Global research trends on anaerobic digestion and biogas production from cassava wastewater: a bibliometric analysis

Abstract

The cassava processing chain is potentially sustainable and can actively contribute in the change towards the circular economy. The present article aimed at assessing global scientific research trends on anaerobic treatment of wastewater originating from cassava processing. In this regard, a bibliometric analysis of anaerobic digestion and biogas production of wastewater from cassava processing was carried out within the period between 1980 and 2020, using the Scopus database. The results showed that the interest of research on the subject grew exponentially from 2001, being mainly focused on the recovery of by‐products such as methane, biogas, hydrogen, bio‐oil, bioethanol, propionic acid and butyric acid. Full‐scale anaerobic wastewater treatment already is carried out in countries such as India, China and Thailand, and has been explored largely in developing countries. The studies demonstrated that wastewater bioconversion is an attractive solution, with widespread full‐scale applications. The authors of the present work expect that new publications on environmental and economic sustainability of the processing industry of cassava by‐products will contribute to the sector's development towards a green and low‐carbon economy. © 2021 Society of Chemical Industry (SCI).

Quantitative and Qualitative Changes in the Genetic Diversity of Bacterial Communities in Anaerobic Bioreactors with the Diatomaceous Earth/Peat Cell Carrier

“…Nowadays, the anaerobic digestion (AD) process is seen as a reliable and integrated system for environmental protection and energy security, reducing problems associated with the accumulation of organic waste [ 1 , 2 ]. AD is a biotechnological process assisted by syntrophic microorganisms leading to the controlled bioconversion of organic waste into biomethane, which is then converted in cogenerators enabling the generation of electricity and heat.…”

Special Issue: biotechnology advances in Latin America

“…is about circular bioeconomy in the production of fucoxanthin from aquatic biomass addressing extraction methodologies, applications and challenges in this field. The second review by Santos et al 3 . presents the global research trends on anaerobic digestion and biogas production from cassava wastewater.…”

“…Two review papers are also included, the first one by Sarmiento-Padilla et al 2 is about circular bioeconomy in the production of fucoxanthin from aquatic biomass addressing extraction methodologies, applications and challenges in this field. The second review by Santos et al 3 presents the global research trends on anaerobic digestion and biogas production from cassava wastewater. In this work, the authors present the cassava processing chain as an example of circular economy focusing on the potential recovery of methane, hydrogen, biooil, bioethanol, propionic acid and butyric acid.…”