dissolved air flotation clarifier Articles

  • Seven Ways Your Facility Isn’t Meeting Effluent Regulations and How to Solve Them

    Whether you own, operate, or help manage a municipal or industrial facility that deals with wastewater, it’s important to understand how wastewater treatment can play a significant role in the overall health of your business, especially when it comes to meeting effluent regulations. This is an important part of the wastewater treatment process to consider, as ignoring it could earn your ...


    By SAMCO Technologies, Inc.

  • Sedimentation & Centrifugation World Markets Report

    Provides analyses & forecasts for centrifuges, clarifiers and thickeners, hydrocyclones and dissolved air flotation. Company analysis & segmented industry forecasts are included. Details are provided for municipal, chemical, pulp & paper, food, metals and other industries. One volume is exclusively devoted to individual company analyses. Rapidly growing segments, such as centrifuges ...


    By The McIlvaine Company

  • Wastewater-Primary Treatment

    Primary Treatment is defined as a wastewater treatment process that takes place in a rectangular or circular tank and allows those substances in wastewater that readily settle or float to be separated from the water being treated. This process achieves solids separation. The solids readily available to settle to achieve sedimentation will do so in a settling tank referred as a clarifier. On the ...

  • Ten Commandments of TSS Treatment

    Wastewater managers and operators are tasked with the goal of removing as much Toatl Suspended Solids or TSS as possible from the wastewater stream at lowest possible cost.  This removal may be necessary to meet regulatory requirements or simply cost avoidance.  Whatever the case may be there are 10 steps that can be taken to assure the maximum performance possible by a dissolved air ...

  • Quietly Saving 425 HP on Five DAFS

    Great Lakes Pulp & Fibre, Menominee, Michigan, USA invited World Water Works to demonstrate the ability to reduce operational costs associated with two Poseidon dissolved air flotation systems (DAFs). The mill stipulated that the performance of the DAFs must not be negatively affected by any operational cost reductions. The inefficiency of the existing air dissolving technology presented the area ...


    By World Water Works, Inc.

  • Adapter bacteria control oil spill in bulk

    Introduction Microbac was called in to advise on a required treatment for an integrated bulk oil handling facility and sea-land terminal, receiving, storing and shipping a wide variety of liquid fuels, inorganic chemicals and petrochemicals, many of which are toxic to microorganisms. The variable and complex waste streams from tank truck cleaning, ballast and tank cleaning discharges from ...


    By Microbac Ltd

  • Amerities South- railroad tie facility

    PEWE has developed a new patent pending process equipment system for clarifying mixed solids flows of aerobically treated waste streams.  It is a dissolved air flotation clarifier, or commercially the PEWE T2-MaxTM ...


  • HS-200 Stands the test of heavy manufacturing

    A manufacturer of aircraft component generates a free and emulsified oily wastewater, which results from their machining, milling, cutting, and other operations. Presently, they are using skimmers and dissolved air flotation to remove oil from the water. To remove their heavy metals they follow up with flocculation, precipitation and clarification. Due to the rapidly ...


    By Hydrosil International

  • You can dewater your cake and pump it too! Conveyance options for OCSD Plant 1

    OCSD is currently upgrading Reclamation Plant 1 to co-thicken primary and waste activated solids using centrifuges. Digested solids will also be dewatered using centrifuges and the two processes will be housed in the same building. A small building footprint, stringent redundancy requirements, and a 200 foot distance between the dewatering and storage facilities requires innovative engineering ...

  • New Energy BFP case study

    Clarification and Dewatering Control Industrial TSS The New Energy Corporation facility in South Bend IN produces 380,000 M3 per year (100 million gallons per year) of ethanol from corn feedstock. It also produces about 272,000 tonnes per year (300,000 tons per year) of carbon dioxide and 299,000 tonnes per year (330,000 tons per year) of distillers' dried grains with solubles (DDGS) ...


    By Komline-Sanderson

  • Process Alternative Comparisons Assisted with Biowin Modeling

    ABSTRACTPermitted at 6.4 mgd on an annual average day basis, the City of Avondale Wastewater Treatment Plant currently employs Nitrification/Denitrification process to produce effluent with maximum total nitrogen of 10 mg/L. The process consists of Aeration Basins followed by Secondary Clarifiers to treat the screened influent after the grit removal. On the solids handling side, the Wasted ...

  • Case study – frozen food applications

    Introduction Clean Water Technology Inc. (CWT), the creator of the Gas Energy Mixing (GEM) System, offers the most advanced primary treatment system on the market. The GEM System provides superior reduction of total suspended solids (TSS), biological and chemical oxygen demand (BOD/COD), fats, oils and grease (FOG) and turbidity and at the same time provides complete expandability in terms ...


    By Clean Water Technology, Inc.

  • What is Wastewater?

    What is wastewater? Wastewater, the waste discharge that first comes to mind in any discussion of stream pollution, is the discharge of domestic wastewater, which contains a large amount of organic waste. Industry also contribute substantial amounts of organic waste, some of which comes from vegetable and fruit packing; dairy processing; meat packing; tanning; processing of poultry, ...

  • Pressure-loss computation procedures for non-Newtonian pipe flow

    Wastewater sludge with solids concentrations above about 2 percent exhibit non-Newtonian behavior, i.e., the sludge apparent viscosity changes with the shear rate (flow velocity). To determine pipeline head loss for sludge streams to and from anaerobic digesters, samples of primary, secondary and digested sludge were collected from Orange County Sanitation District Plant No. 1 and analyzed to ...

  • Automatic Sludge Blanket Level Detector: Monitor & control for effective, efficient processing

    Reducing energy consumption at municipal and industrial plants is, increasingly, a priority. Markland Specialty Engineering Ltd., designing and manufacturing process control instrumentation since 1967, helps achieve this important goal with its Automatic Sludge Blanket Level Detector. By helping facilities reduce waste - reducing unnecessary water, chemical or energy use, and unnecessary ...

  • Full Scale Treatment of Slaughter House and Meat Packing Waste at Jennie-O Turkey Store, Barron, Wisconsin

    ABSTRACTJennie-O Turkey Store owns and operates a 0.057 m3/sec (1.3 MGD) treatment plant for treating wastewater from the slaughter of 26,000 turkeys per day. In 2000, Jennie-O Turkey Store was required by the Wisconsin Department of Natural Resources (WDNR) to remove phosphorous below 1 mg/l. The existing lagoon system with seepage cell was not removing phosphorous cost effectively and odors ...

  • GWT BIO PS10 Series Case Study- Petrochemical Sludge Reduction

    GWT BIO™ Series Natural Microbiological Product Petroleum Refinery Field Case Study This field case study describes how our GWT BIO PS10 series natural microbiological product provides an alternate solution for disposal of hazardous organic compounds and offers a long term, cost-effective solution to the toughest waste water ...

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