Preparation of zeolitic imidazolate framework-8 /graphene oxide composites with enhanced VOCs adsorption capacity

Zeolitic imidazolate frameworks‐8 modified graphene as a green flame retardant for reducing the fire risk of epoxy resin

“…Moreover, the characteristic diffraction peaks of ZIF‐8 are sharp and clearly identifiable, which shows that the crystal of ZIF‐8 is better. For the ZIF‐8/RGO hybrid material, its XRD spectrum is basically the same as that of ZIF‐8, but the intensity of its diffraction peak of the ZIF‐8/RGO hybrids is reduced, which is due to the introduction of RGO . Further observation can find that the (002) peak of RGO is not found in the XRD spectra of the ZIF‐8/RGO hybrid material, indicating that ZIF‐8 is well loaded onto the surface of the graphene and the stacking of graphene is suppressed …”

“…For the ZIF-8/RGO hybrid material, its XRD spectrum is basically the same as that of ZIF-8, but the intensity of its diffraction peak of the ZIF-8/RGO hybrids is reduced, which is due to the introduction of RGO. 27 Further observation can find that the (002) peak of RGO is not found in the XRD spectra of the ZIF-8/ RGO hybrid material, indicating that ZIF-8 is well loaded onto the surface of the graphene and the stacking of graphene is suppressed. 28 Figure 3 shows the Raman spectra of ZIF8, RGO, and ZIF-8/RGO hybrid material.…”

Adsorption of toluene with water on zeolitic imidazolate framework-8/graphene oxide hybrid nanocomposites in a humid atmosphere

“…17 Zhou and colleagues found that the composites of ZIF-8/GO composites exhibited enhanced VOCs adsorption capacity. 18 However, the research on VOCs adsorption performance of ZIFs/GO composites in aqueous system is very limited so far, as a majority of adsorption experiments of MOF/GO composites are under ideal conditions without considering the effects of water. [17][18][19] As is known to all, water vapor is omnipresent.…”

“…18 However, the research on VOCs adsorption performance of ZIFs/GO composites in aqueous system is very limited so far, as a majority of adsorption experiments of MOF/GO composites are under ideal conditions without considering the effects of water. [17][18][19] As is known to all, water vapor is omnipresent. It oen presents in polluted air and industrial gas streams, which may decrease the VOCs adsorption because of strong competitive adsorption.…”

Activated carbons modified by magnesium oxide as highly efficient sorbents for acetone

“…At present, several methods including condensation, distillation, biological treatment, catalytic oxidation and adsorption have been used for VOC abatement. [4][5][6][7][8] Among them, adsorption is considered as the most economic and effective technique for control over a variety of VOCs, while an appropriate adsorbent is the key to adsorption techniques. 9,10 Up to now, various adsorbents derived from silica, zeolites, metal organic frameworks, metal oxides and activated carbon have been employed to capture VOCs, [11][12][13][14][15][16] and activated carbon is regarded as one of the most promising adsorbents for commercial use owing to its great surface area, excellent thermal/ chemical stability, low cost and outstanding cyclic utilization.…”