Resources Contact Us Home
Horizontal type coke ovens

Image Number 2 for United States Patent #4216060.

In a horizontal type coke oven, high temperature waste gas generated in a heating flue chamber and containing nitrogen oxides is discharged into a regenerator. There are provided nozzle openings for injecting ammonia or ammonia precursor to the high temperature waste gas at a position where the temperature of the waste gas is about C. so as to reduce the nitrogen oxides in the waste gas with the ammonia or ammonia precursor.

  Recently Added Patents
Loudspeaker grille
Apparatus and method for transferring a data signal propagated along a bidirectional communication path within a data processing apparatus
Digital display devices and digital projectors with expanded color gamut
Methods and apparatus for mitigating interference between co-located collaborating radios
Methods and devices for creating, compressing and searching binary tree
Powder pulverising device
Storing a location within metadata of visual media
  Randomly Featured Patents
Focus error detector and optical head using the same
Method of drilling bores
Method of manufacturing a head gimbal assembly
Combined kinescope grid and cathode video drive system
Optical images by quadrupole convolution
System operator independent server alerted synchronization system and methods
Methods for protecting dopaminergic neurons from stress and promoting proliferation and differentiation of oligodendrocyte progenitors by NRG-2
Attitude determination and alignment using electro-optical sensors and global navigation satellites
Labeler having intermittent drive mechanism
Operating theater luminaire including discharge lamps within a reflector