Remediation of soil contamination with heavy metals by using zeolite and humic acid additives | Smago metālu piesārņojuma attīrīšana, izmantojot ceolītu un humīnskābju piedevas
2012
Burlakovs, J., University of Latvia, Riga (Latvia) | Klavins, M., University of Latvia, Riga (Latvia) | Karklina, A., University of Latvia, Riga (Latvia)
English. Soil remediation at contaminated sites very often needs customized approach, because of the differe soil excavation and transporting to hazardous wasteent content of pollutants. Various technologies from simpl landfills to different kinds of remediation by vitrification and the use of additives can be used for the treatment of soil. A series of remediation experiments using zeolites and humic acids were applied to soil contaminated with copper. Remediation can be performed with easily available additive materials of natural origin found near the place of application, in order to diminish the leaching of contaminants. Soils contaminated and spiked with copper were mixed with additives, and ion selective electrode potentiometry was used in order to establish the stability constants of humic-metal complexes. Thus the study provides an opportunity to gain information on the fate of copper variously mixed with potential remediation agents - zeolites and humic acids as additives to contaminated soils.
Show more [+] Less [-]Latvian. Laboratorijā tika veikti smago metālu piesārņojuma imobilizācijas eksperimenti, izmantojot ceolītus un humīnskābes, kas dažādās kombinācijās tika pievienotas ar varu piesārņotai augsnei. Eksperimentos iegūti viegli interpretējami rezultāti attiecībā uz vara kompleksu stabilitātes konstantes izmaiņām atkarībā no pievienotajām augsnes piedevām.
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