Reconfiguration of BWTF Current Status TOEM Committee RCAC Staff - PowerPoint PPT Presentation

Reconfiguration of BWTF Current Status TOEM Committee RCAC Staff Tom Kuckertz Harvey Consulting and Alyeska Pipeline Service Company 1.27.06 Board Meeting

BWTF Reconfiguration • Facility Modifications • PWSRCAC’s Participation in Planning • Alyeska Presentation • EPA • Comments and Questions 1.27.06 Board Meeting

Gravity Separation Tanks (1 st Stage) • Purge Dampers • New skimmers • Issues: – HAPs emissions – Fire from oil and wax buildup – Explosive vapors 1.27.06 Board Meeting

Dissolved Air Flotation (2 nd Stage) • Wier Dam • Oil Film • Induced gas flotation? • Issues: – Dam leakage – HAPs emissions – Burping exit line – More Oil to BTTs ? 1.27.06 Board Meeting

DAF Weirs and Splitter Box 1.27.06 Board Meeting

Raised Water Levels in Weir System Greatly Reduce Turbulence and HAPs Emissions 1.27.06 Board Meeting

Biological Treatment Tanks (3 rd Stage) • Instrumentation for process control • Recycle loop planned ? • Splitter box replaced ? • Issues: – HAPs emissions – Health of microbes – TROG in effluent – Increased BTEX loading 1.27.06 Board Meeting

East Biological Treatment Tank Increased BTEX Loading from Prior Steps in Process? 1.27.06 Board Meeting

Air Strippers (Rarely Used 4 th Stage) • Issues: – HAPs emissions – TROG in effluent 1.27.06 Board Meeting

Oil Recovery (80s Tanks) • RC tanks to replace (36,000 bbl each) 80s Tanks – 2 each – 2,500 bbl each – Internal floating roofs – Better 90s skimming (strainers, macerators, skimmers) • Issues: – HAPs Emissions – Fire and explosion 1.27.06 Board Meeting

One of the 80s Tanks 1.27.06 Board Meeting

PWSRCAC’s Participation in Alyeska’ Planning • Projects briefings every 2 months • 60% design review of RC Tanks (1/12/06) • BWTF Update by Alyeska Experts (12/19/05) 1.27.06 Board Meeting

Alyeska Presentation 1.27.06 Board Meeting

EPA 1.27.06 Board Meeting

Comments And Questions 1.27.06 Board Meeting

End of Presentation 1.27.06 Board Meeting