Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Reactions of Chrome Tannery Sludge with Organic and Mineral Soils.
Author Wickliff, Carlos ; Volk, V. V. ; Tingey, David T. ; Griffis, William L. ; Trunk, Marita Y. ;
CORP Author Corvallis Environmental Research Lab., OR.
Year Published 1981
Report Number EPA-600/J-82-216;
Stock Number PB82-261371
Additional Subjects Sludge disposal ; Tanning materials ; Chromium ; Farm crops ; Fertilizers ; Soils ; Solid waste disposal ; Reprints ; Land disposal
Library Call Number Additional Info Location Last
NTIS  PB82-261371 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 16p
Chrome tannery sludge applied to agricultural land may have benefits in terms of added N for crop growth. An experiment was designed to compare tannery waste with commercial N fertilizer and investigate the potential of the waste as an alternative or supplement to commercial fertilizer. Soils with 38% and 7% organic C and N content of 1.3% and 0.2%, respectively, were amended with lime, commercial N fertilizer, or tannery sludge containing 1.6% Cr. A portion of the tannery waste was supplemented with additional Cr(+3) salt before adding to the soils. The amended soils were analyzed for total Cr, ammonium acetate extractable Cr, selected nutrient and trace element concentrations. The tannery sludge increased soil pH, total Cr and N, S, Ca, P, Mg, and Na concentrations. DTPA extractable Cr increased only when Cr(+3) salt was added, but soil pH decreased markedly. Electroconductivity exceeded values recommended for successful crop production. The acidic, high salt conditions complicated interpretation of the Cr(+3) salt addition results. Tannery sludge may be applied to agricultural land as a fertilizer amendment without adversely affecting soil chemical properties. The amount and frequency of application should be determined by (1) total and available N, (2) total salt content, (3) total and available Cr, and (4) soil organic matter.