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Audit by Evoqua results in power plant savings for power, chemicals and labor costs

An uninterrupted supply of high-quality water is vital to power plant operations. When making outage plans that include preventative maintenance on key plant systems, plant personnel should address the plant’s water treatment equipment, ensuring it receives the same high level of attention as its boiler, condensers, turbines and process equipment. So, how does a maintenance planner know whether the water treatment system is operating at its best and that it can meet the power plant’s current and future demands? One way is to plan an audit of the water treatment equipment before a planned outage. The audit should start with a system check-up to assess system conditions, performance and efficiencies and to pinpoint areas that need improvement. The check-up also can determine if a full system audit is required to provide a more in-depth investigation of a single or multiple water unit operation. The system audit should address the individual challenges of specific situations and include an in-plant survey and a summary of findings and recommendations for improvement.

Revision Date:  12/9/2016

Tags:  Evoqua, Wastewater, Cost, Reverse Osmosis, Ion Exchange

Evoqua Water Technologies LLC - New USEPA ELGs and CCRs Regulations

Conserve Capital, Lower Future Operating Costs and Ensure Compliance.This video covers the USEPA Effluent Limitation Guidelines (ELGs) and Coal Combustion Residuals (CCRs) regulations, Presenters are Chuck McCloskey, Director of Industrial Wastewater Service and Mike Riffe, Industrial Application Engineering Manager Evoqua has substantial experience in the design, construction and operation of Flue Gas Desulfurization (FGD) physical treatment systems that are designed to remove the heavy Total Suspend Solid (TSS) load of scrubber purge streams.

Revision Date:  12/9/2016

Tags:  Evoqua, Wastewater, Regulation

Northeast coal fired power plant uses Evoqua ion exchange resins to remove vanadium from wastewater

When a coal-fired power plant in the Northeast discovered that the runoff from its ash pile contained vanadium levels exceeding discharge limits, it contacted Evoqua Water Technologies, for assistance. Test results showed ion exchange (IX) resin would remove roughly two pounds of metal for every cubic foot of resin. Calculations indicated the entire pond could be treated with less than 60 cubic feet of ion exchange media. The Evoqua’s solution featured two (2) 36” x 72” steel vessels, each containing roughly 30 cubic feet of resin. The tanks were installed in series with sampling ports after each vessel. The final effluent is sent to a holding tank for testing by a statecertified laboratory prior to discharge, to confirm that the vanadium level is within limits. When the resin in the vessels reaches capacity, the local Evoqua service branch is notified and delivers fresh tanks containing new resin to the site. Exhausted tanks are shipped to Evoqua’s RCRA-permitted treatment facility where the contaminants are removed from the resin and recycled into a raw material.

Revision Date:  12/9/2016

Tags:  Evoqua, Wastewater, Ion Exchange