Method for mobilization of hazardous metal ions in soils

Details Method for mobilization of hazardous metal ions in soils Method for mobilization of hazardous metal ions in soils

1993-05-25

1995-06-27

Dayoan, D. Glenn

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Selective differentiation

209173, B03B 100

Patent

active

054272475

ABSTRACT:
A microbial process for removing heavy metals such as bismuth, cadmium, lead, thorium, uranium and other transuranics from soils and sediments, utilizing indigenous, or isolates of indigenous, microorganisms and reducing agents, such as cysteine or sodium thioglycollate, or complexing agents such as the amino acid glycine, to effect the mobilization or release of the metals from the soil particles.

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patent: 4585559 (1986-04-01), DeVoe et al.
patent: 4597791 (1986-07-01), Siddall
patent: 5242598 (1993-09-01), Shannon et al.
patent: 5262064 (1993-11-01), El-Shall
patent: 5285972 (1994-02-01), Notebaart et al.

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