Water and Wastewater


Evaluating New Trenchless Technology for Water and Wastewater Pipeline Infrastructure Evaluating New Trenchless Technology for Water and Wastewater Pipeline Infrastructure Evaluating New Trenchless Technology for Water and Wastewater Pipeline Infrastructure Evaluating New Trenchless Technology for Water and Wastewater Pipeline Infrastructure


New economical rehabilitation technologies show promise in extending the operation life of critical assets. A review of a recent EPA study...

Increased Rates of Copper Corrosion in the Zone of Aeration Explained Increased Rates of Copper Corrosion in the Zone of Aeration Explained Increased Rates of Copper Corrosion in the Zone of Aeration Explained Increased Rates of Copper Corrosion in the Zone of Aeration Explained


Variation in environmental conditions tends to create conditions ideal for the formation of differential aeration cells in the zone of...

Q&A with Ron Bianchetti: Finding the Source of Costly Sewer Corrosion Q&A with Ron Bianchetti: Finding the Source of Costly Sewer Corrosion Q&A with Ron Bianchetti: Finding the Source of Costly Sewer Corrosion Q&A with Ron Bianchetti: Finding the Source of Costly Sewer Corrosion


Water/wastewater infrastructure corrosion expert, Ron Bianchetti, discusses a 2014 study examining how coagulants used in drinking water...

Field Results: Improving Water System Efficiency & Corrosion Resistance Field Results: Improving Water System Efficiency & Corrosion Resistance Field Results: Improving Water System Efficiency & Corrosion Resistance Field Results: Improving Water System Efficiency & Corrosion Resistance


A case study on a protective coating solution for a hydraulic pump at a water elevation plant in Portugal. Eight months after coating...

What We Can Learn From Mass Underground Water Pipe Corrosion What We Can Learn From Mass Underground Water Pipe Corrosion What We Can Learn From Mass Underground Water Pipe Corrosion What We Can Learn From Mass Underground Water Pipe Corrosion


A lack of effective corrosion prevention could be a main cause for the failure of the metallic pipes used for the water system. This...

Corrosion Risks and Prevention for Geodesic Dome Roofs Corrosion Risks and Prevention for Geodesic Dome Roofs Corrosion Risks and Prevention for Geodesic Dome Roofs Corrosion Risks and Prevention for Geodesic Dome Roofs


Popularized in modern architectural designs, geodesic dome roofs also cover storage tanks in the oil & gas, chemical and water treatment...

The Advantages of Pure Polyurea Coatings for Protecting Water Treatment Plant Infrastructure The Advantages of Pure Polyurea Coatings for Protecting Water Treatment Plant Infrastructure The Advantages of Pure Polyurea Coatings for Protecting Water Treatment Plant Infrastructure The Advantages of Pure Polyurea Coatings for Protecting Water Treatment Plant Infrastructure


Pure polyurea offers several advantages as a protective coating for water treatment plants, pipelines, storage tanks, process vessels and...

Lessons Learned from 50 Years of Coatings Testing at SA Water Lessons Learned from 50 Years of Coatings Testing at SA Water Lessons Learned from 50 Years of Coatings Testing at SA Water Lessons Learned from 50 Years of Coatings Testing at SA Water


This article provides key findings and lessons learned from test results generated across eight environmental test sites with the aim of...

Cathodic Protection of a Sewage Treatment Dissolved Air Flotation Tank Cathodic Protection of a Sewage Treatment Dissolved Air Flotation Tank Cathodic Protection of a Sewage Treatment Dissolved Air Flotation Tank Cathodic Protection of a Sewage Treatment Dissolved Air Flotation Tank


A dissolved air flotation tank with extensive corrosion required recoating of the entire tank and an upgrade of several components,...

Decline in Quality of Piping Making Corrosion Inevitable Decline in Quality of Piping Making Corrosion Inevitable Decline in Quality of Piping Making Corrosion Inevitable Decline in Quality of Piping Making Corrosion Inevitable


The steady decline in the quality of today’s piping products means the potential of serious corrosion problems, often despite all the...

Corrosion Resistant Composite and Cured-in-Place Pipe Corrosion Resistant Composite and Cured-in-Place Pipe Corrosion Resistant Composite and Cured-in-Place Pipe Corrosion Resistant Composite and Cured-in-Place Pipe


Corrosion happens in water, waste and industrial usage lines. Using a corrosion resistant cured-in-place pipe (CIPP) liner to repair the...

Concrete Flooring Moisture Issues Concrete Flooring Moisture Issues Concrete Flooring Moisture Issues Concrete Flooring Moisture Issues


Addressing concrete floor moisture begins with proper design, curing and surface preparation. Testing for moisture content and identifying...

Understanding Corrosion in Pumps and How to Deal With It Understanding Corrosion in Pumps and How to Deal With It Understanding Corrosion in Pumps and How to Deal With It Understanding Corrosion in Pumps and How to Deal With It


Even after taking all the precautionary measures, certain unexpected pump failures can still occur. Research studies say that corrosion is...

6 Ways to Measure Fluid Viscosity 6 Ways to Measure Fluid Viscosity 6 Ways to Measure Fluid Viscosity 6 Ways to Measure Fluid Viscosity


Viscosity is an important fluid property that is essential for products in various industries. Dynamic viscosity and kinematic viscosity...

erosion corrosion rust rock ground soil brick cobblestone path pavement sidewalk walkway erosion corrosion rust rock ground soil brick cobblestone path pavement sidewalk walkway erosion corrosion rust rock ground soil brick cobblestone path pavement sidewalk walkway erosion corrosion rust rock ground soil brick cobblestone path pavement sidewalk walkway


Erosion corrosion affects critical equipment in aviation and other industries, so preventive measures are needed at the design stage itself...

leaking copper water pipe leaking copper water pipe leaking copper water pipe leaking copper water pipe


Copper is classified as a noble metal due to its reluctance to corrode; however it has been wrongly characterized as corrosion-proof and...

View of river water in Flint, Michigan View of river water in Flint, Michigan View of river water in Flint, Michigan View of river water in Flint, Michigan


Brown discolored water began appearing in a city’s drinking water after a change to the water supply. Further investigations revealed the...

Lessons from a 35-Year-Old Water Heater Lessons from a 35-Year-Old Water Heater Lessons from a 35-Year-Old Water Heater Lessons from a 35-Year-Old Water Heater


A tale of why I didn’t replace my 35-year-old hot water heater, or why most corrosion mitigation procurement practices are hopelessly...

Corrosion Prevention for Buried Pipelines Corrosion Prevention for Buried Pipelines Corrosion Prevention for Buried Pipelines Corrosion Prevention for Buried Pipelines


Corrosion of the internal and external surfaces of pipelines is a leading cause of buried pipeline failure, which in turn leads to huge...