Patents by Inventor Ajay Vajpeyi

Ajay Vajpeyi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Heat integration of a cement manufacturing plant with an absorption based carbon dioxide capture process
    Patent number: 8864878
    Abstract: The present invention relates to methods and systems for improving the utilization of energy in a cement manufacturing plant comprising an absorption based contaminant, e.g. CO2, capture process using thermal regeneration of a liquid absorbent. The methods and systems of the present invention are characterized in that the thermal regeneration of the liquid absorbent is at least partially effected using a hot exhaust gas stream generated in the kiln of the cement manufacturing plant.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 21, 2014
    Assignee: ALSTOM Technology Ltd
    Inventors: Nareshkumar B. Handagama, Rasesh R. Kotdawala, Ajay Vajpeyi
  • HEAT INTEGRATION OF A CEMENT MANUFACTURING PLANT WITH AN ABSORPTION BASED CARBON DIOXIDE CAPTURE PROCESS
    Publication number: 20130074695
    Abstract: The present invention relates to methods and systems for improving the utilization of energy in a cement manufacturing plant comprising an absorption based contaminant, e.g. CO2, capture process using thermal regeneration of a liquid absorbent. The methods and systems of the present invention are characterized in that the thermal regeneration of the liquid absorbent is at least partially effected using a hot exhaust gas stream generated in the kiln of the cement manufacturing plant.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 28, 2013
    Inventors: Nareshkumar B. Handagama, Rasesh R. Kotdawala, Ajay Vajpeyi