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Journal of Particle Science and Technology، جلد ۱۰، شماره ۱، صفحات ۱-۸
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عنوان انگلیسی Investigating the effects of elutriation in upgrading middle-grade barite ore from Obubra, Cross River State, Nigeria for drilling mud applications
چکیده انگلیسی مقاله Obubra’s local government, located in the Cross River State of Nigeria, possesses commercial quantities of barite ores. These ore possess various forms of processing challenges. This paper presents research carried out to evaluate the efficacy of desliming to improve the physical properties of Obubra barite ore for its applications in the oil and gas industries. The desliming was carried out via elutriation using a floccumatic machine. The desliming parameters used in the experimental design were selected based on related literature; the factors and levels used included flowrates of 25.2 and 42.50 ml.s-1 and agitation times of 20 and 30 min. The physical and chemical responses were evaluated after each operation to evaluate the efficacy of each processing step. The optimal specific gravity after desliming was 4.18 g.cm-3, up from the raw value of 4.14 g.cm-3; the fineness or grain size remained the same at 75 µm; the moisture content was within the values of 0.01-0.02 % before and after the desliming process; while the pH value decreased to 7.06, from the raw value of 7.3. These results showed that Obubra barite ore can be upgraded by elutriation to meet the required American Petroleum Industry (API) specifications for use in the formulation of drilling mud.
کلیدواژه‌های انگلیسی مقاله Barite ore, desliming, flowrate, agitation speed, Obubra
نویسندگان مقاله Utibe Benedict Edem |
Department of Chemical Engineering, University of Port Harcourt, Port Harcourt, Nigeria

Oji Akuma |
Department of Chemical Engineering, University of Port Harcourt, Port Harcourt, Nigeria

Ayoade Kuye |
Department of Chemical Engineering, University of Port Harcourt, Port Harcourt, Nigeria

Joel Ogbonna Friday |
Department of Chemical Engineering, University of Port Harcourt, Port Harcourt, Nigeria

نشانی اینترنتی https://jpst.irost.ir/article_1394_bb8efcb533fd136dda68c8d952c60cad.pdf
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