soil blending Articles

  • Mixed waste composting trends

    It's been about 25 years since vendors started marketing systems to process mixed municipal solid waste via composting in the U.S. Today, there are 13 plants, most fulfilling their niche in the communities they serve - whether managing MSW in high tourism areas, or processing residual organics from materials recovery facilities. Table 1 provides summary data on the 13 facilities. While we did not ...


    By BioCycle Magazine

  • Mixed MSW composting in transition

    WITHOUT a doubt, composting the mixed municipal solid waste stream is a “niche” business. It is an MSW management option that seems to be viable in very specific situations. In some instances, these plants were built to service tourist destinations, often in somewhat rural areas where recycling is difficult and landfills are distant. In several other cases, public agencies built plants to extend ...


    By BioCycle Magazine

  • Compost Operator Training

    Compost operator training programs - available in 17 states or regions - are transferring the knowledge and tools to stay on the positive side of the management challenges that arise in day-to-day operations.   RECYCLING organic ...


    By BioCycle Magazine

  • Bioaugmentation in Sewer network reduces sludge production case study

    Sludge is an obvious by-product generated from the physical, chemical and biological treatment processes of a wastewater treatment plant (WWTP) as shown in Figure 1. Sludge management, which includes treatment, hauling, and disposal, is one of the biggest burdens facing municipal plants. The costs of sludge management account for 55% of the total WWTP operating cost and 35° o of the capital ...

  • National Biosolids Overview

    In all, the 1990s have been good for the biosolids recycling community. Greater quantities of biosolids are being beneficially used than ever before, there are national biosolids regulations that are widely accepted as a good baseline, and there is an extensive, accessible network of researchers, practitioners, advisers and public officials who when combined, provide thousands of years worth of ...


    By BioCycle Magazine

  • Operator Strategies : Sorting Out the Plastic

    BETTER BUGS Ideas and products in the Better Bugs category attempt to affect the biological components and biochemistry of processes by altering the mix of microorganisms or enzymes present. After all, biology is the foundation of many, if not most, organics recycling systems. Pyrophiles: The first example of Better Bugs involves pyrophilic organisms, bugs that can take the heat. This example is ...


    By BioCycle Magazine

  • MSW Composting in the United States

    Massachusetts became home to two new composting facilities that process MSW and biosolids. Nationally, the total number of operating plants is 19. Since the mid-1980s, BioCycle has been conducting an annual, nationwide survey of municipal solid waste (MSW) composting facilities. From the late 1980s into the early 1990s, when it was projected that landfill capacity would drop and tipping fees ...


    By BioCycle Magazine

  • Public/private partnering facilitates organics diversion

    Windham Solid Waste Management District (WSWMD) provides recycling services to 19 towns in the southeast corner of Vermont, serving a population base of 37,000, plus a significant number of second home residents, as well as tourists. Based in Brattleboro, WSWMD operates drop-off recycling at 22 locations, with materials processed at a dual stream materials recovery facility (MRF) owned and ...


    By BioCycle Magazine

  • Who Owns Groundwater?

    California’s drought underscores the need to improve how the state - and the rest of us - divvy up a resource in demand. Grapevines march across wires strung along rolling hills, their little trunks improbably supporting heavy black fruit. Cindy Steinbeck’s family has been farming this land since 1920. They grow Zinfandel, Viognier, Cabernet, Merlot, and Petite Syrah grapes but are ...


    By Ensia

  • Big Apple goes big on organics recycling

    NYC Will Have Largest Organic Waste Curbside Collection Program in Nation “DSNY’s Expansion of Food Scraps and Yard Waste Collection in Queens Makes Program Available to More Than 961,000 Residents” So read the headline of a November 14 press release from the New York City Department of Sanitation (DSNY) that announced DSNY’s expansion of food scraps ...


    By BioCycle Magazine

  • Plaza Las Fuentas, Pasadena, California - Case Study

    Project Name: Plaza Las Fuentas Product: Draincore2 drainage layer Application: Planter Drainage City: Pasadena ...


    By Invisible Structures, Inc.

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