- Tytuł:
- Effects of combined Fe-Al electrodes and groundwater temperature on arsenic removal by electrocoagulation
- Autorzy:
-
Mohora, Emilijan
Rončević, Srđjan
Agbaba, Jasmina
Zrnić, Kristiana
Tubić, Aleksanda
Adžemović, Mesud
Dalmacija, Božo - Powiązania:
- https://bibliotekanauki.pl/articles/207130.pdf
- Data publikacji:
- 2019
- Wydawca:
- Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
- Tematy:
-
arsenic
electrocoagulation
groundwater
EC reactor
arsen
elektrokoagulacja
wody gruntowe
reaktor EC - Opis:
- The removal of arsenic from groundwater by continuous electrocoagulation (EC) using combined Fe-Al electrodes at its natural temperature (16.1±0.2 °C) was comprehensively evaluated. The results obtained indicated that all studied Fe-Al electrode combinations were able to reduce As concentration below 10 μg/dm3. Nevertheless, the Fe-Fe-Al-Fe electrode combination was the most suitable due to its highest arsenic removal capacity (0.354 μg As/C) for the lowest charge loading 68.4 C/dm3. The consumption of Fe was 0.0339 kg Fe/m3 and of Al electrodes 0.0145 kg Al/m3. The operating cost was estimated at 0.182 €/m3. The increase of the groundwater temperature by 8 °C from its natural temperature influenced increase of the Fe and Al electrodes dissolution rate by 30% and 17%, respectively and that of As removal efficiency by 16%. The residual Fe and Al concentrations in 500 dm3 of treated groundwater were below WHO guideline values for drinking water. Long-term field operation of the pilot-scale continuous EC reactor is required to validate effectiveness, reliability and robustness of the EC technique for arsenic removal from groundwater confirmed in laboratory conditions.
- Źródło:
-
Environment Protection Engineering; 2019, 45, 2; 5-18
0324-8828 - Pojawia się w:
- Environment Protection Engineering
- Dostawca treści:
- Biblioteka Nauki
Artykuł