Resources Contact Us Home
Process for the production of ethylene

Image Number 3 for United States Patent #4143521.

A process for the production of ethylene wherein low-level waste heat released during ethylene production is utilized in an ammonia absorption refrigeration system to generate a refrigerant, which refrigerant is used for cooling various process streams thereby reducing the energy requirements of the process.

  Recently Added Patents
Method and device for determining a set of frequencies that can be used for transmitting information between radio transceivers of a network operating with frequency hopping
Sliding-type portable communication device
Semiconductor devices and methods for changing operating characteristics and semiconductor systems including the same
Electrowetting display devices with a reflective plate structure
Telecommunications system and method
Method of controlling mechanical mechanisms of optical storage apparatus for peak power/current reduction, and related optical storage apparatus and machine-readable medium
Method for providing interactive site map
  Randomly Featured Patents
Optical transmission line
Radio frequency monitor for semiconductor process control
Lateral RF MOS device with improved drain structure
Receiving indication apparatus for e-mail
Pull-on disposable wearing article
Pinch pump having selectable pressure plate sizes and a flexible tube with attachment ribs
Apparatus for insulating relatively flexible conductors
Method of converting scanner signals into colorimetric signals