Effect of mixing ratio and total solids content on temperature-phased anaerobic codigestion of rice straw and pig manure: Biohythane production and microbial structure

Liu, Rongzhan; Chen, Xiangyu; Zhang, Ke; Han, Yizhuo; Tong, Yeqi; Wang, Juan; Xiao, Benyi; Liu, Junxin

doi:10.1016/j.biortech.2021.126173

Cited by 16 publications

(3 citation statements)

References 24 publications

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“…The same situation is observed for PL of 71.3% and 86.1%, respectively. However, despite this observed difference, in both cases, the results are consistent with those measured by other authors [6, 7,16,49,50].…”

Section: Inoculum Microbial Enrichmentsupporting

confidence: 93%

Assessment of Co-digestion From Poultry Litter and Swine Wastewater and Enrichment Inoculum Effect in Biogas Production

Somer

Luiz

Marteres³

et al. 2023

Preprint

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Lignocellulosic substrate co-digestion as a pre-treatment step to anaerobic digestion increases the viability of using agro-industry waste for biogas production. This study aimed to assess proportions of co-digestion of swine manure and poultry litter for greater methane production, in addition to analyzing the effect of microbial inoculum enrichment on biodigestion. After co-digestions were prepared, the fractions (solid and liquid) were separated, and the liquid was used in the tests. Methane production potential tests were assessed using the Doehlert experimental design in co-digestions of swine manure and poultry litter at 0%, 10%, 20%, 30% and 40% (m/m). The other variable studied was the amount of inoculum added (ISR) at levels of 2, 1.25 and 0.5. The highest methane production values (286–284 NL kgVS-1) were obtained in co-digestions between 10% and 20% (m/m) of poultry litter, which present total solids compatible with using covered lagoon and CSTR model biodigesters. A 34% increase was obtained in the microbial inoculum enrichment study, when compared to standard inoculum use. The co-digestion phase separation procedure developed in this study increased the feasibility of implementing this technology as an alternative to biogas production in commonly used biodigestion systems.

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Section: Inoculum Microbial Enrichmentsupporting

confidence: 93%

Assessment of Co-digestion From Poultry Litter and Swine Wastewater and Enrichment Inoculum Effect in Biogas Production

Somer

Luiz

Marteres³

et al. 2023

Preprint

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“…In the past ten years, research on biohythane production from various 451 biogenic wastes and wastewater has increased significantly. Many studies have explored 452 biohythane production from various feedstocks such as food waste [84], distillery spent 453 wash [85], coffee residues and sugarcane vinasse [86], co-digestion of rice straw and pig 454 manure [87], swine manure [88], brewery spent grains [89], corn stalk [90], rubber sheet 455 wastewater [91], birch sawdust [92] and algal biomass [93,94]. 4.2.…”

Section: Hydrogen-enriched Methanementioning

confidence: 99%

Waste-Derived Renewable Hydrogen and Methane: Towards a Potential Energy Transition Solution

et al. 2023

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Anaerobic digestion (AD) is an environmentally friendly process for recovering low-carbon energy from the breakdown of organic substrates. In recent years, AD has undergone a major paradigm shift, and now the technology is not only considered as a “waste treatment” method and is instead viewed as a key enabler of the future “circular economy” with its potential for resource recovery (low-carbon energy, safe water, and nutrients). Currently, waste-derived biogas from AD is the most affordable and scalable source of renewable energy. Biomethane (upgraded biogas) can serve as a significant renewable and dispatchable energy source for combating the problem of global warming. Acidogenesis, an intermediate step of AD, can produce molecular hydrogen (H2) along with green chemicals/platform chemicals. The use of low-carbon hydrogen as a clean energy source is on the rise throughout the world, and is currently considered a potential alternative energy source that can contribute to the transition to a carbon-neutral future. In order to determine the future trade routes for hydrogen, nations are developing hydrogen policies, and various agreements. Hydrogen produced by biological routes has been found to be suitable due to its potential as a green energy source that is carbon neutral for the developing “Hydrogen Economy”. Recently, hydrogen blended with methane to a specific proportion and known as biohythane/hydrogen-enriched compressed natural gas (HCNG) has emerged as a promising clean fuel that can substantially contribute to an integrated net-zero energy system. This review provides an overview of the current state of fermentative hydrogen and methane production from biogenic waste/wastewater in a biorefinery approach and its utilization in the context of energy transition. The limitations and economic viability of the process, which are crucial challenges associated with biohydrogen/biomethane production, are discussed, along with its utilization.

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“…Pig manure is a nitrogen-rich feedstock. Mixing pig manure with rice straw can balance the C/N ratio in the system, thus increasing the production of hydrogen and methane [58][59][60]. Silvestre et al conducted the co-digestion of cattle manure and rice straw, and the results showed that the biogas production increased by 4%, 28%, and 54% when rice straw was added to cattle manure at 1%, 2%, and 5%, respectively [61].…”

Section: Co-digestionmentioning

confidence: 99%

Research Progress on Anaerobic Digestion of Cellulose Waste Based on Bibliometric Analysis

Zhao,

Zhang,

Wang

et al. 2023

Sustainability

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The bibliometric method was used in this study to analyze current advances in the anaerobic digestion (AD) of cellulose waste. The result shows that the number of articles increased rapidly after 2010, suggesting a growing interest in this field. The USA and China were the top two countries with the highest number of published articles. AD of cellulose waste is being actively explored in many countries, and partnerships between countries are being actively formed. The top three subject categories were Environmental Sciences & Ecology, Engineering, Energy & Fuels. The most widely published and influential journals were Bioresource Technology, Water Science and Technology, and Waste Management. The co-occurrence and trend analysis of author keywords indicates that current research is primarily focused on pretreatment and co-digestion. Microbial community analysis plays a crucial role in elucidating the mechanisms, and life cycle analysis (LCA) could evaluate the impact on the environment at different stages. Microbial community analysis and LCA will be the hotspots in the future. To some extent, this study helps to understand the current global status and trends of the related research.

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Effect of mixing ratio and total solids content on temperature-phased anaerobic codigestion of rice straw and pig manure: Biohythane production and microbial structure

Cited by 16 publications

References 24 publications

Assessment of Co-digestion From Poultry Litter and Swine Wastewater and Enrichment Inoculum Effect in Biogas Production

Assessment of Co-digestion From Poultry Litter and Swine Wastewater and Enrichment Inoculum Effect in Biogas Production

Waste-Derived Renewable Hydrogen and Methane: Towards a Potential Energy Transition Solution

Research Progress on Anaerobic Digestion of Cellulose Waste Based on Bibliometric Analysis

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