Our recent paper reports that combining red LEDs and sunlight in deep high rate algal ponds has a high potential for digestate treatment where extensive pond areas are prohibitive. A great outcome of our continuing collaboration with lead author and former colleague Cesar Mota, who is now an academic at the Federal University of Minas Gerais in Brazil.
![](https://blogs.ncl.ac.uk/davidwerner/files/2022/06/HRAP-1024x832.jpg)