Fixed-film Anaerobic Digestion of Flushed Dairy Manure after Primary Treatment: Wastewater Production and Characterisation

The influence on biogas production of three slurry-handling systems in dairy farms

“…On the contrary, VS can be compared since expressed as referred to TS. In raw flushed manure, VS were lower than in scraped manure (P<0.001) probably because flushing process was operated by means of stabilised liquid fraction, which had a higher concentration of inert solids (VS=61.7±2.4%), as also observed by Wilkie et al (2004). TS variability within seasons was relatively high with significant differences only between samples collected in summer 2012 and spring 2013.…”

“…Other authors, e.g. Wilkie et al (2004) and Rico et al (2007), obtained interesting results using fixed-film anaerobic digesters. Slatted floor manure was expected to produce a lower amount of methane.…”

Geotextile Filtration Performance for Lagoon Sludges and Liquid Animal Manures Dewatering

“…Due to dilution from large amounts of waste milk and water, the fresh dairy manure was the most dilute of the four materials tested, with an overall average influent TS concentration of 7.14 g L -1 . This TS content was less than the 17 to 38 g L -1 range for other reported flush dairy manure (Chastain et al, 2001b; and slightly more than 3.6 g L -1 reported for milking center wastewater (Wilkie et al, 2004).…”

The Performance of Anaerobic Co-digester of Swine Slurry and Food Waste

“…But, in order to install and operate a biogas production facility at farm scale, feasibility is to be assessed in the technical and economical aspects before installation and the suitable design must be devised in the consideration of the digester loading and the energy generated from the system because the anaerobic facility must be designed to meet the typical characteristics of each farm ). Anaerobic digester for the biogas production of animal manure has been commonly adopted with CSTR or PFR (Wilkie et al, 2004). In order to improve the economical efficiency of biogas facility, the amount of energy produced per unit manure treated should be maximized while the investment and operation costs should be minimized (Karakashev et al, 2005).…”