ASTM_D_5050_-_08_2015.pdf

Designation:D505008(Reapproved 2015)Standard Guide forCommercial Use of Lime Kiln Dusts and Portland CementKiln Dusts1This standard is issued under the fixed designation D5050;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide is intended to evaluate and describe lime kilndusts and Portland cement kiln dusts for uses in commercialapplications.This guide is not intended to cover uses for limeor Portland cement.1.2 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C25 Test Methods for Chemical Analysis of Limestone,Quicklime,and Hydrated LimeC109/C109M Test Method for Compressive Strength ofHydraulic Cement Mortars(Using 2-in.or 50-mm CubeSpecimens)C110 Test Methods for Physical Testing of Quicklime,Hydrated Lime,and LimestoneC151 Test Method for Autoclave Expansion of HydraulicCementC184 Test Method for Fineness of Hydraulic Cement by the150-m(No.100)and 75-m(No.200)Sieves(With-drawn 2002)3C187 Test Method for Amount of Water Required for Nor-mal Consistency of Hydraulic Cement PasteC266 Test Method for Time of Setting of Hydraulic-CementPaste by Gillmore NeedlesC305 Practice for Mechanical Mixing of Hydraulic CementPastes and Mortars of Plastic ConsistencyC400 Test Methods for Quicklime and Hydrated Lime forNeutralization of Waste AcidC593 Specification for Fly Ash and Other Pozzolans for UseWith Lime for Soil StabilizationC602 Specification for Agricultural Liming MaterialsC911 Specification for Quicklime,Hydrated Lime,andLimestone for Selected Chemical and Industrial UsesC1529 Specification for Quicklime,Hydrated Lime,andLimestone for Environmental UsesD558 Test Methods for Moisture-Density(Unit Weight)Relations of Soil-Cement MixturesD1632 Practice for Making and Curing Soil-Cement Com-pression and Flexure Test Specimens in the LaboratoryD1633 Test Methods for Compressive Strength of MoldedSoil-Cement CylindersD3155 Test Method for Lime Content of Uncured Soil-LimeMixturesD3551 Practice for Laboratory Preparation of Soil-LimeMixtures Using Mechanical MixerD6249 Guide forAlkaline Stabilization of Wastewater Treat-ment Plant ResidualsD3668 Test Method for Bearing Ratio for Laboratory Com-pacted Soil-Lime Mixtures(Withdrawn 1997)3D4318 Test Methods for Liquid Limit,Plastic Limit,andPlasticity Index of Soils2.2 Code of Federal Regulations40 CFR Part 268Appendix 1 Toxicity Characteristics Leach-ing Procedure440 CFR Part 268.43(a)Treatment Standards Expressed asWaste Concentrations(reserved)43.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 lime kiln dust:3.1.1.1 Lime kiln dust is the finely-divided particulatematter carried from a lime kiln by the exhaust gases.3.1.1.2 The composition of the dust is dependent upon thestone being processed,the processing equipment in use,andthe fuel being used.Concentrations of combustion by-products,1This guide is under the jurisdiction of ASTM Committee D34 on WasteManagement and is the direct responsibility of Subcommittee D34.03 on Treatment,Recovery and Reuse.Current edition approved Sept.1,2015.Published September 2015.Originallyapproved in 1990.Last previous edition approved in 2008 as D5050 08.DOI:10.1520/D5050-08R15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Code of Federal Regulations available from the Superintendent of Documents,United States Government Printing Office,Washington,DC 20402.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 including sulfur compounds usually exceed that of the primaryquicklime product.Chemical and physical properties are alsodependent upon these same factors and should be evaluated forthe use intended.3.1.2 portland cement kiln dust:3.1.2.1 Cement kiln dust is the finely-divided particulatematter carried from a cement kiln by the exhaust gases.3.1.2.2 The dust is composed of variable mixtures of cal-cined and uncalcined feed materials,fine cement-clinkerformed during the high temperature processing,fuel combus-tion by-products,and condensed alkali compounds.Alkalismay be concentrated in the dust through volatilization in thehigh temperature zones within the kiln then condensed in theexhaust gases as they pass through the dust collection system.The relative quant