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SUMMARY:'Best of' IWC
DESCRIPTION:Webinar Series\nThe Best of IWC Webinar Series highlights exceptional technical papers that presented at the previous year’s International Water Conference®. Preview the high-quality technical content by registering below.\n  \n \nAttendees can earn 1 pdh credit \nVirtual Webinars are FREE to attend\, but registration is required to attend and for pdh certification. \n  \n  \n  \nWhen: June 4\, 2025 \nTopic: Wastewater 2: Bubbles\, Biofilm\, and BOD: Wastewater Solutions for Industry \nTime: 12:00 – 1:00 PM \nWebinar on Microsoft Teams\, registration required for pdh credit \nIWC 24-70: Drivers for Residual COD Removal at Industrial Water Resource Recovery Facilities (WRRFs)\nWilliam Celenza\, Burns & McDonnell\, Chicago\, IL \nInfluent wastewater BOD:COD ratio is measured for predicting biotreatability; however\, treated effluent BOD:COD ratios have not typically been used as a treatment benchmark. The merging of wastewater reuse requirements and stringent discharge criteria in some states and countries such as China have already required COD values as low as 3 times BOD values. This discussion will present residual COD removal scenarios at industrial facilities and present case study schemes to achieve increased COD removal efficiencies. \nIWC 24-72: Advanced Fouling Control for Once-Through Systems Including Innovative Solutions for Monitoring\, Treatment\, and Optimization\nNora Eibergen\, Nalco Water\, an Ecolab Company\, Naperville\, IL \nOnce-through cooling water systems present unique challenges to successful water treatment. This presentation showcases how innovations in chemistry\, automated monitoring and control\, and a novel deposit sensing technology were implemented at a coal-fired power plant to heal the cooling lake\, improve operational performance\, and reduce chemistry usage by 25%. \n  \n  \n 
URL:https://eswp.com/event/best-of-iwc/
LOCATION:Virtual Event
CATEGORIES:ESWP Conference,ESWP News
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DTSTAMP:20260416T204757
CREATED:20250330T235933Z
LAST-MODIFIED:20250425T004927Z
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SUMMARY:IWC EC AC Meeting
DESCRIPTION:IWC Executive Committee / Advisory Council Meeting
URL:https://eswp.com/event/iwc-ec-ac-meeting/
LOCATION:ESWP\, 337 Fourth Avenue\, Pittsburgh\, PA\, United States
CATEGORIES:ESWP Conference
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DTSTART;TZID=America/New_York:20250430T130000
DTEND;TZID=America/New_York:20250430T170000
DTSTAMP:20260416T204757
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SUMMARY:IWC Executive Committee Meeting
DESCRIPTION:
URL:https://eswp.com/event/iwc-executive-committee-meeting/
LOCATION:ESWP\, 337 Fourth Avenue\, Pittsburgh\, PA\, United States
CATEGORIES:ESWP Conference
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DTSTART;TZID=America/New_York:20220609T120000
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SUMMARY:'Best of IWC' Webinar Series
DESCRIPTION:Join us for our ‘Best of IWC’ Webinar Series – MLD\, ZLD and Brine Management\nNo cost to attend\, presented on Teams.  A link will be sent out one day prior. \nEarn one PDH Credit.  Register Below! \n  \nIWC 21-33: Xcel Cherokee near ZLD Wastewater Treatment System Design Considerations\nPaul Brandt\, Burns & McDonnell \nGiven new NPDES permit limits for chlorides\, sulfates\, total inorganic nitrogen (TIN) and other constituents for the plant’s common outfall. Meeting the new chloride and sulfate concentrations became the limiting factor for technology selection and compliance. Wastewater produced at the plant includes cooling tower blowdown\, reverse osmosis (RO) system reject\, stormwater\, and other miscellaneous plant wastewaters. Due to the new NPDES limits\, Xcel Energy\, with the assistance of Burns & McDonnell\, determined that a near-ZLD wastewater treatment system was the best option for the plant to replace an existing conventional clarification system. Treated water from the new system is returned to the plant for reuse and concentrated brine is routed to new evaporation ponds. Various options were evaluated in the study phase to help select the most economical treatment configuration including: Makeup water softening\, High efficiency reverse osmosis\, Nanofiltration\, Closed-circuit reverse osmosis\, Forward osmosis\, Ultra-high pressure reverse osmosis\, Membrane electrodialysis\, Osmotically enhanced reverse osmosis\, Mechanical vapor 15 \nrecompression evaporator\, Forced circulation crystallizer\, Alternative thermal evaporator designs\, Evaporation ponds\, Waste heat cooling tower\, Bypass evaporator spray dryer\, Operational changes\, Discharge to a nearby POTW facility \nThe wastewater system ultimately selected and designed includes: \nEqualization ponds\, High rate softening clarification\, Multimedia filtration\, Closed circuit reverse osmosis with 98% recovery of wastewater for reuse\, Evaporation ponds for concentrated brine wastewater\, Filter press for sludge dewatering\, Required startup in Fall of 2021 \nThe WWT project is currently under construction and is planned to complete startup at the end of 2021. This paper will cover the following aspects of the study and detailed design phases of the wastewater treatment system: \n\nStudy phase options considered and drivers for the near ZLD system selected.