WASTEWATER

Albertville WWTP Uses Biogas Blower To Replace Natural Gas To Fuel Boilers

As part of an ongoing effort to improve efficiency and lifecycle costs across all of its projects, a Municipal Utilities Board in Albertville, Ala.,set out to upgrade solids handling at the WWTP and pursue Class A biosolids certification, a U.S. Environmental Protection Agency (EPA) designation for dewatered and heated sludge that contains low levels of pathogens.

WASTEWATER CASE STUDIES AND WHITEPAPERS

  • Benefits Of IFAS For Enhanced Biological Nutrient Removal (BNR)

    One of the major concerns regarding municipal wastewater treatment plant discharge is the rising concentration of nutrient compounds, specifically nitrogen and phosphorus. Nitrogen and phosphorus are the primary causes of cultural eutrophication (i.e., nutrient enrichment due to human activities) in surface waters.

  • What Happens After The BMP Is Installed? The demand for stormwater treatment is rising at an increasingly accelerated rate as the Environmental Protection Agency Regulatory demands become more stringent. These regulations have provided the way for emerging technologies to meet the environmental needs, from Land Based to proprietary products. By Jeffrey Benty & Dino Pezzimenti
  • Retrofit Helps WWTP Meet New Total Nitrogen Limit
    Retrofit Helps WWTP Meet New Total Nitrogen Limit

    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.

  • Oxygen Removal From Feedwater In A Central District Heating System
    Oxygen Removal From Feedwater In A Central District Heating System

    In central district heating systems, heated water from power plants is distributed to densely populated areas via insulated piping networks. High water quality is required to maintain the integrity of pipes, storage tanks, and other infrastructure in such systems. This case study explains how a Dutch power station achieved an O2 specification of <10 ppb for storage water tank filling by installing a chemical-free deoxygenation system.

  • Mahr&reg; Bar Screens Replace Two-Stage Screening System
    Mahr® Bar Screens Replace Two-Stage Screening System

    In 2004, the Department for Regional Development announced plans to upgrade the Limavady Wastewater Treatment Works, which was part of a 28 million dollar capital works program in Northern Ireland.

  • Concord, Massachusetts WWTP - A Low-Cost, 20-Year Solution To Ever-Tightening Phosphorus Limits
    Concord, Massachusetts WWTP - A Low-Cost, 20-Year Solution To Ever-Tightening Phosphorus Limits

    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.

  • SuperDisc™ Filtration System Case Study
    SuperDisc™ Filtration System Case Study

    Glendale Heights Wastewater Treatment Plant discharges treated water to the East Branch of the DuPage River in Illinois.

  • Targeted Algal Management Plan To Address Taste And Odor Problem
    Targeted Algal Management Plan To Address Taste And Odor Problem

    Lake John Hay is located six miles northwest of Salem, Indiana and is used for drinking water and tournament and recreational fishing. With an average depth of 14-15 feet, it is ideal for algae and plant growth. The persistent, recurring algae blooms was causing taste and odor problems, which led to frequent complaints.

  • Safeguarding Public Health with UV Disinfection – Swansea, United Kingdom (Case Study)
    Safeguarding Public Health with UV Disinfection – Swansea, United Kingdom (Case Study)

    In order to improve the treatment performance (because of the continued cost to maintain compliance), and ensure that it would eventually have the treatment capacity to meet future population growth equivalent of up to 225,000,

  • Advantages Of Thermal Dispersion Switches For Pump Protection
    Advantages Of Thermal Dispersion Switches For Pump Protection

    Thermal dispersion switches use similar principles as thermal mass flow meters. Fluid carries heat away from the probe tip reducing the temperature difference between a heated resistance temperature detector (RTD) and a reference RTD.

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WASTEWATER APPLICATION NOTES

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WASTEWATER PRODUCTS

AQUATek 100 Waters-Only Autosampler

AQUATek 100 Waters-Only Autosampler

The AQUATek 100 is a purge and trap autosampler that automates the sample preparation steps for the analysis of liquid samples utilizing a fixed volume sample loop filled using a pressurization gas. Two independent volume programmable internal standards are then added to the sample and the entire aliquot is transferred to the Purge and Trap for compound concentration and subsequent separation and detection using a GC/GC-MS quantification system.

Leopold Universal Type S® Underdrain by Xylem

Leopold Universal Type S® Underdrain by Xylem

Leopold Type S technology underdrain is designed to provide uniform distribution of wash water and air to clean every corner of the filter without media upset.

