Treatability test of a stacked-tray air stripper for VOC in water

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Description

A common strategy for hydraulic containment and mass removal at VOC contaminated sites is `pump and treat (P&T)`. In P&T operations, contaminated ground water is pumped from wells, treated above ground, and discharged. Many P&T remediation systems at VOC sites rely on air stripping technology because VOCs are easily transferred to the vapor phase. In stacked-tray air strippers, contaminated water is aerated while it flows down through a series of trays. System operations at LLNL are strictly regulated by the California and federal Environmental Protection Agencies (Cal/EPA and EPA), the Bay Area Air Quality Management District (BAAQMD), the California Regional ... continued below

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10 p.

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Pico, T., LLNL April 1, 1998.

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Description

A common strategy for hydraulic containment and mass removal at VOC contaminated sites is `pump and treat (P&T)`. In P&T operations, contaminated ground water is pumped from wells, treated above ground, and discharged. Many P&T remediation systems at VOC sites rely on air stripping technology because VOCs are easily transferred to the vapor phase. In stacked-tray air strippers, contaminated water is aerated while it flows down through a series of trays. System operations at LLNL are strictly regulated by the California and federal Environmental Protection Agencies (Cal/EPA and EPA), the Bay Area Air Quality Management District (BAAQMD), the California Regional Water Quality Control Board (RWQCB) and the Department of Toxic Substances Control (DTSC). These agencies set discharge limits, require performance monitoring, and assess penalties for non-compliance. National laboratories are also subject to scrutiny by the public and other government agencies. This extensive oversight makes it necessary to accurately predict field treatment performance at new extraction locations to ensure compliance with all requirements prior to facility activation. This paper presents treatability test results for a stacked- tray air stripper conducted at LLNL and compares them to the vendor`s modeling software results.

Physical Description

10 p.

Notes

OSTI as DE98057872

Other: FDE: PDF; PL:

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  • Society of Women Engineers national convention and student conference, Houston, TX (United States), 18 Jun 1998

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  • Other: DE98057872
  • Report No.: UCRL-JC--128646
  • Report No.: CONF-980628--
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 305964
  • Archival Resource Key: ark:/67531/metadc674946

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • April 1, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 6, 2017, 6:28 p.m.

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Pico, T., LLNL. Treatability test of a stacked-tray air stripper for VOC in water, article, April 1, 1998; California. (digital.library.unt.edu/ark:/67531/metadc674946/: accessed April 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.