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  • Sustainable Nutrient Removal With IFAS
    Utility Management AMR AMI and Metering Asset Management Consumer Outreach Funding Labor Resiliency SCADA Automation Source Water All Source Water Contamination Desalination Water Scarcity Water Reuse Regulations and Legislation Providers YSI a Xylem brand Hach Company Schneider Electric Neptune Technology Group Inc Evoqua Water Technologies Veolia Water Solutions Technologies ABB Measurement Products Aclara Jacobi Carbons Endress Hauser Inc KROHNE Inc Kaeser Compressors Inc Emerson Process Management Rosemount Analytical Degremont Technologies Brentwood Industries View All Providers Case Study November 21 2014 Sustainable Nutrient Removal With IFAS Source Veolia Water Technologies The City of Cocoa Beach faced some challenges USEPA had established Total Maximum Daily Loads TMDLs for nutrients and dissolved oxygen DO in the Indian River and Banana River Lagoons in East Central Florida The city s 6 0 MGD water reclamation plant would therefore need to significantly reduce nutrients in its effluent Due to its location any modifications would need to be within the existing plant boundaries Construction would need to take place while the plant remained online And the city would need to continue to serve its reclaimed water system that beneficially reclaimed over 90 of the effluent Veolia Water Technologies Contact The Supplier Contact Details Company Profile MORE

    Original URL path: http://www.wateronline.com/doc/sustainable-nutrient-removal-with-ifas-0001 (2016-02-14)
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  • AnoxKaldnes Hybas Meeting New Limits
    Metering Asset Management Consumer Outreach Funding Labor Resiliency SCADA Automation Source Water All Source Water Contamination Desalination Water Scarcity Water Reuse Regulations and Legislation Providers YSI a Xylem brand Hach Company Schneider Electric Neptune Technology Group Inc Evoqua Water Technologies Veolia Water Solutions Technologies ABB Measurement Products Aclara Jacobi Carbons Endress Hauser Inc KROHNE Inc Kaeser Compressors Inc Emerson Process Management Rosemount Analytical Degremont Technologies Brentwood Industries View All Providers Case Study October 27 2014 AnoxKaldnes Hybas Meeting New Limits Source Veolia Water Technologies The Narragansett Bay Commission s service area encompasses the metropolitan Providence and Blackstone Valley areas Originally constructed in 1901 the Field s Point Wastewater Treatment Facility FPWWTF provides secondary treatment for maximum monthly flows of up to 77 MGD and primary treatment and disinfection for an additional 123 MGD of wet weather flows Total treatment capacity at the Field s Point WWTF is 200 MGD After receiving an NPDES operating permit that required the plant to remove total nitrogen TN to 5 mg L from May through October the Narragansett Bay Commission chose AnoxKaldnes Hybas Hybrid Biofilm Activated Sludge an integrated fixed film activated sludge IFAS process as their solution Veolia Water Technologies Contact The Supplier

    Original URL path: http://www.wateronline.com/doc/anoxkaldnes-hybas-meeting-new-limits-0001 (2016-02-14)
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  • A Radical Solution Lagoon Management Utilizing Natural Biological Processes
    to the fields where soil microbes oxidized the ammonia to nitrate Field nitrate exceeded the limits in some wells The effluent was stinky VFA irritated the skin and frequently clogged spray nozzles The table below reviews the permit requirements and the 12 month average results achieved utilizing the Blue Frog System Water clarity is nearly water white at the 8ft pond to pond transfer level The deep water clarity occurs because the transfer is made below the photic zone 6ft where there are no algae Picture shows the water quality at the 8 foot transfer point Yellow Frog s aerators aerate the top 3 feet and have attached growth media to biologically lower ammonia levels to 9mg l Picture is the Davisboro Pond 1 Cells 1 2 A dense bed of granules plus a fluidized bed of immature granules converts TSS into gas A clarifier section rejects floating algae Sediment is made dense 17 2 Total Solids by worms converting light bacteria into dense worm castings top soil Recalcitrant solids are made digestible by cavitation formed free radical attack in the venturi impingement section 83 8 volatile solids Surface tension is reduced 17 5 helping water soak into irrigated land faster Surface tension also assists the grass crop to uptake water and nutrients from the soil lowering soil nitrate The key to the system working is the development of granules in the sludge layer A granule is a spherical biofilm similar to granules in up flow anaerobic digesters that converts solid TSS into gas in a multi step well known complex process The BFS is an all natural process that selects for preferred indigenous species and then distributes them on attached growth media and at the bottom of the water column Sludge is turned into gas Recalcitrant sludge 10 8 total solids algae and pathogens are attacked by cavitation produced free radicals Recalcitrant sludge becomes worm castings 17 2 total solids Algae and pathogens are pierced by the free radicals and extrude their internal fluids as they die The fatty 4 portion of their fluid is made into fatty acid soap that reduces surface tension making the water wetter The Gold Frog is a Blue Frog base unit that has a patented fine bubble impingement aeration system attached to it The impingement aeration system is utilized for clarification because of it unique ability to rapidly oxidize soluble BOD Lower the specific gravity of surface water sinks insoluble BOD four times faster Digest sludge in situ and meet the permitted Dissolved Oxygen Requirements A Gold Frog installed at the point of discharge within a CSTR is utilized for final clarification This allows clarified surface water to be discharged while solids sink to the bottom for anaerobic digestion The treated water meets the required permitted limitations and is discharged to the receiving environment About Absolute Aeration and their Patented Blue Frog Technology Absolute Aeration is a technology firm that created the revolutionary patented Blue Frog System BFS The Blue Frog System is

