wastewater biofilter Articles

  • Longer Life For Biofilters

    Biofilters are the odor control system of choice at composting facilities. Despite similar capital costs, the biofilters are generally less costly to operate than chemical scrubbers. The key to keeping operating costs in check, however, is to get the maximum use out of the biofilter media, thus avoiding the time and money needed to do media replacements. Allen Boyette, senior engineer and manager ...


    By BioCycle Magazine

  • Biofilters vs Asdorption

    In the last three decades biological technologies have emerged as a sustainable and economically-viable alternative compared to traditional techniques like adsorption/absorption for purifying gases. They were well-received initially in the industry and interesting products with good results were carried out for several years. However, owing to a series of reasons that will be detailed in this ...


    By Bioconservacion SA

  • Performance evaluation of an aerobic biofilter with high organics containing synthetic wastewater

    The organics removal performance of a lab-scale aerobic biofilter of volume 0.6 L was studied using synthetic wastewater and waste automobile tyre-tube beads as media. The column study was performed under Chemical Oxygen Demand (COD) in the range of 500-1500 mg/L at an empty bed contact time (EBCT) of 2 h. The treatability constant at 27°C was found to be 41.963. A maximum COD removal efficiency ...


    By Inderscience Publishers

  • Small domestic wastewater treatment using waste materials

    Phosphorus pollution of groundwater from small wastewater system is often considered as a major threat for aquatic habitats. Recirculating biofilters are often used to treat small wastewater systems without significant removal of phosphorus. In this paper, a low-cost waste material (dried alum residual) in pre-treated effluents from recirculating biofilters was examined. Two different types of ...


    By Inderscience Publishers

  • Performance of a biofilter system with agave fiber filter media for municipal wastewater treatment

    Agave plants grow in semi-arid regions and are used for mescal production. However, agave fiber by-products are considered waste materials. Thus, we tested agave fiber as a filter media and biofilm material carrier for removing pollutants from municipal wastewater. Three laboratory-scale biofiltration reactors were used in two trials with five hydraulic loading rates (HLRs = 0.27, 0.54, ...


    By IWA Publishing

  • 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

  • Review of Biofiltration - Effect of Support Media on Biofilter Performance

    Technologies for removal of hazardous pollutants from air have gained increased importance following the 1990 Clean Air Act Amendments (CAAA). Biofiltration is an emerging and attractive technology for the removal of volatile organic chemicals (VOCs) present at low concentrations in air. Traditional VOC removal technologies involve physical or chemical processes such as adsorption, condensation, ...


    By PRD Tech, Inc.

  • Comparison of BIOCUBE’s patented odor control system with in-ground biofilters

    About the Project Summary: The apparent simplicity of the biofiltration process is deceptive. Various biofilter designs have been applied to wastewater odors since the 1920s, however, the acceptance of biofilters by the industry has been hampered by unreliability in the majority of designs. The BIOCUBE™ System, as patented by Biocube, ...


    By Biorem Technologies Inc.

  • Wastewater Treatment Kipawa Eagle Village - First Nation - 2001

    Since January 2001, a BIOSORTM system has been treating Wastewater of the first nation Kipawa, a community of 680 inhabitants in Western Quebec. Stable performance, ease of operation, low maintenance and robustness provided with a BIOSORTM process make it a very satisfying solution for this client. Overview Inhabitants: 680 Design Flow: 125 m3/d ...


    By H2O Innovation

  • Onsite wastewater nitrogen reduction with expanded media and elemental sulfur biofiltration

    A passive biofiltration process has been developed to enhance nitrogen removal from onsite sanitation water. The system employs an initial unsaturated vertical flow biofilter with expanded clay media (nitrification), followed in series by a horizontal saturated biofilter for denitrification containing elemental sulfur media as electron donor. A small-scale prototype was operated continuously over ...


    By IWA Publishing

  • Aerated biofilter with seasonally varied operation modes for the production of irrigation water

    Water reuse for agricultural irrigation can contribute to the conservation of valuable water resources and opens the possibility to reuse the wastewater's nutrients (N and P) at the same time. As irrigation is usually limited to vegetation periods, effluent requirements for treated wastewater may vary seasonally. A process concept for wastewater treatment with variable operation modes for the ...


