Effective removal of hexamethyldisiloxane using a citric acid modified three-dimensional graphene aerogel

Removal of Hexamethyldisiloxane via a Novel Hydrophobic (3–Aminopropyl)Trimethoxysilane-Modified Activated Porous Carbon

“…The removal performance of APTMS@APC–x for L2 gas stream was measured using a fixed-bed dynamic adsorption setup. The feasibility and specific manipulations of such an approach have been reported in detail in our previous work [ 15 , 21 ]. For each test, 0.50 g of APTMS@APC–x was used at 25 °C, an L2 inlet concentration of 83.82 mg L −1 , and a gas flow rate of 50 mL min −1 .…”

“…Several techniques have been used to remove VMS from biogas, including cryogenic condensation, biological technology, catalytic processes, membrane separation, absorption, and adsorption [ 8 , 11 , 12 , 13 , 14 , 15 , 16 ]. Among these technologies, physical adsorption through porous materials is considered to be very promising for VMS removal, due to its low cost, ease of operation, high efficiency, and great versatility [ 17 , 18 ].…”

“…Among these technologies, physical adsorption through porous materials is considered to be very promising for VMS removal, due to its low cost, ease of operation, high efficiency, and great versatility [ 17 , 18 ]. In the past several years, many porous absorbent materials have been developed and thoroughly investigated, such as activated porous carbon materials, silica gel, molecular sieves, and reduced graphene oxide aerogel (rGOA), with properties compared in Table S1 [ 14 , 15 , 17 , 19 , 20 , 21 , 22 , 23 , 24 ]. Based on the previous review, despite the large specific surface area and highly developed porous structure, the recycling performance of activated porous carbon materials, silica gel, and molecular sieves is limited, owing to the presence of polar functional groups [ 25 , 26 , 27 ].…”

Synergetic Adsorption of Dyes in Water by Three-Dimensional Graphene and Manganese Dioxide (PU@RGO@MnO2) Structures for Efficient Wastewater Purification

“…The XRD spectra of the two are obtained by XRD analysis, as exhibited in Figure 2: In Figure 2, although the original experimental data only include XRD analyses of GO and PU@RGO@MnO2, these results can be compared with XRD data for RGO, MnO2, and PU from previous literature. Hou et al (2022) [23] extensively described the XRD analyses of RGO, MnO2, and PU. By comparing the XRD spectrum of PU@RGO@MnO2, broader crystalline peaks at 37° and 60° could be observed, indicating the presence of α- In Figure 2, although the original experimental data only include XRD analyses of GO and PU@RGO@MnO 2 , these results can be compared with XRD data for RGO, MnO 2 , and PU from previous literature.…”

“…By comparing the XRD spectrum of PU@RGO@MnO2, broader crystalline peaks at 37° and 60° could be observed, indicating the presence of α- In Figure 2, although the original experimental data only include XRD analyses of GO and PU@RGO@MnO 2 , these results can be compared with XRD data for RGO, MnO 2 , and PU from previous literature. Hou et al (2022) [23] extensively described the XRD analyses of RGO, MnO 2 , and PU. By comparing the XRD spectrum of PU@RGO@MnO 2 , broader crystalline peaks at 37 • and 60 • could be observed, indicating the presence of α-phase MnO 2 in PU@RGO@MnO 2 .…”