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CCR -- ELG Proposed EPA Regulations Changing the Coal Power Generation Industry by Dale Timmons, NAES - Hot Topic Hour October 3, 2013

Dale discussed the Circumix Dense Slurry System (DSS) technology.

Revision Date:  10/3/2013

Tags:  221112 - Fossil Fuel 化石燃料, NAES Corp., Flyash Pond, Bottom Ash, CCR, Regulation, Ash Handling, Chemical Fixation


Coal Ash and CCR Issues and Standards Webinar - Hot Topic Hour October 3, 2013

 

Revision Date:  10/3/2013

Tags:  221112 - Fossil Fuel 化石燃料, GSE Environmental, Sargent & Lundy, NAES Corp., Clyde Bergemann, Conveying, Dry Ash Conveyor, Geosynthetic Lining, Flyash Pond, Bottom Ash, CCR, Regulation, Chemical Fixation, Ash Handling


NAES Company Profile in the Combined Cycle Journal, October 1, 2013

Headquartered in Issaquah, Washington, NAES Corporation is the energy industry’s largest independent provider of operations, construction and maintenance services, provided through a tightly integrated family of subsidiaries and operating divisions. NAES services include construction, retrofit and maintenance services under dedicated long-term maintenance or individual project contracts; on-site turbine inspection/overhaul services; parts refurbishment and equipment repair; staffing solutions; and customized services designed to improve plant and personnel effectiveness.

Revision Date:  10/23/2013

Tags:  221112 - Fossil Fuel 化石燃料, NAES Corp., Service & Repair, Combined Cycle Journal


Dense slurry key to ZLD at Hungarian Power Plant

The U.S. Environmental Protection Agency identified biological treatment as the baseline treatment technology for FGD wastewater in the ELGs. However, it is becoming evident that bioreactors exhibit high capital and operating costs, occupy significant space, and are sensitive to changes in temperature and pH. Dense slurry ash management can sequester large quantities of FGD wastewater along with the contained contaminants through hydration, encapsulation, and entrainment for a fraction of the cost of traditional treatment. By using dense slurry sequestration of FGD wastewater, off-site discharge of effluent can be avoided altogether. Dense slurry was employed at (among other plants) the Matra Power Plant near Budapest, Hungary, and this technology played a key role in helping the plant achieve zero liquid discharge (ZLD). The Matra project is summarized and data are presented that show how the technology helped the plant achieve ZLD and other environmental objectives. Note: As of 2001, NAES Corp is a Division of Itochu

Revision Date:  6/27/2019

Tags:  221112 - Fossil Fuel 化石燃料, U.S. EPA, NAES Corp., Slurry, Wastewater, Zero Liquid Discharge, Hungary