Tag: methods
INTRODUCTION One of the most frequent, yet easily preventable, failure points in municipal and industrial treatment facilities occurs at the very bottom of chemical storage and settling tanks. When a bottom-drain valve fails to seat properly, binds due to corrosion, or leaks hazardous chemical sludge into secondary containment, engineers are forced into emergency response modes. […]
INTRODUCTION In municipal water distribution, wastewater treatment, and industrial fluid handling facilities, a leaking valve is more than a nuisance; it represents a significant point of failure that compromises process integrity, increases non-revenue water (NRW) losses, and introduces severe environmental and safety hazards. Despite stringent manufacturing standards, field leakage remains a pervasive challenge. Studies consistently […]
INTRODUCTION One of the most destructive and frequently misunderstood phenomena in municipal and industrial water systems is the hydraulic transient, commonly known as water hammer. When a pump suddenly loses power, or a valve closes too quickly, the kinetic energy of the moving fluid column is abruptly converted into pressure energy. This generates high-velocity pressure […]
Effluent Discharge Standards: Compliance and Best Practices Article Overview Article Type: How-To Guide Primary Goal: Equip municipal managers, plant operators, design engineers, and equipment manufacturers with a practical, technically rigorous roadmap to interpret effluent discharge standards, design and operate treatment systems to meet permits, implement reliable monitoring and reporting, and future-proof facilities for emerging contaminants […]
1. Introduction In the water and wastewater industry, the failure of screw pumps—whether large Archimedes lift pumps or progressive cavity sludge pumps—often stems not from hydraulic inadequacy, but from thermal mismanagement of the drive system. A surprising statistic from motor reliability studies indicates that for every 10°C rise in operating temperature above the rated limit, […]
Anoxic Zones in Wastewater Treatment: Nitrogen Removal Explained Article Overview Article Type: Informational Primary Goal: Explain how anoxic zone treatment removes nitrogen in municipal and industrial wastewater, covering microbial mechanisms, common process configurations, design and operational parameters, monitoring and control strategies, retrofit options, technology vendors, and real world examples so engineers and operators can design, […]
Clarifier Tanks: How They Separate Solids in Treatment Article Overview Article Type: Informational Primary Goal: Explain how clarifier tanks remove and concentrate suspended solids in wastewater, provide the engineering principles and design parameters used to size and operate clarifiers, and give practical troubleshooting, retrofit, and vendor selection guidance for municipal and industrial wastewater professionals Who […]
FACILITY BASIC INFORMATION Plant Name: Econchate Water Pollution Control Facility (WPCF) Location: 8500 Wares Ferry Road, Montgomery, Alabama 36117 Operating Authority: Montgomery Water Works & Sanitary Sewer Board (MWWSSB) Design Capacity: 24.0 MGD (Million Gallons per Day) Current Average Flow: ~12-15 MGD (Dry Weather) Population Served: Approx. 85,000 – 100,000 residents (Eastern Zone) Service Area: […]
Lagoon Treatment Systems: Natural Wastewater Processing Article Overview Article Type: Informational Primary Goal: Provide municipalities, design engineers, plant operators, and equipment manufacturers with a practical, technically rigorous guide to lagoon treatment system selection, design, operation, performance expectations, limitations, and upgrade strategies so they can evaluate whether a lagoon system is appropriate and how to design […]
Facility Basic Information Plant Name: San Jose-Santa Clara Regional Wastewater Facility (RWF) Location: 700 Los Esteros Road, San Jose, CA 95134 Operating Authority: City of San Jose, Environmental Services Department Design Capacity: 167 MGD (Average Dry Weather Flow) Current Average Flow: ~110 MGD Population Served: ~1.4 million residents Service Area: San Jose, Santa Clara, Milpitas, […]