Journal article 1267 views
An overview of oil–water separation using gas flotation systems
Jayaprakash Saththasivam,
Kavithaa Loganathan,
Sarper Sarp 
Chemosphere, Volume: 144, Pages: 671 - 680
Swansea University Author:
Sarper Sarp
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DOI (Published version): 10.1016/j.chemosphere.2015.08.087
Abstract
Oil concentration levels in municipal waste water effluent streams are stringently regulated in most parts of the world. Apart from municipal waste, stricter oil/grease discharge limits are also enforced in oil and gas sectors as large volumes of produced water is being discharged to open ocean. One...
| Published in: | Chemosphere |
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| ISSN: | 0045-6535 |
| Published: |
2016
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| Online Access: |
Check full text
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa39647 |
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| Abstract: |
Oil concentration levels in municipal waste water effluent streams are stringently regulated in most parts of the world. Apart from municipal waste, stricter oil/grease discharge limits are also enforced in oil and gas sectors as large volumes of produced water is being discharged to open ocean. One of the feasible, practical and established methods to remove oil substances from waste water sources is by gas flotation. In this overview, gas flotation technologies, namely dissolved and induced flotation systems, are discussed. Physico-chemical interaction between oil–water-gas during flotation is also summarized. In addition to a brief review on design advancements in flotation systems, enhancement of flotation efficiency by using pre-treatment methods, particularly coagulation-flocculation, is also presented. |
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| Keywords: |
Gas flotation, Oil–water separation, Oil–water–gas interactions, Air flotation, Dissolved gas flotation, Induced gas flotation |
| College: |
Faculty of Science and Engineering |
| Start Page: |
671 |
| End Page: |
680 |