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ThermoEnergy Corporation (TMEN)

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ThermoEnergy Corporation

Worcester, MA 01606

Tel. 1-508-854-1628

Web Site:

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ZEBS® - Clean Combustion of Carbonaceous Fuels with No CO2 or other Air Emissions

Coal is America's cheapest and most abundant energy resource, projected to last for 250 years or longer. Our goal is to harness this vast resource, converting it into energy, in a clean and environmentally responsible manner, including the elimination of all air emissions and the capture of carbon dioxide. Babcock-Thermo Clean Combustion, LLC ("BTCC"), a limited liability company formed by subsidiaries of ThermoEnergy Corporation and Babcock Power Inc., has developed a patented new process to produce electricity and liquid CO2 from coal and potentially a diverse mix of energy resources that may include oil and biomass (including "waste" or "opportunity" fuels) with near zero air emissions of priority and toxic pollutants. This new process is known as ZEBS.®  ZEBS® represents a new thermodynamic approach in power plant design. Based on reliable oxycombustion chemistry it combines the combustion of carbonaceous fuels with essentially complete recovery of all by-products. The key element that differentiates ZEBS® from conventional oxycombustion is pressurization.

Significant economic and process benefits can be achieved by pressurizing the entire power plant flue gas system, including the boiler. Operating a power plant firing system at high pressure (i.e. between 700 and 1300 psi) allows for the utilization of higher-heating values in coal or other carbon fuels, and enables the CO2 in the flue gas to be captured as a liquid, so it is never emitted into the air. Other harmful chemical emissions such as NOx, SOx , mercury, and particulates are also captured this way and do not enter the atmosphere where they are detrimental to air quality. The captured CO2, which is already in clean, pressurized liquid form, is now a valuable commodity ready for shipment by pipeline, rail or truck for sequestration or beneficial use (e.g. enhanced oil recovery or coal-bed flooding to recover the methane). ZEBS® can be utilized as a low-cost alternative for new power plant construction or as a cost-effective method of repowering existing fossil fuel power plants.

Benefits of "Pressurized" Oxy-combustion
Combustion and emission control strategies of a pressurized oxy-combustion system like ZEBS® differs significantly from those employed at ambient conditions. The elevated system pressure enables the use of gas-to-liquid steam-hydroscrubbing to collect and remove pollutants and recover the latent heat from water entrained or produced in the combustion process by shifting the temperatures at which water, CO2, mercury and acid gases condense. This allows ZEBS® to recover the pollutants in the aqueous phase, including CO2 in clean pressurized liquid form ready for sequestration or beneficial reuse. In addition, pressurized oxycombustion is estimated to increase power plant efficiency between 5.5 and 6 percent over most atmospheric combustion technologies, including atmospheric oxycombustion. This is achieved in part due to the recovery of the energy entrained in the water vapor produced during combustion. The water vapor content of the flue gas can be over 40% by volume depending on the fuel. High pressure allows this vapor to be condensed at a much-higher temperature than would occur under atmospheric operating conditions. As a result, the thermodynamic quality of the condensing heat is high and can be used for high value purposes such as feed-water heating to improve power plant cycle efficiency.
Heat transfer correlations and modeling show 10 to 12 times greater overall heat transfer coefficient to boiler tubes than non-pressurized combustion methods. Since ZEBS® is a Rankine cycle-based technology, it benefits from the continued improvements in supercritical boiler technology and increased steam cycle efficiency. It can directly benefit from the advances being generated by the Department of Energy's ultra-supercritical materials program as well as advancements in oxygen production.
ZEBS® Has Tremendous Fuel Flexibility
The high oxygen partial pressure operating environment also increases char reaction rates resulting in high carbon burnout at reduced residence time. This, in combination with the flexibility of pulverized coal, makes the ZEBS ideally suited for a wide range of fuels, particularly low rank fuels with high moisture content such as subbituminous, lignite, and/or coal water slurries. Recovery of the heat of condensation of water vapor at useful temperatures, integrated pollution control and CO2 condensation at ambient temperature enable the system to mitigate the energy demands of carbon capture. It can be utilized for new generation on coal-fired plants with advanced steam parameters and has unique technical and cost advantages for repowering the United States' existing power fleet.
ZEBS® can be Up to 10 Times Smaller in Size Than Conventional Power Plants
Pressurized combustion also leads to a significant reduction in furnace volume and heat exchanger sizes compared to ambient air or oxygen fired systems. In addition to lower specific gas volumes, we have found significantly enhanced convective heat transfer rates due to pressure. In short, a ZEBS® power plant can be up to 10 times smaller than a conventional power plant of equal thermal output, providing significant capital cost advantages. In lower capital cost and much smaller footprint makes ZEBS® an ideal technology for repowering existing power plants.
ZEBS® can be integrated into existing power plants without shutdown
A ZEBS® power block can be added to an existing power plant without the need to take the existing boiler system offline. This means the power plant does not have to suffer the revenue losses associated with de-rating a plant while replacing an old conventional boiler system with a new one. ZEBS® promises to achieve carbon capture with superior fossil-fuel power plant thermal efficiency due to its novel and patented process design and is expected to have an economic and environmental advantage over competing carbon capture technologies.

