Process Monitoring and Control for an Anaerobic Covered Lagoon Treating Abattoir Wastewater

Abstract

This study presents results from lab‐scale studies and highlights issues related to process monitoring equipment and analytical methods at the field scale. This includes the evaluation of data from on‐site online sensors and sample analyses as well as results from discontinuous and continuous digestion tests in a biogas laboratory. The results demonstrate the influence of the organic loading and wastewater composition on process stability, sludge activity, and biogas production. Key recommendations for plant operation include the avoidance of strong fluctuations in input volume and concentration, to ensure good functioning of online sensors, and to adapt the management of the different wastewater streams according to their characteristics.

Biorefining of corn stover for efficient production of bioethanol, biodiesel, biomethane, and value-added byproducts

“…The theoretical methane production yield from pure lipids, proteins, and carbohydrates are 1014, 496, and 415 mL per g of volatile solids, respectively [73]. According to the composition of whole cells of M. indicus (lipid 20 %, protein 56 %, and carbohydrates 11 %), the theoretical yields of methane production were 526.2 mL g -1 VS and 414.5 mL g -1 VS for whole and defatted cells (protein 66 % and carbohydrate 21 %) respectively.…”

Process Optimisation of Anaerobic Digestion Treating High-Strength Wastewater in the Australian Red Meat Processing Industry

“…Consistent feedstock and digester parameters are essential for stable and reliable operation of an anaerobic digestion plant [12]. However, RMP facilities are highly dynamic environments; variation in waste production occurs seasonally, weekly, daily, shift-to-shift, as well as with respect to the species processed [39].…”

“…The greenhouse gas emissions averaged at 432 kg of carbon dioxide equivalent emissions (CO 2 -e) per t HSCW produced, resulting in an industry-wide contribution of 1,330,000 t CO 2 -e in 2018 [5]. [12]. BOD = biochemical oxygen demand; TSS = total suspended solids; VSS = volatile suspended solids; N = nitrogen; NOx = oxides of nitrogen; NH 4 -N = ammonium as nitrogen; P = phosphorus; VFA = volatile fatty acids; DAF = dissolved air flotation.…”

Methodical Aspects of Biogas Production in Small-Volume Bioreactors in Laboratory Investigations

“…Hence, the importance of research on the methodology of biogas production in small volumes. An example here may be seen in the latest literature, which addresses the subject of research in the laboratory scale of anaerobic digestion [39][40][41][42][43].…”