Figure 1. Preparation of FFA from WCO through saponification and acidification

From

Synthesis of Biodiesel from Waste Cooking Oil

M. Rakib Uddin, Kaniz Ferdous, M. Rahim Uddin, Maksudur R. Khan, M. A. Islam

Chemical Engineering and Science. 2013, 1(2), 22-26 doi:10.12691/ces-1-2-2