Tag: ion

Mar 07
Sand Filtration Best Practices: Sizing, Backwash Strategies, and Troubleshooting for Plants

Effective sand filtration is where plant performance, operating cost, and regulatory compliance meet—or fail. This practical playbook gives municipal and industrial plant engineers and operators step-by-step sizing calculations in metric and imperial, media specifications, backwash strategies, monitoring setpoints, and a troubleshooting checklist with worked examples. Expect manufacturer-referenced ranges and field-testable fixes you can apply during […]

Mar 07
Sequencing Batch Reactors: Design, Operational Tips, and When They Outperform Continuous Systems

When influent flows swing, permits tighten, and site footprints are constrained, sequencing batch reactors offer a compact, controllable alternative to continuous activated sludge. This guide translates SBR systems into actionable design rules, operational controls, troubleshooting workflows and retrofit strategies, with target ranges and decision criteria to compare performance against continuous basins and MBRs. Aimed at […]

Mar 02
Submersible Lifecycle Cost: CAPEX vs OPEX and Energy Payback

Introduction In municipal and industrial wastewater handling, the “iceberg effect” is a well-documented economic reality: the purchase price of a pump represents only a fraction of its true cost. Yet, municipal bid structures often prioritize the lowest initial capital expenditure (CAPEX), inadvertently locking utilities into decades of excessive operational expenditure (OPEX). For consulting engineers and […]

Mar 01
Nutrient Removal in Wastewater: Controlling Nitrogen and Phosphorus

Tighter permits and higher public scrutiny mean controlling nitrogen and phosphorus is a front-line operational issue for many utilities. This guide to nutrient removal wastewater gives municipal decision makers, plant designers, and operators straight answers on selecting, sizing, operating, and monitoring nitrogen and phosphorus control options, and when recovery makes sense. Expect engineering setpoints, performance […]

Dec 18
PFAS Technology Providers

PFAS Technology Providers: Navigating the Evolving Landscape of Water Treatment Solutions Introduction Per- and polyfluoroalkyl substances (PFAS) have emerged as a significant environmental challenge, drawing scrutiny from regulators, industry stakeholders, and the public alike. These "forever chemicals" are primarily used in various applications, including firefighting foam, food packaging, and consumer products, due to their water- […]

Sep 25
Paper Mill PFAS Discharge

Paper Mill PFAS Discharge: Challenges and Solutions in Mitigating Contamination Introduction In recent years, the discharge of per- and polyfluoroalkyl substances (PFAS) from various industrial sources has become an alarming environmental concern. Paper mills, often located near water bodies, are significant contributors to this issue. As of July 2025, the increasing evidence linking PFAS to […]

Sep 01
Innovative Adsorbents for PFAS

Innovative Adsorbents for PFAS: A Comprehensive Guide for Environmental Engineers Introduction In the landscape of contemporary water treatment, the removal of per- and polyfluoroalkyl substances (PFAS) stands as one of the most formidable challenges. These so-called "forever chemicals," known for their persistence and bioaccumulation, have prompted stringent regulations and amplified public concern. As of July […]

Aug 18
Municipal PFAS Treatment

Municipal PFAS Treatment: Comprehensive Solutions for Public Water Systems Introduction Per- and polyfluoroalkyl substances (PFAS) remain a significant concern for municipal water systems across the United States. With mounting evidence linking these chemicals to various health risks, including cancer, liver damage, and developmental issues, municipalities face an urgent challenge in ensuring safe drinking water for […]

Aug 13
Whole House PFAS Filter

Understanding Whole House PFAS Filters: A Comprehensive Guide for Water Quality Management Introduction Per- and polyfluoroalkyl substances (PFAS) have garnered widespread attention in recent years due to their pervasive presence in drinking water and their associated health risks. With an increasing number of states tightening regulations and consumers becoming more aware of water quality issues, […]

Aug 09
Wastewater PFAS Treatment

Wastewater PFAS Treatment: An Essential Guide for Environmental Compliance and Public Health Introduction The rising detection of per- and polyfluoroalkyl substances (PFAS) in wastewater presents a formidable challenge for environmental engineers and municipal water treatment facilities. As manufacturing practices evolve and regulations tighten, ensuring the removal of these persistent contaminants is not just a regulatory […]