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Superhydrophobic Graphene Aerogel as a New Oil Sorbent
https://orcid.org/https://orcid.org/0000-0003-1958-1821
https://orcid.org/https://orcid.org/0000-0002-8058-2092
https://orcid.org/https://orcid.org/0009-0007-2389-6144
https://orcid.org/https://orcid.org/0009-0002-2117-8185
https://orcid.org/https://orcid.org/0000-0003-4029-6339
https://orcid.org/https://orcid.org/0000-0001-8086-2345
New oil sorbents, superhydrophobic aerogels of reduced graphene oxide (rGO) and polytetrafluoroethylene (PTFE), were developed. The rGO/PTFE aerogels of 2 : 3, 1 : 1, and 3 : 2 compositions were prepared as granules and blocks with contact angles larger than 160°. The rGO/PTFE (2 : 3) granules and the block of the same composition exhibit the highest sorption capacity for crude oil: 26 and 58.5 g/g, respectively. A procedure was suggested for utilization of the oil-loaded aerogels by distillation of low-boiling fractions and pressing of the aerogel to obtain a hydrophobic additive to asphalt concrete mixtures.
Superhydrophobic Graphene Aerogel as a New Oil Sorbent
https://orcid.org/https://orcid.org/0000-0003-1958-1821
https://orcid.org/https://orcid.org/0000-0002-8058-2092
https://orcid.org/https://orcid.org/0009-0007-2389-6144
https://orcid.org/https://orcid.org/0009-0002-2117-8185
https://orcid.org/https://orcid.org/0000-0003-4029-6339
https://orcid.org/https://orcid.org/0000-0001-8086-2345
New oil sorbents, superhydrophobic aerogels of reduced graphene oxide (rGO) and polytetrafluoroethylene (PTFE), were developed. The rGO/PTFE aerogels of 2 : 3, 1 : 1, and 3 : 2 compositions were prepared as granules and blocks with contact angles larger than 160°. The rGO/PTFE (2 : 3) granules and the block of the same composition exhibit the highest sorption capacity for crude oil: 26 and 58.5 g/g, respectively. A procedure was suggested for utilization of the oil-loaded aerogels by distillation of low-boiling fractions and pressing of the aerogel to obtain a hydrophobic additive to asphalt concrete mixtures.
Superhydrophobic Graphene Aerogel as a New Oil Sorbent
https://orcid.org/https://orcid.org/0000-0003-1958-1821
https://orcid.org/https://orcid.org/0000-0002-8058-2092
https://orcid.org/https://orcid.org/0009-0007-2389-6144
https://orcid.org/https://orcid.org/0009-0002-2117-8185
https://orcid.org/https://orcid.org/0000-0003-4029-6339
https://orcid.org/https://orcid.org/0000-0001-8086-2345
New oil sorbents, superhydrophobic aerogels of reduced graphene oxide (rGO) and polytetrafluoroethylene (PTFE), were developed. The rGO/PTFE aerogels of 2 : 3, 1 : 1, and 3 : 2 compositions were prepared as granules and blocks with contact angles larger than 160°. The rGO/PTFE (2 : 3) granules and the block of the same composition exhibit the highest sorption capacity for crude oil: 26 and 58.5 g/g, respectively. A procedure was suggested for utilization of the oil-loaded aerogels by distillation of low-boiling fractions and pressing of the aerogel to obtain a hydrophobic additive to asphalt concrete mixtures.
Superhydrophobic Graphene Aerogel as a New Oil Sorbent
Pet. Chem.
Sandzhieva, D. A. (author) / Baskakov, S. A. (author) / Ubushaeva, B. V. (author) / Kuznetsova, O. V. (author) / Buznik, V. M. (author) / Dedov, A. G. (author)
Petroleum Chemistry ; 64 ; 1317-1326
2024-12-01
10 pages
Article (Journal)
Electronic Resource
English
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