Inhibition mitigation of methanogenesis processes by conductive materials: A critical review

Yin, Qidong; Gu, Mengqi; Wu, Guangxue

doi:10.1016/j.biortech.2020.123977

Cited by 66 publications

(23 citation statements)

References 122 publications

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“…In general, methane inhibition occurs with the accumulation of H2generated, which can change the production pattern of volatile fatty acids (VFA) and H2 balance (Rooke et al, 2014;Capelari, 2018). To date, numerous methane production inhibitors have been investigated for their methanogenesis reducing potentials (Patra et al, 2017;Sharifi et al, 2019;Yin et al, 2020). Nevertheless, mitigating the methane production by these compounds would lead to increased H2 and decreased acetate accumulations along with compensatory increases in accumulations of fermented acids such as propionate or butyrate (Oh et al, 2017;Zhang et al, 2018;Lan and Yang, 2019).…”

Section: Graphical Abstractmentioning

confidence: 99%

Nitrate supplementation at two forage levels in dairy cows feeding: milk production and composition, fatty acid profiles, blood metabolites, ruminal fermentation, and hydrogen sink

Sharifi

Taghizadeh

Hosseinkhani

et al. 2022

Annals of Animal Science

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Nitrate may reduce the ruminal methane emission by competing methanogenesis to achieve more hydrogen. For this purpose, twenty Holstein lactating cows were examined using a 2×2 factorial design in 4 groups for 60 days with two forage levels (40% and 60%) and supplemental nitrate 0% (F40 and F60) and 3.5% (F40N and F60N) of diet dry matter (DM). Then, the effect of nitrate and forage levels on cow performance, ruminal fermentation, methane emission, and metabolic hydrogen sink were evaluated. The nitrate supplementation did not significantly affect milk yield and ECM/DMI while, milk urea nitrogen was increased. Lowest quantity of milk vitamins (A and E) was observed in nitrate groups. The nitrate supplementation increased c9-C18:1, unsaturated fatty acids, and n-6/n-3 contents of the milk. Blood parameters were affected by nitrate supplementation. Blood met-Hb concentration was increased, while blood glucose was decreased in nitrate groups. High forage and nitrate fed animals (F60N) had higher ruminal acetate and lower propionate concentration, and higher acetate+butyrate to propionate ratio than other groups. Nitrite and NH3-N concentrations were higher in the rumen of nitrate fed animals. Nitrate supplementation inhibited gas volume and methane emission without affecting volatile fatty acids at 12 and 24 h of incubation. The H2 balance, H2 production and consumption, and recovery percentage were significantly lower in F60N group. In conclusion, nitrate supplementation can be employed as an alternative strategy for improving ruminal fermentation, milk quality and methane inhibition.

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Section: Graphical Abstractmentioning

confidence: 99%

Nitrate supplementation at two forage levels in dairy cows feeding: milk production and composition, fatty acid profiles, blood metabolites, ruminal fermentation, and hydrogen sink

Sharifi

Taghizadeh

Hosseinkhani

et al. 2022

Annals of Animal Science

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“…Additionally, the availability of NH 4 + in our samples at the beginning of the incubation may transiently inhibit the CH 4 oxidation capacity of the soil. Due to competition with nitrifiers, additional NH 4 + could lead to an inhibition of the CH 4 monooxygenase (Malyan et al 2016;Singh and Seneviratne 2017;Bodelier et al 2019) and/or to a reduced CH 4 production by methanogens (Yin et al 2020).…”

Section: Greenhouse Gas Emissions and Total Mean Cumulative Ghg Emissionsmentioning

confidence: 99%

Steering microbiomes by organic amendments towards climate-smart agricultural soils

Brenzinger

Costa

et al. 2021

Biol Fertil Soils

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We steered the soil microbiome via applications of organic residues (mix of cover crop residues, sewage sludge + compost, and digestate + compost) to enhance multiple ecosystem services in line with climate-smart agriculture. Our result highlights the potential to reduce greenhouse gases (GHG) emissions from agricultural soils by the application of specific organic amendments (especially digestate + compost). Unexpectedly, also the addition of mineral fertilizer in our mesocosms led to similar combined GHG emissions than one of the specific organic amendments. However, the application of organic amendments has the potential to increase soil C, which is not the case when using mineral fertilizer. While GHG emissions from cover crop residues were significantly higher compared to mineral fertilizer and the other organic amendments, crop growth was promoted. Furthermore, all organic amendments induced a shift in the diversity and abundances of key microbial groups. We show that organic amendments have the potential to not only lower GHG emissions by modifying the microbial community abundance and composition, but also favour crop growth-promoting microorganisms. This modulation of the microbial community by organic amendments bears the potential to turn soils into more climate-smart soils in comparison to the more conventional use of mineral fertilizers.

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“…In the presence of CMs, the lag phase has been reported to decrease by 10-75% (Luo et al Although CM addition has mainly reported to enhance AD performance and alleviated the inhibition impact by pH, VFA, ammonia, and sulfate concentrations, a few recently studies reported the negative impact of CMs when exploring some new materials (Yin et al 2020).…”

Section: Performance Of Ad With CM Additionmentioning

confidence: 99%

Promotion of direct interspecies electron transfer and potential impact of conductive materials in anaerobic digestion and its downstream processing - a critical review

Nguyen

Johir

et al. 2021

Bioresource Technology

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Inhibition mitigation of methanogenesis processes by conductive materials: A critical review

Cited by 66 publications

References 122 publications

Nitrate supplementation at two forage levels in dairy cows feeding: milk production and composition, fatty acid profiles, blood metabolites, ruminal fermentation, and hydrogen sink

Nitrate supplementation at two forage levels in dairy cows feeding: milk production and composition, fatty acid profiles, blood metabolites, ruminal fermentation, and hydrogen sink

Steering microbiomes by organic amendments towards climate-smart agricultural soils

Promotion of direct interspecies electron transfer and potential impact of conductive materials in anaerobic digestion and its downstream processing - a critical review

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