Mesophilic methane fermentation of chicken manure at a wide range of ammonia concentration: Stability, inhibition and recovery

Niu, Qigui; Qiao, Wei; Qiang, Hong; Hojo, Tomohiko; Li, Yu You

doi:10.1016/j.biortech.2013.03.080

Cited by 188 publications

(73 citation statements)

References 28 publications

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“…Compared to digestion of CM, co-digestion of CM and RS could promote biogas production. In a study by Niu et al [19], in which CM was used as a digestion substrate, SBP was between 250 and 400 L/kg VS at an OLR of 6 kg VS/(m 3 ·day). In this study, SBP was 300-420 L/kg VS at the same OLR.…”

Section: Effects Of Olr On Biogas Production By Co-digestionmentioning

confidence: 99%

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Anaerobic Mesophilic Codigestion of Rice Straw and Chicken Manure: Effects of Organic Loading Rate on Process Stability and Performance

Mei

Liu

Huang

et al. 2016

Appl Biochem Biotechnol

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To investigate the effects of organic loading rate (OLR) on performance and stability of mesophilic co-digestion of rice straw (RS) and chicken manure (CM), benchtop experiments (40 L) were carried out at OLRs of 3.0, 3.6, 4.2, 4.8, 6.0, 8.0, and 12.0 kg volatile solid (VS)/(m 3 ·day) with volatile solid (VS) ratio of 1:1 (RS/CM) which was based on batch tests. Anaerobic co-digestion was slightly and severely inhibited by the accumulation of ammonia when the digester was overloaded at an OLR of 6 and 12 kg VS/(m 3 ·day), respectively. The recommended OLR for codigestion is 4.8 kg VS/(m 3 ·day), which corresponds to average specific biogas production (SBP) of 380 L/kg VS and volumetric biogas production rate (VBPR) of 1.8 m 3 / (m 3 ·day). An OLR of 6-8 kg VS/(m 3 ·d) with SBP of 360-440 L/kg VS and VBPR of 2.1-3.5 m 3 /(m 3 ·day) could be considered, if an Anaerobic digestion (AD) system assisted by in situ removal of ammonia was adopted.

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Section: Effects Of Olr On Biogas Production By Co-digestionmentioning

confidence: 99%

“…In the study by Niu et al [19], in which CM was used as digestion substrate, a TAN concentration of more than 6000 mg/L was frequently observed at an OLR of 6 kg VS/(m 3 ·day). Nevertheless, it was inevitable that the co-digestion system was inhibited by accumulation of ammonia.…”

Section: Effect Of Olr On the Production Of Intermediate Metabolites mentioning

confidence: 99%

Anaerobic Mesophilic Codigestion of Rice Straw and Chicken Manure: Effects of Organic Loading Rate on Process Stability and Performance

Mei

Liu

Huang

et al. 2016

Appl Biochem Biotechnol

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“…This material has a high protein content, however, which releases ammonia when hydrolysed and although this can increase the buffering capacity of the AD process, the overall C/N ratio is only 5 to 10 (Yangin- Gomec & Ozturk, 2013). This is lower than that for manure from other farm animals, food waste, and waste active sludge (Bujoczek et al, 2000;Niu et al, 2013) and can lead to operational difficulties through inhibition of the methanogenic microflora as a result of free ammonia accumulation in the digester (Sun et al, 2015a;Yenigun & Demirel, 2013).…”

Section: Introductionmentioning

confidence: 99%

“…Many approaches have been suggested for dealing with nitrogen-rich feedstock for AD, such as acclimatisation, trace element addition, dilution, and ammonia stripping (Nie et al, 2015;Niu et al, 2013). One form of dilution is co-digestion with a low nitrogen co-substrate to achieve a favourable C/N ratio and ensure that TAN and free ammonia nitrogen (FAN) remain below the threshold inhibitory concentrations.…”

Section: Introductionmentioning

confidence: 99%

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Biogas production from undiluted chicken manure and maize silage: A study of ammonia inhibition in high solids anaerobic digestion

Sun

Cao

Banks

et al. 2016

Bioresource Technology

156

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The feasibility of co-digestion of chicken manure (CM) and maize silage (MS) without water dilution was investigated in 5-L digesters. Specific methane production (SMP) of 0.309 L CH 4 g -1 volatile solids (VS) was achieved but only at lower %CM. Above a critical threshold for total ammonia nitrogen (TAN), estimated at 7 g N L -1 , VFA accumulated with a characteristic increase in acetic acid followed by its reduction and an increase in propionic Methanogenesis was completely inhibited at TAN of 9 g N L -1 . The low digestibility of the mixed feedstock led to a rise in digestate TS and a reduction in SMP over the 297-day experimental period. Methanogenesis appeared to be failing in one digester but was recovered by reducing the %CM. Co-digestion was feasible with CM ≤20% of feedstock VS, and the main limiting factor was ammonia inhibition.

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Control Strategies for Enhanced Biogas Production from Chicken Manure

et al. 2023

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The control strategies adopted in formulation and anaerobic digestion (AD) process of chicken manure (CM) for the control and enhancement of biogas production are reviewed. The existing limitations and future challenges in the production of biogas from AD of CM are briefly discussed. The control strategy adopted for formulation is pretreatment of CM (physical, chemical, biological, and thermal) while strategies for AD include selection of optimal parameters (pH, C/N ratio, organic loading rate (OLR), and temperature), co‐AD with other substrates, and addition of supporting materials. The pretreatment of CM, selection of optimal parameters, Co‐AD of CM with other substrates, and addition of supporting materials overall enhance biogas and methane production due to increase of hydrolysis and C/N and decrease of ammonia inhibition, CO2 and H2S contents. The implementation of developed control strategies in continuous plants, development of new strategies, and use of supporting materials in combinations of two or three for better performance are the future challenges in the AD of CM. The control strategies had a significant impact on the efficient use of CM and improved biogas and methane production.

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Mesophilic methane fermentation of chicken manure at a wide range of ammonia concentration: Stability, inhibition and recovery

Cited by 188 publications

References 28 publications

Anaerobic Mesophilic Codigestion of Rice Straw and Chicken Manure: Effects of Organic Loading Rate on Process Stability and Performance

Anaerobic Mesophilic Codigestion of Rice Straw and Chicken Manure: Effects of Organic Loading Rate on Process Stability and Performance

Biogas production from undiluted chicken manure and maize silage: A study of ammonia inhibition in high solids anaerobic digestion

Control Strategies for Enhanced Biogas Production from Chicken Manure

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