WASTEWATER
Designing For Growth: How To Build Modular Capacity Without Breaking Ground Twice
Learn how to design wastewater infrastructure that grows with demand. Modular systems allow phased capacity additions that match actual flow, avoiding the high cost of oversizing and eliminating the need for disruptive, repeated construction.
WASTEWATER CASE STUDIES AND WHITEPAPERS
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Waste Lagoon Rehabilitation A New Look At An Old Problem
Throughout the last half-century the municipal and industrial wastewater treatment industry has depended heavily upon the use of waste lagoons in order to provide relatively clean water that could be returned to the environment. These are often called stabilization lagoons.
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Can Heavy Rain Cause Sewer Backup?
Heavy rain is a fact of life in most areas around the world. While it can be refreshing and calming to see, it also brings with it a number of issues that have to be considered.
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Liquid-Only Sewers Offer A Cost-Effective Solution
Liquid-only sewers have proven to be a cost-effective solution for municipalities, new subdivisions, and a variety of other areas in need of sewer -- as opposed to the big pipes and deep excavations.
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The Importance Of pH Levels In Water Treatment
Recognizing pH's pervasive influence empowers operators to achieve consistent and reliable outcomes in every facet of water and wastewater treatment, underlining its indispensability for clean and safe water systems.
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Electroplating 1 (CrVI, Ni, Zn, Cu)
XXXX Plating Company operates a decorative plating shop in Los Angeles, Ca., doing finishes in nickel, copper, and chromium.
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Ushering In A New Era Of Sustainable Biological Treatment
Conventional activated sludge treatment for wastewater is becoming increasingly problematic over time. Not only does the process require significant amounts of energy, which drives up operating expenses, but utilities are under mounting pressure from the U.S. EPA to go green.
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ORP And pH — What You Don't Know Can Hurt You
When I look back at 2016 one of the most significant trends I observed was the growing acceptance of ORP measurements, especially for monitoring disinfection. With one caveat, the ORP value measured in a solution provides an unambiguous measure of the disinfection efficacy.
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How To Optimize Conveyance Systems For Debris Management
There are many different types of conveyance technologies, including sluices, screw conveyors, belt conveyors, and more. The right technology for an application depends on a vast number of factors.
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Odor Problems Solved At Santa Margarita Water District's Chiquita Water Reclamation Plant In Orange County, CA
Santa Margarita Water District (SMWD) is the second largest water district in Orange County, California, providing water and wastewater services to more than 155,000 residents and commercial enterprises. When a new housing development was planned adjacent to SMWD’s 9.0 MGD Chiquita Water Reclamation Plant, the District initiated plans for enhanced odor control solutions. District staff identified the primary process area (grit removal and primary clarifiers) as a significant contributor to odor emissions.
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Two Products Combine To Provide An Enhanced Nutrient Removal Advantage To Protect Our Waterways
Cherokee County, GA, conducted an extensive on-site pilot evaluation of several available process options and technologies, including various plate settler designs. Read the full case study to learn how enhanced nutrient removal (ENR) integrated design continues to deliver water quality of <0.1 mg/L Ammonia, <0.07 mg/L Phosphorus and <0.5 NTU. Not only does the WWTP consistently meet EPA direct discharge limits on BOD, Total Nitrogen, Phosphorus and Turbidity, but these final effluent values readily exceed surface water discharge permits levels.
WASTEWATER APPLICATION NOTES
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Take Control Of Your Water Distribution Network With Digitalization And Remote Monitoring
Any process plant constantly generates a high volume of status data. Today, this data can be extracted from the plant, stored, analyzed, and prepared to meet operator needs and lower marginal costs.
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'TOTEX' Is Key When Purchasing Instrumentation
There’s a lot to be considered in the price tag of an ultrasonic instrument. Derek Moore from Siemens explains how the historical way of thinking only of capital costs needs to change to the more holistic approach of total expenditures.
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Application Note: Preliminary Performance Study On An On-Line TOC Analyzer In Pharmaceutical Applications Total Organic Carbon (TOC) analysis is an effective technique for detecting and measuring the presence of organic contaminants in waters used throughout industrial processes, municipal water uses, and for determining residual concentrations of organic material on the surfaces of equipment used in the manufacture of active pharmaceutical ingredients. By Jeffrey Lane, Steve Skalski, and Gary Engelhart, OI Analytical
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Dissolved Oxygen Measurement
One of the most important measurements in the determination of the health of a body of water is its dissolved oxygen content. The quantity of dissolved oxygen in water is normally expressed in parts per million (ppm) by weight and is due to the solubility of oxygen from the atmosphere around us.
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TOC Monitoring In Process Return Condensate
Industrial power plants or co-generation power plants utilize steam for industrial purposes other than power production.
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Analysis Of Pesticide Residue In Spinach Using The AutoMate-Q40 An Automated QuEChERS Solution
QuEChERS is a Quick-Easy-Cheap-Effective-Rugged-Safe extraction method that has been developed for the determination of pesticide residues in agricultural commodities.
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Sewage Lift Station Pumping System
Lack of sufficient straight pipe run made it impossible to successfully apply the preferred magnetic flow meter (magmeter) to accurately measure the flow of raw sewage.
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Combining Decentralized And Centralized Wastewater Treatment Strategies To Solve Community Challenges
To sustain the environment and smart community growth while protecting public health, engineers, municipal health officials, and regulators need innovative wastewater treatment solutions. The latest evolution of decentralized systems can efficiently handle residential and commercial daily flows and are a cost-effective alternative to the large, centralized wastewater treatment plants of the past.
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Managing Storm And Surface Water With ForeSITE UL Monitoring System
As flooding increases along coastal and river-adjacent communities, the need for low-cost, reliable monitoring and warning systems has become a critical factor for managing these issues in real time, without requiring major infrastructure overhauls.
LATEST INSIGHTS ON WASTEWATER
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In areas with storm drains, the water can quickly overwhelm the drains, causing flooding hazards. For this reason, many towns have ordinances dictating how much ground can be covered with impermeable substrates.
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Technology like advanced process control systems can streamline operations, create opportunities to lower costs and emissions, and ensure effluent quality meets the highest standards. Research also indicates that implementing an appropriate control strategy can help reduce N2O emissions.
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Strategic flow monitoring helps wastewater utilities curb overflows, cut costs, and safeguard public health by turning accurate data into proactive action.
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When seeking bids for a fair comparison, it’s important to evaluate the total cost of ownership.
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Researchers have developed polyimide-based membranes for membrane distillation (MD) that overcome three persistent issues in membranes for water treatment and gas separations: the need for pore-forming chemicals that prevent recycling, performance degradation due to pore wetting and fouling, and the inherent trade-off between high water flux and selectivity.
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As technology improves and becomes more accessible, outdated municipal wastewater systems are fast beginning to show their age. Today, water pumps come in a variety of designs that enable uses that previous generations could only have dreamed of.