White Papers
Energy Recovery

MSMT - A Significant Process Improvement for SWRO
Executive Summary Seawater reverse osmosis systems (SWRO) are the mainstay of large-scale desalination systems. Plant designs have settled in a more or less standard configuration using a single membrane stage with permeate recoveries ranging from

Reverse Osmosis Pumps and ERDs: Making the Right Choice for Offshore Platforms and Marine Service
Executive Summary Reverse Osmosis (RO) systems are widely accepted on offshore platform and vessels. These marine applications require compact size, good efficiency and low weight and the utmost in reliability as a failure can result in large

ERD Efficiency: What System Builders and Consultants Need to Know
Executive Summary There is no standard definition of efficiency for energy recovery devices (ERDs). Each supplier is free to create their own definition that (not surprisingly) often favors their particular technology. Download the White Paper This

What is the Water Bearing™ technology?
What is Water BearingTM technology The Water Bearing™ technology was developed for all FEDCO pumps to increase reliability and maintenance for reverse osmosis systems. The patented FEDCO Water Bearing™ uses the pump discharge pressure to produce a

Motorized Turbochargers
Executive Summary Energy Recovery Devices (ERDs) are widely used in seawater reverse osmosis (SWRO) systems with turbochargers and rotary ceramic isobaric chambers or CICs dominating the market. The White Paper ERD Efficiency – What Systems Builders

Why We Custom Design Every Turbocharger
Turbochargers are simple machines but represent a daunting hydraulic design challenge: Design the turbine end to create a pressure differential to match the brine flow and pressure duty point; Design the turbine with a best efficiency point (BEP)

Brine Flow Pressure Control in RO Systems using Turbochargers
Executive Summary Turbochargers have come to dominate small and medium SWRO brine energy recovery applications by virtue of low CAPEX, easy operation and very good energy recovery efficiency. Download the White Paper The other function of the

Comparing Energy Recovery Devices: HPB Turbochargers vs Pelton Wheels
There are many benefits of replacing a Pelton Impulse Turbine with a Hydraulic Pressure Booster or HPB. Energy savings realized in the range of 6-20%. Total costs of HPB are typically 50% less than the cost of the Pelton Impulse Turbine. The HPB is

Finding the Serial Number on Your FEDCO Equipment
When you need to order parts or service on your FEDCO pump or energy recovery device, you will need to know the Model Number and Serial Number, These reference numbers allow us to retrieve the engineering specifications for your equipment to enable