02178nam a2200253 a 4500 vtls000058550 KUKTEM 20251114204512.0 120305t2010 my a f m 001 0 eng|d THE0003905(Local) 201905161457 shah 201905161457 shah 201203050931 ida UMP TP156.D42 R76 2010 rs Bc. R. Sothilakshmi Rajanderan Demulsification of water-in-crude oil emulsions via microwave heating technology / R. Sothilakshmi Rajanderan Kuantan, Pahang : UMP, 2010 xiii, 82 p. : ill. (some col.) ; 30 cm. + 1 CD-ROM Project paper (Bachelor of Chemical Engineering) -- Universiti Malaysia Pahang - 2010 Bibliography : p. 71-73 The traditional ways of breaking emulsions using heat and chemicals are disadvantageous from both economic and environmental perspectives. In this study, an alternative and cost effective technology for high frequency energy separation of oil emulsions has developed. The potentials of microwave technology in demulsification of water-in-crude oil emulsions are investigated. After exposing the emulsion to the microwave electromagnetic (EM) field, molecular rotation, and ionic conduction due to the penetration of EM into the emulsion are responsible for the internal heating. In this study, microwave demulsification was applied in a 50-50 %, 30-70 % and 10-90 % water-in-oil emulsions with microwave exposure time varied from 20-200 sec. The temperature rise at a given location was almost horizontal (linear). The average rates of temperature increase of 50-50 %, 30-70 % and 10-90 % water-in-oil emulsion are 1.042, 0.582 and 0.218 oC/sec, respectively. The rate of temperature increase of emulsions decreased at higher temperature due to decreasing dielectric loss of water. Viscosity increases with amount of surfactant used, whereas, viscosity and shear stress decreases as temperature and rpm increased. Demulsification Microwave heating 0 0 0 1 10000 10000 2019-09-04 0 TP156.D42 R76 2010 rs Bc. 0000063108 2019-09-04 00:00:00 1 2019-09-04 PSM 0 0 0 1 10000 10000 2019-09-04 0 CD 5829 | TP156.D42 R76 2010 rs Bc. 0000063109 2019-09-04 00:00:00 1 2019-09-04 PSM VIRTUA40 3130 3136 VTLSSORT0080*0200*0400*0900*1000*2450*2600*3000*5020*5040*5200*6500*6501*9992