biogas using the dry fermentation technology through livestock manure co-digestion with agricultural waste (AW) such as potato peels, lettuce leaves and peas peels. In addition, this paper aims at reducing the knowledge gaps in the dry anaerobic co-digestion process. 2 Maerials t and 2.1 Fresh manure and agricultural wastes samples
Jan 10, 2017 · In 2013, the FAO estimated that each year manure management contributes enough CH 4 to the atmosphere to account for 4.3 % of all livestock section emissions, as compared with a 39.1 % share contributed by enteric fermentation, making manure a relatively smaller but still significant source of methane pollution (Gerber et al. 2013).
Aug 1, 2021 · Interestingly, swine farms are widely spread worldwide especially in Europe and China (Ghirardini et al., 2020), that may consume antibiotics more than other animal types, in this regard, up to 95% of surveys were conducted with swine manure, 40% with cattle manure, and 30% with poultry manure, Table 1. Tetracyclines and fluoroquinolones were
This approach offers a farmer-friendly means of engagement with the system, necessitating changes in management practices, including the integration of crop and livestock production systems, alongside other processes like product processing, anaerobic fermentation, composting, vermicomposting, wastewater irrigation, and upgrading of manure value.
Apr 29, 2023 · However, the study eventually found that anaerobic fermentation of 175 kg of cattle manure with 175 kg of water and 50 kg of poultry manure with 325 kg of water produced 6.33 and 0.83 m 3 /day of biogas, respectively (Recebli et al. 2015). 7.2.3 Characteristics and Composition of Animal Manure
Jan 1, 2021 · Livestock manure is among popular feedstocks used for biochar production. However, the characteristics of the livestock manure and the operating conditions at which biochar is produced significantly affect the properties of the final product.
Jan 1, 2021 · Piggery slurry was periodically added onto the litter mat and turned with litters by the upender for mixing, loosening and ventilation to provide oxygen for pig manure fermentation and promote the degradation. Generally, it is necessary to plow the padding twice per day to mix the mattress and livestock.
Arrangement and processes of industrial fermentation system The MTCM in the fermentation system completes a full run along the oval tank in approx. 2.5 h. On a daily basis, a maximum of 5 full runs can then be completed. One complete run results in the displacement of 1.5 m of manure along the tank or a maximum of 7.5 - 8.0 m after 5 runs completed
Feb 23, 2021 · Livestock manure is one of the main sources of agricultural nonpoint source pollution and poses a great threat to the environment and human health. Sustainable management of manure via recycling is an effective means to tackle the problem. Based on field interviews in China, multiple case studies were employed to investigate alternative manure management systems. Four conclusions arose. First
Dec 15, 2022 · With more traditional livestock farms (where animals are fed with crop straw, and manure is used to fertilize cropland) replaced by industrial ones (where animals are fed with artificial fodder
Nov 12, 2021 · Traditional chicken manure fermentation is mostly natural composting or exposure, which is not only time consuming but also susceptible to weather, resulting in uncontrollable quality and environmental pollution. This research aims to build a smart solar chicken manure fermentation system to control the conditions of chicken manure fermentation effectively, improve quality, and solve the
Jan 2, 2023 · Livestock account for the majority of greenhouse gas emissions from food systems, through methane from enteric fermentation and manure management, carbon dioxide from land use change, and nitrous oxide from manure management (Herrero et al. 2016; Tubiello et al. 2021). However, livestock now use 62% less land and emit 46% fewer greenhouse gas
It is a comprehensive industrial enterprise that integrates R&D, production and sales. The company has two production bases with rich experience in installation and construction. The number of employees with bachelor′s degree or above accounts for more than 60%.
Oct 20, 2024 · Using a coupled crop–livestock system that returns livestock manure to the field through improved manure management practices can effectively reduce fertilizer use and soil nutrient N and P surpluses (Bouwman et al., 2013). Also, it can mitigate GHG emissions while using livestock waste (Kang et al., 2024).
The livestock sector provides valuable proteins to humans at the expense of massive resource consumption, environmental degradation, and global warming [[1], [2], [3]].To meet the surge in animal consumption, the livestock sector is undergoing a transformation from conventional household or grazing systems to industrial systems that are large-scale, intensive, and landless [4, 5].