Document type: | Patente |
Inventor(s): | Milton Ferreira de Souza; Jefferson Benedicto Libardi Liborio; Paulo dos Santos Batista |
Applicant: | Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) ; Universidade de São Paulo (USP) |
Deposit date: | February 2001, 19 |
INPI register: | |
IPC: | C01B 33/18 C01B 33/12 B01D 11/02 C01B 13/32 C01B 13/14 |
The invention concerns a process for the extraction of acid or basic oxides contained in a vegetal matter, more specifically it concerns the extraction of silica from rice husks. The invention also concerns pure oxides extracted from vegetal matter. The invention also concerns the process for the extraction of carbon-rich oxide compositions from vegetal matter, and compositions obtained through said process.
Grantee: | Milton Ferreira de Souza |
Principal Investigator: | Milton Ferreira de Souza |
Institution: | Universidade de São Paulo (USP). Instituto de Física de São Carlos (IFSC) |
Support Opportunities: | Regular Research Grants |