- Tytuł:
- Selective recovery of lithium from seawater using a novel MnO2 type adsorbent
- Autorzy:
-
Yoshizuka, K.
Fukui, K.
Inoue, K. - Powiązania:
- https://bibliotekanauki.pl/articles/346939.pdf
- Data publikacji:
- 2002
- Wydawca:
- Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydział Technologii i Inżynierii Chemicznej
- Tematy:
-
adsorption
recovering lithium
seawater
manganese dioxide - Opis:
- A novel ?-type manganese dioxide (?-MnO2) adsorbent has been developed for selectively recovering Li+ from seawater. This adsorbent can be prepared from spinel-type lithium di manganese tetra-oxide (LiMn2O4) using ion exchange of Li+ by hydrogen ion. In batch adsorption, ?-MnO2 adsorbent can effectively adsorb Li+ at elevated pH (like seawater; pH=8.1) with quite high selectivity for Li+ vs. Na+ (molar ratio of Li+/Na+ exceeding 800). In chromatographic separation, Li+ can be effectively adsorbed on the adsorbent packed into column, while Na+ is only scarcely adsorbed. In elution stage, Li+ can be concentrated more than 75 times compared to its initial concentration in the feed solution of adsorption stage, while little Na+ was eluted. The molar selectivity coefficient of Li+/Na+ to 2300 can be achieved.
- Źródło:
-
Ars Separatoria Acta; 2002, 1; 79-86
1731-6340 - Pojawia się w:
- Ars Separatoria Acta
- Dostawca treści:
- Biblioteka Nauki