    By IWA Publishing

  • Evaluation of the absorption bed`s efficiency under the Ecoflo Biofilter

    The Ecoflo Biofilter is a wastewater treatment system designed for the sanitary drainage of decentralized dwellings. Preceded by a scptic tank, the chain of treatment comprises a biofiltration unit and a polishing field allowing the treated wastewater to be absorbed by the rcceptor ground. The Ecoflo Biofilter performances have been evaluated by numerous organizations (MDDEP, BNQ, NSF, CSTB, ...


    By Premier Tech Aqua

  • Paper Industry Wastewater

    Standard discharge, reclaimed water reuse and zero effluent discharge 1. Pulping Wastewater is the most difficult wastewater to be treated in the papermaking industry. The organic pollutants and inorganic salts are high in content, complex in composition, high in hardness, high in costs. The technical staff of JIUWU work with experts from the Institute of Membrane Science and Technology of ...


    By Jiangsu Jiuwu Hi-tech Co

  • Wastewater treatment plant odor control - Case Study

    Client: Karcher Creek JWWTF in Port Orchard, Washington Facility:  A Wastewater Treatment Plant (WTP) located in a scenic and residential area Problem: How to eliminate wastewater odors with limited space available. Decision: The decision was to build a BOHN BIOFILTER system on the roof of a mixing ...

  • A Submerged Attached Growth Bioreactor for Decentralized Wastewater Treatment

    ABSTRACTThe Amphidrome® process is a submerged attached growth bioreactor (SAGB) that has been used in Massachusetts, Connecticut, Rhode Island and New Jersey for decentralized wastewater treatment systems ranging in size from 440 gpd to 150,000 gpd. The two primary advantages of a SAGB are the small volume requirement and the elimination of downstream clarification. Five years of data from four ...

  • Biotreatment of waste gas containing pyridine in a novel rotating rope biofilter

    A novel Rotating Rope Biofilter (RRB) has been developed especially for the treatment of Volatile Organic Compounds (VOCs) at higher loadings and characterised by high volatility along with high water solubility. The RRB provides a higher interfacial area (per unit reactor liquid volume) along with high oxygen mass transfer rate, greater microbial culture stability, and consequently higher ...


    By Inderscience Publishers

  • Remediation of nitrate-contaminated wastewater using denitrification biofilters with straws of ornamental flowers added as carbon source

    Straws of four ornamental flowers (carnation, rose, lily, and violet) were added into denitrification biofilters using gravel as matrix through vertically installed perforated polyvinylchloride pipes to provide organic carbon for the treatment of nitrate-contaminated wastewater operating in batch mode. Removal efficiencies of nitrate and phosphate, as well as temporal variations of nitrogen ...


    By IWA Publishing

  • Footprints and Capital Costs Reduction for Onsite Wastewater Treatment Systems - a Novel Dual Media Recirculating Biofilters

     ABSTRACT The purpose of this study was to develop a dual media filter bed design for recirculating biofilters (RBFs) for achieving high level treatment to meet the strict wastewater discharge regulations. Five types of filter media were applied in the bench scale RBFs, including two single media (crushed glass or CG, geotextile or GT), and three dual media with CG and GT at different ...

  • Comparison of BIOCUBE’s Patented Odor Control System with In-ground Biofilters - Case Study

    About the Project Summary: The apparent simplicity of the biofiltration process is deceptive. Various biofilter designs have been applied to wastewater odors since the 1920s, however, the acceptance of biofilters by the industry has been hampered by unreliability in the majority of designs. The BIOCUBE™ System, as patented by Biocube, ...


    By Biorem Technologies Inc.

  • Biological treatment of pharmaceutical wastewater from the antibiotics industry

    Pharmaceutical wastewater generated by an antibiotics (penicillin) company was treated by aerobic membrane bioreactors (MBRs) and sequencing batch reactors (SBRs). At a low organic loading rate of 0.22 kg-COD m−3d−1, both types of reactors were capable of treating the wastewater such that the treated effluent met the discharge regulation except for the total dissolved ...


    By IWA Publishing

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