Mar 4, 2021 · Kinetic Study on Biogas Production from Cabbage (Brassica oleracea) Waste and Its Blend with Animal Manure Using Logistic Function Model March 2021 Journal of Advances in Microbiology 21(1):34-43
Sep 15, 2021 · 1. Introduction1.1. Livestock waste production and the resulting environmental impact. According to a recent report, world population has doubled in the last 40 years and reached 7.7 billion in 2019; with a current growth rate of 1.08% per year the population is estimated to reach 9 billion by 2037 (Max et al., 2019).
animal manures and other agricultural wastes as major lignocellulosic biomass feedstocks for production of bioethanol. Agricultural wastes are abundant, renewable and cost effective. Ethanol
Jun 12, 2023 · Tylosin concentration exceeding 167 mg/L in the manure highly deteriorated the biomethane productivity due to an accumulation of acetate and propionate in the fermentation medium. Anaerobic co-digestion of 10% of primary sludge to 90% of chicken manure increased the biogas yield up to 8570 mL/g volatile solids.
Dec 20, 2021 · The results showed that both processes could be changed from mesophilic to themophilic temperature without major problems and with a similar shift in the microbial community profile to a typical thermophilic community, e.g., an increase in the relative abundance of the phylum Firmicutes.
Nov 3, 2023 · Biogas from anaerobic digestion is a versatile energy carrier that can be upgraded to compressed biomethane gas (CBG) as a renewable and sustainable alternative to natural gas. Organic residues and energy crops are predicted to be major sources of bioenergy production in the future. Pre-treatment can reduce the recalcitrance of lignocellulosic energy crops such as Salix to anaerobic digestion
Animal manure is widely used as fertilizer to improve the fertility of cropland ( Parker and Li, 2006; Yao et al., 2010, 2013b ). In China, the total production of animal manure was 243 million tons in 2007 ( NBSPRC, 2010 ). In Maryland, one of the top manure producing regions in the United States, a survey revealed that the number of farmers
Apr 29, 2023 · According to a recent meta-analysis of CH 4 yield in co-digestion compared to single-digestion of animal manure with other feedstocks, the former significantly increased CH 4 production. The findings of this research give a solid foundation for realistic economic assessments and control of anaerobic digestion procedures for or with various
Nov 12, 2018 · Impact of Livestock on Climate Change. The most important greenhouse gases from animal agriculture are methane and nitrous oxide. Methane, mainly produced by enteric fermentation and manure storage, is a gas which has an effect on global warming 28 times higher than carbon dioxide. Nitrous oxide, arising from manure storage and the use of
Jun 10, 2020 · In general, pretreatments improve anaerobic digestion of the lignocellulosic content of animal manure and, therefore, increase methane yield. The objective of this research is to present a review of the current technologies and pretreatments used in the fermentation of cow, pig and poultry manure.
Rabbit manure fermentation is an emerging field that has gained popularity in recent years. Rabbit manure is rich in nutrients and has a higher nitrogen content than other animal manures. However, rabbit manure fermentation requires specific conditions, such as a higher temperature range of 45°C to 50°C, to ensure optimal anaerobic fermentation.
Nov 21, 2023 · Anaerobic co-digestion (AcoD) of animal waste and agro-industrial by-products has been widely studied and employed to increase biogas production potential and enhance process stability. This study evaluated the AcoD of cattle manure (CM) and brewer’s residual yeast (RY) in semi-continuous biodigesters, focusing on energy potential (biogas and methane yields) and process stability. Four
Manure Management☆ Amy L. Shober, Rory O. Maguire, in Reference Module in Earth Systems and Environmental Sciences, 2018 Trends in Manure Production. Manure production by species varies widely by region; for example production of goats, sheep, and cattle dominate in Africa (Table 1), cattle production is common in South America and production of all animal types is common in Asia (FAO, 2018).
Apr 1, 2024 · 2.2. Fermentation operation. The mixed sludge and chicken manure were fermented at different pH under the optimal dosage ratio. The pH was adjusted by appropriate dosage of 2 M hydrochloric acid (HCl) or 2 M sodium hydroxide (NaOH) to 3.0, 5.0, 7.0, 9.0 and 11.0, respectively.
Mar 22, 2023 · Developing new uses and markets for manure may result in both economic and environmental benefits. The ERS report, Increasing the Value of Animal Manure for Farmers (AP-109, March 2023), uses data from the USDA Agricultural Resource Management Survey (ARMS) to describe current manure production, handling, storage, and use.
