نتایج جستجو برای: mil 53 cr
تعداد نتایج: 121221 فیلتر نتایج به سال:
Different alkylamine molecules were post-synthetically tethered to the unsaturated Cr(III) centers in the metal-organic framework MIL-101. The resultant metal-organic frameworks show almost no N2 adsorption with significantly enhanced CO2 capture under ambient conditions as a result of the interaction between amine groups and CO2 molecules. Given the extraordinary stability, high CO2 uptake, ul...
MIL-53(Fe) was synthesized using a “modulator approach” that utilizes acetic acid (HAc) as an additive to control the size and morphology of resulting crystals. We demonstrate after activation under vaccum at 100 °C, functions well for H2S selective oxidation. The introduction in presence benzene-1,4-dicarboxylic (H2BDC) would result series nanocrystals (denoted MIL-53(Fe)-xH, x stands volume a...
The adsorption mechanisms of three nonsteroidal anti-inflammatory drugs (NSAIDs), ibuprofen (IBP), ketoprofen (KET), and naproxen (NPX), applied onto a pristine 1D flexible framework MIL-53(Al) were compared with those adsorbed on MIL-53(Al)/alginate (AM) polyvinylidene fluoride/MIL-53(Al) (PM) composite beads through investigation single-solute batch fixed-bed systems. exhibited outstanding ca...
The MIL-100(Cr), PW12@MIL-100(Cr) and PW4@MIL-100(Cr) catalysts were prepared characterized through XRD, FTIR, BET, SEM, EDS Raman spectroscopy. A comparison of the catalytic properties synthesized materials in epoxidation FAMEs with hydrogen peroxide was made. catalyst exhibited highest activity provided a high selectivity for formation epoxides. effects reaction temperature, loading, time FAM...
Abstract This study demonstrates the sustainable synthesis of multifunctional CIS@MIL-101(Cr) composites for water treatment applications. The were prepared via hybridization CuInS2 with MIL-101(Cr) resulting in formation CIS nanoplates incorporated into MIL-101(Cr). exhibited enhanced visible light photocatalytic activity due to their low bandgap energy and tested tetracycline photodegradation...
در این مطالعه اثر افزودن ذرات materials institute lavoisier-53, mil 53 بر خواص گاز تراوایی غشای پلی متیل پنتین (pmp) ارزیابی شد.mil-53با ترکیب درصدهای 10، 20 و %30 وزنی به ماتریس پلیمری اضافه شد. خواص mil-53 و غشاهای ساخته شده به روش های مختلفی نظیر آزمون ftir،sem و tga بررسی شد. همچنین آزمون جذب گازهای co2 و ch4 برای بررسی هر چه دقیق تر خواص گاز تراوایی غشاهای حاصل انجام و داده های جذب با ...
Adsorption-based heat transformation systems are studied from the twentieth century; however, their performance is low to replace conventional systems. Metal-organic frameworks (MOFs) providing a new class of micro- and nano-porous organic adsorbents. These have adjustable geometry/topology with large surface area pore volume. A comparison coefficient (COP) between MOFs adsorbents-based cooling...
The chromium-benzenedicarboxylate metal–organic framework (MOF), MIL-101(Cr), is one of the most well-investigated and widely used prototypical MOFs. Regarding its synthesis, use a toxic modulator (usually HF) high reaction temperature (220 °C) are main factors hindering further expansion production utilization. In fact, quality MIL-101(Cr) crystals can be prepared at much lower (160 with spher...
MIL-101(Cr), one of the most important prototypical MOFs, is well investigated and widely used in many scientific fields. With regard to MOF synthesis in general, the addition of a modifier is commonly used to improve the properties of the products. The effect of inorganic (mineral) and organic acid modifiers was thoroughly investigated in the synthesis of MIL-101(Cr) and HNO3 could increase th...
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