Bioreactor Systems for Treating Perchlorate-Contaminated Water

ISBN-13: 9781843398899 / Angielski / Miękka / 2005 / 320 str.

B. Logan; B. Min; K. Kim

Opis

The objective of the project was to develop in the laboratory, and test in the field, a biological water treatment process for treating perchlorate-contaminated water. Bench- scale experiments were conducted on three processes: a packed bed reactor amended with soluble substrates (acetate); a hydrogen gas fed four-phase unsaturated trickle-type packed column; and a membrane-immobilized biofilm reactor. Based on these tests, one reactor system, an acetate-fed packed bed reactor (PSU-O4 system), was selected for further testing in pilot-plant tests at the Texas Street well field in Redlands, California.All three systems successfully removed perchlorate at rates sufficient to achieve an acceptable level of perchlorate removal for subsequent treatment for potable use. Pilot- scale tests at the Redlands site in California showed that perchlorate could be removed to non-detectable levels (

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