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Adsorption of heavy metal ions by xanthated sawdust.

Authors
Flynn-CM Jr.; Carnahan-TG; Lindstrom-RE
Source
Reno, NV: U.S. Department of the Interior, Bureau of Mines, RI 8427, 1980 Jan; :1-12
Link
NIOSHTIC No.
10006845
Abstract
The Bureau of Mines prepared and investigated xanthated sawdust adsorbents to determine their effectiveness in removing heavy metal ions from dilute aqueous solutions, mine-drainage waters, and brines. Stripping of the metal values from the metal-laden adsorbent was also investigated. The treated sawdusts had an adsorption capacity of 0.3 to 0.4 Meq/g dry adsorbent for mn, CO, ni, cu, ag, zn, cd, hg, or pb from feed solutions with ph 5 to 6. The feed solutions tested included mine-drainage waters and geothermal brine. Effluent metal concentrations as low as 0.05 To 0.1 Mg/l were obtained at effluent ph values of 6 to 9. The order of affinity of metals for the sawdust adsorbent is na<
Publication Date
19800101
Document Type
IH; Report of Investigations
Fiscal Year
1980
NTIS Accession No.
NTIS Price
Identifying No.
RI-8427
NIOSH Division
RERC
Source Name
Reno, NV: U.S. Department of the Interior, Bureau of Mines, RI 8427
State
NV
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