Soil Recycling Articles

  • Mobilization assessment and possibility of increased availability of PAHs in contaminated soil using column tests

    Surfactants are well known to increase solubility/mobility of hydrocarbons and can be used to remediate contaminated water and soil. We wanted to explore if Ivey sol R   106 used at less than the critical micelle concentration (CMC) could effectively mobilize PAH (polycyclic aromatic hydrocarbons) from contaminated soil. The first step was to establish a measurement technique. Hence, a ...


    By Ivey International Inc.

  • International Tire Recycling Spotlight: Venezuela

    Tire recycling is a serious global concern. Scrap tires take up far too much space, they can spawn devastating tire fires that burn for weeks or even months when stored together in large numbers, and they they leach chemicals into soil and groundwater. Recycling is an absolute necessity, but not easily done. Most developed countries have produced millions of scrap tires (at the very least), and ...


    By ECO Green Equipment

  • Modelling of the impact of future climate changes on salt accumulation in paddocks of different soil types due to recycled water irrigation

    Recycled water contains elevated amounts of salt compared with irrigation water originating from surface water sources. As such, recycled water, if used for irrigation over a long period of time may increase the root zone salinity. However, the phenomenon depends on variability of climatic condition and soil characteristics. In this study, a salt transport model, HYDRUS 1D, was used to predict ...


    By IWA Publishing

  • DN 1200 Vitrified Clay Jacking Pipes with Intermediate Jacking Pit

    The city of Peine in Lower Saxony lies in a sandy heathland between Hanover and Braunschweig. In the “Dungelbecker Bruch” landscape conservation area on the outskirts of the town’s Dungelbeck district the inlet pipes to the wastewater pump station needed to be renewed for hydraulic and construction reasons. Due to space limitations – the entire length of pipeline runs ...


    By STEINZEUG KERAMO N.V.

  • Connections: Understanding Urban Soil Lead

    There is no such thing as unleaded when talking about soils in urban areas. If a car had ever been driven near or paint had been applied to a home built on the soil prior to 1975, that soil will have measurable concentrations of lead. It can be detected in soils at the subparts per million range. Lead can cause developmental delays and reduced mental capacity. In short, lead is bad. But does a ...


    By BioCycle Magazine

  • Bioremediation of hydrocarbon impacted soils - Marchbanks, Dundee

    Client: Dundee City Council Objective: Bioremediation of hydrocarbon contaminated soils to achieve compliance with the Waste Acceptance Criteria (WAC) for Mineral Oil (C10 – C40); with the intention of re-using the soils to Riverside Recycling Centre to be used as a capping layer. Challenge: Approximately 2,800 m3 of hydrocarbon ...


    By Soilutions Ltd

  • GCL serves as cap in brownfield remediation site

    PROJECT: Patterson Plank Road Brownfield Remediation LOCATION: Patterson, New Jersey PRODUCTS: BENTOMAT® SDN BACKGROUND: This New Jersey brownfield was formerly the site of a chemical recycling facility. CHALLENGE: The soil at the site was heavily contaminated, and off-site removal would have ...


    By CETCO

  • Ecological sanitation: An alternative route to sustainable livelihoods

    Most of the cities in Nepal,  except  Kathmandu,  the sewerage system  and onsite sanitation system are very poor due to improper management, less attention, and lack of political commitment of Gevernments of Nepal. The planned and safe disposal of human excreta is a must for preventing drinking water from pollution and conserving soil fertility. The conventional linear ...


    By IWA Publishing

  • Ancient water management techniques to counteract drought and desertification in the Mediterranean

    People always have had to confront themselves with the unforeseeable behaviour of the environment and climatic variability. However, for the first time in the history of our planet, climatic change is today caused by human activity. This situation of global crisis is caused by a series of factors that make of the present emergency a new scenario, exposing entire areas of the planet to the risk of ...


