characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Fourier transformed infrared spectroscopy (FTIR) and nitrogen porosim...
The glycerol desorption from the ion exchange and adsorbent resin Purolite PD206 was studied using conventional and supercritical fluids techniques. Untreated biodiesel was purified by dry washing using the resin and, after purification, the glycerol desorption was carry out using three diferent solvents: absolute ethanol under atmospheric conditions at different mass flows (10 and 30 g/min), o...
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