Category: PFAS
Hydrothermal Alkaline Treatment of PFAS: A Comprehensive Solution to a Growing Environmental Challenge Introduction Per- and polyfluoroalkyl substances (PFAS) have emerged as notorious environmental contaminants due to their persistence and potential health risks. These "forever chemicals" have become a significant concern, affecting water supplies and ecosystems worldwide. In light of increasing regulatory scrutiny and public […]
GAC Reactivation for PFAS: A Comprehensive Solution for Water Treatment Introduction As global awareness increases regarding per- and polyfluoroalkyl substances (PFAS) and their detrimental effects on public health and the environment, the need for effective treatment solutions has become a pressing concern for water treatment facilities. Granular Activated Carbon (GAC) systems have emerged as a […]
PFAS Concentrator Technology: A Comprehensive Overview for Environmental Engineers Introduction PFAS destruction technologies work, but they are energy-intensive per unit of water treated. Applying them to a full municipal flow is not economic. Applying them to a few cubic meters of concentrate that contains the same mass of PFAS is an entirely different proposition. That […]
Foam Fractionation for PFAS: A Comprehensive Solution for Contaminated Water Introduction The contamination of drinking water sources with per- and polyfluoroalkyl substances (PFAS) represents one of the most pressing environmental challenges of the 21st century. As municipalities and industries grapple with stringent regulations and public health concerns, finding efficient treatment methods has become paramount. Foam […]
Novel PFAS Adsorbents: Innovative Solutions for Contaminated Water Treatment Introduction Activated carbon and ion exchange resin remove PFAS effectively enough to meet drinking water limits, and they are what utilities install today. But both have known weaknesses — limited capacity for short-chain compounds, competition from natural organic matter, and spent media that must be disposed […]
PFAS Research Trends: A Comprehensive Analysis of Current Strategies and Future Directions Introduction Per- and polyfluoroalkyl substances (PFAS) are a group of environmental contaminants that have gained increased attention over the last decade. These synthetic chemicals, often referred to as "forever chemicals" due to their persistence in the environment, have been linked to several health […]
Sustainable PFAS Solutions: Navigating Regulations and Implementing Effective Technologies Introduction Most PFAS treatment removes the problem from water and transfers it somewhere else — onto spent carbon, into single-use resin, or into a concentrated reject stream. Those residuals then need energy, transport, and a disposal route, and the routes available are narrowing. A treatment system […]
Source Tracking PFAS: A Comprehensive Analysis for Environmental Professionals Introduction Per- and polyfluoroalkyl substances (PFAS) have emerged as a critical environmental concern due to their pervasive nature and potential health impacts. These synthetic chemicals have infiltrated water supplies, soil, and air, resulting in serious implications for public health and environmental sustainability. As the regulatory landscape […]
PFAS Forensics: Understanding, Detection, and Remediation Introduction When PFAS is found in groundwater or a drinking water supply, one question follows immediately: where did it come from? With federal designation of PFOA and PFOS as hazardous substances and litigation over contamination costs, the answer carries substantial financial and legal weight. PFAS forensics is the discipline […]
Understanding TOP Assay: A Comprehensive Guide for Water Treatment Professionals Introduction The TOP assay — short for Total Oxidizable Precursor assay — is the analysis most often recommended when standard PFAS results do not add up. A site where firefighting foam was used shows modest PFOA and PFOS levels; groundwater concentrations climb years after the […]