A novel alternate feeding mode for semi-continuous anaerobic co-digestion of food waste with chicken manure

Wang, Ming; Sun, Xiaofang; Li, Pengfei; Yin, Lili; Liú, Dan; Zhang, Yingwei; Li, Wenzhe; Zheng, Guoxiang

doi:10.1016/j.biortech.2014.04.077

Cited by 75 publications

(24 citation statements)

References 26 publications

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“…The TAN concentrations at which severe inhibition occurred were considerably higher than those found in a study on mesophilic mono-digestion of CM: it was reported that ammonia inhibition occurred at approximately 2.7 g TAN L -1 while methane production declined by 90% at 3.5 g TAN L -1 , at pH values of approximately 7.7 (Wang et al, 2014). According to Niu et al (2013), biogas production of 0.35 to 0.40 L g -1 VS was achieved when the TAN concentration was lower than 5 g N L -1 in the continuous mesophilic digestion of CM.…”

Section: Biogas Productionmentioning

confidence: 58%

“…Chicken manure (CM) is a waste feedstock that has a high recoverable energy potential as it is easily degradable in an AD system (Wang et al, 2014). 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).…”

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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Section: Biogas Productionmentioning

confidence: 58%

Section: Introductionmentioning

confidence: 99%

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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“…Ammonia removal from the chicken manure digestate by physical methods and recirculation of the digestate to the digestor resulted in a biogas yield of 0.39 L/g VS in a mesophilic CSTR operated with HRT of 12e15 days and OLR of 5.3 g VS/L$d (34). Wang et al (35) stated that alternate feeding mode of food waste and chicken manure in a sequence of food waste/food waste/ chicken manure, respectively, for every three days, ended up with a methane production rate of 508 mL/g VS at an HRT of 35 days and OLR of 2.5 g VS/L$d. There are several studies on biogas production in two stage systems having one or both reactors working at mesophilic or thermophilic conditions in which different kind of substrates used at varying OLRs and HRTs.…”

Section: Resultsmentioning

confidence: 98%

Biogas production from chicken manure at different organic loading rates in a mesophilic-thermopilic two stage anaerobic system

Dalkılıç

Uğurlu

2015

Journal of Bioscience and Bioengineering

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“…The output and composition of biogas obtained from chicken manure or its mixes with other organic waste have been studied by many scientists, [19][20][21][22][23][24][25][26][27][28] but the experimental research based on the use of additives is rather limited. Therefore, to investigate this problem, a biochar additive (10% by mass of the dry load) (experiment B) was used for obtaining an organic load.…”

Section: Resultsmentioning

confidence: 99%

The experimental study of biogas production when digesting chicken manure with a biochar additive

2019

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The research aims to evaluate the output of biogas and the concentration of CH4 and gaseous impurities such as CO2 and H2S in the process of digesting chicken manure without additives (experiment A) and with 10% of biochar additive (by mass of the dry load) (experiment B) under anaerobic and mesophilic conditions. It has been found that the average output of biogas from a particular amount of chicken manure (experiments A and B) obtained in the 45‐day experimental research is similar in both cases and reaches 12.88 l d–1 and 12.36 l d–1, respectively. However, the biochar additive increases CH4 concentration in biogas and reduces the concentration of gaseous impurities (CO2 and H2S) in biogas. The maximum concentration of CH4 in biogas obtained from a load of manure with biochar additive is higher than that in biogas obtained by using a load without a biochar additive, and reaches 72.0% and 68.5%, respectively. The average CO2 concentration, reaching 33.09% and 47.5%, respectively, in biogas obtained from the load with 10% of biochar additive is lower than that in biogas obtained from the manure load without an additive. The average concentration of H2S in the biogas obtained in experiment B is lower than that in experiment A and reaches 95.9 mg m–3 and 195.5 mg m–3, respectively. The biochar additive adsorbs gaseous impurities (CO2 and H2S) from biogas without adsorbing CH4. © 2019 Society of Chemical Industry and John Wiley & Sons, Ltd.

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A novel alternate feeding mode for semi-continuous anaerobic co-digestion of food waste with chicken manure

Cited by 75 publications

References 26 publications

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

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

Biogas production from chicken manure at different organic loading rates in a mesophilic-thermopilic two stage anaerobic system

The experimental study of biogas production when digesting chicken manure with a biochar additive

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