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Biological Treatment Bench Results• Individual source waters tested in enrichmentcolumns – aerated, fed N and P, pH adjusted• COD removal efficiency for one source was90%, considerably lower for the other two• Difference is attributed to secondaryrecovery techniques• Based on influent blend, a 50% CODremoval efficiency is predicted
Biological Treatment Bench Results• Flow-through bioreactors used primarily tooptimize hydraulic retention time (HRT)• Using DAF treated water as biotreatmentfeed, HRT was optimized at 18 hours• COD “endpoint” of ~250 mg/L was reachedregardless of COD influent concentration
Page 1 and 2: TREATMENT OF OILFIELD PRODUCEDWATER
Page 3 and 4: Regulatory Framework• Purpose is
Page 5 and 6: Current Treatment SystemWater from
Page 7 and 8: Project Background• Original plan
Page 9 and 10: Treatment Goals• Consideration of
Page 11 and 12: Treatment Overview - Secondary Stre
Page 13 and 14: Pipeline Route for Nearshore Discha
Page 15 and 16: Bench Testing• Blended influent a
Page 17 and 18: DAF Bench Testing Results• 7 batc
Page 19: Bench Testing for Biological Treatm
Page 23 and 24: Supplemental Treatment for COD Redu
Page 25 and 26: Now what??• Literature research
Page 27 and 28: Literature Research• COD in treat
Page 29 and 30: Literature Research Impact• Unit
Page 31: Thank you!Questions?Golder Associat

treatment of oilfield produced water for industrial reuse - WateReuse ...

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