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| http://dx.doi.org/10.1093/tas/txaa110 | DOI Listing |
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Energy and climate policy implications on the deployment of low-carbon ammonia technologies.
Nat Commun
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Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, MA, USA.
The economic feasibility of low-carbon ammonia production pathways, such as steam methane reforming with carbon capture and storage, biomass gasification, and electrolysis, is assessed under various policy frameworks, including subsidies, carbon pricing, and renewable hydrogen regulations. Here, we show that employing a stochastic techno-economic analysis at the plant level and a net present value approach under the US Inflation Reduction Act reveals that carbon capture and biomass pathways demonstrate strong economic potential due to cost-effectiveness and minimal public support needs. Conversely, the electrolytic pathway faces significant economic challenges due to higher costs and lower efficiency.
View Article and Find Full Text PDFNitrogen-Doped Graphene Aerogel toward Efficient Solar Steam Generation: Synergistic Effects of Thermal Conductivity and Wettability.
Langmuir
January 2025
College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin 150040, China.
Solar-driven interfacial evaporation technology is regarded as a promising strategy for global freshwater shortage owing to its green and sustainable desalination process. Graphene aerogel (GA) is widely utilized in the design of solar-driven steam generation systems due to its excellent photothermal conversion efficiency and broad spectral absorption. Given the significant impact of hydrophilicity and thermal insulation on the performance of evaporators, nitrogen doping in the graphene structure not only effectively enhances its wettability but also allows for moderate tuning of its thermal conductivity, thereby optimizing the overall performance of the evaporator.
View Article and Find Full Text PDFSteam explosion treatment for improving the quality of Xuehua pear soup: Components profile, antioxidant and anti-inflammatory activity in vitro, its flavor and metabolomics study.
Food Chem
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College of Food Science and Technology, Hebei Agricultural University, Baoding, China. Electronic address:
In this study, steam explosion (SE) was applied to produce Xuehua pear soup (XPS) at different steam explosion pressure. The results showed that 0.3-0.
View Article and Find Full Text PDFEfficient pressure regulation in nonlinear shell-and-tube steam condensers via a Novel TDn(1 + PIDn) controller and DCSA algorithm.
Sci Rep
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ENET Centre, VSB-Technical University of Ostrava, Ostrava, 708 00, Czech Republic.
Steam condensers are vital components of thermal power plants, responsible for converting turbine exhaust steam back into water for reuse in the power generation cycle. Effective pressure regulation is crucial to ensure operational efficiency and equipment safety. However, conventional control strategies, such as PI, PI-PDn and FOPID controllers, often struggle to manage the nonlinearities and disturbances inherent in steam condenser systems.
View Article and Find Full Text PDFStudy on metabolic disorders in rat liver induced by different times after scalds.
Biochem Biophys Rep
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Basic Medical Laboratory, People's Liberation Army Joint Logistic Support Force 920th Hospital, Kunming City, Yunnan Province, China.
Previous studies have confirmed that burns and scalds can lead to metabolic disorders in the liver. However, the effects of severe burns at various time points on liver lipid metabolism disorders, as well as the relationship between these disorders and liver function, metabolism, and infection, have not yet been investigated.This study established a SD rat scald model, macroscopic observation of weight changes, histological staining, Western blot detection of fat browning and metabolic indicators, reverse transcription quantitative polymerase chain reaction analysis of the expression of liver new fat generation genes, determination of liver function and inflammatory indicators.
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