Environmental pollution and clean water production are challenges to the development of human society. In this paper, devices consisting of a superhydrophobic Ni-CoFeO foam layer (floating layer), a hydrophilic channel and a superhydrophilic Ni-CoFeO foam layer (photothermal conversion layer) were designed. The light energy was converted into heat on the photothermal layer, for which the hydrophilic channel provided a small amount of water. The superhydrophobic layer ensured the floating and selective adsorption of organic solvents on the water surface, whose contact angle reached 157°, and the steam production rate reached 1.68 kg·m·h. Finally, the LSV curve demonstrated that the Ni-CoFeO foam prepared had a minimum starting potential, achieving the multifunctionality of the Ni foam.
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http://dx.doi.org/10.3390/nano12091531 | DOI Listing |
J Food Sci
December 2024
Department of Food Science, University of Wisconsin-Madison, Madison, Wisconsin, USA.
The demand for nondairy and plant-based products has increased, but there is still a need for more information about and improvement in these products, especially when it comes to frozen desserts. Similar to ice cream, which simultaneously is an emulsion, dispersion, and foam, nondairy frozen desserts also have a complex structure. As a starting point, 15 commercial nondairy frozen desserts, marketed as offering an ice cream-like experience, were purchased and evaluated for compositional, physical, structural, rheological, and meltdown properties.
View Article and Find Full Text PDFSci Rep
December 2024
School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, 330013, Jiangxi, People's Republic of China.
Compared with simple formations, EPB (earth pressure balance) shield tunnelling in composite formations encounters severe problems with muck conditioning and require improved muck conditioning technology to fulfil expectations for continuous and efficient excavation. In the Nanchang Metro Line 4 Project, a water-rich sand-argillaceous siltstone composite formation is encountered. With a high moisture content and complex composite formation ratio, it is quite difficult to determine the optimum muck conditioning scheme, and thus, muck spewing accidents frequently occur during the tunnelling process.
View Article and Find Full Text PDFGels
December 2024
Key Laboratory of Unconventional Oil & Gas Development, China University of Petroleum (East China), Ministry of Education, Qingdao 266580, China.
The utilization of CO foam gel fracturing fluid offers several significant advantages, including minimal reservoir damage, reduced water consumption during application, enhanced cleaning efficiency, and additional beneficial properties. However, several current CO foam gel fracturing fluid systems face challenges, such as complex preparation processes and insufficient viscosity, which limit their proppant transport capacity. To address these issues, this work develops a novel CO foam gel fracturing fluid system characterized by simple preparation and robust foam stability.
View Article and Find Full Text PDFGels
December 2024
School of Energy and Building Environment, Guilin University of Aerospace Technology, Guilin 541004, China.
In this study, a new environmentally friendly and efficient method for recycling and reusing waste polyurethane sheets is proposed. SiO aerogel was prepared using the sol-gel method, and mullite whiskers were introduced to enhance its toughness. The whisker-toughened aerogel was used in the degradation of waste polyurethane to produce modified recycled polyol, which was subsequently used to prepare recycled polyurethane foam insulation material.
View Article and Find Full Text PDFGels
November 2024
Faculty of Applied Arts, University of Arts in Belgrade, 11000 Belgrade, Serbia.
In sustainable construction and packaging, the development of novel bio-based materials is crucial, driving a re-evaluation of traditional components. Lightweight, biodegradable materials, including xerogels, have great potential in architectural and packaging applications. However, reinforcing these materials to improve their mechanical strength remains a challenge.
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