Methane Production from the Co-digestion of Algal Biomass with Crude Glycerol by Anaerobic Mixed Cultures

Sittijunda, ‪Sureewan; Reungsang, Alissara

doi:10.1007/s12649-018-0542-0

Cited by 23 publications

(16 citation statements)

References 38 publications

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“…These results show the experimental viability of the mesophilic AD process for the proper disposal of fruit, food and vegetable waste along with biogas recovery. It also shows that the recovery of the resources incentive along with waste reduction in the environment (Akshaya and Jacob 2018;Sittijunda and Reungsang 2018). Comparison of different pretreatment methods: The effectiveness of pretreatment on the FFVW for the mesophilic AD process for the recovery of biogas and biomethane yield and TS and VS removal obtained in this study are summarised in the Table 4.…”

Section: Ts and Vs Removalmentioning

confidence: 76%

“…So, the most of the essential AD parameter as shown in the mesophilic AD co-digester ranges between 6.25-6.32 except R3 whose pH was 7.6 due alkaline pretreatment (introduction of 6 N NaOH). It indicates pH of co-digester is near to optimum pH range for AD (Zhai et al 2015), while FFVW show slight alkalinity and that may control a possible acidi cation during the digestion (Bouallagui et al 2004), whereas inoculum has high pH that help to maintaining stability during the mesophilic AD (Sittijunda and Reungsang 2018). The C/N ratio in the range of 18 to 19, which is in optimum range and it provide essential nutrients for the growth of anaerobic bacteria as well as maintaining stability during digestion process (Li et al 2011;Jain et al 2015;Yong et al 2015).…”

Section: Resultsmentioning

confidence: 99%

“…The most common FFVW stabilization technology in world-wide practice biological, thermal and thermochemical process that includes land lling, composting, incineration and anaerobic co-digestion (Balussou et al 2012;Mozhiarasi et al 2020). Land lls technologies has adverse impacts on soil, groundwater, and climate, while incineration of FFVW increases air-pollution by the emission of harmful gases such as oxide of sulphur and nitrogen, and other greenhouse gases in the environment (Hong et al 2018;Sittijunda and Reungsang 2018). Among these waste stabilization techniques only few are sustainable such as anaerobic co-digestion etc.…”

Section: Introductionmentioning

confidence: 99%

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Effectiveness of the pretreatment methods on mesophilic anaerobic co-digestion of fruit, food and vegetable waste

Chaurasia

Siwach

Mondal

2021

Preprint

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Pretreatment of the fruit, food and vegetable waste materials could enhance the biogas generation in a shorter time along with waste reduction. The aim of the present work was to assess the effectiveness of alkaline, hydrothermal, thermal and ultrasonication pretreatment of fruit, food, and vegetable waste with cow dung for the mesophilic anaerobic co-digestion. The mesophilic anaerobic co-digestion of fruit food and vegetable waste as single substrate with cow dung were performed in a laboratory scale 1L batch digester for 30 days at 40 ± 2 oC temperature. Obtained result show that pretreatment process has enhanced the biogas and biomethane production by 35 % and 44.4 % with 19.89 % TS and 17.30 % VS removal in case of ultrasonication pretreatment (100.45 ml biogas/gVS and 27.92 ml CH4/gVS,), while slight increase is found with thermal and hydrothermal pretreatment as compared to untreated FFVW. The biogas production is enhanced by 35%, 20.4%, 5%, 6% and biomethane production are enhanced by 44.4%, 22%, 11%, 9.8% in the case of ultrasonication, alkaline, thermal and hydrothermal pretreatment process, respectively. The stable mesophilic anaerobic co-digestion operation was achieved and impacts of the different pretreatment methods on the biogas yield and net energy recovery along with viability of anaerobic co-digestion have been explored.

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Section: Ts and Vs Removalmentioning

confidence: 76%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effectiveness of the pretreatment methods on mesophilic anaerobic co-digestion of fruit, food and vegetable waste

Chaurasia

Siwach

Mondal

2021

Preprint

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“…The microbes operate on a lignocellulosic substrate that has a high degradability of cellulose and hemicellulose (Colla et al, 2019). The combination of hemicellulose, cellulose, and lignin serves as a barrier to the microbial populations that hydrolyze cellulose (Wickramaarachchi et al, 2019) (Sittijunda & Reungsang, 2020). It was found that combined with H 2 -using bacteria, propionic and/or butyrate acid oxidizing bacteria generate more acetic acid for acetogenic bacteria.…”

Section: Fungal and Microbial Consortium Pretreatmentmentioning

confidence: 99%

Recent Advance in Anaerobic Co-digestion Technology: A Review

Rajaonison¹,

Rabesahala²,

Rakotondramiarana³

2020

MAS

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Due to their polluting characteristics, fossil fuels presently tend to be replaced by renewable energy resources. Anaerobic digestion is a recent technology for producing biofuels. As a biochemical method to produce biogas, it is more environmentally friendly than other processes and is almost non-polluting. The anaerobic co-digestion is an upgrade of the mono-digestion since some limitations of the single-substrate degradation were solved by digesting two or more substrates. The present review gives an overview of the progress made in the anaerobic co-digestion technology. Appearing as a complex technology, lots of factors can affect its operation. Those factors include the choice and the composition of the substrates, the ratio between the substrates and the inoculum, the pretreatment, the environmental conditions, the operational parameters, and the post-treatment at the end of the process. Analytical and empirical tools for the assessment of the whole system in terms of biodegradability and synergy of the substrates, the efficiency of the process, and the identification of the operation inhibitors are also presented in this paper.

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“…Pure glycerol costs 7.5 times more than its crude counterpart at the current market price (Table 1) [2,5]; this implies that the additional glycerol purification process is complicated and expensive. Therefore, several studies have reported direct bioconversion of nonpurified crude glycerol to value-added products, such as hydrogen, methane, fatty acids, and 1,3-propanediol [6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Bioconversion of Crude Glycerol into 1,3-Propanediol(1,3-PDO) with Bioelectrochemical System and Zero-Valent Iron Using Klebsiella pneumoniae L17

et al. 2021

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Crude glycerol is a major byproduct in the production of biodiesel and contains a large number of impurities. The transformation of crude glycerol into valuable compounds such as 1,3-propanediol (1,3-PDO) using clean and renewable processes, like bioconversion, is an important task for the future of the chemical industry. In this study, 1,3-PDO bioproductions from crude and pure glycerol were estimated as 15.4 ± 0.8 and 11.4 ± 0.1 mmol/L, respectively. Because 1,3-PDO is a reductive metabolite that requires additional reducing energy, external supplements of electron for further improvement of 1,3-PDO biosynthesis were attempted using a bioelectrochemical system (BES) or zero-valent iron (ZVI). The conversions of crude and pure glycerol under electrode and iron-based cultivation were investigated for 1,3-PDO production accompanied by metabolic shift and cell growth. The BES-based conversion produced 32.6 ± 0.6 mmol/L of 1,3-PDO with ZVI implementation.

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Methane Production from the Co-digestion of Algal Biomass with Crude Glycerol by Anaerobic Mixed Cultures

Cited by 23 publications

References 38 publications

Effectiveness of the pretreatment methods on mesophilic anaerobic co-digestion of fruit, food and vegetable waste

Effectiveness of the pretreatment methods on mesophilic anaerobic co-digestion of fruit, food and vegetable waste

Recent Advance in Anaerobic Co-digestion Technology: A Review

Bioconversion of Crude Glycerol into 1,3-Propanediol(1,3-PDO) with Bioelectrochemical System and Zero-Valent Iron Using Klebsiella pneumoniae L17

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