Chipping Equipment Articles

  • Mesquite wood chips (Prosopis) as filter media in a biofilter system for municipal wastewater treatment

    The biofiltration system over organic bed (BFOB) uses organic filter material (OFM) to treat municipal wastewater (MWW). This study evaluated the performance of a BFOB system employing mesquite wood chips (Prosopis) as OFM. It also evaluated the effect of hydraulic loading rates (HLRs) in order to achieve the operational parameters required to remove organic matter, suspended material, and ...


    By IWA Publishing

  • Compact fragmentising machines for user-orientated solutions

    MERCODOR GmbH Sondermaschinenbau KG has been manufacturing custom-made fragmentising machines for volume reduction and recycling for 30 years. In particular, the compact design of the fragmentisers allows decentralised use under difficult local conditions. Besides traditional areas of use, such as fragmenting production residues and waste in the form of wood, paper, glass, metal chips, food ...

  • Chitorem chitin complex barrel test at the national tunnel NPL site in black hawk, Colorado

    Background Superfund Study Area covering 400-square mile drainage basin of Clear Creek. Discharge from National tunnel Adit contains elevated levels of metals and low p H. CHITOREM chitin complex tested as substrate for sulfate reducing bioreactor (SRB). CHITOREM chitin complex evaluated against corn stover, wood chips, and continuous feed ...


    By JRW Bioremediation, LLC

  • C2 CalibrationSolution for a major steel company improves tracking of inventory and reduces calibration time

    At their large ship unloading docks in the port city of Sao Paulo, Brazil, a major steel company unloads large amounts of coal for their steel manufacturing operation. The coal is unloaded from the ships using a large crane that stands more than 200 feet high, and can be moved into place by a drive/track system. After the coal is unloaded into the massive hoppers in the structure, conveyor belts ...


    By Hardy Process Solutions

  • Michigan logger builds new chip fleet with Titan Trailers

    With successful operations already running in excavation and logging, Jim Carey was in no hurry to add new chip trailers to the fleet for his growing biomass business. He took his time to decide where he could expect to get the best return on his latest investments. “When we got into the chipping business four years ago, we bought reconditioned multi-axle trailers to get started. We had ...


    By Waste Advantage Magazine

  • Denitrification in wood chip bioreactors at different water flows

    Subsurface drainage in agricultural watersheds exports a large quantity of nitrate-nitrogen (NO3–N) and concentrations frequently exceed 10 mg L–1. A laboratory column study was conducted to investigate the ability of a wood chip bioreactor to promote denitrification under mean water flow rates of 2.9, 6.6, 8.7 and 13.6 cm d–1 which are representative of flows entering subsurface drainage tiles. ...

  • Turning wood chips and sawdust into a valuable solid fuel

    RUF briquetting units are the economical solution for the processing of wood chips and sawdust. Where timber is planed, turned and sanded, manufacturers end up with large quantities of wood chips and sawdust. By briquetting this material, you can recover a valuable solid fuel. Where large quantities are produced, the single briquette pressing system developed by RUF GmbH is the most economical ...

  • Pesticide removal from wastewater

    In this study, the removal of 2,2 ? dichlorovinyl ? o,o ? dimethyl phosphate (DDVP) from wastewater by adsorption was carried out. DDVP is an organophosphorus insecticide widely used in agriculture in Turkey. Adsorbents used in the study were agricultural waste straw, wood chips and ground corncobs. Adsorption of DDVP onto these materials from wastewater was evaluated by using a batch system. ...


    By Inderscience Publishers

  • Concentrations of organic wood preservatives in wood chips produced from wood wastes

    We investigated the concentrations of wood preservatives in the wood chips produced in wood-waste processing facilities in 1988, 1998–1999, and 2001–2002. Among the wood preservatives used in the past in Japan, halophenols, including PCP, chlordane, and chlorpyrifos, had comparatively high detection rates and high average concentrations in the wood chips produced in 2001–2002. Aldrin and endrin ...


    By Springer

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