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  • Energy Drivers 5 Keys To WWTP Electrical Consumption
    in New York is actually increasing A study performed by the New York State Energy Research and Development Authority NYSERDA reveals the underlying energy drivers which were jointly presented at WEFTEC 2015 by representatives from NYSERDA Brown and Caldwell and the Water Environment Research Foundation WERF Though overall energy use will vary from state to state the study indicates where a typical WWTP based on size and activity regardless of location wins or loses on energy use The research team arrived at their conclusions based on two NYSERDA energy assessments a baseline report from 2003 04 and a follow up report covering energy use through 2013 They found five factors in that 10 year span that shifted plant performance one way or the other Through the pushing and pulling of energy saving and spending the end result was a 3 7 percent increase in combined total annual electrical use at New York WWTPs First the two big burdens on energy Nutrient removal While nutrient removal isn t practiced nationwide mandates limiting phosphorus and nitrogen discharges have increased dramatically in the past 10 years and will likely continue to proliferate across the country Adding nutrient removal to WWTPs typically at larger 75 MGD facilities is a major reason why net energy usage increased in New York Plants operating below capacity Due to consumers water conservation water saving plumbing fixtures and infiltration and inflow I I WWTPs in New York saw a decline in flow from 2003 to 2013 In fact the majority of plants 100 out of 189 above 1 MGD experienced double digit declines in the last decade When plants operate below capacity and have fixed electrical base loads energy use and inefficiency swells Fortunately the effects of the above are mitigated by concerted efforts at many WWTPs to reduce energy usage The study credits the following three factors for having the most positive impact Level of interest Ten years ago there was much less talk about energy efficiency than there is today The growing interest lies in its many benefits most plant managers can find a good reason to become energy efficient whether for the operations budget the environment protecting scarce water resources etc Sheer will guided by the understanding of these benefits is the first step to reducing energy use and NYSERDA s survey found that more than half of respondents were interested and engaged in doing so Organizational energy initiatives While small scale energy improvements help it s the whole plant approach especially at large WWTPs that really moves the needle on aggregate energy use Plants striving for net zero energy use are prime examples but such ambition requires organizational change or a culture created around energy efficiency The WEFTEC presenters noted that The Energy Roadmap published by the Water Environment Federation WEF provides a how to for achieving organizational change Onsite generation Perhaps the most obvious way to reduce strain on the electrical grid is to create your own energy through onsite generation though the NYSERDA

    Original URL path: http://www.wateronline.com/doc/energy-drivers-keys-to-wwtp-electrical-consumption-0001 (2016-02-14)
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  • Behind The Nutrient Recycling Challenge
    when your job involves finding the cutting edge of innovation Over the past few years I ve been looking into technologies that make it easier for livestock producers to manage manure protect water quality and create new sources of revenue One area where we see promise is in nutrient recovery technologies These technologies extract nutrients from manure and create fertilizer products that can be applied more precisely to crops and affordably transported greater distances Thousands of livestock producers are asking for these technologies but they are still not efficient enough to be in wide use That s where innovation challenges come in My teammate Hema Subramanian and I reached out to key players in manure management and asked What can we do together to get producers the technologies they want and protect water quality People were extremely excited so we convened a planning committee with dairy and pork producers the U S Department of Agriculture scientists and environmental experts Together we identified barriers to technology adoption and began crafting a prize competition to overcome those barriers The Nutrient Recycling Challenge was born In a nutshell we re asking innovators to develop better and cheaper nutrient recovery technologies A major draw of prize competitions is that they reach innovators from different backgrounds who can bring fresh perspectives to the table We want outside the box thinking from innovators of all stripes tenured scientists or weekend garage tinkerers Phase I of the Challenge is open now through Jan 15 and we are looking for your concept papers describing technology ideas Later in 2016 EPA and partners will identify the most promising entries and support semi finalists as they turn their concepts into working technologies EPA is committed to building relationships with the livestock industry through partnerships The Nutrient Recycling Challenge exemplifies this

