Method of dewatering oil mud

Details Method of dewatering oil mud Method of dewatering oil mud

1989-08-11

1991-02-05

Fisher, Richard V.

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

208 13, 210787, 210790, 494 37, 494 66, 494901, B04B 510

Patent

active

049902652

ABSTRACT:
A method of dewatering oil mud that occurs on board ships during the processing of heavy, diesel, and lubricating oils and consists of a mixture of water and mineral-oil residue that is intercepted on board and subjected to centrifuging. The liquids contaminated with mineral-oil residue that occur on board are collected in two separate containers. The liquids that contain heavy oil and diesel oil are conveyed to the first container and the liquids that contain lubricating oil are conveyed to the second container along with the water that occurs when the oils are processed. The contents of the containers are then conveyed sequentially to one and the same centrifuging device to concentrate the solids. The resulting liquid phases are subjected to separate further processing with on-board equipment, allowing complete disposal or further use of the liquids.

REFERENCES:
patent: 3572582 (1971-03-01), Seielstad
patent: 4411645 (1983-10-01), Tenthoff
patent: 4415430 (1983-11-01), York
patent: 4525155 (1985-06-01), Nilsson
patent: 4689157 (1987-08-01), Tenthoff
patent: 4755165 (1988-07-01), Gunnewig
patent: 4778443 (1988-10-01), Sands et al.
patent: 4784751 (1988-11-01), McGehee

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