bioreactor system Articles

  • Membrane Bioreactor Pilot

    The problem A company which produces a product that requires a constant supply of relatively clean water is planning to expand by adding new process units online.  The plant currently uses well water as a supply to its production.  The water production from the well is limited.  They need to install a system to produce reuse water to reduce the amount of water required ...


    By Dynatec Systems Inc.

  • Membrane Bioreactors – Enviroquip MBR Systems (Retrofit)

    The Leoni Township’s wastewater treatment plant (WWTP) serves thirteen communities across three counties including the Michigan Speedway complex. A moratorium on growth was put in place until capacity and treatment issues with an aging aerated lagoon system could be addressed. In June of this year, construction of a new membrane bioreactor (MBR) ...

  • Future Perspectives in Bioreactor Development

    The paper discusses conversion capacities of both anaerobic and aerobic wastewater treatment systems in relation to growth kinetics, hydrodynamics and biomass concentration. In the current modern anaerobic high-rate reactors the conversion potentials are optimally exploited. This is not yet true for aerobic systems since operation of aerobic systems under conditions of low biomass growth reduces ...


    By Paques B.V.

  • Membrane Bioreactor for National Park

    The problem: Assateague Island is a barrier island that stretches from the Eastern shore of Maryland down Atlantic coast to Virginia. The island is a National Park, administered by the National Park Service, under the National Seashore division. Assateague Island is a vital resting and feeding area for birds and also is home to more than 300 wild ponies. The park receives about 1 ...


    By Dynatec Systems Inc.

  • Membrane Bioreactor for Sanitary Landfill

    The Problem The county of Warren NJ owns and operates a sanitary landfill in Oxford Twp, NJ. The facility generates an average of 50,000 gallons per day of leachate, with peaks to 100,000 gallons per day. The facility was discharging to a local POTW from their lagoon, but they were facing requirements for nitrogen removal from the POTW and needed a new system to provide ...


    By Dynatec Systems Inc.

  • Membrane Bioreactor for Retirement Community

    The facility: Glen Meadows is a retirement community located next to Gunpowder Falls State Park in north-central Maryland’s open country.  The community has Independent Living, Assisted Living, and Skilled Nursing and Rehabilitation facilities. The problem: The facility has grown significantly over the years. At first, a septic system ...


    By Dynatec Systems Inc.

  • Membrane Bioreactor for Automobile Manufacturer

    Dynatec provided a system to treat wastewater from Ford's automotive assembly plant. The Problem The existing batch chemical treatment system for oil and metals removal was unable to meet the new standards for discharge to local POTW. The new requirements called for lower BOD and total Nitrogen and there was no way to make the existing system able to meet the standards. ...


    By Dynatec Systems Inc.

  • Slot Injector™ Aeration System for Membrane Bioreactor (MBR) Plants

    KLa Systems has recently completed our 23rd MBR aeration system project using our Slot Injector™ aeration technology. These plants are for industrial customers and although predominantly in the food & beverage sector, we have also supplied MBR aeration systems for leachate treatment, chemical and petrochemical processing effluent. Slot Injector™ aeration technology is ideal for ...


    By KLa Systems, Inc.

  • Membrane Bioreactors for RO Pretreatment

    ABSTRACTCurrently, treated municipal wastewater is typically discharged to the environment in most parts of the world. It is, however, a potential water resource from which high quality water for reuse can be produced. Reuse applications include both non-potable applications such as irrigation and production of industrial process water, and indirect potable reuse including aquifer recharge. For ...

  • Tomato Processor Pilot Bioreactor

    98% Average Reduction in BOD & TSS A tomato processing facility was required by the city to reduce BOD from 4,000 ppm to 200 ppm. Integrated Engineers proposed a small scale Bioreactor to prove the effectiveness of the activated sludge process on the customer’s wastewater as well as establishing the parameters for a full scale system design. The trailer mounted ...


    By Integrated Engineers Inc.

