Biogas plants can effectively treat organic wastes from various sources and recover energy
from biomass for commercial use. However, anaerobic digestion (AD) can suffer from …

Highlights•AD instability is a crucial operational challenge for biogas production.•Process
monitoring can provide stable and efficient biogas production.•Recent and effective AD …

Near-infrared spectroscopy (NIRS) and hyperspectral imaging (HSI) techniques combined
with chemometric method are emerging techniques and have been studied and applied to …

Vegetable waste is one of the major organic residues available for sustainable bioenergy
production. The aim of this work is to study the influence of pH-value on process stability …

Two-stage anaerobic digestion systems are often considered to be advantageous compared
to one-stage processes. Although process conditions and fermenter setups are well …

In many publications, primary fermentation is described as a limiting step in the anaerobic
digestion of fibre-rich biomass [Eastman JA, Ferguson JF. Solubilization of particulacte …

Biomass used in energy conversion processes is typically characterized by high variability,
making its utilization challenging. Therefore, there is a need for a fast and non-destructive …

The aim of this study was to increase the biogas production from different substrates by
applying a mechanical treatment only to the non-degraded digestate after the fermentation …

In this research project Near-infrared spectroscopy (NIRS) was applied to monitor the
content of specific process parameters in anaerobic digestion. A laboratory scaled biogas …

The anaerobic digestibility of various biomass feedstocks in biogas plants is determined with
biochemical methane potential (BMP) assays. However, experimental BMP analysis is time …