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Oil spills in coastal regions of the Arctic and Subarctic: Environmental impacts, response tactics, and preparedness

Author(s): Bi H; Wang Z; Yue R; Sui J; Mulligan CN; Lee K; Pegau S; Chen Z; An C;

Coastal areas of the Arctic and Subarctic are vulnerable to accidental oil spills, impacting the ecosystem, society, and economy. This article provides a comprehensive overview of oil spill pollution issues in cold regions, focusing on environmental impacts, oil transport and fate, coastal/shoreline response measures, and the state of current internationa ...

Article GUID: 39689468


Reduction of Cr(VI) by Bacillus toyonensis LBA36 and its effect on radish seedlings under Cr(VI) stress

Author(s): Tan A; Wang H; Zhang H; Zhang L; Yao H; Chen Z;

Chromium, being among the most toxic heavy metals, continues to demand immediate attention in the remediation of Cr-contaminated environments. In this study, a strain of LBA36 (Bacillus toyonensis) was isolated from heavy metal contaminated soil in Luanchuan County, Luoyang City, China. The reduction and adsorption rates of LBA36 in 30 mg·L-1 Cr-containin ...

Article GUID: 39346031


Emerging hazardous chemicals and biological pollutants in Canadian aquatic systems and remediation approaches: A comprehensive status report

Author(s): Adeola AO; Paramo L; Fuoco G; Naccache R;

Emerging contaminants can be natural or synthetic materials, as well as materials of a chemical, or biological origin; these materials are typically not controlled or monitored in the environment. Canada is home to nearly 7 % of the world's renewable water supply and a wide range of different kinds of water systems, including the Great Lake, rivers, c ...

Article GUID: 39278485


From wastewater to clean water: Recent advances on the removal of metronidazole, ciprofloxacin, and sulfamethoxazole antibiotics from water through adsorption and advanced oxidation processes (AOPs)

Author(s): Gahrouei AE; Vakili S; Zandifar A; Pourebrahimi S;

Antibiotics released into water sources pose significant risks to both human health and the environment. This comprehensive review meticulously examines the ecotoxicological impacts of three prevalent antibiotics-ciprofloxacin, metronidazole, and sulfamethoxazole-on the ecosystems. Within this framework, our primary focus revolves around the key remediati ...

Article GUID: 38685299


Microbially Induced Calcium Carbonate Precipitation as a Bioremediation Technique for Mining Waste

Author(s): Wilcox SM; Mulligan CN; Neculita CM;

Mining waste represents a global issue due to its potential of generating acidic or alkaline leachate with high concentrations of metals and metalloids (metal(loid)s). Microbial-induced calcium carbonate precipitation (MICP) is an engineering tool used for remediation. MICP, induced via biological activity, aims to precipitate calcium carbonate (CaCO3) or ...

Article GUID: 38393202


Surfactant-enhanced mobilization of persistent organic pollutants: Potential for soil and sediment remediation and unintended consequences

Author(s): Bolan S; Padhye LP; Mulligan CN; Alonso ER; Saint-Fort R; Jasemizad T; Wang C; Zhang T; Rinklebe J; Wang H; Siddique KHM; Kirkham MB; Bolan N;

This review aims to provide an overview of the sources and reactions of persistent organic pollutants (POPs) and surfactants in soil and sediments, the surfactant-enhanced solubilisation of POPs, and the unintended consequences of surfactant-induced remediation of soil and sediments contaminated ...

Article GUID: 36265382


Utilization of a biosurfactant foam/nanoparticle mixture for treatment of oil pollutants in soil

Author(s): Vu KA; Mulligan CN;

Oil contamination has become a primary environmental concern due to increased exploration, production, and use. When oil enters the soil, it may attach or adsorb to soil particles and stay in the soil for an extended period, contaminating the soil and surrounding areas. Nanoparticles have been widely used for the treatment of organic pollutants in the soi ...

Article GUID: 35834082


Remediation of oil-contaminated soil using Fe/Cu nanoparticles and biosurfactants

Author(s): Vu KA; Mulligan CN;

BSTRACTOil (or petroleum), consisting of a mixture of hydrocarbons, can be leaked from oil exploration, production, and use. Due to their complex mixture and interaction with the subsurface soil and water, they are hard to treat and can become a significant environmental concern. Rhamnolipid and sophorolipid biosurfactants, biologically produced surfactan ...

Article GUID: 35361056


Rethinking microbial infallibility in the metagenomics era

Author(s): O' Malley MA; Walsh DA;

The 'principle of microbial infallibility' was a mainstay of microbial physiology and environmental microbiology in earlier decades. This principle asserts that wherever there is an energetic gain to be made from environmental resources, microorganisms will find a way to take advantage of the situation. Although previously disputed, this claim was ...

Article GUID: 34160589


Exploration of nanocellulose washing agent for the green remediation of phenanthrene-contaminated soil.

Author(s): Yin J, Huang G, An C, Zhang P, Xin X, Feng R

Polycyclic aromatic hydrocarbons are hazardous contaminants existing ubiquitously in polluted soil. In this study, using nanocellulose (CNC) fluid as an eco-friendly agent was proposed for the first time in the remediation of phenanthrene (PHE) contaminated soil. The effects of environmental factors on the mobilization of PHE in soil by CNC nanofluid was ...

Article GUID: 33264936


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