Windrow Composting Articles
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Windrow co-composting of shredded office paper and Broiler Litter
The co-composting of shredded waste office paper with Broiler Litter (BL) in windrows was analysed in this study. Two compost mixes were monitored for five weeks; Mix 1 comprised 322kg BL, 117 kg shredded paper and 310L water and Mix 2 consisted of 112 kg BL, 265 kg shredded paper and 290 L water. The initial wet moisture content, initial porosity and initial wet bulk density for Mix 1 were ...
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A cost-effective method for controlling compost air emissions
In October 2007, ECS began conducting trials at California State University Fresno (CSUF) to explore using the new patent pending AC Composter (ACC) covered aerated static pile system to manage dairy manure solids and comply with airquality standards. A two-zone portable pilot system was delivered by ECS and installed at the CSUF research dairy. This research is being conducted under a Phase I ...
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“Jerez guadalete w.w.t.p.”: from sludge to biosolids, and finally e.u. ecological fertilizer?
‘Guadalete W.W.T.P’ began its operations in January 1994 in ‘Jerez de la Frontera’, in the province of Cádiz, southwestern Spain. 15.000 t of anaerobically digested dewatered sludge has been produced on a yearly basis over the last four years. An 11 hectares open-air windrow composting facility, privately owned and operated, has permitted sludge to be transformed into biosolids compost. Compost ...
By ORBIT e.V.
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Occupational hygiene at a drum composting plant in Hyvinkää, Finland
Refuse disposal and treatment must be safe for employees. Organic dust of waste origin, perhaps containing microbes, may be harmful to health. Microbes, especially fungi but also thermophilic Actinomycetes bacteria, may cause allergy and asthma (Terho et al. 1993; Madigan et al. 1997). Usually fungi cause hypersensitivity (Madigan et al. 1997) and the most common syndrome is allergic rhinitis ...
By ORBIT e.V.
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The relevance of moisture control in organic municipal Solid waste windrow composting process
The valorisation of the Municipal Solid Waste composting fraction assumes importance in management strategies of the MSW and constitutes a way of producing an organic material such as humus to improve the soil aeration, the water holding capacity and valuable product when used as soil amendment because it is a source of nutrients (N, P, K) and useful for recovery of poor and degraded soils. It ...
By ORBIT e.V.
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Composting
Introduction Composting is a controlled biological process by which organic contaminants (e.g., PAHs) are converted by microorganisms (under aerobic and anaerobic conditions) to innocuous, stabilized byproducts. Typically, thermophilic conditions (54 to 65 °C) must be maintained to properly compost soil contaminated with hazardous organic contaminants. The increased temperatures result from heat ...
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Common Treatment Train for Explosives
In general, no single technology can remediate an entire site. Several treatment technologies are usually combined at a single site to form what is known as a treatment train. A system diagram of a common treatment train for explosives is illustrated below. Explosive contaminated soil is first excavated from the site and transported to a windrow composting site. During windrow composting, ...
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