Composting Vessels Articles
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Composting in the Subarctic – Moisture
Regulating Compost Moisture during Hot Composting Hot composting is most effective at decomposing organic waste when moisture levels are approximately 50%. A compost with excessive moisture will cause Low temperatures that are below 40°C (104°F); smells foul; and/or brown liquid to be visible or easily freed when squeezing compost. Excessive moisture while composting does not ...
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Resort Hotel Composting Food Waste in Cancun, Mexico - Case Study
Food waste composted with the in-vessel composter by XACT is solving the organic waste problem of an 8,000 room hotel in Cancun, Mexico. The Cancun Palace Resort generates 2500 tons of organic waste per year, and they wanted/needed to reduce their high waste haulage costs and landfill tipping fees. In addition, the hotel management wanted to take meaningful action to reduce their GHG emissions. ...
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Potential utilisation of pulp and paper mill biosolids in composting and plant production: a case study at St. Marys Papers Ltd. (Canada)
The use of St Marys Paper biosolids as a soil additive or growth cover was investigated. Biosolids were mixed with a commercial potting media in five vol/vol ratios and employed in a greenhouse study. The biosolids were found to improve Pinus banksiana seedling growth, a 50% biosolids:50% ProMix mixture yielding the tallest plants and highest dry mass. To further biologically stabilise the ...
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Evaluation of FTIR spectroscopy as a maturity index for herbicide-contaminated composts
This paper analyses the use of Fourier Transform Infrared (FTIR) spectroscopy as a maturity index for herbicide-contaminated green wastes composts. Four in-vessel composting systems were set-up with Compost A constituting of uncontaminated grass clippings and Composts B, C and D contaminated with atrazine, 2,4-D and tordon 101 respectively. The physicochemical properties of the composts were ...
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Municipal composting - Case Study
Application TEG Environmental are world leaders in rapid composting, and as part of a major programme to cut the amount of municipal waste going to landfill, they are installing new state of the art “in-vessel” composting facilities in Rochdale and Bredbury. These will be capable of handling 180,000 tonnes of green and food waste each year, and are scheduled to come on stream from ...
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Odor issues at Mariposa MSW composting facility
The Mariposa County MSW composting facility was built at the county landfill to remove some dry recyclables from the waste stream and to produce compost for daily cover. One key motivation was to increase the lifespan of the landfill and to postpone a costly long-haul. The facility was permitted, designed and built by a team of engineers and vendors. It began operation in the summer of 2006. ECS ...
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Mariposa compost facility odor remediation update
Staring in the winter of 2006 the staff at the Mariposa Compost Facility worked quickly to make process changes to bring odor issues under control. Here is the latest chapter in their story. Odor (incident) Logs In January 2007 the Local Environmental Agency (LEA) provided "odor logs" to the county residents that were troubled by the compost facility's odors. The odor logs were collected ...
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Commercial composting provides food for thought
The retail sector and food manufacturers produce a mountain of waste but, unlike householders, they cannot simply throw it in the compost and wait for it to rot down. The Compost Association told edie about the obstacles in the way of recycling waste from the commercial sector. Compared to household domestic waste, biodegradable matter from the retail and catering sector represents only a small ...
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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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