Dec 22, 2022 · The global increase in population will result in increased global food production which can, in turn, lead to excessive food waste. Although composting is widely adopted for the conversion of organic waste into value-added products, there are several limitations, such as its lower efficiency in composting food waste without co-composting, the loss of nutrients, and the emission of greenhouse
Apr 19, 2020 · Among the numerous manure processing technologies, composting can be an adequate proposal to optimize management of solid livestock manure or fiber fractions of slurries (solid manure of cattle and pig; cattle, pig, and poultry deep litter).
Jul 21, 2023 · As livestock and poultry farming expands in China, the generation of fecal waste has significantly increased. Inadequate waste management can contribute to environmental pollution. This study seeks to optimize small-scale composting systems to address the inefficiencies and the limited automation of traditional composting equipment. We redesigned the mixing blades and refined the ventilation
Jan 1, 2021 · However, the composting of livestock manure also has some disadvantages which could restrict the industrialization of composting technology, including the loss of nitrogen (N) during the composting process, the high bio-availability of heavy metals, the low humus of organic matter, the residue of antibiotics and the GHGs emissions [132, 133].
Jun 1, 2020 · It is reported that the community structure is divergent at different phases of a composting process (Qiao et al., 2019).Zhong et al. (2018) found Proteobacteria, Bacteroidetes, Firmicutes, Actinobacteria, Chloroflexi, and Planctomycetes were the dominant phyla in passive ventilation composting process of dairy manure, and observed significant change of these phyla at four composting phases.
Apr 14, 2023 · Manure is an inevitable output of livestock production. It has been used as amendment to fertilise the soils and crops since ancient times, and it can be an asset if properly managed. The correct use of manure promotes sustainable agriculture, closes nutrient cycles
Crawler Windrow Compost Turning Specification. Processing capacity: 400 to 800 cubic meters/h, stacking width 2.0~4.0m, Stacking height 1.0~2.0m;
Sep 1, 2024 · This article provides an overview of the pivotal role played by manure in animal agriculture and the circular economy. We delve into technological advancements and policy frameworks that harness manure as a valuable resource for generating both fertilizer and energy.
Apr 13, 2024 · Biochar is difficult to make pellets on its own. The pelleting of biochar mixed with livestock manure compost could have the following advantages: (1) use compost as a binder, (2) reduce the moisture content of compost for pelleting by simply mixing without drying, and (3) promote the application of biochar for carbon sequestration by simultaneous application with agricultural machinery for
Oct 17, 2023 · Livestock manure (LSM) management is emerging as a challenge due to increasing livestock consumption. Owing to the decreased agricultural land area, it is necessary to ensure LSM utilization in non-agricultural fields. LSM can be a valuable resource if managed as a circulating resource. This study discusses research trends based on a literature review and classifies LSM treatments. The
Sep 1, 2022 · Bio-waste is the most abundant contributor to the municipal solid waste stream particularly in low and middle-income countries (Kaza et al., 2018).For streams of biological wastes, circular economy has gained recognition in current scientific literature and among international and national authorities as a key strategic environmental policy framework (Awasthi et al., 2019a, Awasthi et al
Jun 1, 2023 · The inoculation of Bacillus subtilis into cattle manure and straw composting prolonged the thermophilic phase of composting by 1–2 days and accelerated compost maturation [8]. Bacillus was inoculated into rice straw could alter the bacterial community of compost, thereby promoting the lignocellulose degradation [23] .
Apr 1, 2020 · Abstract This review investigates the significant challenges of the process of livestock manure composting in cold regions and assesses the critical features related to the quality of the final compost product. Recently, the composting process has grasped more attention because of environmental pollution concerns and seeks for environmentally-sound approaches for managing livestock manure
Nov 24, 2021 · Nitrogen losses during composting processes lead to emissions problems and reduce the compost fertilizer value. Gas-permeable membranes (GPM) are a promising approach to address the challenge of reducing nitrogen losses in composting processes. This study investigated the applicability of two GPM membrane systems to recover N released during the closed composting process of laying hen manure
Mar 7, 2021 · Conventional thermophilic composting (TC), a well-studied and mature technology, can be applied to organic solid waste treatment to achieve waste reduction, mineralization, and humification simultaneously.