\nProcess description and design considerations/limitations of equipment selected.\nOperational changes to reduce wastewater flow requiring treatment.\nChallenges of elevated TOC in wastewater\, effects on selected wastewater equipment\, and TOC removal methods evaluated.\nChallenges and recommendations of locating new equipment in existing water treatment building\nMethodical approach to evaporation pond selection/sizing.\n\nPaul Brandt is a Senior Chemical Engineer with Burns & McDonnell.  His 15 years of power industry experience include water and wastewater aspects of various systems such as: physical/chemical/biological treatment with ZLD for wet scrubber blowdown\, demineralized water treatment\, air quality control equipment\, bottom ash handling\, and CCR pond closures. \nIWC 21-34: Power Plant Water Balance Tool Optimizes Load Leveling and Achieves ZLD\nDan Carey\, Ph.D.\, P.E.\, Worley \nOrlando Utilities Commission (OUC) operates two coal fired boilers in the Stanton Energy Center and has recently announced they will repower both units with natural gas. OUC had a need for a water balance model to guide dispatch\, maintain ZLD\, and understand the site wide salt balance. A calibrated model was created to predict evaporation rates\, pond storage volumes\, chloride and TDS. The model has been useful for optimizing current operation and predicting future conditions. \nDr. Carey has over 11 years of experience in biological and chemical wastewater treatment in industrial\, municipal\, and academic settings. At Worley\, he serves as an environmental process engineer; his primary role is consulting and design in oil refineries\, power plants\, chemical manufacturing\, and other industries. \n  \n 
URL:https://eswp.com/event/bestofiwc06092022/
LOCATION:Virtual Event
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DTSTART;TZID=America/New_York:20210415T120000
DTEND;TZID=America/New_York:20210415T130000
DTSTAMP:20260416T204757
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SUMMARY:IWC Webinar
DESCRIPTION:“Best of IWC”\nThe Best of IWC Webinar Series is a great way to preview the high quality technical content presented at the International Water Conference®.\n \n  \nAttendees can earn 1 pdh credit! \nWebinars are FREE to attend\, but registration is required for pdh certification. \n  \n\n  \nTopic: Monitoring  /  Power & Ash  —  Scroll Down to Register\nIWC 20-58: The Value (and the Challenges) of Corrosion Transport Monitoring  (2020 Best Overall Paper Award)\nColleen M. Scholl\, P.E.\, HDR \nMonitoring of corrosion products in power plants is an indicator of the success of the cycle chemistry program. This paper will discuss the value of instituting a formal corrosion transport monitoring program and detail the effort involved in optimization of a plant specific program. It will review methods for corrosion transport monitoring in steam generator cycles including the associated benefits and limitations. Case studies will be utilized to illustrate the process and the obtainable benefits. \nIWC 20-66: Controlling Oxidation Air in an FGD Absorber as a Means to Simplify Wastewater Treatment  (2020 First Time Presenter Award)\nAdam Sutherland\, P.E.\, Stantec; Lindy Johnson; Bill Kennedy\, Stantec \nThis paper presents experiences and benefits of a full scale installation of an oxidation air control system in a wet FGD application. Benefits include significant operational cost savings and improved wastewater treatability using chemical precipitation to aid compliance with EPA’s proposed 2019 ELGs for selenium and mercury. Liquor sulfite concentration as well as unit load and inlet SO2 are used to control the oxidation air flow rate to the absorber reaction tanks of a once through forced oxidation FGD scrubber. Impacts to the scrubber and wastewater chemistry will be described including comparisons to pre sulfite controlled operations. \n 
URL:https://eswp.com/event/iwc-webinar/
LOCATION:Virtual Event
CATEGORIES:IWC Webinar
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