Design of Oil-Ammonia Separator for Refrigeration Systems

R. Roshan*, S. Samant**, D. Joshi***, P. Ahire****, S. Pavithran*****
*,**** Associate Engineer, Eaton India Innovation Centre (EIIC), Pune, India.
** Graduate Engineer Trainee, Sunbeam Appliances, Maharashtra, India.
*** UG Graduate, Department of Mechanical Engineering, Vishwakarma Institute of Technology, Pune, India.
***** Fluid Consultant, Vishwakarma Institute of Technology, Pune, India.
Periodicity:May - July'2017


Oil is primarily used for lubricating compressors in a Refrigeration system. This results in an Oil-refrigerant mixture being formed which has poor heat transfer capacity and comparatively higher pressure drop. Oil separators are used to remove and filter out this oil from the mixture to improve the performance of the system. This oil is otherwise disposed off, resulting in severe economic and environmental hazards. The main objective of the present work is to design a compact and highly efficient Oil separator for Ammonia Refrigeration System. Various alternative designs of an Oil separator have been proposed. Weight, cost, strength, durability, and effectiveness of each design were considered independently, and a final decision to implement Vertical Demister type Oil Separator has been suggested. Even a small increase in separation efficiency would lead to considerable cost and energy savings.


Oil Separator, Refrigeration System, Wire Demister, Vessel Sizing.

How to Cite this Article?

Roshan, R., Samant, S., Joshi,D., Ahire, P., and Pavithran, S. (2017). Design of Oil-Ammonia Separator for Refrigeration Systems. i-manager’s Journal on Mechanical Engineering, 7(3), 40-45.


[1]. Altinbalik, M. T. & Isencik, S. (2016). Comparative Design and Cost Analysis of Cylindrical Storage Tanks with nd different head types by using COMPRESS, In Proc. 2 World Congress on Mechanical, Chemical and Material Engineering, Budapest, 111.1-111.8
[2]. Brunazzi, E. & Paglianti, A. (1998). Design of wire mesh mist eliminators. AIChE Journal, 44(3), 505-512.
[3]. Burkholz, A. (1989). Droplet Separation. VCH Publications.
[4]. Feng, J., Chang, Y., Peng, X., & Qu, Z. (2008). Investigation of the oil-gas separation in a horizontal separator for oil-injected compressor units. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 222(4), 403-412.
[5]. Finepac Structures. (2015). Mist Eliminator Design, Product Catalogue-Demister Pad.
[6]. Mahajani, V. V., Umarji, S. B. (2015). Joshi's Process th Equipment Design, 5 edition.
[7]. PSG College. (2012). Design Data: Data Book of Engineers. Kalaikathir Achchagam.
[8]. Shell. (2007). Gas/Liquid Separators – Type Selection and Design Rules. Design and Engineering Practice Manual.
[9]. Slettebø, E. S. (2009). Separation of Gas from Liquids in Viscous Systems (Master's Thesis, Institutt for energi-og prosessteknikk).
[10]. Uki, T., Sarda, S. T., & Mathew, T. (2012). Design of Gas- Liquid Separator for Complete Degasing. International Journal of Chemical Engineering and Applications, 3(6), 477.

Purchase Instant Access

Single Article

North Americas,UK,
Middle East,Europe
India Rest of world
Pdf 35 35 200 20
Online 35 35 200 15
Pdf & Online 35 35 400 25

If you have access to this article please login to view the article or kindly login to purchase the article
Options for accessing this content:
  • If you would like institutional access to this content, please recommend the title to your librarian.
    Library Recommendation Form
  • If you already have i-manager's user account: Login above and proceed to purchase the article.
  • New Users: Please register, then proceed to purchase the article.