The biodiesel washings were performed using distilled water and 0.2 wt.% hydrochloric acid (prepared from hydrochloric acid 37%, A. C. S. reagent, from Aldrich).
The biodiesel washings were performed using distilled water and 0.2 wt.%hydrochloric acid (prepared from hydrochloric acid 37%, A. C. S. reagent, from Aldrich).