soil blending Articles

  • Innovation Key To Biosolids Digestion

    A $400 million project at the Blue Plains Advanced Wastewater Treatment Plant (AWTP) in Washington, D.C., involves building an innovative biosolids management system comprised of a thermal hydrolysis process, four 3.8-million gallon mesophilic digesters (measuring 70-ft tall by 100-ft in diameter) with fixed covers, a cogeneration system consisting of three 4.6-MW Solar Mercu ry 50 gas turbines ...


    By BioCycle Magazine

  • Prairie and Turfgrass buffer strips modify water infiltration and leachate resulting from impervious surface runoff

    Concerns over NO3–N concentrations in drinking water and potential subsurface transport of P to surface waters are driving legislation on precautionary N and P application restrictions on turfgrass areas and in recommendations for vegetative plantings within urban environments. Two plant communities and three impervious:pervious surface ratios were examined for effects on leachate water quantity ...

  • Engineered wetland removes subsurface hydrocarbons while providing beneficial reuse

    British Petroleum (BP) is operating an engineered wetland to treat petroleum-contaminated groundwater at a 300-acre site in Casper, WY. Release of petroleum products during refinery operations from 1908 until 1991 resulted in significant petroleum hydrocarbon contamination. Over 44,000 yd3 of LNAPL were removed by dual-phase recovery wells and oil/water separators constructed in 1981, but ...

  • Queensland Urban Utilities Upgrades Flood Damaged Site - Case Study

    Adelaide, Australia: Clarke Energy has been commissioned by Queensland Urban Utilities (QUU) to supply two sewage treatment plants (STPs) with new sewage gascogeneration units in Brisbane. Clarke Energy assisting Queensland ...


    By Clarke Energy

  • Case study - Complete Utilities, Gloucestershire

    Material Source: Excavation and trenching waste from the utilities industries. Equipment Installed: Powerscreen Commander 1400 Feeder, Powerscreen Aggwash, DUO Mobile Water Treatment System (inc. centrifuge, clarified water tank, sludge tank and low-level thickener. Project Requirements: Complete Utilities required a washing and ...


    By DUO (Europe) plc

  • Aerobics to the Rescue - Using Compatible Technologies to Improve Groundwater Remediation

    Background Increased opportunities for contaminated property redevelopment have propelled property owners to evaluate options for accelerating site remediation. In some cases a containment technology may have been implemented to mitigate the off-property migration of contamination as the most ...


    By CL Solutions, LLC

  • BioStryke TPHEnhanced pilot study former Ne England landfill – dichlorobenzene contamination on-site evaluation – additive and deployment methodologies case study

    Project Highlights Order of Magnitude Reduction Benzene Concentrations to below Site MCL’s at Injection Well Locations >92% Decrease Chlorobenzene without emissions generating, energy-consuming equipment Order of Magnitude Reduction 1,2-Dichlorobenzene Concentrations in 7-months Elevate Additive Availability Reduced to Baseline by Evaluation ...

  • Wood Recycler Expands Into Compost Manufacturer

    How a company that started as a small tree care service in the late 1980s evolved into a compost and mulch manufacturer with multiple facilities in the Southeast U.S. Our growth since the beginning can be summed up pretty easily — we’ve gone where our customers have needed us to go,” explains Chris Cowart, owner of Cowart, Inc., a large producer of high quality composts and ...


    By BioCycle Magazine

  • Risk Assessment/Toxicology Promotes Health and Welfare of Humans and Ecosystems

    Hundreds of regulations protecting the health and welfare of humans and ecosystems impact industrial and legal firms every day. Commonly, these regulations are associated with protecting human health and the environment from risks associated with site cleanup and closure or remediation projects. Other major health risk regulations are derived from Natural Resources Damage Assessment (NRDA), ...


    By AECOM

  • Fighting saltwater intrusion into groundwater supplies

    As freshwater supplies around the world diminish, human intervention is needed to protect existing sources to slow the onset of water scarcity. One ongoing struggle is to preserve the water in underground aquifers, which cities often rely on for drinking water. Intrusion of saltwater into these underground supplies is rendering them unfit for consumption or irrigation. The rock and soil that ...


