Tag: energy efficiency

Feb 11
and Shaft Currents

Introduction For municipal water and wastewater engineers, the adoption of Variable Frequency Drives (VFDs) has been the single most significant advancement in energy efficiency and process control over the last three decades. However, this transition has introduced a pervasive, silent reliability killer that often goes misdiagnosed as mechanical failure or lubrication breakdown. A surprising industry […]

Feb 07
Wastewater Aeration Systems: Improving Treatment Efficiency

Wastewater Aeration Systems: Improving Treatment Efficiency Article Overview Article Type: How-To Guide Primary Goal: Give municipal decision makers, plant designers, and operators a practical, technically rigorous roadmap for selecting, designing, operating, retrofitting, and maintaining aeration system wastewater installations to maximize treatment performance and minimize energy and lifecycle costs. Who is the reader: Municipal utility managers, […]

Jan 15
Top OEMs for Solids Dewatering Equipment

Technical Note for Engineers: This article provides a specification-level overview of Solids Dewatering Equipment for municipal and industrial applications. It focuses on engineering selection criteria, operational realities, and an impartial analysis of specific Original Equipment Manufacturers (OEMs). 1. Introduction Solids dewatering represents one of the most critical unit operations in the water and wastewater treatment […]

Jan 15
Kaeser vs Gardner Denver Nash for Aeration: Pros/Cons & Best-Fit Applications

Introduction Aeration systems represent the single largest energy consumer in biological wastewater treatment, typically accounting for 50% to 75% of a facility’s total electrical demand. For decades, the industry relied on robust but inefficient positive displacement (PD) lobe blowers or uncontrolled multistage centrifugal systems. However, the modern regulatory environment, characterized by strict nutrient limits and […]

Jan 12
Aqua Aerobic Systems: Innovative Solutions for Wastewater Treatment

Aqua Aerobic Systems: Innovative Solutions for Wastewater Treatment Mechanisms of Aqua Aerobic Systems Aqua aerobic systems are best suited for municipalities and industries that require efficient and effective wastewater treatment solutions with a focus on biological processes. These systems leverage aerobic digestion to break down organic matter, making them particularly advantageous in settings where space […]

Jan 09
Top OEMs for Variable Frequency Drives (VFDs)

1. Introduction In the context of municipal water and wastewater treatment, energy consumption represents one of the largest operational expenditures (OPEX) for utilities. Within these facilities, rotating equipment—specifically pumps, blowers, compressors, and mixers—accounts for the vast majority of this energy usage. The primary mechanism for controlling this equipment, optimizing energy efficiency, and managing process variables […]

Jan 06
Henry Pratt vs Val-Matic for Check Valves: Pros/Cons & Best-Fit Applications

1. INTRODUCTION The sound of a check valve slamming shut—resembling a sledgehammer striking the pipe—is more than a nuisance; it is an audible indicator of kinetic energy rapidly converting to pressure energy, potentially exceeding the structural limits of the piping system. For municipal and industrial engineers, the selection of check valves is the primary line […]

Dec 27
Understanding the Importance of Effluent Treatment Plants

Understanding the Importance of Effluent Treatment Plants Regulatory Framework Governing Effluent Treatment Did you know that over 80% of the world's wastewater is released into the environment without adequate treatment? This alarming statistic highlights the critical need for robust regulatory frameworks governing effluent treatment plants (ETPs). Without these regulations, we’d be swimming in a toxic […]

Dec 06
Comprehensive Water and Wastewater Treatment Design Guide

Comprehensive Water and Wastewater Treatment Design Guide Regulatory Framework and Compliance Standards Navigating the maze of regulations surrounding the treatment of water and wastewater can feel like trying to find your way through a cornfield blindfolded. With over 40 federal regulations and countless state laws, it’s no wonder that municipalities often feel overwhelmed. In fact, […]

Nov 25
Modern Wastewater Treatment Processes and Best Practices

Modern Wastewater Treatment Processes and Best Practices Overview of Current Wastewater Treatment Technologies Did you know that approximately 80% of the world's wastewater is discharged into the environment without adequate treatment? That’s like throwing a party and forgetting to clean up after yourself—except this party is a global catastrophe. Wastewater treatment has evolved significantly over […]