Treatment of Oil Well Drill Cuttings Utilizing Different Binder Options
A lab-scale treatability experiment was conducted on oil well drill cuttings (waste generated during petroleum exploration) using two different binders (Portland Cement and Lime) as a Solidification and Stabilization S/S agent. Seven ratios for each binder to waste (Drill cuttings) have been separat...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
University of Zakho
2022-08-01
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| Series: | Science Journal of University of Zakho |
| Subjects: | |
| Online Access: | http://www.sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/945 |
| Summary: | A lab-scale treatability experiment was conducted on oil well drill cuttings (waste generated during petroleum exploration) using two different binders (Portland Cement and Lime) as a Solidification and Stabilization S/S agent. Seven ratios for each binder to waste (Drill cuttings) have been separately prepared (0.25:10, 0.5:10, 1:10, 2:10, 3:10, 4:10, 5:10) in which effects for each ratio and curing time (90 days) have been investigated on pH, chloride, and leachate for heavy metals (Ba, Pb, Cd, Ag, and Cr) through Toxicity Characteristic Leaching Procedure (TCLP). Results presented that the leaching of heavy metals (Ba, Cd, Cr, and Ag) was under the US EPA TCLP limit for all ratios with both binders. However, the Pb for the ratios of 0.25:10, 0.5:10, 2:10, and 3:10 for the cement-treated drill cuttings and 0.25:10 and 0.5:10 for the lime-treated drill cuttings have exceeded the proposed limit by the US EPA TCLP limit. Chloride also failed to meet the Nigerian chloride limit for drill cutting with the ratios 0.25:10, 0.5:10, 1:10, and 2:10 for both binders; meanwhile, the chloride concentrations were under the same limit within the ratios 3:10, 4:10, and 5:10. The overall results indicated that the binder options had affected the S/S product. Furthermore, the ratios of 1:10 and 2:10 had better performance considering the weight of the binders used for both options. The ratios of 4:10 and 5:10 had also performed well, but due to the significant quantities of the binders used, these ratios will not be considered economically feasible. The present investigation demonstrated that both binders could be used and relied on as an S/S agent aiming at treating drill cuttings.
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| ISSN: | 2663-628X 2663-6298 |