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Title: Method for removal of explosives from aqueous solution using suspended plant cells

Patent ·
OSTI ID:869199
 [1];  [2]
  1. Los Alamos, NM
  2. Giralang, AU
+ Show Author Affiliations

The use of plant suspension cultures to remove ionic metallic species and TNT-based explosives and their oxidation products from aqueous solution is described. Several plant strains were investigated including D. innoxia, Citrus citrus, and Black Mexican Sweet Corn. All showed significant ability to remove metal ions. Ions removed to sub-ppm levels include barium, iron, and plutonium. D. innoxia cells growing in media containing weapons effluent contaminated with Ba.sup.2+ also remove TNT, other explosives and oxidation products thereof from solution. The use of dead, dehydrated cells was also found to be of use in treating waste directly.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
DOE Contract Number:
W-7405-ENG-36
Assignee:
Regents of University of CA (Los Alamos, NM); Los Alamos National Laboratory (Los Alamos, NM)
Patent Number(s):
US 5296146
OSTI ID:
869199
Country of Publication:
United States
Language:
English

References (4)

Poly(gamma-glutamylcysteinyl)glycine: its role in cadmium resistance in plant cells. journal October 1987
Metabolism of 2-chlorobiphenyl by suspension cultures of Paul's Scarlet rose journal December 1987
Selection, Isolation, and Characterization of Cadmium-Resistant Datura innoxia Suspension Cultures journal August 1984
The Physiology of Metal Toxicity in Plants journal June 1978

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method
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explosives
aqueous
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suspended
plant
cells
suspension
cultures
remove
ionic
metallic
species
tnt-based
oxidation
products
described
strains
investigated
including
innoxia
citrus
black
mexican
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significant
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metal
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sub-ppm
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barium
iron
plutonium
growing
media
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effluent
contaminated
tnt
dead
dehydrated
found
treating
waste
directly
oxidation products
remove metal
aqueous solution
plant cell
plant cells
treating waste
metallic species
oxidation product
media containing
remove ionic
suspension cultures
suspension culture
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tnt-based explosives
plant suspension
cells grow
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