Sep 28, 2020 · Journal of Environmental Quality covers anthropogenic impacts on environmental quality in natural and agricultural ecosystems, including water, soil, and the atmosphere. Abstract An on-farm solid–liquid separator (SLS) and rotary drum composter (RD) manure treatment system was monitored for its impact on antibiotic residues and antibiotic
Apr 23, 2024 · The primary aim of this research was to evaluate and compare the environmental impacts, throughout the life cycle, of the main treatment systems employed by the industry, as well as to identify the processes that contribute most to these environmental impacts. To achieve this, a bibliographical search was conducted using the Web of Science Core Collection database platform, utilizing the
Composting reduces the volume and density of manure approximately 50-65% (Figures 1 and 2). The decrease in volume reduces hauling costs. Wiederholt et al., (2009) conducted a case study that compared the energy required of a 180-head feedlot operation that applied raw manure and composted manure to agricultural fields.
Nov 11, 2023 · The concept of recycling organic matter and waste nutrients back to agricultural land through the process of composting adheres to the basic principle of the circular economy. The studies on composting systems have laid a solid foundation for biodegradable solid waste management, and there are still significant gaps that require attention in future research. Addressing these gaps will lead to
Sep 26, 2019 · The Rotary Drum Composter reduces composting time to 2–3 weeks. Consistent rotation of the compost and the side air vents allow the organic waste to remain in contact with oxygen, while the drum retains heat. The system is frequently used for organic food waste and yard trimmings. Target SDGs.
The rotary drum composting process of mixed organic waste yields suitable compost consisting of 2.1% NTand 3.5% total phosphorus within a period of 20 days. A very short mesophilic phase of one
4 days ago · Composting is the controlled, aerobic (oxygen-required) biological decomposition of organic materials by microorganisms. Organic (carbon-based) materials include grass clippings, leaves, yard and tree trimmings, food scraps, crop residues, animal manure and biosolids. Compost is a dark, crumbly, earthy-smelling, biologically-stable soil
Jun 15, 2023 · In this study, environmental risk of ARGs was evaluated after amending livestock manure compost into soil as fertilizer through the ryegrass culture. Three types of manure compost (swine manure (AH, AL), sheep manure (BH, BL) and chicken manure (CH, CL)) and the control (CK) were applied.
Mar 14, 2024 · Inappropriate waste disposal imposes significant health risks in densely populated urban environments and schools, necessitating sustainable waste management. Therefore, a study was carried out at Al-Jazaer School, Kuwait, to evaluate rotary drum composting (RDC) of organic school waste comprising used paper, dry leaves, and vegetable food wastes in a 1:4:20 ratio. Feedstock comprising 42%
Jan 26, 2022 · Manure is an environmentally valuable resource because it contains nutrients like nitrogen, phosphorus, and potassium. When composting manure, ... 3 Sustainable Ways to Make Your Soil Less Acidic.
Jun 21, 2007 · The farm raises and trains horses, and was looking for an environmentally responsible means to manage the horse manure and sawdust bedding. Owner Herb Headwell also was looking for a way to recycle the manure for use on the farms hay fields, and decided on a 10-foot diameter by 32 feet long rotary drum.
May 9, 2023 · The poultry rotary composter works by creating an optimal environment for composting. The composting process requires a balance of carbon and nitrogen, oxygen, and moisture. The drum of the composter is filled with poultry manure, which is mixed with a carbon source, such as sawdust or straw. The internal paddles of the drum move the manure
Agricultural Environmental Quality Specialist. ASTE Dept. Phone: (435) 797-3772. rhonda.miller@usu.edu. When properly managed, animal manures increase soil fertility, build soil organic matter, and sustainably cycle nutrients. However, knowing how much and when to apply manure is critical for long-term soil heath.
Mar 1, 2008 · Composting of several organic wastes of different chemical composition was carried out under controlled conditions to study the suitability of different biological indexes to monitor the biological activity of the composting process, and oxygen uptake rate provided the most reliable values of microbial activity in a compost environment. Expand