Title:
カルボン酸のエステルを使用して炭化水素供給原料から金属を除去する方法
Document Type and Number:
Japanese Patent JP5449195
Kind Code:
B2
Abstract:
Method of removing metals from hydrocarbon feedstock using esters of carboxylic acids, and additives for the same, are provided, wherein hydrocarbon stream including crude oil containing metals and salts thereof, wherein metal is calcium and its salt is calcium naphthenate, is mixed with an effective metal-removing-amount of an aqueous extraction-solution of non-precipitating and non-fouling additive comprising a chemical compound selected from a group consisting of methyl or ethyl or propyl or isopropyl mono- and/or di-esters of any one of the carboxylic acids selected from the groups consisting of maleic acid, maleic anhydride, and fumaric acid, or an appropriate combination of said esters, or an appropriate combination of any of said esters with any of said carboxylic acids to form a hydrocarbonous phase and an aqueous phase containing the metal ions; and separating aqueous phase.
Inventors:
Mahesh, Sabramaniyam
Application Number:
JP2010543631A
Publication Date:
March 19, 2014
Filing Date:
January 23, 2009
Export Citation:
Assignee:
Dorf Ketal Chemicals(i) Private Limited
International Classes:
C10G17/04; C10G31/08
Domestic Patent References:
| JP2005537351A | ||||
| JP1315488A | ||||
| JP2007514797A |
Foreign References:
| WO2007086661A1 | ||||
| WO2008007847A1 |
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Shinsuke Onuki
Tadashige Ito