Featured patents

Method for Processing Ash, and an Ash Processing Plant
US 08833278 B2, Sept. 16, 2014, Combustion product, Juhani Isaksson / Valmet Power Oy (Tampere, FI)
A method for processing ash, the method comprising:…

Energy and Steel Recovery System
US 08789480 B2, July 29, 2014, Means for liberating gas from solid fuel, Robert L. Kohnen et al. / Symbiotic Technology, LLC (Des Moines, US)
An energy recovery system for whole tires, which includes…

Method and Device for Controlling Bed Height of Fluidized Bed Gasification Furnace in Gasification Facility
US 08714095 B2, May 6, 2014, Fluidized bed of noncombustible particles, Toshiyuki Suda / IHI Corporation (Tokyo, JP)
A device for controlling a bed height of a fluidized bed gasification furnace…

Solid Fuel and Oxygen Combustion With Low NOx and Efficient Burnout
US 08707877 B2, April 29, 2014, Burning pulverized fuel, Remi Pierre Tsiava et al. / L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude (Paris, FR)
A method for combustion of a solid fuel with low NO x emissions…

Rotary Kilns for Alternative Fuels
US 08695515 B2, April 15, 2014, Rotary drum, Morten Boberg Larsen et al. / FLSmidth A/S (Valby, DK)
A plant comprising:…

Combustion System With Precombustor
US 08689710 B2, April 8, 2014, Powdered solid fuel, Aleksandar Georgi Slavejkov et al. / Air Products and Chemicals, Inc. (Allentown, US)
A precombustor comprising:…

Primary Oxidant Feed to Oxy-Fired Circulating Fluidized Bed (CFB)
US 08561557 B2, Oct. 22, 2013, Fluidized bed of noncombustible particles, David L. Kraft et al. / Babcock & Wilcox Power Generation Group, Inc. (Barberton, US)
A system for feeding a primary oxidant to an oxy-fired circulating fluidized bed…

Method and Apparatus of Controlling Flow Rate of Primary Recirculating Exhaust Gas in Oxyfuel Combustion Boiler
US 08550016 B2, Oct. 8, 2013, Of noncombustible fluid; e.g., air, etc., Shuuhei Terushita et al. / IHI Corporation (Tokyo, JP)
An apparatus of controlling a flow rate of a primary recirculating exhaust gas…

Oxy-Combustion Coal Fired Boiler and Method of Transitioning Between Air and Oxygen Firing
US 08453585 B2, June 4, 2013, Exhaust gas; e.g., pollution control, etc., Allan J. Zadiraka et al. / Babcock & Wilcox Power Generation Group, Inc. (Barberton, US)
A method of transitioning to oxy-combustion comprising:…

Tertiary Air Addition to Solid Waste-Fired Furnaces for NOx Control
US 08443739 B2, May 21, 2013, With Programmed or Cyclic Control Means, Mark L. White et al. / Covanta Energy Corporation (Fairfield, US)
A waste combustion system for reducing NOx emission, the system comprising:…

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