Contents

**Preface XI**


Palanisamy Selvakumar, Athia Shameem, Katru Umadevi, Boddu Sivaprasad and Ajith Haridas

Chapter 3 **Effect of Hydrodynamic Conditions of Photobioreactors on Lipids Productivity in Microalgae 39** Juan Carlos Robles Heredia, Asteria Narváez García, Alejandro Ruiz

Marin, Yunuen Canedo Lopez, Jose del Carmen Zavala Loria and Julio Cesar Sacramento Rivero

Chapter 4 **The Influence of Microalgae Addition as Co-Substrate in Anaerobic Digestion Processes 59** Bárbara Rincón, María José Fernández-Rodríguez, David de la Lama-Calvente and Rafael Borja
