This trial biodiesel plant is engineered to process acid oil feedstock, a cost-effective alternative, into high-quality biodiesel. Its innovative design incorporates an automatic crystallization system, a crucial feature for enhancing the fuel's cold flow properties. This advanced process ensures the production of "low freeze" biodiesel, making it suitable for use in colder climates where conventional biodiesel might gel. The plant's automated operation streamlines the conversion process, from acid oil pre-treatment to the final purification steps, aiming for efficiency and consistent product quality. This setup is ideal for testing and optimizing the production of cold-weather-resistant biodiesel from challenging feedstocks.