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- W2023795635 abstract "Abstract Composting was utilized to remediate crude oil-impacted peat from a remote ombrogenous swamp in Sumatra, Indonesia. The source material was a nearly water-saturated (?~400%[m/m]) naturally acidic (pH=2.2±0.1) peat soil. The high prevailing moisture content and poor structure necessitated addition of a bulking agent to render the material workable and enable oxygen transfer. Pilot tests were undertaken to identify the optimal structural amendment type and mixing ratio. Predictive kinetic (rate) and endpoint ([TPH]<sub>f</sub>) equations were utilized to confer confidence that the technology would meet the schedule and performance constraints. A one-time composting site was designed and constructed at the location of a former soil borrow pit nearby. Common construction and oilfield equipment were sufficient to construct, turn, and water the windrows. Field test kits were utilized to ensure the maintenance of optimal bioremediation conditions within the windrows. Over a 20-week period, 2650m<sup>3</sup> of crude oil-impacted peat ([TPH]<sub>t0</sub>=10%±3%) was bioremediated in 15 dynamic windrows at a unit cost of US$79/m<sup>3</sup>. The amount of material composted (peat + bulking agent) totaled 4435m<sup>3</sup>. The primary cost driver was the expense of mobilizing and sustaining technical personnel at the remote location. Total Petroleum Hydrocarbon ([TPH]) removal averaged 81% (±11%), achieving a final [TPH] of 1.8% (±0.8%). Chromatographic analysis suggested extensive depletion of normal alkanes. The mature compost was beneficially utilized to re-vegetate the borrow pit, resulting in simultaneous elimination of separate remediation and reclamation liabilities." @default.
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- W2023795635 date "2004-03-29" @default.
- W2023795635 modified "2023-09-24" @default.
- W2023795635 title "Composting Bioremediation of Crude Oil-Impacted Peat at a Remote Location" @default.
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- W2023795635 doi "https://doi.org/10.2118/86797-ms" @default.
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