Screening of Industrial Wastewaters as Feedstock for the Microbial Production of Oils for Biodiesel Production and High-Quality Pigments

Table 1

Initial chemical oxygen demand (COD), total nitrogen content (𝑁_𝑡), and pH value measured in the collected wastewaters.

Wastewater origin	COD (mg L^−1)	𝑁𝑡 (mg L^−1)	pH
Potato processing	13,200	210	7.10
Fruit juice production	1,068	10	8.18
Lettuce processing	885	30.5	7.98