C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
196/68, 31/69, 2
C09K 3/22 (2006.01) B01D 17/04 (2006.01) B01D 43/00 (2006.01) C10G 1/00 (2006.01) C10G 3/00 (2006.01) C10G 31/00 (2006.01) C10G 31/08 (2006.01) C10G 33/04 (2006.01) C11D 1/74 (2006.01)
Patent
CA 1188499
ABSTRACT OF THE DISCLOSURE Finely divided particulate solids are removed from unconventional whole heavy petroleum crudes, heavy petroleum crude fractions, and residua, syncrudes and syncrude fractions, particularly shale oil and shale oil fractions, by the use of novel surface active agents characterized as an admixture of (I) a surfactant com- prised of (A) an ethoxylated or propoxylated ester, or ester constituted or a 1,4-sorbitan skeleton to which at least one and up to three ethoxy, propoxy, or mixed ethoxy-propoxy, and at least one and up to three fatty acid substituents are attached through oxygen to the 2,3,5 and 6 carbon atoms; and preferably this compound (A), or mixture thereof, is further admixed with (B) an organo sulfonic acid and more preferably (I) is admixed with (II) a demulsifier which is characterized as an ethoxylated, propoxylated, or mixed ethoxylated/pro- poxylated phenol formaldehyde resin substituted at a position para to said ethoxy and/or propoxy group, or groups, with a hydrocarbyl group.
409468
Merchant Philip Jr.
Smith Dean L. Jr.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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