About Us

WHAT IS AN ATAD? ATAD stands for Autothermal Thermophilic Aerobic Digestion.

TPS ThermaerThermal Process Systems was founded by experienced wastewater treatment professionals who understand first hand the complex issues of bio-solids processing and re-use. Frustrated by the compromises that were necessary with existing systems -- and the inability of these processes to meet industry demand -- they formed their own company focused exclusively on bio-solids management. Their first challenge: to develop a more reliable, more efficient process for the production of high quality bio solids. The result is the proprietary ThermAer process. ThermAer has been subjected to rigorous field-testing in full-scale operating systems, and pilot testing at various sites since 1995. It has exceeded every customer expectation. In addition to the proprietary ThermAer process, Thermal Process Systems has also established relationships with the most respected equipment manufacturers in the industry today. It is an unmatched combination, offering you complete systems integration, from retrofit to ground up installation and control.


Congratulations to Gregg Backstrom and Treatment Resources!  Gregg was awarded the 2016 ThermAer of the Year Award at the 2017 WEFTEC in Chicago.

Congratulations to Holman Waters and TDH!  Holman was awarded the 2016 BiofiltAer of the Year Award at the 2017 WEFTEC in Chicago.

European TAG 7 - Thermal Process Systems Presentation                                                                                                                                                         Watch Video      Use password isle123

 **For Immediate Release**  Evaluation the use of Biosolid based fertility treatments for use on high quality turf in the Chicago area in 2015 - E.J. Nangle, R.V. Townsend, F.D Dinelli  Read More

Class A Solids Success Story

North Carolina AWWA / WEA
Raleigh, NC
November 12-15
More information»

Huntingdon Borough WWTP
Huntingdon, PA
WWTP wins award - click below to learn more!
Facility Details »

$109 / dry ton, Amazing!
In 2004, the City of Bowling Green, Ohio, installed Ohio's first TPS ThermAer Process expanding the plant capacity from 6 MGD to 10 MGD. This energy efficient process offered superior solids reduction and an odor-free operation. Doug Clark, Water Pollution Control Superintendent, calculated 2009 treatment costs at a remarkable $109 per dry ton. In addition, 38% total solids are coming off the centrifuge.

Speedway, IN - The TPS SNDR following anaerobic digestion shows exceptional results. Preliminary average results since May 2012 start up are: ammonia filtrate concentration of 14 mg/L plus an additional volatile solids reduction of 38%.

TPS INTRODUCES THE THERMSOLAER!!! ThermSolAer combines the proven technology of the ThermAer and the TerSolair - one of Europes' leading solar dryers - which can reduce or even elimniate biosolids management costs. This Class A, organically bound material, dried to high levels, is a valuable source of nutrients for local landscapers, golf courses and the community. The addition of an 'Augmented' Energy Recovery' process makes the ThermSolAer an energy efficient, sustainable-year round, green process. Benefits include an odor free dried cake, smaller footprint and a potential profit center. Contact us at 219 / 663 - 1034 to learn more.

GENENA, NEW YORK AND CONESTOGA-ROVERS & ASSOCIATES WIN A 2015 ACEC New York Platinum Award for their Digester and Grit Systems Improvements Project. This award, inclusive in the Waste and Storm Water category, will be presented on March 28, 2015 at the Waldorf Astoria, New York, NY! Congradulations to all those involved in making this project a tremendous success!

NEW YORK WEA 2016 Annual conference to showcase the Genena ThermAer installation.  On Tuesday, February 9, Eric Haslam of GHD and Robert Wooldridge of Thermal Process Systems, will present Conversion from In-Vessel Compost to Aerobic Digestion for Production of Class A Biosolids.  In addition, on Wednesday, February 10, Scott Crosswell and Howard Butler both of GDH will present Next Generation ATAD Philosophy and Start Up Lessons.  Click for Program

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