    By Fluence Corporation

  • Regional roundup

    Ithaca, New YorkCOMPOSTING PET WASTE AT DOG PARKCayuga Compost and Tompkins County Dog Owners Group launched a program on Earth Day this year to collect and compost pet waste at the Ithaca Dog Park. About 5,000 bags are used to collect 1,000 pounds of dog waste every month at the park. Plastic bags were previously provided by Wegmans supermarket, and disposed of in dumpsters going to ...


    By BioCycle Magazine

  • Water Reuse Terminology

    All water on Earth is used and reused, over and over, in an elegant water cycle. Water reuse occurs in various ways on a daily basis. It happens when a community’s treated wastewater is discharged into rivers or other water bodies. If you live in a community downstream of another, chances are you are reusing water from an upstream town. Scientifically proven advances in water technology ...


    By WateReuse

  • Disposal Company Expands Composting Operations

    Since 1997, Texas Disposal Systems, Inc. (TDS) - an independently owned solid waste company located near Austin, Texas - has operated a composting division, Texas Organic Products (TOP). In our previous BioCycle report ( -Composting Is Alive and Well In Central Texas, - October, 1997), we described how TOP evolved after starting an initial grinding and static pile composting operation at our ...


    By BioCycle Magazine

  • Case study - Sacramento, California: The first U.S. city to power refuse trucks on renewable natural gas (RNG) made from separated food

    California has long been a pioneer in implementing sustainable transportation strategies, and yet again, the State can claim another first-of-its land project in the United States as its own. By collecting and diverting food waste from a local landfill, two Sacramento-area companies, CleanWorld and Atlas Disposal Industries, have opened the Sacramento Biodigester — the first closed-loop ...


    By Energy Vision

  • Got Milk? Got Wastewater Too! Treatment of Dairy Processing Wastewater

    ABSTRACTA major dairy processing operation owned and operated by the Michigan Milk Producers Association (MMPA) located in central lower Michigan was required to design and construct a process wastewater treatment plant within a 14 month period. The system is sized to treat up to 0.5 MGD of dairy processing wastewater at a biochemical oxygen demand (BOD) concentration up to 1,846 mg/L. Effluent ...

  • Wood, Yard Trimmings Recycler Grows by Heaps and Bounds

    GRIND-ALL has been in existence - in one form or another - since 1992. Originally owned by Paul Robins, and operated under the name East Coast Wood Recycling, the company, based in Mosely, Virginia near Richmond, was solely focused on selling wood products at the wholesale level. Three years later Robins joined forces with Robbie Urbine, whose expertise in retail sales allowed the company to open ...


    By BioCycle Magazine

  • 100 Simple Ways To Save Water

    To improve water conservation install a rain sensor, it turns off your irrigation when it rains. Use a weather-based controller. The use of smart controllers can reduce water usage 24% a year on average. Learn about available rebate programs ...


    By Jain Irrigation, Inc

  • Organics Recycling Program Shows Continued Growth

    LAUNCHED in 2000 under the leadership of Nancy Nevil, Director of Sustainability and Environmental Services, the recycling program in the City of Plano, Texas has steadily grown. A grant from the North Texas Council of Governments (NTCOG) provided funds for 95-gallon wheeled carts, biodegradable bags, and educational materials to begin this unique program. Initial participants were the Plano ...


    By BioCycle Magazine

  • TPHEnhanced pilot study - Residual Petroleum Remediation Former Fire Training Center: Naphthalene, BTEX Contaminants Former Chanute Air Force Base, Illinois USA case study

    Project Highlights TPHENHANCED proven to expedite biodegradation of saturated soil/groundwater PHC contaminants, anaerobically TPHENHANCED facilitated >96% reduction in Naphthalene over 13-week evaluation period. TPHENHANCED proven Green and sustainable strategy, minimizing environmental impact and remedial costs. TPHENHANCED cost-effective site ...

  • Ontario Regions Invest In Residential Organics Diversion

    The Regions of Peel and Durham have distributed bins and kitchen containers for source separated organics to 460,000 households to receive weekly curbside collection. Starting April 2nd, residents in Caledon, Brampton and Mississauga, Ontario - all in the Region of Peel - began setting out kitchen waste and soiled paper at the curbside for weekly collection. Between February and March, more ...


    By BioCycle Magazine

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