    Original URL path: http://www.wateronline.com/doc/behind-the-nutrient-recycling-challenge-0001 (2016-02-14)
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  • Nutrient Removal ARTICLES BY KEVIN WESTERLING Documents on Water Online
    1 13 2016 Researchers at Virginia Tech have developed a bacterial battery that may offer both energy generation and ammonia removal and recovery to wastewater treatment facilities The Chicago Way Windy City Water Boss Addresses Top Threats Solutions 1 5 2016 In many ways Chicago is a tough act to follow a world class city of both great renown and infamy The latter may engender thoughts of mobsters and political machinations but when it comes to water the Chicago way is a model of achievement and leadership to be admired Energy Drivers 5 Keys To WWTP Electrical Consumption 12 11 2015 Data from the state of New York reveal the factors that have increased or mitigated on grid energy consumption at wastewater treatment plants WWTPs over the past 10 years including the one mandate pushing demand higher Behind The Nutrient Recycling Challenge 12 8 2015 It s pretty great when your job involves finding the cutting edge of innovation Over the past few years I ve been looking into technologies that make it easier for livestock producers to manage manure protect water quality and create new sources of revenue Nontraditional Nutrient Reduction Techniques 12 7 2015 It always feels good to meet your goals even better to exceed them Learn how an upgrade to biological nutrient removal BNR resulted in enhanced nutrient removal ENR performance 10 Exciting Technologies From WEFTEC 10 26 2015 Judging by WEFTEC 2015 the water industry is on a roll 5 On 5 Water Leaders Address Key Industry Challenges 10 13 2015 At a recent panel event five of the top utility professionals in North America tackled five hot topics in water and wastewater High Performance Biofilm Carrier Used In Municipal Wastewater Treatment 9 10 2015 In the recent past a new and very innovative biofilm

    Original URL path: http://www.wateronline.com/hub/bucket/nutrient-removal-articles-by-kevin-westerling (2016-02-14)
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  • Utility Transformation — From WWTP To Reuse Facility
    quality upgrade were components of the Regional Optimization Master Plan ROMP a key effort in Pima County to upgrade the wastewater infrastructure The ROMP plan comprised four parts a 72 interconnected sewer pipeline a water energy and sustainability center that included a National Environmental Laboratory Accreditation Conference and training center a new 32 MGD water reclamation campus known as the Agua Nueva WRF and an upgrade and expansion of the Ina Road Wastewater Treatment Facility With the replacement of the 41 MGD Roger Road plant with the 32 MGD Agua Nueva WRF capacity had to be added to the original Ina Road facility to produce more water per day and upgrade the pre existing facility Key components of the project Constructing a new 25 MGD ammonia nitrogen nutrient removal process system five stage Bardenpho to replace an existing 25 MGD high purity oxygen HPO train Upgrading the existing 18 MGD biological nutrient removal activated sludge BNRAS process train for additional ammonia nitrogen nutrient removal and increasing its capacity to 25 MGD Modifying effluent disinfection facilities using sodium hypochlorite technology followed by dechlorination Incorporating a new state of the art blower building facility with two new 1 000 HP blowers into the west train facilities Constructing a new pump station for digested sludge and wasteactivated sludge WAS and associated recycle storage tanks Adding a new WAS thickening facility with three new gravity belt thickeners GTB and new odor control equipment Upgrading to a new 46 kV distribution system the former utility power supply for the Tres Rios WRF which included a 4 160 V distribution system for the older sections of the plant to 13 8 kV distribution system for the newer sections of the plant Despite Challenges MWH Constructors Remained Ahead Of Schedule MWH Constructors was selected as construction manager at risk CMAR on the project and performed approximately 48 million of work including procurement installation of process piping and equipment instrumentation and control and commissioning and startup The CMAR method allowed MWH Constructors the opportunity to do a significant amount of work on the project while also managing quality control and staying on schedule The Tres Rios project included 280 000 cubic yards of material excavation and the deepest excavation was for the plant drain pump station which was 65 deep The pump station excavation used a combination of open cut excavation and shoring Other excavations on the site were an average of 30 deep By upgrading the capacity and expanding the treatment plant this project developed the highest quality effluent possible in order to meet Pima County s sustainability goals The upgrade and expansion of the Tres Rios WRF facility provided the highest quality effluent classified as A reuse During material excavation for the digesters the team discovered 3 000 year old artifacts requiring MWH Constructors to adjust and relocate resources to work in another area of the site saving the owner at least six months in potential delays Despite this difficulty MWH Constructors successfully completed the project

