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Jacob H. Shreckhise and James E. Altland
Phosphorus (P) fertilizers applied to container-grown nursery crops readily leach through pine bark-based substrates and can subsequently runoff and contribute to surface water contamination. The objectives of this research were to determine the effect o...
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Oanamari Daniela Orbulet, Cristina Modrogan and Cristina-Ileana Covaliu-Mierla
The objective of this study was to explore the removal of nitrate ions from groundwater by employing dynamic permeable reactive barriers (PRBs) with A400-nZVI. This research aimed to determine the parameters of the barrier and evaluate its overall capaci...
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Kathleen E. Duncan, Lina E. Dominici, Mark A. Nanny, Irene A. Davidova, Brian H. Harriman and Joseph M. Suflita
Some naval vessels add seawater to carbon steel fuel ballast tanks to maintain stability during fuel consumption. Marine sediments often contaminate ballast tank fluids and have been implicated in stimulating fuel biodegradation and enhancing biocorrosio...
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Geumhee Yun, Sunhwa Park, Young Kim and Kyungjin Han
Slow-releasing tablets combined with persulfate acting as an oxidant and ferrous iron acting as an activator were manufactured for in situ chemical oxidation. The trichloroethylene (TCE) removal efficiency according to the molar ratio of the oxidizer and...
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Ámbar Cerda, Macarena González, Carolina Rodríguez, Jennyfer Serrano and Eduardo Leiva
The excessive deposition of ammonium (reactive nitrogen) in the environment has led to losses of biodiversity and the eutrophication of ecosystems. Anthropogenic sources contribute twice the natural rate of terrestrial reactive nitrogen and provide about...
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Siyuan Liu, Xiao Han, Shaopeng Li, Wendi Xuan and Anlei Wei
For efficient and environmentally friendly removal of nitrate from groundwater, biochar-based nanoscale zerovalent iron composites were prepared, where biochar was derived from pine sawdust at 4 different pyrolysis temperatures. The results show that bio...
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Xiaodi Zheng, Yanguo Teng and Liuting Song
The geochemical study of iron isotopes is of great significance to comprehensively understand the surface material circulation process and its environmental effects in surface and subsurface environments. Eutrophic lakes are an important part of the surf...
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Volodymyr Ivanov, Viktor Stabnikov and Joo Hwa Tay
The wastewater of the industrial production of artificial sweetener sucralose contained an average 1100 mg/L of total organic carbon (TOC) with 2100 mg/L of chemical oxygen demand and 10 mg/L of biological oxygen demand. Biodegradability of the wastewate...
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Haithem Bel Hadjltaief, Ali Sdiri, María Elena Gálvez, Haythem Zidi, Patrick Da Costa and Mourad Ben Zina
This paper describes a simple and low-cost process for the degradation of 4-Chlorophenol (4-CP) from aqueous solution, using natural Tunisian Hematite (M1) and Siderite (M2). Two natural samples were collected in the outcroppings of the Djerissa mining s...
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Bruno Kiilerich, Wilbert Van de Ven, Asbjørn Haaning Nielsen and Jes Vollertsen
Abatement of sulfides in sewer systems using iron salts is a widely used strategy. When dosing at the end of a pumping main, the reaction kinetics of sulfide precipitation becomes important. Traditionally the reaction has been assumed to be rapid or even...
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