Modeling of copper biosorption by Arthrobacter sp. in a UF/MF membrane reactor

Article Abstract:

The following research examines copper biosorption by Arthrobacter sp. In an effort to combine cells, a ultrafiltration/microfiltration (UF/MF) reactor was utilized. The use of biosorption as an alternative for removal of toxic metals from wastewater is based on the metal binding capabilities of biological materials like bacteria, yeast, fungi, plant biomaterial and algae, has been a topic of extensive research.

Italy, Usage, Filtration

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Thermodynamics of extraction of copper(II) from aqueous solutions by chelation in supercritical carbon dioxide

Article Abstract:

Experimental results testing the efficiency of copper extraction from wastewater in the presence of a chelating agent at various carbon dioxide pressures and temperatures and at various molar amounts of copper and the chelating agent found that the thermodynamic model developed to predict extraction efficiencies was valid. The study found that hexafluoroacetylacetone, the chelating agent, was at most 60% effective in achieving copper extraction.

Models, Chelating agents, Thermodynamics, Decontamination (from gases, chemicals, etc.), Decontamination, Extraction (Chemistry)

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Metal Binding Stoichiometry and Isotherm Choice in Biosorption

Article Abstract:

Researchers in China examined the possible use of three brown algae to remove heavy metals from wastewater.

China, Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Pollutants produced & recycled, Nickel, Other Marine Fishing, Miscellaneous marine products, Seaweed & Algae, Pollution, Heavy metals, Marine algae

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