Oct 8, 2020 · Recently, dry anaerobic co-digestion is one of the mechanisms which have been increasingly used to improve the reactor’s performance for treating livestock manure with agricultural crop residues. Due to carbohydrate, protein and lipid existing in agricultural wastes, biogas yield decreased with higher reactor volume when using wet anaerobic digestion. In this regard, the aim of this work was
Dec 1, 2015 · PFFR was obtained from the North China Pharmaceutical Company, Hebei, China. Pig manure was collected from a farm in Hengxi, Nanjing, China. The composting experiment was conducted in triplicate, using three identical 150-L plastic containers. A total of 40 kg of a mixture of PFFR, pig manure and chaff at a ration of 1:2 was used. Rice chaff
Oct 5, 2020 · A study was designed aiming at the degradation of organic matter in liquid phase of pig manure, the inactivation of pathogenic microorganisms and biogas production at different storage temperatures. A low cost rapid anaerobic fermentation, and biogas sewage storage system was constructed. After the four-day anaerobic fermentation, three treatments were set up: the average temperature of spring
boundary of the life cycle was the collection and transfer of pig manure to the treatment area. Since the processing area was in the large-scale pig farm where pig manure was collected, the manure transportation process was not included. And the ending boundary was solid waste forming mature compost products.
Apr 15, 2020 · The results showed that pig manure and corn straw were suitable for medium temperature fermentation at 30°C, while cow manure and corn straw were suitable for high temperature fermentation at 60°C.
Feb 10, 2022 · The traditional logic behind effective microorganism is based on a media inoculation with mixed cultures of beneficial microorganisms to create a more favorable environment for plant growth and health when the media is the soil. Following this rationale, other research works have been focused on studying the effect of effective microorganisms when they are used as manure stabilizing agents, in
Apr 29, 2023 · Firmicutes dominated pig and chicken manure composts, while Proteobacteria and Chloroflexes dominated sheep and cattle manure composts (Wan et al. 2021). 7.5.2 Bacteria in Biogas Digester The bacteria used in the pretreatment may be derived from microbial cultures from previous fermentations, sludge, lignocellulosic substrates, rumen fluid, and
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May 2, 2023 · Anaerobic digestion of animal manure results in the production of renewable energy (biogas) and nutrient-rich biofertilizer. A further benefit of the technology is decreased greenhouse gas emissions that otherwise occur during manure storage. Since animal manure makes anaerobic digestion cost-efficient and further advance the technology for higher methane yields, it is of utmost importance to
Environmental concerns, caused by greenhouse gases released to the atmosphere and overrunning of nutrients and pathogens to water bodies, have led to reducing direct spread onto the land of cattle manure. In addition, this practice can be a source of water and air pollution and toxicity to life by the release of undesirable heavy metals. Looking at the current practices, it is evident that
DOI: 10.1016/j.wasman.2014.10.005 Corpus ID: 38900187; Housefly maggot-treated composting as sustainable option for pig manure management. @article{Zhu2015HouseflyMC, title={Housefly maggot-treated composting as sustainable option for pig manure management.}, author={Feng-xiang Zhu and Yanlai Yao and Suang Wang and Rongguang Du and Wei-ping Wang and Xiao-yang Chen and Chunlai Hong and Bing Qi
Feb 10, 2021 · However, CM contains a relatively low concentration of nitrogen components compared with frequently used pig and poultry manure (Siddique Md Nurul and Ab Wahid, 2018; Matheri Anthony et al., 2018). Besides, CM is rich in nutrients and can provide strong buffer capacity, and thus, CM seems more robust than other manures in AD ( Font-Palma, 2019 ).
Dec 1, 2023 · For example, alkaline in situ fermentation may suit chicken manure better due to the high nitrogen content and high TS content of chicken manure; however, 5 % NaOH pretreatment aiming at more methane production is more suitable for cow manure.
To investigate the impact of fermentation after solid–liquid separation, we examined the specic correlation between chemical properties and bacterial communities in solid–liquid manures before
Jun 3, 2017 · Overproduction of livestock manures with unpleasant odors causes significant environmental problems. The microbial fermentation bed (MFB) system is considered an effective approach to recycling utilization of agricultural byproducts and pig manure (PM). To gain a better understanding of bacterial communities present during the degradation of PM in MFB, the PM bacterial community was evaluated
