Bäumler R, Weigand H, Gretzbach T, Marb C (2008)
Publication Language: English
Publication Type: Edited Volume
Publication year: 2008
Series: Geotechnical Special Publication American Society of Civil Engineers
City/Town: Reston
Book Volume: 177
Pages Range: 708-715
ISBN: 9780784409701
DOI: 10.1061/40970(309)89
Neutralization sludge from the lead crystal polishing process has a high leaching potential for a series of inorganic contaminants. Cost-effective treatment options would be desirable both for soil contaminated by this residue and for waste from current manufacturing. The feasibility of contaminant stabilization was studied in batch experiments using five phosphatic amendments. All additives reduced lead concentrations relative to the control presumably by formation of sparingly soluble lead phosphates. Arsenic and zinc concentrations were above the control in some treatments due to either competitive displacement or additive-borne secondary contamination. Both stabilization and mobilization were dose-dependent. Equilibration velocities were contaminant-specific and varied between treatments. Slowest kinetics and lowest stabilization efficiencies were observed for fluoride. Treatment optimization should therefore focus on combined amendments which address both lead and fluoride. Copyright ASCE 2008.
APA:
Bäumler, R., Weigand, H., Gretzbach, T., & Marb, C. (Eds.) (2008). Stabilization of inorganic contaminants on lead crystal polishing sludge. Reston.
MLA:
Bäumler, Rupert, et al, eds. Stabilization of inorganic contaminants on lead crystal polishing sludge. Reston, 2008.
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