$20 million grant program by ARPA-E aims to jump-start work on climate-friendly fuel.
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Biodegradation of azo dyes by Aspergillus flavus and its bioremediation potential using seed germination efficiency.
BMC Microbiol
January 2025
Department of Biological and Geological Sciences, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt.
The worldwide textile industry extensively uses azo dyes, which pose serious health and environmental risks. Effective cleanup is necessary but challenging. Developing bioremediation methods for textile effluents will improve color removal efficiency.
View Article and Find Full Text PDFSynthesis, crystal structure and Hirshfeld surface analysis of bis-(acetyl-acetonato-κ ,')(2-amino-1-methyl-1-benzimidazole-κ )copper(II).
Acta Crystallogr E Crystallogr Commun
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The title compound, [Cu(CHO)(CHN)], crystallizes in the ortho-rhom-bic space group . In the crystal structure, the Cu ion is coordinated by two acetyl-acetonate ligands and one 2-amino-1-methyl-1-benzimidazole ligand. The crystal structure features intra-molecular N-H⋯O and inter-molecular N-H⋯O hydrogen bonds, which contribute to the overall cohesion of the crystal.
View Article and Find Full Text PDFMicrobial Corrosion of Copper Under Conditions Simulating Deep Radioactive Waste Disposal.
Biology (Basel)
December 2024
Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russia.
This paper presents the results of microbial corrosion tests on M0-grade copper under conditions simulating a geological repository for radioactive waste at the Yeniseisky site (Krasnoyarsk Krai, Russia). The work used a microbial community sampled from a depth of 450 m and stimulated with glucose, hydrogen and sulfate under anaerobic conditions. It was shown that the maximum corrosion rate, reaching 9.
View Article and Find Full Text PDFReview on natural hydrogen wells safety.
Nat Commun
January 2025
School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, China.
Hydrogen is a promising clean energy source with geological reserves widely distributed globally, offering an annual flow exceeding 23 trillion grams. However, natural hydrogen extraction wells face unique safety challenges compared to conventional oil and gas wells. This paper reviews well safety concerns such as tubing/casing damage, cement/sealant failure, and excessive annular pressure buildup.
View Article and Find Full Text PDFEffect of magnetized water on the fundamental grouting properties of cement grout under varying magnetization conditions.
Sci Rep
January 2025
College of Electrical and Information Engineering, Hunan University of Science and Technology, Xiangtan, 411201, Hunan, People's Republic of China.
The development and modification of grouting materials constitute crucial factors influencing the effectiveness of grouting. Given the pivotal role of water in the hydration of cement-based composite materials and construction processes, this study proposes an exploratory approach using green, economical magnetized water technology to enhance the performance of cement grouts. The research systematically investigates the effects of magnetized water on the fundamental grouting properties (stability, rheological behavior, and stone body strength) of cement grouts, prepared under varying magnetization conditions (including magnetic intensity, water flow speed, and cycle times).
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