Journal: | Quimica nova |
Database: | PERIÓDICA |
System number: | 000313304 |
ISSN: | 0100-4042 |
Authors: | Paim, Lilian Aparecida1 Carvalho, Ruy Abreu, Celeste Maria Patto Guerreiro, Mario Cesar |
Institutions: | 1Universidade Federal de Lavras, Departamento de Quimica, Lavras, Minas Gerais. Brasil |
Year: | 2006 |
Season: | Feb |
Volumen: | 29 |
Number: | 1 |
Pages: | 28-33 |
Country: | Brasil |
Language: | Portugués |
Document type: | Artículo |
Approach: | Experimental, aplicado |
English abstract | This study was developed with a soil contaminated by heavy metals, with the purpose of evaluating the action of silicon and phosphorus as protection agents through simple extractions by DTPA. The collected samples were prepared and incubated with five doses of silicon and five doses of phosphorus, with four replicates, amounting to 100 experimental units. After 30 and 60 days, samples of each treatment were collected, submitted to pH analyses and simple extraction by DTPA. The amounts of DTPA-extracted metals depended on the doses of silicon and phosphorus and on the pH. Treatments with silicon and phosphorus was efficient in decreasing the availability of heavy metals in soil |
Disciplines: | Ingeniería |
Keyword: | Ingeniería metalúrgica, Recuperación de metales, Metales pesados, Efecto protector, Silicio, Fósforo |
Keyword: | Engineering, Metallurgical engineering, Metal recovery, Heavy metals, Protective effect, Silicon, Phosphorus |
Full text: | Texto completo (Ver HTML) |