Tag: treatment

Introduction In the design of municipal water and wastewater treatment systems, the distinction between static storage and dynamic hydraulic control is often the line between long-term reliability and catastrophic failure. Engineers frequently encounter scenarios where fluid containment overlaps with pressure management, leading to critical decisions regarding vessel specification. A common point of confusion arises when […]

INTRODUCTION In the landscape of wastewater treatment, the secondary clarifier is often the ultimate bottleneck of the activated sludge process. While biological reactors get the glory for nutrient removal, the clarifier is the final gatekeeper of effluent quality. A surprising statistic in the industry is that nearly 50% of clarifier performance issues are not related […]

INTRODUCTION A frequent point of friction in municipal water and wastewater design lies in the disconnect between specifying distinct industrial components and specifying integrated application solutions. Engineers often grapple with a critical choice: should the control system be built around a global industrial powerhouse platform, or a specialized water-centric integration solution? This dilemma is perfectly […]

Introduction In the transition from traditional cast iron sluice gates to modern fabricated stainless steel and aluminum slide gates, municipal engineers often find themselves evaluating two dominant North American manufacturers. The analysis of Golden Harvest vs Whipps – C for Gates: Pros/Cons & Best-Fit Applications is a critical exercise for any design engineer or utility […]

Introduction In municipal and industrial water treatment, flow measurement is arguably the single most critical variable for process control, yet it remains a primary source of operational inefficiency. It is estimated that flow measurement errors contribute significantly to the 20-30% of Non-Revenue Water (NRW) losses seen in many aging distribution systems. Furthermore, in wastewater treatment, […]

Introduction For municipal and industrial engineers, the failure of a water control gate is rarely a minor operational annoyance; it is a critical vulnerability that can lead to catastrophic flooding, regulatory non-compliance, and significant safety hazards. While pumps often receive the lion’s share of attention in hydraulic modeling, the static and dynamic isolation provided by […]

Ultraviolet Disinfection: Safe and Effective Water Treatment Method In an age where clean water is paramount for public health, ultraviolet disinfection water treatment has emerged as a game-changer in ensuring safe drinking water. This innovative method harnesses the power of UV light to effectively eliminate pathogens without the use of harsh chemicals, making it both […]

INTRODUCTION In municipal water and wastewater treatment, the failure of a chemical feed system is rarely a minor inconvenience; it is often a reportable event. According to industry reliability studies, chemical dosing failures account for a significant percentage of process upsets, leading to disinfection by-product (DBP) violations, coagulation failures, or pH excursions. For the design […]

Introduction In the specification of wastewater treatment physical separation equipment—specifically secondary clarification, gravity thickening, and grit removal systems—engineers often reach a critical decision point that dictates plant reliability for decades. The choice frequently boils down to two distinct philosophies: the standardized, process-optimized approach typical of major global OEMs (like Evoqua/Xylem) versus the heavy-duty, custom-fabrication approach […]

INTRODUCTION One of the most persistent challenges in municipal and industrial treatment plant design is the “Proprietary vs. Custom” dilemma. Engineers frequently encounter this when selecting equipment for specialized unit processes—such as high-rate clarification, tertiary filtration, or anaerobic digestion auxiliaries. A surprising statistic from lifecycle audits reveals that while proprietary high-rate systems can reduce civil […]