Accession Number:

ADA008315

Title:

Oil/Water Separation with Noncellulosic Ultrafiltration Systems,

Descriptive Note:

Corporate Author:

NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER BETHESDA MD

Personal Author(s):

• Schatzberg,Paul
• Harris,L. R.
• Adema,C. M.
• Jackson,D. F.
• Kelly,C. M.

Report Date:

1975-04-01

Pagination or Media Count:

34.0

Abstract:

In accordance with current efforts for environmental protection, oily wastewater generated aboard ships will require treatment before discharge in waters of the contiguous zone. One of several processes being investigated for oily wastewater treatment is ultrafiltration, a pressure-driven membrane process. Satisfactory separation of oil from water has been achieved thus far, using cellulose-acetate-type membranes. These membranes exhibit hydrolytic instability and temperature sensitivity. Recently available noncellulosic membrane systems show potential of overcoming these limitations. Several different ultrafiltration membrane systems were experimentally examined for their capability to separate emulsified and suspended oil from water. The active separation surfaces were noncellulosic, being either inorganic or organic polymer types. Configurations studied were tubular, spiral-wound, hollow-fiber, and plate-and-frame. Ultrafiltration rates fluxes were observed to vary significantly among the different systems. Detergent cleaning of the membranes was a time-consuming procedure, with the detergent itself responsible for a decline in flux.

Descriptors:

• *MEMBRANES
• *ULTRAFILTRATION
• WASTE WATER
• DETERGENTS
• OILS
• WASTE TREATMENT
• REGENERATION(ENGINEERING)

Subject Categories:

• Industrial Chemistry and Chemical Processing
• Water Pollution and Control

Distribution Statement:

APPROVED FOR PUBLIC RELEASE