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Barbara Casentini, Marco Lazzazzara, Stefano Amalfitano, Rosamaria Salvatori, Daniela Guglietta, Daniele Passeri, Girolamo Belardi and Francesca Trapasso
The worldwide mining industry produces millions of tons of rock wastes, raising a considerable burden for managing both economic and environmental issues. The possible reuse of Fe/Mn-rich materials for arsenic removal in water filtration units, along wit...
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Edual Santos Gutiérrez
Pág. 109 - 124
El presente trabajo de revisión, analítico-reflexivo y fenomenológico, presenta al contador público como esencia y sustancia del «ser», y cuya razón de ser son «las cuentas justas». El contador es el primer valor. Sin su sustancia, no es y, sin ...
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Yinghao Sun and Frank Cheng
Hydrogen embrittlement (HE) of steel pipelines in high-pressure gaseous environments is a potential threat to the pipeline integrity. The occurrence of gaseous HE is subjected to associative adsorption of hydrogen molecules (H2) at specific ?active sites...
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Yuchun Li, Tianlai Fan, Aihua Wang, Jun Zeng, Yubiao Lv, Mingwang Zhang and Dajun Liu
The geochemical characteristics of a 2.1 m BBW25 core, collected from the Beibu Gulf, have been investigated in terms of the major and trace elements, organic matter, and CaCO3 and AMS 14C dating by XRF, ICP-OES, ICP-MS, and more. We have found through p...
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Shu Zhang, Yong Zhang, Gang Huang, Bo Zhang, Yichan Li, Xin Chen, Junkang Xu and Yujie Wei
Granites, widely distributed in the Earth?s crust, undergo pedogenic processes, shaping diverse soil-mantled landscapes influenced by climatic factors in different regions. Investigating the geochemical signatures in granite weathering profiles across va...
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Andrei Zaharia, Valentin Nedeff, Juan A. López-Ramírez, Emilian Mo?negu?u, Narcis Bârsan, Mirela Lehadus-Panaite, Jamroziak Krzysztof and Claudia Tomozei
In recent years, more and more emphasis has been placed on the use of home filtration systems as a coarse pre-filtration step. The PP (polypropylene) filter cartridge is one of the most common of these systems, with the role of retaining solid suspension...
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Koffi Pacome Kouame, Raj Kishan Agrahari, Noren Singh Konjengbam, Hiroyuki Koyama and Yuriko Kobayashi
Abiotic stress is a major cause of the declining crop yield worldwide, especially in tropical agricultural areas. Meeting the global food demand has become a serious challenge, especially in tropical areas, because of soil acidity, Al and Fe toxicity, dr...
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Xin Ma, Lei Zheng, Zifu Li, Lingling Zhang, Shikun Cheng and Xuemei Wang
This study explored the nitrate reduction by Al-Fe alloy. The nitrate conversions of fresh, 30-day and 90-day alloys were 78.1%, 42.8% and 9.5%, respectively. Water activation promoted the reducing ability of the alloy (98% nitrate removal), which was hi...
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Peng Chen, Junfeng Li and Ningning Xie
Magnesium, aluminum, and iron electrode were common anodes in electrocoagulation (EC), but there were few studies comparing the influence of operating parameters on the reaction and the effects of these three different anodes in removing total phosphorus...
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Julio Cesar Minga, Francisco Javier Elorza, Ramon Rodriguez, Alfredo Iglesias and Doris Esenarro
The objective of this study is to evaluate the contamination of water resources in the Parac subbasin. The existing contamination by heavy metals due to the presence of mining companies is of great concern to the population that inhabits the area since h...
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