Category: Advanced Treatment
INTRODUCTION One of the most common, yet catastrophic, process failures engineers and operators encounter in biological wastewater treatment is the sudden loss of nitrification. Often, the culprit is not toxicity or temperature, but a failure to adequately design for pH and Alkalinity Control in Wastewater Treatment. While pH and alkalinity are frequently discussed interchangeably, treating […]
Introduction: The Shift to Ultraviolet Disinfection One of the most persistent challenges municipal and industrial wastewater engineers face is balancing stringent disinfection requirements with the environmental and safety risks associated with chemical treatment. For decades, chlorine contact basins were the default standard. However, the regulatory tightening around disinfection byproducts (DBPs), the stringent limits on total […]
INTRODUCTION In municipal and industrial water infrastructure, an unyielding truth governs plant reliability: a multimillion-dollar treatment facility will routinely fail to meet compliance if a $5,000 chemical dosing skid underperforms. When addressing Chemical Feed Systems in Water Treatment: Design and Selection, engineers are often forced to balance severe operational extremes. These systems must consistently deliver […]
Introduction For decades, municipal and industrial wastewater treatment facilities relied on chlorine gas or sodium hypochlorite for final effluent disinfection. While effective at pathogen inactivation, traditional chlorination presents severe operational liabilities: the generation of toxic disinfection byproducts (DBPs) such as trihalomethanes (THMs) and haloacetic acids (HAAs), the requirement for costly dechlorination steps (typically using sodium […]
Introduction to Ozone System Engineering Ozone generation is one of the most chemically potent yet operationally complex technologies in the water treatment arsenal. Unlike UV or chlorination, ozone is generated on-site, requiring a sophisticated integration of power supply, gas preparation, cooling thermodynamics, and mass transfer mechanics. For municipal and industrial engineers, the challenge is rarely […]
Comprehensive Odor Control Solutions for Wastewater Facilities Introduction Odor is the wastewater industry’s most visible failure mode. A plant can meet every permit limit on its discharge and still be judged a failure by the people who live downwind of it, because odor is the only aspect of treatment performance the public can perceive directly […]
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 […]
Understanding UVT Monitoring: A Comprehensive Guide Introduction In today’s world, maintaining environmental health and public safety is a priority. One of the lesser-known but significantly important aspects of this is UVT monitoring. UVT, or Ultraviolet Transmittance, monitoring plays a crucial role in water treatment and quality assurance processes. This article aims to explore UVT monitoring […]
Understanding UV254 Analyzers: An In-Depth Exploration of Their Role in Water Quality Assessment Introduction The ever-growing demand for clean and safe water has propelled advancements in water quality assessment technologies. Among these, the UV254 analyzer has emerged as a critical tool for measuring organic contaminants in water resources. This detailed article aims to provide an […]
The Comprehensive Guide to Ion Exchange Water Softeners Water is a fundamental resource for everyday life, and its quality undoubtedly affects our health, home infrastructure, and appliances. Hard water, which contains a high concentration of minerals like calcium and magnesium, can lead to several issues, from scaling in pipes to inefficient operation of water heaters […]