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Patent Searching and Data


Title:
ADDITIVE AND METHOD FOR REMOVAL OF CALCIUM FROM CRUDE OILS CONTAINING CALCIUM NAPHTHENATE
Document Type and Number:
WIPO Patent Application WO/2013/024489
Kind Code:
A8
Abstract:
There is provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate at low pH as well as at high pH varying from 5 to 11, preferably from 6 to 11, more preferably from 7 to 11, wherein the additive is glyoxal and said pH is of the wash water for crude oil processing systems. There is also provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate, wherein crude oil is treated with wash water containing alkaline medium selected from the group comprising sodium hydroxide (NaOH or caustic), ammonia or amine compound, or mixture thereof, and wherein pH of the wash water or of the processing mixture in the desalter varies from 5 to 11, preferably from 6 to 11, preferably from 7 to 11, characterized in that the additive is glyoxal and the crude oil or its blend is treated with glyoxal.

Inventors:
SUBRAMANIYAM, Mahesh (Dorf Ketal Tower, D'Monte Street Orlem, Malad ,Mumbai 4, Maharashtra, 40006, IN)
Application Number:
IN2012/000453
Publication Date:
January 30, 2014
Filing Date:
June 26, 2012
Export Citation:
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Assignee:
DORF KETAL CHEMICALS (INDIA) PRIVATE LIMITED (An Indian Company, Dorf Ketal Tower D'Monte Street,Orlem, Malad ,Mumbai 4, Maharashtra, 40006, IN)
SUBRAMANIYAM, Mahesh (Dorf Ketal Tower, D'Monte Street Orlem, Malad ,Mumbai 4, Maharashtra, 40006, IN)
International Classes:
C10G21/16; C07C47/127
Attorney, Agent or Firm:
MEHTA, Ramesh Kumar (Mehta & Mehta Associates, Mehta House B-474,Sushant Lok-I, Sector - 2, Gurgaon 2 NCR, 12200, IN)
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