WASTEWATER

douglas-county ATAD Provides Increased Capacity With No Odors

Faced with persistent odor complaints and limited space, Douglas County Sewer District #1 in East Wenatchee, Washington, turned to the ThermAer second-generation Autothermal Thermophilic Aerobic Digestion (ATAD) system to modernize its biosolids treatment.

WASTEWATER CASE STUDIES AND WHITEPAPERS

  • Article: Floating Horizontal Aerators Enhance Eufaula, Alabama Activated Sludge Plant The Eufaula, Alabama, wastewater treatment plant (WWTP) is an extended aeration activated sludge facility designed for an average daily flow rate of 2.7 million gallons per day (mgd). Prior to February, 2005 this WWTP used vertical aerators to provide oxygen and mixing in its aerator basins. The plant has two aeration basins, each 1.87 million gallons in volume, which had 160 horsepower (hp) of vertical aerators in each basin
  • Understanding Sustained Efficiency In Non-Clog Pumps

    This white paper will provide a review of pump efficiency and the benefit of self-cleaning hydraulics in wastewater pumping. 

  • How AI Optimizes The Chemical Treatment Of Wastewater

    Wastewater treatment is a complex process that has largely remained unchanged for the last 100 years. Besides the physical and biological processes, the chemical treatment of wastewater is the third and perhaps the most crucial part of sewage processing and wastewater treatment practices. Typical operations include the processing of sewage/effluent through various stages of comprehensive chemical treatment, like pH neutralization, oxidation, ion exchange, coagulation, and flocculation.

  • Article: High Quality Tank Coatings: The Best Protection For Rural Water Supplies All liquids – whether wastewater, chemicals, stormwater, potable water or others – are aggressive toward the tanks in which they are stored. Such aggression results in corrosion, the principal enemy of the tank. Corrosion shortens the life of the tank, increases maintenance, and may contaminate the tank’s contents. By Mark Eklund P.E., Product Manager for Wastewater Market Sales, Columbian TecTank
  • Special Gas Chlorination System Replaces Tablet System At WWTP, Providing Enhanced Safety Needed For Gas Option, While Cutting Chemical Costs

    The district manager for the Pinetop-Lakeside Sanitary District (AZ) reports that a special gas chlorination system, featuring unique components and controls, and manufacturer-supplied service, has effectively replaced a chlorine tablet system.

  • Applying Variable Speed Compressors In Multiple Compressor Applications

    Variable speed control for all types of industrial equipment is readily available on the market with competitive pricing to non-variable speed controlled alternatives, including in the air compressor industry. With the advent of prescriptive rebate programs for variable speed compressors and other equipment, the demand for these types of controls has increased.

  • Emergency Bypass For Sewer Facility Circumvents Natural And Manmade Obstacles

    When operators at the Rivanna Water & Sewer Authority (RWSA) in Charlottesville, Virginia discovered a compromise in the 54-inch secondary effluent water line at their Moores Creek Advanced Water Resource Recovery Facility, they took immediate action to address the problem.

  • Refinery Expands Production While Meeting Discharge Standards Quality

    Petron Bataan Refinery wanted to expand production to process 180 thousand barrels of crude oil per day while changing its feedstock from Arab Light to less costly heavy and sour crudes.

  • Wastewater Lagoons — A New Aeration Concept

    The use of wastewater treatment lagoons, or stabilization ponds, is a common practice for rural municipalities and industrial facilities. Through the years there have been numerous designs for these ‘sludge settling basins,’ ranging from facultative, partial aerated, and fully aerated systems.

  • SDOX Technology Mitigates Sulfide Production By Promoting Aerobic Environment

    The Plant’s wastewater treatment facility uses four, covered anaerobic lagoons to manage BOD, pretreating wastewater prior to sending the effluent to a pumping station which directs the wastewater into the municipal collection system for final treatment at the City’s wastewater treatment plant. Read more to learn how the company used hydrogen peroxide and a catalyst to maintain an aerobic environment but was unable to adequately mitigate the odor from the facility’s wastewater.

WASTEWATER APPLICATION NOTES

WASTEWATER PRODUCTS

Wear resistant with double-safety bi-directional mechanical seals and temperature sensors that monitor any heat buildup in the motor. 

Tube settlers and parallel plates increase the settling capacity of circular clarifiers and/or rectangular sedimentation basins by reducing the vertical distance a floc particle must settle before agglomerating to form larger particles.

Ideal Usage of Hydraulic Submersible Pumps: High suction lift applications such as sewer bypass jobs. Dewatering of mines, quarries and gravel pits.

Experience absolute precision with our ready-to-use diluted certified reference materials (CRMs). Thanks to their exact concentrations, expanded measurement uncertainty, and direct traceability to NIST primary reference materials, our CRMs ensure that your results are correct and comparable worldwide.

The Aqua-Jet® aerator is the most durable, highly efficient wastewater aerator on the market today. Since 1969, more than 80,000 Aqua-Jet aerators have been installed throughout the world, representing 1.5 million horsepower and over 9 billion hours of runtime.

The SCREENMASTER® RT internally fed rotary drum screen employs a rotating drum and rugged construction to provide effective fine screening. This unit is employed in a wide variety of applications including wastewater, pulp and paper processing, tanning and slaughterhouse waste, produce washing, food processing and more. It is also used in the separation of debris from any variety of plant and equipment cleaning processes.

LATEST INSIGHTS ON WASTEWATER

WASTEWATER VIDEOS

In this episode of The Water Online Show, host Angela Godwin speaks with Scott Bindner of Trojan Technologies at the AWWA ACE event in Denver. Bindner introduces Trojan’s latest innovation: a compact, mobile demonstration unit for UV advanced oxidation processes (UV AOP).

Join Bentley’s expert Douglas Miranda as he discusses how digital solutions are transforming stormwater planning, enabling cities to build smarter, more robust infrastructure that aligns with industry trends and climate adaptation strategies.

Check out this segment of Virtual Water Expo to hear how Vaughan puts in the effort to ensure products meet BABA compliance.

In this segment of Virtual Water Expo, Aerzen's Tom McCurdy walks us through current product service offerings, how they are designed, and how they may change in the future to further benefit customers.

Join us as we dive into current blower technologies available and examine how these key factors can shape your decision when selecting the right blower for your project.