  • Investigation of long-term operation and biomass activity in a membrane bioreactor system

    The aim of this work was to evaluate the long-term performance of a Membrane Bioreactor (MBR) that operated continuously for 2.5 years and to assess membrane fouling and biomass activity under various operating conditions. Furthermore, a method for the characterisation of influent wastewater was developed based on its separation into various fractions. The MBR system operated at the solids ...


    By IWA Publishing

  • A knowledge-based control system for air-scour optimisation in membrane bioreactors

    Although membrane bioreactors (MBRs) technology is still a growing sector, its progressive implementation all over the world, together with great technical achievements, has allowed it to reach a mature degree, just comparable to other more conventional wastewater treatment technologies. With current energy requirements around 0.6–1.1 kWh/m3 of treated wastewater and investment costs similar to ...


    By IWA Publishing

  • Performance of pilot submerged membrane bioreactor treatment systems in girdwood, Alaska

    ABSTRACT The Anchorage Water and Wastewater Utility (AWWU) has conducted pilot testing of an Enviroquip submerged membrane bioreactor (SMBR) and a ZENON SMBR at the Girdwood Wastewater Treatment Facility (GWWTF) located in Girdwood, Alaska. The Girdwood wastewater is unique relative to other municipal wastewaters in that it is dilute, weak and typically low-temperature. This paper summarizes ...

  • Comparative applications of bioreactor and shake-flask systems in the laboratory treatment of oily sludge

    This study investigates the remediation efficiencies of a locally fabricated bioreactor system and a shake-flask system, using samples of oily sludge with varying concentrations of NPK fertiliser. Hydrocarbon removal efficiency of 46% and 24.2% was recorded for the stirred slurries containing 15- and 0-g NPK, respectively, in the bioreactor; whereas values of 40.1%, 33.2% and 18.9%, respectively, ...


    By Inderscience Publishers

  • Membrane Bioreactors for Industrial Wastewater Treatment: Applicability and Selection of Optimal System Configuration

    ABSTRACTThe membrane biological reactor (MBR) configuration has proven to be optimal for treatment of many industrial wastewaters when treatment efficiency is an important consideration. Since installation of the first large, U.S., full scale MBR system for industrial wastewater treatment at the General Motors plant in Mansfield, Ohio in the early 1990s, use of membranes for biomasseffluent ...

  • Selection of Bioreactor Media for Odor Control

    The support media is one of the most critical elements of a biofiltration system. In this chapter, biofilters and biotrickling filters will be referred to as “biofilter”, and this distinction will be discussed later in this chapter. The support media’s main function is to provide contact between the gas-phase contaminants and active microbial cultures either immobilized within and/or attached as ...


    By PRD Tech, Inc.

  • A performance evaluation of three membrane bioreactor systems: aerobic, anaerobic, and attached-growth

    Water sustainability is essential for meeting human needs for drinking water and sanitation in both developing and developed countries. Reuse, decentralization, and low energy consumption are key objectives to achieve sustainability in wastewater treatment. Consideration of these objectives has led to the development of new and tailored technologies in order to balance societal needs with the ...


    By IWA Publishing

  • Performance Assessment of New Membrane Bioreactor Systems at Average and Peak Flow Operation

    To assess the operational performance and effluent water quality of five newly developed membrane bioreactor systems, MWH and City of San Diego conducted a 18-month pilot study at the Point Loma Wastewater Treatment (PLWWTP), San Diego, CA. Various configurations of MBR systems, i.e. hollow-fiber, flat-sheet and external tubular membranes, were tested during the study. Funded by the U.S. Bureau ...

  • The application of membrane bioreactors as decentralised systems for removal of endocrine disrupting chemicals and pharmaceuticals

    The concentrations of some important endocrine disrupting chemicals and pharmaceuticals after various stages of wastewater treatment were investigated. The endocrine disrupting chemicals included natural and synthetic estrogenic and androgenic steroids. The pharmaceuticals included a series of sulfonamide antibiotics and trimethoprim. The removal efficiency of a membrane bioreactor (MBR) was ...


    By IWA Publishing

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