Review Aqueous contaminant removal by metallic iron: Is the paradigm shifting?
نویسندگان
چکیده
منابع مشابه
Aqueous contaminant removal by metallic iron: Is the paradigm shifting?
Chemical reduction has long dominated thinking about the mechanism of aqueous contaminant removal in the presence of metallic iron (e.g. Fe/H2O systems). However, a large body of experimental evidence indicates that chemical reduction is not adequate to satisfactorily explain the efficiency of Fe/H2O systems for several substances or classes of substances. By contrast, the alternative approach,...
متن کاملThe fundamental mechanism of aqueous contaminant removal by metallic iron
Contaminant co-precipitation with continuously generated and transformed iron corrosion products has received relatively little attention in comparison to other possible removal mechanisms (adsorption, oxidation, precipitation) in Fe/H2O systems at near neutral pH values. A primary reason for this is that the use of elemental iron (Fe0) in environmental remediation is based on the thermodynamic...
متن کاملTechnologies for Decentralized Fluoride Removal: Testing Metallic Iron-Based Filters
Since the realization in the 1930s that elevated fluoride concentrations in drinking water can have detrimental effects on human health, new methods have been progressively developed in order to reduce fluoride to acceptable levels. In the developing world the necessity for filtration media that are both low-cost and sourced from locally available materials has resulted in the widespread use of...
متن کاملInvestigation of Phenol Removal by Proxy-Electrocoagulation Process with Iron Electrodes from Aqueous Solutions
Background: Phenol as an aromatic hydroxyl compound are considered as a priority pollutant. Because of their stability, solubility in water and high toxicity had health important. Methods: In the present experimental study, electrocoagulation reactor by iron electrodes are used in the presence of hydrogen peroxide to phenol removing from aqueous solutions. Effects of variables including ...
متن کاملShifting the Parallel Programming Paradigm
Multicore computer architectures are now the standard for desktop computers, high-end servers and personal laptops. Due to the multicore shift in computer architecture, software engineers must write multithreaded programs to harness the resources of these parallel machines. Unfortunately, today’s parallel programming techniques are difficult to reason about, highly error-prone and challenging t...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Water SA
سال: 2011
ISSN: 0378-4738
DOI: 10.4314/wsa.v37i3.68493