    Original URL path: http://www.wateronline.com/doc/a-radical-solution-lagoon-management-utilizing-natural-biological-processes-0001 (2016-02-14)
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  • VLR System For Biological Treatment
    Resiliency SCADA Automation Source Water All Source Water Contamination Desalination Water Scarcity Water Reuse Regulations and Legislation Providers YSI a Xylem brand Hach Company Schneider Electric Neptune Technology Group Inc Evoqua Water Technologies Veolia Water Solutions Technologies ABB Measurement Products Aclara Jacobi Carbons Endress Hauser Inc KROHNE Inc Kaeser Compressors Inc Emerson Process Management Rosemount Analytical Degremont Technologies Brentwood Industries View All Providers Case Study October 8 2014 VLR System For Biological Treatment Case Study Source Evoqua Water Technologies Economic development has its price and sometimes calls for major upgrades to a community s wastewater treatment facilities In Fort Dodge Iowa that was the case where expansion of new Cargill and CJ Bio America plants in a nearby industrial park required additional capacity and BOD and TKN removal capabilities at the Fort Dodge Water Pollution Control Facility FDWPCF The two agricultural production plants added about 5 MGD flow to the FDWPCF and increased BOD and TKN loadings by 100 to 300 percent respectively To meet the new treatment requirements Fort Dodge chose to expand the biological treatment technology it had been using for several years the Evoqua VLR System Essentially an oxidation ditch tipped on its side the system not only saved on construction costs and footprint requirements when compared to conventional treatment it gave the Fort Dodge plant the ability to simultaneously nitrify and denitrify We selected VLR systems back in 1998 when we faced new ammonia limits explains Mike Trotter of McClure Engineering Co Fort Dodge the design firm on the project We decided to install suspended growth biological technology to replace our old two stage trickling filters We looked at several biological processes and the VLR systems offered more flexibility he says noting that the design team and the city were looking ahead to anticipated nutrient removal

    Original URL path: http://www.wateronline.com/doc/vlr-system-for-biological-treatment-0001 (2016-02-14)
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  • New And Innovative Rare Earth Technology For Low-Level Phosphorus Removal
    and Sewer Line Maintenance Stormwater Regulations and Legislation Industrial Food Beverage Petroleum Refining All Petroleum Refining Produced Water Power Generation Water Reuse Utility Management AMR AMI and Metering Asset Management Consumer Outreach Funding Labor Resiliency SCADA Automation Source Water All Source Water Contamination Desalination Water Scarcity Water Reuse Regulations and Legislation Providers YSI a Xylem brand Hach Company Schneider Electric Neptune Technology Group Inc Evoqua Water Technologies Veolia Water Solutions Technologies ABB Measurement Products Aclara Jacobi Carbons Endress Hauser Inc KROHNE Inc Kaeser Compressors Inc Emerson Process Management Rosemount Analytical Degremont Technologies Brentwood Industries View All Providers White Paper September 18 2014 New And Innovative Rare Earth Technology For Low Level Phosphorus Removal Source Molycorp Inc By Joseph Carlston Molycorp With environmental regulations continuing to restrict the discharge of phosphorus from wastewater treatment facilities traditional methods of phosphorus removal are proving inadequate To achieve the phosphorus control necessary a new coagulant used for phosphorus removal cerium chloride has been studied in several municipal and industrial wastewater treatment facilities that must meet a phosphorus discharge limit of 0 5 mg L or lower These studies demonstrated the high phosphorus removal capabilities of cerium chloride with the results illustrating the ability for cerium chloride to reduce phosphorus to low concentrations in the effluent using a lower volume of product as compared to traditional coagulants such as ferric chloride This reduction is due to the unique ability of cerium chloride to remove phosphorus as cerium phosphate whereas iron and aluminum based coagulants rely on adsorption and co precipitation Image credit Nachklärbecken secondary sedimentation Sustainable sanitation 2011 used under an Attribution ShareAlike 2 0 Generic license https creativecommons org licenses by sa 2 0 Newsletter Signup SIGN ME UP YOU MAY ALSO LIKE Contact Details Company Name Molycorp Inc Address 300 Caldwell Avenue Washington

