ASTM D5050-96(2002)

Standard Guide for Commercial Use of Lime Kiln Dusts and Portland Cement Kiln Dusts

SCOPE
1.1 This guide is intended to evaluate and describe lime kiln dusts and Portland cement kiln dusts for uses in commercial applications. This guide is not intended to cover uses for lime or Portland cement.
1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 09-Oct-1996
• ICS: 91.100.10 - Cement. Gypsum. Lime. Mortar
• Technical Committee: D34 - Waste Management
• Drafting Committee: D34.03 - Treatment, Recovery and Reuse

Relations

• Replaces: ASTM D5050-96 - Standard Guide for Commercial Use of Lime Kiln Dusts and Portland Cement Kiln Dusts
• Effective Date: 10-Oct-1996
• Replaced By: ASTM D5050-96(2007) - Standard Guide for Commercial Use of Lime Kiln Dusts and Portland Cement Kiln Dusts
• Effective Date: 01-Feb-2007

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D5050–96 (Reapproved 2002)
Standard Guide for
Commercial Use of Lime Kiln Dusts and Portland Cement
Kiln Dusts
This standard is issued under the fixed designation D 5050; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope C 602 Specification for Agricultural Liming Materials
C911 Specification for Quicklime, Hydrated Lime, and
1.1 This guide is intended to evaluate and describe lime kiln
Limestone for Chemical Uses
dusts and Portland cement kiln dusts for uses in commercial
D 558 Test Method for Moisture-Density Relations of Soil-
applications. This guide is not intended to cover uses for lime
Content Mixtures
or Portland cement.
D 1632 Practice for Making and Curing Soil-Cement Com-
1.2 This standard does not purport to address all of the
pression and Flexure Test Specimens in the Laboratory
safety concerns, if any, associated with its use. It is the
D 1633 Test Method for Compressive Strength of Molded
responsibility of the user of this standard to establish appro-
Soil-Cement Cylinders
priate safety and health practices and determine the applica-
D 3155 Test Method for Lime Content of Uncured Soil-
bility of regulatory limitations prior to use.
Lime Mixtures
2. Referenced Documents D 3551 Practice for Laboratory Preparation of Soil-Lime
Mixtures Using a Mechanical Mixer
2.1 ASTM Standards:
D 3668 Test Method for Bearing Ratio for Laboratory
C25 Test Methods for Chemical Analysis of Limestone,
Compacted Soil-Lime Mixtures
Quicklime, and Hydrated Lime
D 4318 Test Method for Liquid Limit, Plastic Limit, and
C 109 Test Method for Comprehensive Strength of Hydrau-
Plasticity Index of Soils
lic Cement Mortars (Using 2-in. or 50-mm Cube Speci-
2.2 Code of Federal Regulations
mens)
40 CFR Part 268 Appendix 1 Toxicity Characteristics
C110 Test Methods for Physical Testing of Quicklime,
Leaching Procedure
Hydrated Lime, and Limestone
40 CFR Part 268.43(a) Treatment Standards Expressed as
C 151 Test Method for Autoclave Expansion of Portland
Waste Concentrations (reserved)
Cement
C 184 Test Method for Fineness of Hydraulic Cement by
3. Terminology
the 150-µm (No. 100) and 75-µm (No. 200) Sieves
3.1 Definitions of Terms Specific to This Standard:
C 187 Test Method for Normal Consistency of Hydraulic
3.1.1 lime kiln dust:
Cement
3.1.1.1 Lime kiln dust is the finely-divided particulate
C 266 Test Method for Time of Setting of Hydraulic Ce-
matter carried from a lime kiln by the exhaust gases.
ment Paste by Gillmore Needles
3.1.1.2 The composition of the dust is dependent upon the
C 305 PracticeforMechanicalMixingofHydraulicCement
stone being processed, the processing equipment in use, and
Pastes and Mortars of Plastic Consistency
thefuelbeingused.Concentrationsofcombustionby-products,
C 400 Test Methods for Testing Quicklime and Hydrated
including sulfur compounds usually exceed that of the primary
Lime for Neutralization of Waste Acid
quicklime product. Chemical and physical properties are also
C 593 Specification for Fly Ash and Other Pozzolans for
dependent upon these same factors and should be evaluated for
Use With Lime
the use intended.
3.1.2 portland cement kiln dust:
3.1.2.1 Cement kiln dust is the finely-divided particulate
This guide is under the jurisdiction of ASTM Committee D34 on Waste
matter carried from a cement kiln by the exhaust gases.
Management and is the direct responsibility of Subcommittee D34.03.03 on
Industrial Recovery and Reuse.
3.1.2.2 The dust is composed of variable mixtures of cal-
Current edition approved Oct. 10, 1996. Published December 1996. Originally
cined and uncalcined feed materials, fine cement-clinker
published as D 5050 – 90. Last previous edition D 5050 – 90.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
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D5050–96 (2002)
formed during the high temperature processing, fuel combus- 5.1.4 Solidification Purposes—For dewatering waste mate-
tion by-products, and condensed alkali compounds. Alkalis rials to provide structural and handling properties, for eco-
may be concentrated in the dust through volatilization in the nomic and environmental use, and disposal.
high temperature zones within the kiln then condensed in the 5.1.5 pH Control Purposes—For use with domestic waste-
exhaust gases as they pass through the dust collection system.
water sludges to significantly reduce pathogens and to enable
The relative quantity of the aforementioned components of domestic wastewater sludges to be safely and economically
Portland cement kiln dust may change from one source to applied to the land.
another because of raw material, fuel, and process variations. 5.1.6 Flocculation Purposes—For use to separate solids
Some cement kiln dusts may contain large quantities of
from liquids and in multi-purpose processes to treat, dispose,
calcined food materials, alkalies and sulfur compounds, or and utilize industrial, municipal, and utility wastes.
both, while others may be primarily composed of uncalcined
5.1.7 Agricultural Purposes—A soil conditioner and nutri-
raw food. Many Portland cement kiln dusts are easily com-
ent source to meet the needs of the agricultural industry.
pactedandreactivewithsmallquantitiesofwatertoformalow
strength cementitious mass; some may show only mild reac-
6. Determination of Materials Characteristics
tivity and be
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