Volume 12, Number 4 (3-2014)                   TB 2014, 12(4): 15-28 | Back to browse issues page


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Hassanpour M, Jonidi Jafari A, Farzadkia M, Gholami M. Processing Of Produced Acidic Sludge From Used Motor Oil Recycling Industries With Additives to Polymer Bitumen. TB. 2014; 12 (4) :15-28
URL: http://tbj.ssu.ac.ir/article-1-1711-en.html

Ph.D EngineeringTarbiat Modares University of Medical Science, Tehran, Iran , a.jonidi@modares.ac.ir
Abstract:   (1391 Views)
Introduction:Acidic sludge is a by-product of used motor-oil reprocessing industries which is disposed of in the environment as hazardous waste material. The polymer bitumen under certain conditions is produced from mixing Bentonite soil, polymer styrene - butadiene – styrene(SBS) and acidic sludge.The aim of this study was retrieval of acidic sludge from polymer bitumen using additives such as bentonite soil and polymer SBS. Methods: In this experimental study, the effect of additives with different weight percentages on the performance parameters of bitumen was evaluated. At first, spilled oil phase into the acidic sludge was isolated with centrifugal concentrator. Acidic sludge and additives with a high shear mixer 2500 rpm were mixed together for 30 minutes at 180 °C. Finally, performance tests on acidic sludge and obtained products were performed.The obtained data were analyzed using Excel microsoft 2007. Results: The results indicated that the performance parameters such as softening point temperature, weight loss , penetration degree , PI , Frass breaking point and thermal sensitivity increased from 37 °C, 1/3 %, 230 dmm, -0.07854, -5 °C and 0.0451 to 54 °C, 1%, 130 dmm, 2/7094, -11 °C , 0.02721 respectively. Conclusion: The bentonite soil and SBS polymer in weight percentages of 2 and 4 respectively were the suitable additives in retrieval of acidic sludge from the polymer bitumen.
Full-Text [PDF 215 kb]   (387 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/10/10 | Accepted: 2015/10/10 | Published: 2015/10/10

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