Tag: frequently asked questions
Effluents from municipal and industrial sources drive most operational headaches and permit risk at wastewater plants. This how-to guide provides a practical, technically detailed roadmap to design and operate effluent monitoring programs, select pretreatment and treatment strategies, and improve discharge quality while managing CAPEX, OPEX, and regulatory exposure. Expect clear decision criteria, sampling and QAQC […]
When a municipal operator must specify a point-of-use or small-scale treatment option, choosing the right water filter katadyn product matters as much for operations and regulatory compliance as it does for capital cost. This article compares Katadyn ceramic microfilters, cartridge systems with activated carbon, and hollow fiber modules, quantifying removal mechanisms, flow and head loss, […]
Gravity water filtration offers a straightforward way to cut pumping energy and improve system resilience when site head and treatment goals align. This how-to guide gives engineers and plant operators step-by-step low-energy design strategies, retrofit pathways, and the instrumentation and performance metrics needed, including numeric ranges, headloss calculation approaches, and a worked example. Read on […]
When a gould pump goes down at a municipal station the consequences are immediate: bypasses, regulatory headaches, and costly emergency repairs. This hands-on guide shows operators and engineers how to translate a wastewater duty point into the right Goulds model, size and commission the pump with proper NPSH margin, implement preventive maintenance and condition monitoring, […]
Introduction In the hierarchy of water and wastewater treatment equipment, mud valves often occupy the lowest tier of attention—quite literally sitting at the bottom of sedimentation basins, clarifiers, and reservoirs. Yet, despite their simplicity, they represent a critical failure point. A single seized mud valve in a sedimentation basin can force a utility to drain […]
Introduction In the lifecycle of water and wastewater treatment infrastructure, the most critical risk period often occurs immediately after startup. Reliability engineers refer to this phenomenon as the “infant mortality” phase of the bathtub curve, where installation errors, manufacturing defects, and specification mismatches lead to a spike in component failures. For municipal engineers and plant […]
Introduction For municipal water utilities, Non-Revenue Water (NRW) represents a significant financial and operational hemorrhage. While aging distribution networks are often the primary culprit, poor installation practices for ancillary equipment contribute disproportionately to this loss. Automatic flushing devices (AFDs) are essential tools for managing water age, maintaining chlorine residuals, and removing sediment in dead-end mains. […]
Introduction In municipal water and industrial wastewater treatment, the failure of a large-diameter isolation valve to close during a pipe burst, or the inability of a filter effluent valve to modulate flow accurately, can result in catastrophic flooding, permit violations, and massive financial losses. Yet, during the specification phase, the interface between the valve and […]
Introduction Municipal wastewater infrastructure in North America and Europe is facing a critical convergence: aging assets and evolving waste streams. A significant percentage of lift stations commissioned between 1970 and 1990 are reaching the end of their design life. Simultaneously, the composition of modern wastewater—laden with non-dispersible synthetics and wipes—is wreaking havoc on hydraulic designs […]
Introduction to Diaphragm Pump Economics For municipal and industrial engineers, the initial purchase price of a pump often dominates the procurement conversation. However, in the realm of positive displacement technology, fixating on the sticker price is a critical specification error. A detailed analysis of Diaphragm Lifecycle Cost: CAPEX vs OPEX and Energy Payback reveals that […]