    Original URL path: http://www.wateronline.com/doc/utility-transformation-from-wwtp-to-reuse-facility-0001 (2016-02-14)
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  • Envirex Energy Efficient Activated Sludge Process Meets Stringent Regulations While Minimizing Costs
    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 Case Study February 4 2015 Envirex Energy Efficient Activated Sludge Process Meets Stringent Regulations While Minimizing Costs Source Evoqua Water Technologies The Town of Elkton Maryland located in Cecil County near the head of the Chesapeake Bay has a population of approximately 15 000 and an average elevation of 9 1 m 30 ft Elkton is an economically strong stable community that is very conscientious about environmental issues In an effort to protect the Chesapeake Bay aquatic life new stringent wastewater effluent regulations were implemented requiring very low nutrient levels in wastewater treatment plant discharge Evoqua Water Technologies Contact The Supplier Contact Details Company Profile MORE FROM Evoqua Water Technologies Contact Details Company Name

    Original URL path: http://www.wateronline.com/doc/envirex-energy-efficient-activated-sludge-process-meets-stringent-regulations-while-minimizing-costs-0001 (2016-02-14)
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  • Headworks Bio Commissions First IFAS System In Costa Rica
    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 Case Study January 2 2015 Headworks Bio Commissions First IFAS System In Costa Rica Source Headworks International Inc In late 2013 Headworks Bio Inc was awarded a contract with General Contractor Soluciones Tecnicas Ambientales S A SOLAMSA to supply an IFAS system to upgrade the existing Ptar El Roble conventional activated sludge CAS treatment facility in Puntarenas Costa Rica Working in close conjunction with the Costa Rican Water and Sanitation Institute AyA the responsible government authority Headworks has completed commissioning of the first IFAS installation in the country Headworks International Inc Contact The Supplier Contact Details Company Profile MORE FROM Headworks International Inc Contact Details Company Name Headworks International

    Original URL path: http://www.wateronline.com/doc/headworks-bio-commissions-first-ifas-system-in-costa-rica-0001 (2016-02-14)
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  • Sturbridge Massachusetts POTW Greater Capacity For High Flow Events With Enhanced Clarification For New Regulations
    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 December 16 2014 Sturbridge Massachusetts POTW Greater Capacity For High Flow Events With Enhanced Clarification For New Regulations Source Evoqua Water Technologies Sturbridge Massachusetts historically suffered from periodic blooms of filamentous bacteria that caused bulking in the secondary clarifiers of their three activated sludge package plants The elevated clarifier solids loading rates SLR during high flow events often caused excessive sand filter backwash cycle times and occasional diversion of excess flow to a neighboring publicly owned treatment works POTW Sturbridge s need for additional treatment capacity in a highly constricted footprint coupled with tighter permit limits for BOD TSS total nitrogen TN and phosphorus TP created the need to upgrade the wastewater treatment plant Innovative Technology Creates a More Cost Effective Solution Initially Sturbridge considered installing a membrane bioreactor MBR system to achieve the required limits on contaminant removal and deliver

    Original URL path: http://www.wateronline.com/doc/sturbridge-massachusetts-potw-greater-capacity-for-high-flow-events-with-enhanced-clarification-for-new-regulations-0001 (2016-02-14)
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  • Concord Massachusetts WWTP - A Low-Cost 20-Year Solution to Ever-Tightening Phosphorus Limits
    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 Case Study December 16 2014 Concord Massachusetts WWTP A Low Cost 20 Year Solution To Ever Tightening Phosphorus Limits Source Evoqua Water Technologies Prior to 2007 Concord Massachusetts wastewater treatment plant operated under a NPDES permit that allowed a seasonal phosphorus limit of 0 7 mg L But with the issuance of a new five year permit with a phosphorus limit of 0 2 mg L and the probability that future limits could reach as low as 0 05 mg L Concord needed a treatment solution that would be reliable and cost effective today and over the long term Choosing Effluent Flexibility Operating Reliability and a Small Footprint When compared to dissolved air flotation DAF media filtration and sand ballasted technologies Concord s consulting engineers recommended the CoMag System for its Ability to provide effluent TP values from 0 2 mg L to 0 05 mg L simply by adjusting the flocculent dose Reliability of operation conventional flocculation and coagulation coupled with high rate clarification and no filters to clog or backwash Capital cost savings given its small clarifiers and footprint Evoqua Water Technologies Contact The Supplier Contact Details Company Profile MORE FROM Evoqua Water Technologies Contact Details Company Name Evoqua Water Technologies Address 181 Thorn Hill

    Original URL path: http://www.wateronline.com/doc/concord-massachusetts-wwtp-a-low-cost-year-solution-to-ever-tightening-phosphorus-limits-0001 (2016-02-14)
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