Title:
METHOD FOR PRODUCING WAXES AND GREASE BASE STOCKS THROUGH CATALYTIC DEPOLYMERISATION OF WASTE PLASTICS
Document Type and Number:
WIPO Patent Application WO/2012/007833
Kind Code:
A4
Abstract:
A process of depolymerization of mixed polyethylene waste is disclosed. In one embodiment, in a process for converting mixed polyethylene waste to make waxes and grease base stocks through catalytic depolymerization, the mixed polyethylene waste is preheated to form a molten mixed polyethylene waste. Then depolymerization reaction of the molten mixed polyethylene waste is started. The depolymerization reaction uses a catalyst in a high pressure reactor with heaters at a desired temperature. The catalyst is disposed on a stirring blade. Progression of depolymerization reaction of the molten mixed polyethylene waste is allowed to continue until a pressure in the high pressure reactor reaches a desired value. The heaters are turned off and depolymerization reaction of the molten mixed polyethylene waste is stopped upon the pressure in the reactor reaching desired value. The mixed polyethylene waste is converted to waxes or grease base stocks.
Inventors:
KUMAR ANIL (IN)
KUMAR PUSHKAR (CA)
KUMAR PUSHKAR (CA)
Application Number:
PCT/IB2011/001642
Publication Date:
April 26, 2012
Filing Date:
July 14, 2011
Export Citation:
Assignee:
GREENMANTRA RECYCLING TECH LTD (CA)
KUMAR ANIL (IN)
KUMAR PUSHKAR (CA)
KUMAR ANIL (IN)
KUMAR PUSHKAR (CA)
International Classes:
C07C4/08; C08J11/04
Attorney, Agent or Firm:
NAMA, Prakash et al. (27th Cross 3rd Block,Jayanaga, 1 Bangalore Karnataka, IN)
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