Removal of copper from aqueous solution by Ascophyllum nodosum immobilized in hydrophilic polyurethane foam

Article Abstract:

The immobilization technique is analyzed by comparing the uptake capacity and adsorption rate of a known heavy metal biosorbent immobilized in hypol foam compared to free non-immobilized biomass. Ascophyllum nodosum was chosen as the test biomass, due to its ability to adsorb heavy metals and the effect on performance of varying controllable factors in the foam manufacturing process was determined.

Urethane Resins, Urethane Resins ex Elastomer & Foam, Analysis, Copper, Polyurethanes, Chemical properties, Immobilized enzymes

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Life cycle assessment of EPS and CPB inserts: Design considerations and end of life scenarios

Article Abstract:

The environmental impacts of the production and disposal of expanded polystyrene (EPS) and corrugated paperboard (CPB) materials is investigated and compared. Life cycle assessment (LCA) is introduced as a useful tool to compare the environmental performance of both EPS and CPB through out their life cycle stages.

Science & research, Paperboard mills, Polystyrene, Corrugating Medium, Styrene Resins, Polystyrene Resins NEC, Research, Corrugated paperboard, Corrugated board

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Removal of Cr(VI) from Cr-contaminated groundwater through electrochemical addition of Fe(II)

Article Abstract:

The efficiency of using conventional chemical reduction-precipitation techniques and electrochemical method to remove Cr(VI) from contaminated groundwater is discussed.

Administration of Air and Water Resource and Solid Waste Management Programs, Water Pollution Control, Methods, Evaluation, Comparative analysis, Electrochemical analysis, Electrostatic precipitation

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