Bioaugmentation with marine sediment-derived microbial consortia in mesophilic anaerobic digestion for enhancing methane production under ammonium or salinity stress

Salinity Inhibition in Thermophilic Anaerobic Digestion of Organic Waste

“…Gao et al [26] Deep insights into the anaerobic co-digestion of waste activated sludge with concentrated leachate under different salinity stresses Guo et al [27] Research progress of high-salinity wastewater treatment technology Van Duc et al [28] Bioaugmentation with marine-derived microbial consortia in mesophilic anaerobic digestion for enhancing methane production under ammonium or salinity stress Alhraishawi and Aslan [29] Effect of salt content on biogas production and microbial activity Gagliano et al [30] Microbial community drivers in anaerobic granulation at high salinity Mazioti and Vyrides [31] Anaerobic digestion of high strength bilgewater with granular sludge: confronting salinity and investigating biomass adaptation Da Borso et al [32] Biomethane potential of sludges from a brackish water fish hatchery…”

“…Following the pilot experiments with the developed salt-resistant biomass, we plan to use it as a source of microorganisms for bioaugmentation of anaerobic digestion processes on an industrial scale where high salinity substrates are degraded under thermophilic conditions like waste from the fish industry and food waste. Successful bioaugmentation experiments under mesophilic conditions were conducted by Van Duc et al [28], using microbial consortia derived from marine sediments to reduce inhibition of methane production under NaCl stress. There is almost no way to find natural microbial consortia for bioaugmentation of thermophilic digestion processes, but there is a way to develop them, as shown in the present work and proposed in one of the recent articles on high salinity wastewater treatment technology [48].…”

Unlocking the potential of sugarcane leaf waste for sustainable methane production: Insights from microbial pre-hydrolysis and reactor optimization

“…Bioaugmentation, involving the addition of specific microorganisms to AD, has shown potential in enhancing production yields and reducing fermentation durations [ 12 , 13 ]. Studies by Duc et al [ 12 ] demonstrate increased methane production under stress conditions, highlighting the capability of bioaugmentation to improve stability and reduce inhibition.…”

“…Bioaugmentation, involving the addition of specific microorganisms to AD, has shown potential in enhancing production yields and reducing fermentation durations [ 12 , 13 ]. Studies by Duc et al [ 12 ] demonstrate increased methane production under stress conditions, highlighting the capability of bioaugmentation to improve stability and reduce inhibition. Additionally, introducing microorganisms capable of producing lignocellulolytic enzymes can accelerate hydrolysis rates and increase methane production [ [14] , [15] , [16] , [17] ].…”

Monitoring of a microbial community during bioaugmentation with hydrogenotrophic methanogens to improve methane yield of an anaerobic digestion process

“…The bioaugmentation technique is defined as the use of microorganisms grown independently (pure cultures, defined mixed cultures, or consortia) which are added to a biological system to improve the process (Fotidis et al 2014 ; Lebiocka et al 2018 ). This approach has been used for several purposes relieving overloaded anaerobic digesters (Tale et al 2011 ; Li et al 2018 ), alleviating ammonia inhibition and salinity stress (Wang et al 2023 ; Duc et al 2023 ), and enhancing methane production (Zhang et al 2015 ; Aydin 2016 ; Strang et al 2017 ).…”