Category: Chemical Contaminants

PFAS chemicals have become a major concern for wastewater treatment facilities across the country. These synthetic compounds, known as “forever chemicals,” enter wastewater systems through industrial discharges, commercial operations, and everyday household products. Wastewater treatment plants receive PFAS from multiple sources including manufacturing facilities, car washes, industrial launderers, and residential use of products like stain-resistant […]

Hydrogen sulfide is a smelly gas that can be a big problem in wastewater. It smells like rotten eggs and can make people feel sick. Hydrogen sulfide forms when bacteria break down organic matter in wastewater. This gas is not just smelly, it’s also dangerous. It can hurt people and animals if they breathe too […]

Chemical contaminants are substances that can harm our health when they enter our water, air, or food. These pollutants come from many sources, including factories, farms, and everyday household products. They can cause serious health problems if we’re exposed to them over time. Chemical contaminants in drinking water can lead to cancer, organ damage, and […]

Introduction Phosphorus is the nutrient most often responsible for eutrophication in fresh water, and discharge limits have tightened steadily as utilities and regulators have connected algal blooms to phosphorus loading. Conventional removal relies on chemical precipitation with aluminum or iron salts, or on enhanced biological phosphorus removal, and both work well at the concentrations typical […]