    By IWA Publishing

  • Derwen construction commissions a new washing plant for aggregates

    Who’s involved? Derwen Construction and the Wales Environment Trust. Background. Derwen Construction was established in 1993 as a civil engineering company, however three years ago, when they began to find it difficult to find landfill sites for the inert waste generated on their sites, they decided to become self sufficient and set up a recycling plant, ...


    By CDEnviro

  • Material flows analysis of construction aggregates in Taiwan

    Recent decades of economic and industrial development have accelerated the demand for and use of construction aggregates in Taiwan. Material Flows Analysis (MFA), the most common analysis tool of the scientific field of industrial ecology, was employed in this study. The study calculated, within a decade period, the deposits, domestic production, demand, import, export, per capita and per unit ...


    By Inderscience Publishers

  • Biosolids increase soil aggregation and protection of soil carbon five years after application on a crested wheatgrass pasture

    Biosolids application to rangelands and pastures recycles nutrients and organic matter back to soils. The effects of biosolids (20 and 60 dry Mg ha–1) and N+P fertilizer on soil aggregate stability, bulk density, aeration porosity, and total C and N of stable aggregates were evaluated 4 and 5 yr after surface application to a crested wheatgrass [Agropyron cristatum (L.) Gaertn.] pasture in the ...

  • Wallboard goes green as firms recycle gypsum

    Gypsum wallboard — the ubiquitous material found in homes, offices and other buildings — is finding new life when recycled as a soil additive, especially for farm crops. Rather than seeing wallboard being dumped in landfills, companies such as Quality Soil Amendments (QSA) in California and Agri Marketing, Inc., in Pennsylvania have built successful businesses recycling drywall, then reselling ...

  • Tyre aggregate applications in geotechnical and geoenvironmental engineering

    A Tyre Aggregate (TA) is made from scrap/waste rubber tyres. Four types of tyre aggregates are classified, namely the coarse-grained, fine-grained, random and composite tyre aggregates. Applications of these tyre aggregates are varied, but they are often used as geomaterial fills and highway-pavement components. More recently, TA has found application in geoenvironmental engineering. This paper ...


    By Inderscience Publishers

  • Impact of Lime Dose and Mixing Quality on Odor Generation by Lime-Stabilized Biosolids

    ABSTRACTOdor generated from lime-stabilized biosolids with various lime doses and mixing regimes was studied during two bench scale experiments over four weeks of storage to determine the correlation between the lime stabilization process and odor strength. For the first bench scale experiment, dewatered solids were mixed with various lime doses (4.5% and 11.7% by wet weight) under various mixing ...

  • Potential applications of lignocellulose-decaying fungi in waste treatment

    Lignocellulose of plant biomass represents the greatest pool of organic carbon on earth. Basidiomyceteous fungi capable of causing different kinds of lignocellulose decay are important biomass recyclers, thereby transforming lignocellulose of plant biomass into soil humus matter. In these organisms, this is done by an extracellular machinery which generates different kinds of strong oxidants, ...


    By ORBIT e.V.

  • RCRA Closure of Materials Disposal Area P, Los Alamos, New Mexico

    Material Disposal Area P (MDA-P) is undergoing clean closure under the Resources Conservation and Recovery Act (RCRA) as regulated by the New Mexico Environmental Department. The MDA is located on the north-facing slope of Canyon de Valle, an ephemeral drainage in Technical Area 16 of the Laboratory. It was operated from 1950 to 1984 and received materials from the burning of high explosives ...


    By Weston Solutions, Inc

  • A Citizen`s Guide to Chemical Dehalogenation

    What is chemical dehalogenation? Chemical dehalogenation is a chemical process to remove halogens (usually chlorine) from a chemical contaminant, rendering it less hazardous. Halogens are a class of chemical elements that include chlorine, bromine, iodine, and fluorine. Polychlorinated biphenyls are halogenated compounds that once were used in high voltage electrical transformers because they ...

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