Novel Fabrication of Solar Light-Heated Sponge through Polypyrrole Modification Method and Their Applications for Fast Cleanup of Viscous Oil Spills

Yang, Chenxi; Bai, Bo; He, Yedong; Hu, Na; Wang, Honglun; Suo, Yourui

doi:10.1021/acs.iecr.8b00166

Cited by 53 publications

(21 citation statements)

References 62 publications

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“…20,1,2 A sponge substrate offers good oleophilicity, elasticity, and high porosity and is made out of water-soluble polymers. 21 Poly(vinyl alcohol) is contemplated as the most attractive polymer for making three-dimensional matrices as it possesses excellent properties like biocompatibility, mechanical strength, flexibility, biodegradability, cheapness, lower toxicity, and a good degree of hydrophilicity. 22 The PVA formaldehyde sponges with a macroporous structure have been successfully used for oil absorption studies in the past.…”

Section: Introductionmentioning

confidence: 99%

Superswelling Hybrid Sponge from Water Glass for Selective Absorption of Crude Oil and Organic Solvents

2019

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A lightweight super hydrophilic hybrid sponge is designed and demonstrated out of water glass and an organic polymer, which has a macroporous flaky nature and is superflexible with an apparent density of 0.069 g cc–1, ∼97% porosity, and 3000% water uptake. The octadecyltrimethoxy silane-modified hybrid sponge exhibits selective absorption of oil and organic solvents in open water. An absorption capacity in the range 12–23 g g–1 for the test liquids light crude oil, engine oil, paraffin oil, chloroform, kerosene, and hexane is revealed. Absorption capacity by a weight basis was directly proportional to the density and inversely proportional to the viscosity of test liquids. Trials under both stagnant and turbulent conditions verify selective uptake of oil from sea water. Complete regeneration of the absorbent was possible for ten cycles for the test liquids. The work provides design of an affordable water clean-up material alternative to commonly used polyurethane sponges.

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Section: Introductionmentioning

confidence: 99%

Superswelling Hybrid Sponge from Water Glass for Selective Absorption of Crude Oil and Organic Solvents

2019

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“…[184] The results indicate that the surface of PPy-PEG-PODS coated sponges can reach an equilibrium temperature at 45 °C after 20 min solar irradiation, and such a high temperature would significantly decrease the viscosity of viscous oil. For example, PPy-polyethylene glycol (PEG)-polymerized octadecylsiloxane (PODS) coated sponges were fabricated via two-step surface modification strategy, which takes full advantage of the photothermal property of PPy to heat the viscous oil, as well as the hydrophobic PODS to improve the adsorption capacity of sponges to viscous oil.…”

Section: Photothermal-assisted Crude Oil Cleanup For Water Purificationmentioning

confidence: 88%

“…Resembling above solar‐driven technologies, tremendous efforts have been recently paid to directly utilize photothermal effect to obtain solar‐driven self‐heating function to further reduce the viscosity of crude oil. For example, PPy–polyethylene glycol (PEG)‐polymerized octadecylsiloxane (PODS) coated sponges were fabricated via two‐step surface modification strategy, which takes full advantage of the photothermal property of PPy to heat the viscous oil, as well as the hydrophobic PODS to improve the adsorption capacity of sponges to viscous oil . The results indicate that the surface of PPy–PEG–PODS coated sponges can reach an equilibrium temperature at 45 °C after 20 min solar irradiation, and such a high temperature would significantly decrease the viscosity of viscous oil.…”

Section: Emerging Photothermal‐assisted Water Purification/harvestingmentioning

confidence: 99%

Harnessing Solar‐Driven Photothermal Effect toward the Water–Energy Nexus

et al. 2019

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Producing affordable freshwater has been considered as a great societal challenge, and most conventional desalination technologies are usually accompanied with large energy consumption and thus struggle with the trade‐off between water and energy, i.e., the water–energy nexus. In recent decades, the fast development of state‐of‐the‐art photothermal materials has injected new vitality into the field of freshwater production, which can effectively harness abundant and clean solar energy via the photothermal effect to fulfill the blue dream of low‐energy water purification/harvesting, so as to reconcile the water–energy nexus. Driven by the opportunities offered by photothermal materials, tremendous effort has been made to exploit diverse photothermal‐assisted water purification/harvesting technologies. At this stage, it is imperative and important to review the recent progress and shed light on the future trend in this multidisciplinary field. Here, a brief introduction of the fundamental mechanism and design principle of photothermal materials is presented, and the emerging photothermal applications such as photothermal‐assisted water evaporation, photothermal‐assisted membrane distillation, photothermal‐assisted crude oil cleanup, photothermal‐enhanced photocatalysis, and photothermal‐assisted water harvesting from air are summarized. Finally, the unsolved challenges and future perspectives in this field are emphasized. It is envisioned that this work will help arouse future research efforts to boost the development of solar‐driven low‐energy water purification/harvesting.

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“…[ 16 ] Combining the straight pores and efficient light‐to‐heat conversion, the oil absorption rate can reach up to 1550 mL m −2 in 30 s under 1 sun illumination. Other photothermal materials including CuO/CuS, [ 84 ] PDA, [ 85 ] PPy, [ 86 ] GO, and [ 87 ] carbon dots [ 88 ] have been also used to fabricate photothermal absorbents.…”

Section: Sustainable Applications Of Photothermal Materialsmentioning

confidence: 99%

Photothermal Devices for Sustainable Uses Beyond Desalination

Chen

Wang

et al. 2021

Adv Energy and Sustain Res

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Solar energy is an abundant clean and renewable energy source that has found wide uses in many energy‐intensive applications. It is normally transformed into other forms for certain applications, and light‐to‐heat conversion is one of the most common and efficient ways to utilize solar power. Previous reviews mostly focus on the solar‐driven evaporation for desalination, but few mention other applications in which the photothermal materials play a vital role. Herein, a Review regarding the sustainable uses of photothermal devices beyond desalination is presented. The recent developments of photothermal materials and progress on their applications in wastewater treatment, oil‐spill cleanup, moisture capture, energy harvesting during evaporation, sterilization, deicing, etc. are summarized. Herein, the working principles as well as property requirements in these applications are discussed and also the challenges with opportunities in future research are presented.

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Novel Fabrication of Solar Light-Heated Sponge through Polypyrrole Modification Method and Their Applications for Fast Cleanup of Viscous Oil Spills

Cited by 53 publications

References 62 publications

Superswelling Hybrid Sponge from Water Glass for Selective Absorption of Crude Oil and Organic Solvents

Superswelling Hybrid Sponge from Water Glass for Selective Absorption of Crude Oil and Organic Solvents

Harnessing Solar‐Driven Photothermal Effect toward the Water–Energy Nexus

Photothermal Devices for Sustainable Uses Beyond Desalination

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