composting temperature Articles

  • The influence of aeration system, temperature and compost origin on the phytotoxicity of compost tea

    Numerous studies have evaluated compost teas’ capacity to suppress plant disease, but no study has been made of possible compost tea phytotoxicity. In this study, 24 assays were carried out on compost tea produced from three different composts: one produced from bovine manure (M) and two others made from municipal solid waste but differing in the degree of stability (stable: MSW I and unstable: ...


    By BioCycle Magazine

  • Development of time-temperature probes for tracking inactivation during composting

    Performing compost quality assessment such as compost stability is quite necessary for rating the quality of horse manure and biowaste composts and meeting specific regulatory requirements on the composition and compost process. The aim of this study was to identify an appropriate feedstock composition for use in the production of high quality compost. The objectives were to (1) identify an ...


    By BioCycle Magazine

  • Development of time-temperature probes for tracking pathogen inactivation during composting

    Pathogen inactivation is expected to occur in compost if temperatures over 55°C (131°F) are maintained for at least 3 days, or 15 days in windrows. However, a literature review revealed pathogen survival in a significant number of processes appearing to meet the prescribed time-temperature criteria. It was hypothesized that pathogen survival may be due to the existence of undetected temperature ...


    By BioCycle Magazine

  • January Composting Roundup

    St. Paul, Minnesota: State DOT Issues New Compost Specs The Minnesota Department of Transportation (MNDOT) updated its specifications for using finished compost in MNDOT projects in the 2018 Edition of its “Standard Specifications For Construction.” The two main changes to the specs, explains Kayla Walsh of the Minnesota Pollution Control Agency, are: 1) Inclusion of food ...


    By BioCycle Magazine

  • Composting Livestock Mortalities

    Performance, composting methods, environmental impacts and biosecurity of the process are evaluated for emergency disposal of cattle by research team at Iowa State University. A THREE-YEAR study was commissioned by the Iowa Department of Natural Resources to evaluate the practical feasibility, performance, environmental impacts and biosecurity of using composting for emergency disposal - should a ...


    By BioCycle Magazine

  • Troubleshooting the Compost Pile

    While composting is a biological process, we as composters must provide the microorganisms that do the work with the conditions they need to do their job. If there is a problem with the system, then look at it from the point of view of the microbe. What does that microbe need to function, and why isn’t it functioning correctly? Microorganisms need a source of energy organic feedstocks to feed on ...


    By BioCycle Magazine

  • Classification of Compost Turners

    Compost turner can be divided into 3 kinds. I would like to introduce them to you one by one. 1. Self-propelled Compost Turner Our self-propelled organic fertilizer turner is with 4 wheels. The whole body of the compost ...


    By Allance Fertilizer Machinery

  • Characterizing the Composting Industry

    Untitled Document The first step in characterizing an industry is defining who belongs. The next step is identifying tools to measure its economic vitality. ...


    By BioCycle Magazine

  • Composting In rural Alaska

    Gardeners, communities and commercial enterprises have proven that composting works in Alaska, especially given large quantities of fish waste and diminishing landfill capacity. ALASKA is two and a half times larger than the largest state in the lower 48 states. Over half of the entire state’s population lives within the municipality of Anchorage. Many Alaskan villages can only be reached ...


    By BioCycle Magazine

  • Influence of temperature during the initial phase of Composting on biological activity and emission of Ammonia and dinitrogen oxide

    Composting is a robust and cheap biological treatment method useful for all solid biodegradable waste. The performance of composting can vary substantially depending on managing conditions such as oxygen supply and compost temperature. Oxygen and temperature affects the rate of degradation and may also influence emission of NH3 and N2O. The gaseous N losses during composting from organic ...


    By ORBIT e.V.

  • Compost Users Forum: The Applied Thoughts Of A Compost Theorist

    WITHIN a 60-mile radius of my office here in central California, there are 1,000 dairies — each having an average of 2,000 cows. They generate over four million tons of manure annually, so we are pretty much in the manure business whether we want to be or not. Somebody has to manage this material and help the farmers utilize it properly, fulfilling its potential monetary value. That’s what we ...


    By BioCycle Magazine

  • Effect of different forced aeration methods on Vertical temperature distribution and reaction rates During composting

    The application of forced aeration, namely in the upflow (blowing) or downflow (suction) mode has been increasing in modern composting processes. These aeration modes often create a sharp temperature gradient in the composting mass. Examples of widely varying temperatures at different layers of controlled and non-controlled aerated piles have been reported frequently (Fernandes et al., 1994; ...


    By ORBIT e.V.

  • Composting Site Remediation Success

    Dorchester County, Maryland agreed to a remediation plan that involved composting the 140,000 tons of unprocessed feedstocks stored on site. An aggressive strategy has ...


    By BioCycle Magazine

  • Worming the way to finished compost

    SCREENING AND GRINDING When materials from CR&R and other generators are unloaded, a preliminary screening separates out nonorganic contaminants.    Even though there are source separated programs in places like Temecula and Lake Elsinore, there is the occasional appearance of plastic and glass that needs to be sorted out. Next, Bodlak’s crews put materials through a Vermeer tub ...


    By BioCycle Magazine

  • In-Vessel Composting of Residential Organics

    In 1994, the Regional Municipality of Peel began work on a system for residential organic residuals collection and composting. Although Peel had been promoting backyard composting, greater diversion rates were sought. The public was surveyed to determine what level of cooperation could be expected for source separation and setting out of food, soiled paper products, yard trimmings, etc. “We knew ...


    By BioCycle Magazine

  • Innovations in Compost Facility Structures

    Untitled Document THE PROCESS of turning organic feedstocks - everything from yard trimmings, woody residuals, biosolids and manures - into compost involves moisture, heat and acids that can be tough on ...


    By BioCycle Magazine

  • Composting on the New York Highline

    Friends of the High Line will be taking their composting program to a new level using cutting-edge technology to compost in only 14 days. The Rocket composter technology allows for a continuous process of feeding it daily while constantly aerating the mass inside the vessel, producing high enough temperatures to kill pathogens.  Friends of the High Line ...


    By Tidy Planet Limited

  • Regulation of nitrogen contents of Composts during composting first experimental results

    More than 3 Mio. Mg of compost were produced in Germany in 1998 (Wiemer and Kern 1998). Kitchen and garden waste from households as well as waste from landscaping and parks were used as substrates to a high extent. The composts were mainly used in landscaping, recultivation, horticulture, substrate production and in agriculture. Applied on cultivable land compost can improve the soil structure ...


    By ORBIT e.V.

  • Fires at Composting Facilities: Causes and Conditions

    The subject of fires at composting facilities is a bad news/good news situation. The bad news is that fires are more common than we realize. Ask a group of facility operators if they have had to deal with a fire, and the majority will quietly admit they have. The good news is that we don’t realize that fires are fairly common at composting facilities. Most are neither frequent nor destructive ...


    By BioCycle Magazine

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