CROW{trademark} field demonstration with Bell Lumber and Pole. Topical report, March 1, 1995--March 31, 1996
Beginning in 1990, efforts were initiated to implement an in situ remediation project for the contaminated aquifer at the Bell Lumber and Pole Company (Bell Pole) Site in New Brighton, Minnesota. The remediation project involves the application of the Contained Recovery of Oily Waste (CROW) process, which consists of hot-water injection to displace and recover the non- aqueous phase liquids (NAPL). While reviewing the site evaluation information, it became apparent that better site characterization would enhance the outcome of the project. Additional coring indicated that the areal extent of the contaminated soils was approximately eight times greater than initially believed. Because of uncertainties, it was determined that a pilot test would assist in the design of the full-scale CROW process demonstration. Based on the results from the pilot test, conditions and procedures were developed for implementing a full-scale CROW process demonstration to remediate the remaining contaminated soil at the Bell Pole site. After considering several options, WRI recommended implementing a three-phase approach to remediating the contaminated area. Phase 1 will involve a 30-gpm CROW process demonstration to remediate the upgradient, one-third of the contaminated area, which is believed to contain the largest amount of free organic material. As of late March 1996, the Phase 1 CROW process system is operating. However, hot-water response has not yet been observed at the extraction well. Phase 1 is expected to continue for at least 18 months or until 20 pore volumes have been injected.
- Research Organization:
- Western Research Inst., Laramie, WY (United States)
- Sponsoring Organization:
- USDOE Assistant Secretary for Fossil Energy, Washington, DC (United States)
- DOE Contract Number:
- FC21-93MC30127
- OSTI ID:
- 634175
- Report Number(s):
- DOE/MC/30127-5789; ON: DE97005486; TRN: AHC2DT01%%186
- Resource Relation:
- Other Information: PBD: Oct 1997
- Country of Publication:
- United States
- Language:
- English
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