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Janja Svetina, Joerg Prestor, Brigita Jamnik, Primo? Auersperger and Mihael Brencic
Urban areas can significantly alter the quality status of aquifers if appropriate strategies to prevent and detect groundwater contamination are not implemented in time. The prevention of groundwater contamination should be a priority due to its potentia...
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Heng Li, Junpeng Hua, Ranran Li, Yan Zhang, Huanhuan Jin, Shijing Wang and Guoyin Chen
Since ferric tetroxide (Fe3O4) has strong magnetic properties, coating amorphous silica (SiO2) with Fe3O4 nanoparticles can protect the magnetic Fe3O4 particles and form a new magnetic adsorbent with a core?shell structure and small pore size, the strong...
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Fernanda Martins Queiroz, Aline de Fátima Santos Bugarin, Victor Hugo Ayusso, Maysa Terada and Isolda Costa
The AA 2198-T851 is a third-generation Al-Li alloy developed for use in the aircraft industry. Al-Li alloys are susceptible to localized corrosion due to their complex microstructure resulting from the used thermomechanical treatment. In order to prevent...
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Youli Qiu, Yu Liu, Min Wu, Jie Li, Ruimin He, Chunming Hao, Xing Fan and Chaoxing Sun
The composition of emulsion is complex. In the process of coal mining, the emulsion required by the hydraulic equipment can enter the mine water through a variety of channels, thereby affecting the water quality of the mine. In this study, the mine water...
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Wei Song, Jian Xu, Lepeng Gao, Qingzhu Zhang, Jin Tong and Lili Ren
Novel porous chitosan microspheres were successfully produced by a freezing?lyophilization drying method in this study and were then used as adsorbents to remove a toxic iron metal, hexavalent chromium (Cr(VI)). The effects of the concentration of the ch...
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Soumyajit Guha, Sampa Debnath, Saswati Gayen
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Leone Mazzeo, Irene Bavasso, Maria Paola Bracciale, Marco Cocchi, Luca Di Palma and Vincenzo Piemonte
Yerba mate (Ilex paraguarensis, YM) was used as biomaterial for the removal of anionic and cationic compounds from wastewater. Chromium hexavalent Cr(VI), Remazol brilliant blue (RBB) and methylene blue (MB) were selected as pollutants. A calcination ste...
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Angelo Fenti, Simeone Chianese, Pasquale Iovino, Dino Musmarra and Stefano Salvestrini
Hexavalent chromium (Cr(VI)) in water systems is a major hazard for living organisms, including humans. The most popular technology currently used to remove Cr(VI) from polluted water is sorption for its effectiveness, ease of use, low cost and environme...
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Adriana Estokova, Lenka Palascakova and Maria Kanuchova
This paper reports an experimental study on hexavalent chromium leaching from cement samples and cement composites containing silica fume and zeolite additions that were subjected to various leaching agents. The water-soluble Cr(VI) concentrations in cem...
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Marius Gheju
Hexavalent chromium (CrVI) compounds are used in a variety of industrial applications and, as a result, large quantities of CrVI have been released into the environment due to inadequate precautionary measures or accidental releases. CrVI is highly toxic...
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