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
Low-staining room temperature curable coating composition
Thin film transistor and flat panel display device including the same
Quinazoline compounds and their use in perfume compositions
System for controlled release of an active principle and method for preparation
Telephone relaying apparatus, telephone relaying method, and program
Insulin derivative
Method for measuring and improving organization effectiveness
  Randomly Featured Patents
Method and apparatus for locating and isolating a fault within a token ring network
Process to convert propane into ethylene propene and C.sub.4 olefins
Image forming apparatus
Method and arrangement for signalizing a deactivation of a driver assistance system
System for extracting contaminants and hydrocarbons from cuttings waste in oil well drilling
Modular wall furniture system
Diagnostic tool for sensing oxygen sensor heater operation
OFDM-lite architecture for HomePlug
Circuit and method for generating estimated feedback for the controller of a slave power module in a master/slave paralleling scheme
Method and apparatus for detecting and resolving circularflow paths in graphical programming systems