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Updated: Jul 9, 2026

Resource Recycling of Red Soil to Synthesize Fe2O3/FAU-type Zeolite Composite Material for Heavy Metal Removal
Published on: June 2, 2022
Immobilization of selected heavy metals in sewage sludge by natural zeolites
Przemysław Kosobucki1, Magdalena Kruk, Bogusław Buszewski
1Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, NCU, 7 Gagarin Street, 87-100 Toruń, Poland.
Abstract:
This contribution presents the possibility of application of natural sorbent (Transcarpathian clinoptylolite (KL)) for immobilization of selected heavy metals in the sewage sludge. The influence of ion-exchange parameters (e.g. time, amount of zeolite) were discussed. Process of immobilization was performed using a static method (Batch). It was found that best possible conditions for immobilization of heavy metal ions were as follows: zeolite fraction 0.7-1.0mm, 5h of shaking, zeolite/sewage sludge ratio 2/98.
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