    Original URL path: http://www.wateronline.com/doc/new-and-innovative-rare-earth-technology-for-low-level-phosphorus-removal-0001 (2016-02-14)
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  • Wastewater Plant Taking Proactive Measures To Protect Natural Resources
    better prepared in the unlikely event of a spill or leak occurring at its H L Mooney Advanced Water Reclamation Facility AWRF The Service Authority does its best to protect the Potomac River an ecologically sensitive tributary of the Chesapeake Bay located near the plant The plant is close to county state and federal protected resources including the Featherstone National Wildlife Reserve Leesylvania State Park the Metz Wetlands Bank as well as the Rippon Landing and Neabsco Eagles Parks For the Service Authority understanding the flow of stormwater is critical said Evelyn Mahieu Director of the Environmental Services and Water Reclamation Division This work will allow us to make informed decisions when there is a substantial rain event in order to quickly take preventative actions Starting in March 2014 Senior GIS Analyst Yeoanny Venetsanos began capturing data from the Environmental Services and Water Reclamation staff to create a detailed map of the plant showing the route rain travels from each portion of the property Eventually the map will serve as a single hub where Service Authority employees can click on a stormwater egress point and find associated documents like air or National Pollutant Discharge Elimination System NPDES permits or engineering plans The Mooney AWRF already has implemented several preventative measures to preclude storm runoff from reaching Neabsco Creek a tributary of the Potomac These include detention ponds that help control and lower sedimentation and erosion as well as Resource Protection Areas vegetative buffers that help filter pollutants and minerals like phosphorus and nitrogen before the runoff can reach the Neabsco Chesapeake Bay regulations place strict limits on nitrogen and phosphorus which the Mooney AWRF has met in the plant s effluent for the last five years earning the Service Authority a NACWA Platinum Award The facility recently received a five

    Original URL path: http://www.wateronline.com/doc/wastewater-plant-taking-proactive-measures-to-protect-natural-resources-0001 (2016-02-14)
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  • Retrofit Helps WWTP Meet New Total Nitrogen Limit
    Produced Water Power Generation Water Reuse Utility Management AMR AMI and Metering Asset Management Consumer Outreach Funding Labor Resiliency SCADA Automation Source Water All Source Water Contamination Desalination Water Scarcity Water Reuse Regulations and Legislation Providers YSI a Xylem brand Hach Company Schneider Electric Neptune Technology Group Inc Evoqua Water Technologies Veolia Water Solutions Technologies ABB Measurement Products Aclara Jacobi Carbons Endress Hauser Inc KROHNE Inc Kaeser Compressors Inc Emerson Process Management Rosemount Analytical Degremont Technologies Brentwood Industries View All Providers Case Study August 13 2014 Retrofit Helps WWTP Meet New Total Nitrogen Limit Source SUEZ The City of East Providence WWTP was asked by RIDEM to upgrade its facilities to increase treatment capacity and also meet a new more stringent Total Nitrogen limit The challenge was to upgrade the facility which had limited if any space available to undertake construction of additional treatment trains After evaluation of several technologies the Design Build Operate team of AECOM Water and United Water chose the METEOR IFAS system to retrofit the four existing circular aeration tanks with a Four Stage system for year round Ammonia removal and a seasonal Total Nitrogen limit of 5 86 mg l Newsletter Signup SIGN ME UP

    Original URL path: http://www.wateronline.com/doc/retrofit-helps-wwtp-meet-new-total-nitrogen-limit-0001 (2016-02-14)
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  • Howard County, Maryland Sets The Pace In Restoring Chesapeake Bay Ecosystem
    Utility Management AMR AMI and Metering Asset Management Consumer Outreach Funding Labor Resiliency SCADA Automation Source Water All Source Water Contamination Desalination Water Scarcity Water Reuse Regulations and Legislation Providers YSI a Xylem brand Hach Company Schneider Electric Neptune Technology Group Inc Evoqua Water Technologies Veolia Water Solutions Technologies ABB Measurement Products Aclara Jacobi Carbons Endress Hauser Inc KROHNE Inc Kaeser Compressors Inc Emerson Process Management Rosemount Analytical Degremont Technologies Brentwood Industries View All Providers Case Study June 16 2014 Howard County Maryland Sets The Pace In Restoring Chesapeake Bay Ecosystem Source Leopold A Xylem Brand Howard County Maryland Bureau of Utilities recently completed the 92 million Addition No 7 project at the Little Patuxent Water Reclamation Plant LPWRP to improve the quality of the plant s effluent discharge and to reduce harmful nutrients reaching Chesapeake Bay The project s various increments took over five years to complete and incorporated innovative design solutions and state of the art technologies for denitrification aeration and disinfection The project presents a model for Maryland s 66 largest wastewater treatment plants and possibly procurement of municipal facilities elsewhere facing increasingly stringent regulatory changes Leopold A Xylem Brand Contact The Supplier Contact Details Company Profile

    Original URL path: http://www.wateronline.com/doc/howard-county-maryland-sets-the-pace-in-restoring-chesapeake-bay-ecosystem-0001 (2016-02-14)
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