Title:
【発明の名称】スラッジの解乳化および液化の方法ならびに薬剤
Document Type and Number:
Japanese Patent JP2001517141
Kind Code:
A
Abstract:
The invention involves the demulsification and liquefaction of hydrocarbon based sludges. A demulsifier and a liquefaction agent and methods of using the same are disclosed. In a preferred embodiment, the demulsifier contains a salt of DDBSA, polypropylene glycol, and citrene. In a preferred embodiment, the liquefaction agent contains a glycol ether and sodium silicate. In another preferred embodiment, the liquefaction agent contains a glycol ether and citrene. In preferred practice, the sludge is treated with the liquefaction agent, circulated, treated with the demulsifier, and circulated further. An object of the invention is to provide a hydrocarbon based sludge that is sufficiently liquefied to be pumped and which is sufficiently demulsified to allow the waters, oils, and solids in the sludge to separate.
Inventors:
Campbell, Gale James
Application Number:
JP51961498A
Publication Date:
October 02, 2001
Filing Date:
October 20, 1997
Export Citation:
Assignee:
Texchem Group International LLC
International Classes:
B01D17/00; B01D17/05; B01D21/00; C09K23/42; C10G1/00; (IPC1-7): B01D17/05; B01F17/42
Attorney, Agent or Firm:
Hidehiko Okada (3 others)