Universiti Teknologi Malaysia Institutional Repository

Environmental radioactivity level from the incineration of oil-sludge

Ibrahim, Noorddin and Yusof, Mohamed R. and Siphon, Mohamad (2009) Environmental radioactivity level from the incineration of oil-sludge. Fresenius Environmental Bulletin , 18 (6). pp. 1025-1028. ISSN 1018-4619

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Abstract

Naturally occurring radioactive materials (NORM) are found to have high concentration in oil sludge, and special care is required before disposing them. In this study, oil sludge from two oil terminals was incinerated and their environmental radioactivities were monitored. Thermolumi- nescence dosimeters (TLDs) were used to measure accumulated external radiation. The maximum equivalent dose recorded during incineration was 317 µSv/month. The specific activities of Ra-226 in slag, air particulate, discharge water and fly-ash were 34.4 Bq/kg, 4.5 Bq/kg, 4.3 Bq/kg and 0.0053 Bq/m3, respectively. Our results show that incinerating oil sludge is relatively safe to the environment.

Item Type:Article
Uncontrolled Keywords:incineration, oil sludge, radioactivity
Subjects:G Geography. Anthropology. Recreation > GE Environmental Sciences
T Technology > TP Chemical technology
Divisions:Chemical and Natural Resources Engineering (Formerly known)
ID Code:14110
Deposited By: Ms Zalinda Shuratman
Deposited On:18 Aug 2011 09:35
Last Modified:18 Aug 2011 09:35

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