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Aigul Koizhanova, Bagdaulet Kenzhaliyev, David Magomedov, Emil Kamalov, Mariya Yerdenova, Akbota Bakrayeva and Nurgali Abdyldayev
This paper provides an overview of hydrometallurgical copper extraction studies in which liquid extraction technology has been used with four copper deposits of different compositions. The sulfuric acid consumption rate and copper extraction efficiency, ...
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Yafeng Zhang, Juncheng Die, Fei Li, Hai Li, Jinchun Tu, Kexi Zhang and Xiaolong Yu
The search for lightweight and low-cost anticorrosion coatings is particularly important in coastal environments with high salt and humidity. Graphene-based anticorrosion coatings are currently unable to provide long-lasting corrosion protection for meta...
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Anna Sabbatini, Francesca Caridi, Giovanni Birarda, Elisa Costanzi, Adolfo Amici, Giovanna Mobbili, Carla Buosi, Giovanni De Giudici, Daniela Medas and Alessandra Negri
The most often dispersed environmental pollutants that are released both directly and indirectly into the environment that may eventually reach aquatic ecosystems and contaminate aquatic biomes are cigarette butts (CBs). Toxicants such as nicotine, dange...
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Junjie Cai, Shengpeng Hu, Hongbing Liu, Danyang Lin, Wei Fu and Xiaoguo Song
Dissimilar materials brazing of Ti2AlNb alloy to GH99 superalloy is of great pragmatic importance in the aerospace field, especially the lightweight space aircraft components manufacturing. In this work, TiZrCuNi amorphous filler alloy was used as brazin...
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Francesca Nardelli, Emilia Bramanti, Alessandro Lavacchi, Silvia Pizzanelli, Beatrice Campanella, Claudia Forte, Enrico Berretti and Angelo Freni
We investigated the thermal stability and corrosion effects of a promising ionic liquid (IL) to be employed as an advanced heat transfer fluid in solar thermal energy applications. Degradation tests were performed on IL samples kept in contact with vario...
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Kranthi Kumar Maniam, Raghuram Chetty, Ravikumar Thimmappa and Shiladitya Paul
Fuel cells are a key enabling technology for the future economy, thereby providing power to portable, stationary, and transportation applications, which can be considered an important contributor towards reducing the high dependencies on fossil fuels. El...
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Francisco Muñoz-Arriola and José Vinicio Macías-Zamora
Porphyrins are highly persistent in the environment and represent a helpful biogeochemical attribute to assess the spatial distribution of the effects of oil spills on ecosystems and their resilience. In areas prone to natural and human-originated oil sp...
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Zhaowei Wang, Bo Li, Yuanshu Sun and Wenchao Yang
There are more than 150 ports in China and a considerable proportion of dredged sediments in ports and waterways are contaminated with heavy metals as the typical contaminants. It is mandatory to remediate the contaminated dredged sediments prior to furt...
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Sara Seager, Janusz J. Petkowski, Christopher E. Carr, Sarag J. Saikia, Rachana Agrawal, Weston P. Buchanan, David H. Grinspoon, Monika U. Weber, Pete Klupar, Simon P. Worden, Iaroslav Iakubivskyi, Mihkel Pajusalu, Laila Kaasik and on behalf of the Venus Life Finder Mission Team
For over half a century, scientists have contemplated the potential existence of life within the clouds of Venus. Unknown chemistry leaves open the possibility that certain regions of the Venusian atmosphere are habitable. In situ atmospheric measurement...
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Jessica M. M. Adams, S. Michael Morris, Laura Steege, Joanne Robinson and Charles Bavington
Using brown seaweed kelp species Saccharina latissima and Laminaria digitata as feedstocks, a set of pilot-scale macroalgae processing batches were conducted (50?200 kg per batch) for the production of a range of food-grade liquid and solid fractions. Th...
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