Signet 2250 Hydrostatic Level Sensor

Signet 2250 Hydrostatic Level Sensor

The Signet 2250 Hydrostatic Level Sensor for level and depth control has a one-piece injection molded PVDF body and ceramic diaphragm for superior compatibility in corrosive liquids
IntelliCAL Conductivity Probe

IntelliCAL Conductivity Probe

IntelliCAL™ CDC401 is a digital, graphite, 4-pole conductivity probe. The standard version is available with a 3 or 1 meter cable and is intended for laboratory use.

AURORA&reg; Magnetic Level Indicator

AURORA® Magnetic Level Indicator

The AURORA product combines the operating system of a conventional float-based magnetic level indicator (MLI) with the leading-edge Eclipse® guided wave radar transmitter developed for level measurement applications by Magnetrol®.

Wipes Ready Technology

Wipes Ready Technology

Are you wipes ready?
Wipes and rags are clogging pumps and damaging wastewater treatment systems. NEW Wipes Ready technologies from JWC will keep your systems running efficiently.

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LATEST INSIGHTS ON WASTEWATER

  • World Water Week: Water Management Key Priority For International Oil And Gas Sector
    World Water Week: Water Management Key Priority For International Oil And Gas Sector

    The global oil and gas industry association, IPIECA coordinated a session during World Water Week in Stockholm on water management within the sector from now to 2030.  

  • Reaching Zero Liquid Discharge: A Starter’s Guide
    Reaching Zero Liquid Discharge: A Starter’s Guide

    Zero Liquid Discharge (ZLD) systems employ cutting-edge technologies to minimize water use within a given industrial facility and maximize the reuse of its processed wastewater. In the perfect ZLD system, no effluent ever leaves the factory, savings are immense, discharge and reuse requirements are met with ease, and the praise of conservation groups is bestowed fervently.

  • Options To Replenish Depleting Groundwater
    Options To Replenish Depleting Groundwater

    It supplies drinking water for more than half of the total U.S. population and greater than 95 percent of the rural population. It helps grow our food because more than 60 percent of it is used for irrigation to grow crops. It's an important component in many industrial processes, and it’s a source to recharge lakes, rivers, and wetlands.

  • A Preview Of IDA World Congress 2015
    A Preview Of IDA World Congress 2015

    From August 30 to September 4, the International Desalination Association (IDA) will be hosting its biennial world congress in San Diego. 

  • 'Super' Advice From Philadelphia’s Water Commissioner
    'Super' Advice From Philadelphia’s Water Commissioner

    This Q&A is longer than my usual for Water Online, but the exception is warranted. It's not often that you have the opportunity to talk to a 'superhero' of sustainability.

  • ED vs. RO: The Benefits Of Electrodialysis For Desalination
    ED vs. RO: The Benefits Of Electrodialysis For Desalination

    There is no doubt that reverse osmosis (RO) currently reigns among desalination techniques, if your metric is total number of installations. But a new competitor has arisen, at least for particular applications. If you have brackish water in the 2,000 to 15,000 ppm range of total dissolved solids (TDS), you may want to consider electrodialysis (ED) over RO.

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WASTEWATER VIDEOS

Gorman-Rupp Pumps For Construction Overview Video

Gorman-Rupp Pumps For Construction Overview Video

An overview of Gorman-Rupp's priming assisted, self-priming and submersible pumps for dewatering applications.

Video: ZS Turbo Blower In A Wastewater Treatment Plant

Video: ZS Turbo Blower In A Wastewater Treatment Plant

Atlas Copco's ZS screw blower saves energy in a wastewater treatment plant.

Video: Jet Aerator - Starting Up

Video: Jet Aerator - Starting Up

Video: Jet Aerator - Starting Up

Video: Integrated Fixed-Film Activated Sludge (IFAS) From Headworks BIO

Video: Integrated Fixed-Film Activated Sludge (IFAS) From Headworks BIO

The Integrated Fixed-Film Activated Sludge (IFAS) process is typically installed as a retrofit solution for conventional activated sludge systems that are at or beyond capacity.

What Is A Combined Sewer Overflow?

How does a combined sewer work? A representative from the Northeast Ohio Regional Sewer District (NEORSD) takes 60 seconds to draw a combined sewer and why they matter.

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