نتایج جستجو برای: remediation technologies

تعداد نتایج: 213148  

Journal: :E3S web of conferences 2023

Soil contamination is a major threat to the sustainability of agricultural fields and safety food production. This paper presented remediation techniques, including surface covering, encapsulation, thermal restoration, stabilization, solidification, phytoremediation, bioremediation, combined remediation. Bioremediation, which uses microorganisms break down contaminants, has gained popularity du...

2017

This chapter provides a general overview of physical–chemical wastewater remediation systems in the food industry. Water reuse systems are becoming more and more interesting and promising technologies, depending on merely quantitative estimations, physical and chemical features of pollutants and the variability of these characteristics, week after week. Different systems are available for the f...

2018

This chapter provides a general overview of physical–chemical wastewater remediation systems in the food industry. Water reuse systems are becoming more and more interesting and promising technologies, depending on merely quantitative estimations, physical and chemical features of pollutants and the variability of these characteristics, week after week. Different systems are available for the f...

Journal: :Environmental science & technology 2012
Hans F Stroo Andrea Leeson Jeffrey A Marqusee Paul C Johnson C Herb Ward Michael C Kavanaugh Tom C Sale Charles J Newell Kurt D Pennell Carmen A Lebrón Marvin Unger

Chlorinated solvents such as trichloroethene (TCE) and tetrachloroethene (PCE) are widespread groundwater contaminants often released as dense nonaqueous phase liquids (DNAPLs). These contaminants are difficult to remediate, particularly their source zones. This review summarizes the progress made in improving DNAPL source zone remediation over the past decade, and is structured to highlight th...

Journal: :Advances in experimental medicine and biology 2010
Andrea Franzetti Elena Tamburini Ibrahim M Banat

Many microorganisms synthesize a wide range of surface active compounds (SACs), classified according to their molecular weights, properties and localizations. The low molecular weight SACs or biosurfactants lower the surface tension at the air/water interfaces and the interfacial tension at oil/water interfaces, whereas the high molecular weight SACs, also known as bioemulsifiers, are more effe...

Journal: :L'Encephale 2009
J Sablier E Stip N Franck

BACKGROUND Cognitive impairments are a core feature in schizophrenia. They impact several cognitive abilities but most importantly attention, memory and executive functions, consequently leading to great difficulties in everyday life. Most schizophrenia patients need assurance and require assistance and help from care workers, family members and friends. Family members taking care of a patient ...

2008
Kevin B. Hallberg

Water draining abandoned mines or mine sites is often acidic and contains relatively high concentrations of dissolved metals and sulfate. Such water (AMD) arises from the oxidative dissolution of sulfidic minerals, such as iron pyrite (FeS2), exposed by mining activities. As AMD production can occur over a very long time scale, passive remediation systems are becoming increasingly important in ...

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