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#1059   TMEN SEC Suspension for Financials / Filings delinquencies: Renee 08/09/16 09:38:04 AM
#1058   LOL - Dead chart! $TMEN THEGOOGLE5 06/02/15 03:25:46 PM
#1057   tight chart Dahmer 05/08/15 10:44:41 PM
#1056   Warning here!! rodeofan 05/05/15 01:25:57 PM
#1055   I guess I don't understand your point, or JimWood 04/29/15 08:22:27 PM
#1054   GidDy uP TMEN... The GidDy uP Kid 04/29/15 02:55:43 PM
#1053   Why do you keep trying to prop up JimWood 04/29/15 02:14:35 PM
#1052 The GidDy uP Kid 04/29/15 12:37:52 PM
#1050   GidDy uP TMEN... The GidDy uP Kid 04/27/15 10:09:10 AM
#1049   Who's taking profit from $TMEN and at what levels? Exodus0001 04/06/15 04:25:17 AM
#1048   No, TMEN isn't hiring. JimWood 04/03/15 08:43:05 AM
#1047   TMEN is hiring... GidDy uP... The GidDy uP Kid 04/02/15 12:15:54 PM
#1046   TMEN .0015 hit WANG 04/01/15 01:48:13 PM
#1045   What's your point Giddy? JimWood 03/31/15 08:48:12 PM
#1044 The GidDy uP Kid 03/31/15 03:23:25 PM
#1043   the end for TMEN ???? King Vegeta 03/29/15 08:21:49 PM
#1042   I'm not sure what you want me to JimWood 03/27/15 11:36:39 AM
#1041   They are hiring... and check out Arthur Reynolds... The GidDy uP Kid 03/27/15 10:08:16 AM
#1040 expired on 03/15/2015 and is pending renewal Chuckle 03/27/15 10:03:32 AM
#1039   Go to their office in Worcester and see JimWood 03/27/15 10:03:22 AM
#1038   PHHT nice try... Show me where they said The GidDy uP Kid 03/27/15 09:15:26 AM
#1037   They are still out of business! JimWood 03/27/15 07:56:43 AM
#1036   Innovative technology for the removal of ammonia (NH3) The GidDy uP Kid 03/26/15 04:44:19 PM
#1035   Product recovery system Services in Puerto Rico The GidDy uP Kid 03/26/15 03:46:05 PM
#1034   March 20, 2015 Wastewater You Can Drink The GidDy uP Kid 03/26/15 03:43:06 PM
#1033   Arthur Reynolds, Managing Director of Rexon Limited The GidDy uP Kid 03/26/15 03:42:03 PM
#1032   It doesn't mean they didn't either. rodeofan 03/18/15 03:05:50 PM
#1031   Do you care to answer Rodeofan's question about JimWood 03/18/15 03:05:14 PM
#1030   Yeap they cut his job last year (2014), The GidDy uP Kid 03/18/15 02:22:28 PM
#1029   Message boards can say anything too. rodeofan 03/18/15 01:42:50 PM
#1028   LOL LinkedIn pages can state anything... GidDy uP TMEN... The GidDy uP Kid 03/18/15 01:17:38 PM
#1026   Robert Seymour LinkedIn page states ThermoEnergy Corporation no Chuckle 03/18/15 12:41:53 PM
#1025   They are in business, they are cutting back The GidDy uP Kid 03/18/15 11:12:56 AM
#1024   The TMEN website is not up. They JimWood 03/18/15 10:40:18 AM
#1023   Those things shown are what TMEN was trying rodeofan 03/17/15 09:20:05 PM
#1022[/chart The GidDy uP Kid 03/17/15 02:48:01 PM
#1021   From November last year... The GidDy uP Kid 03/17/15 02:34:48 PM
#1020   wow TMEN website is up!!! :-) WANG 03/17/15 01:02:38 PM
#1019   What has been updated?... rodeofan 03/17/15 12:32:35 PM
#1018   Yeap, TMEN will GidDy uP... The GidDy uP Kid 03/17/15 11:49:19 AM
#1017   you noticed 2 bashers birthday? lol WANG 03/17/15 11:36:46 AM
#1016   As for the DOE tests at Georgia Tech, JimWood 03/17/15 09:58:45 AM
#1015   No, the Unity power Alliance is what I The GidDy uP Kid 03/17/15 09:57:55 AM
#1014   Nice try? You are looking at a JimWood 03/17/15 09:51:21 AM
#1013   Their website was updated this year (within past The GidDy uP Kid 03/17/15 09:47:08 AM
#1011   Do you guys realize the company is shut JimWood 03/16/15 05:58:23 PM
#1010   Say that 10 times fast LOL... Project ended The GidDy uP Kid 03/16/15 04:38:01 PM
#1009   "with successgful completion... rodeofan 03/16/15 04:32:05 PM
#1008   Great info GidDy uP THEGOOGLE5 03/16/15 03:21:14 PM
#1007   Project Duration: 10/01/2012 – 06/30/2014 The GidDy uP Kid 03/16/15 01:28:24 PM