Tag: treatment
INTRODUCTION In municipal and industrial water and wastewater treatment plants, valves represent the most numerous moving assets within the process train. Despite their ubiquity, improper valve selection and neglected lifecycle maintenance contribute to an estimated 20% to 30% of system downtime events. For utility directors, plant superintendents, and design engineers, mastering the principles of Valves […]
Introduction One of the most common, yet catastrophic, oversight errors in municipal water and industrial wastewater treatment plants occurs at the chemical feed skid. Engineers often spend countless hours specifying the perfect metering pump or chemically inert control valve, only to default to standard-issue automation. When dealing with highly corrosive substances like sodium hypochlorite, ferric […]
Clark County water reclamation serves as a practical blueprint for municipalities facing stricter effluent limits, aging infrastructure, and tight budgets by tracing permitting strategy, technology choices, phased construction and operational handover. This case study delivers concrete timelines, commissioning and operator training checklists, vendor trade offs, and measurable KPIs practitioners can adapt for medium to large […]
INTRODUCTION Designing overpressure protection for clean water systems is a relatively straightforward hydraulic exercise; attempting the same for 6% primary sludge, 30% lime slurry, or abrasive mine tailings is an entirely different engineering challenge. When evaluating Pressure Relief Valves for Slurry Service: What Works & Fails is a critical question that separates a safely protected […]
INTRODUCTION: THE HIDDEN COST OF CAVITATION IN WASTEWATER For municipal consulting engineers and plant operators, the distinct “gravel rattling” sound emanating from a pump volute or control valve is a familiar and costly warning. Cavitation—the formation and violent collapse of vapor bubbles within a fluid—accounts for up to 30% of premature equipment failures in severe […]
INTRODUCTION In municipal water distribution and industrial wastewater treatment, process engineers frequently agonize over pump selection, pipe routing, and advanced biological treatment modeling. Yet, one of the most common causes of process failure, water hammer, and localized flooding stems from a fundamentally overlooked element: the interface between the control system and the physical flow. This […]
INTRODUCTION One of the most persistent and costly challenges consulting engineers and plant operators face is the chronic misapplication of modulating control valves. Walk into almost any municipal water treatment plant or industrial wastewater facility, and you will likely find a control valve hunting wildly near its closed position, suffering from premature trim wear, or […]
The halo 5 water system is a UV-based treatment platform many utilities are evaluating for potable, reuse, and tertiary disinfection applications. This article delivers a technical breakdown of its architecture, hydraulics, lamp and control characteristics, and how delivered UV dose performs under representative water qualities, with head-to-head context against TrojanUV, Xylem Wedeco, and Evoqua. For […]
INTRODUCTION One of the most persistent and costly errors in municipal water and wastewater engineering is the practice of “line-sizing” control valves. When engineers default to matching a control valve’s diameter to the adjoining pipe size, the result is almost always an oversized valve. A poorly sized valve operating continuously between 10% and 20% open […]
INTRODUCTION Few operational anomalies in a water or wastewater treatment plant are as immediately concerning as the sound of gravel rushing through a pipeline—especially when there is no gravel in the system. For consulting engineers, plant operators, and utility managers, understanding Ball Valves Cavitation and Noise: Causes is a critical step in preventing catastrophic valve […]