UNCLASSIFIED 
SECURITY CLASSIFICATION OF THIS PAGE (When Data Entered) 
REPORT DOCUMENTATION PAGE 
1. REPORT NUMBER 2. GOVT ACCESSION NO.} 3. RECIPIENT'S CATALOG NUMBER 
TN-1331 
4. TITLE (and Subtitle) TYPE OF REPORT & PERIOD COVERED 
The Coanda-Effect Oil-Water Separator: A Feasibility Not final 
Study PERFORMING ORG. REPORT NUMBER 
7. AUTHOR(s) CONTRACT OR GRANT NUMBER(s) 
D. Pal 
9. PERFORMING ORGANIZATION NAME AND ADDRESS 10. PROGRAM ELEMENT, PROJECT, TASK 
CIVIL ENGINEERING LABORATORY Sas iu getimiai 
Naval Construction Battalion Center ZF61-512-001-058 
» CONTROLLING OFFICE NAME AND ADDRESS 12. REPORT DATE 
February 1974 
13. NUMBER OF PAGES 
14. MONITORING AGENCY NAME & ADDRESS(if different from Controlling Office) 15. SECURITY CLASS. (of this report) 
Director of Navy Laboratories UNCLASSIFIED 
Washington, D.C. 20376 15a. DECLASSIFICATION/ DOWNGRADING 
SCHEDULE 
16. DISTRIBUTION STATEMENT (of this Report) 
Approved for public release; distribution unlimited. 
17. DISTRIBUTION STATEMENT (of the abstract entered in Block 20, if different from Report) 
18. SUPPLEMENTARY NOTES 
19. KEY WORDS (Continue on reverse side if necessary and identify by block number) 
Oil-water separator Gravitation 
Coanda effect Coalescence 
Effluent Ultrafiltration 
Centrifugation Laminar flow 
20. ABSTRACT (Continue on reverse side if necessary and identify by block number) 
An experimental investigation which establishes the feasibility of using the Coanda- 
effect in developing an oil-water separator is described. Tests conducted on an experimental 
model with an oil-water mixture containing 6% oil showed that the oil content in the 
effluent can be reduced to less than 3%. A three-stage separator has produced effluent in 
the range of 1%. Conceptual designs of a practical separator are discussed. The space 
DD , rents 1473 EDITION OF 1 Nov 65 1S OBSOLETE 
WOM IM 
0 0301 0040224 
UNCLASSIFIED 
SECURITY CLASSIFICATION OF THIS PAGE (When Data Entered) 
