ASTM-C911 › Standard Specification for Quicklime, Hydrated Lime, and Limestone for Selected Chemical and Industrial Uses
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This specification covers lime and limestone products that are suitable for chemical and industrial uses such as in waste acid neutralization, agricultural liming, soil stabilization, asphalt, flue gas desulfurization, drinking water softening, waste and wastewater neutralization, and wastewater treatment plant residuals stabilization. The required chemical composition of quicklime, hydrated lime, and limestone for each selected end use are on the bases of the weight sample taken at the place of manufacture. Quicklime should be free of unslakable residues and should be capable of disintegrating in water to form suspensions of finely divided material.
Scope
1.1 This specification covers lime and limestone products suitable for the following chemical and industrial uses:
| Cooking rags |
| Sulfite pulp |
| Silica brick |
| Other water treatment uses |
| Calcium carbide |
| Grease |
| Calcium silicate products |
| Hypochlorite (bleach) |
The following uses are addressed in other ASTM standards:
| Use | Standard(s) |
| Neutralization of Waste Acid (Test Methods) | C400 |
| Agricultural Liming Materials | C602 |
| Soil Stabilization | C977 |
| Asphalt | C1097 |
| Flue Gas Desulfurization (Test Methods) | C1318 |
| Drinking Water Softening | C1529 |
| Waste and Wastewater Neutralization | C1529 |
| Wastewater Treatment Plant Residuals (Biosolids) Stabilization | C1529 and D6249 |
1.2 The type designations in Table 1 signify the following:
| Limestone, high-calcium—CL |
| Limestone, dolomitic—DL |
| Limestone, magnesian—ML |
| Quicklime, high-calcium—CQ |
| Quicklime, dolomitic—DQ |
| Quicklime, magnesian—MQ |
| Hydrated lime, high-calcium—CH |
| Hydrated lime, dolomitic—DH |
| Hydrated lime, magnesian—MH |
1.3 The buyer shall designate the use, as listed in Table 1, and may specify one or more of the type designations in 1.1.
1.4 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.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Keywords
by-product lime; calcium oxide; calcium silicate; chemical uses; color removal; dolomitic hydrated lime; dolomitic lime; dolomitic limestone; dolomitic quicklime; high calcium hydrated lime; high calcium limestone; high calcium quicklime; hydrated lime; hypochlorite bleach; industrial uses; lime; limestone; magnesian hydrated lime; magnesian limestone; magnesian quicklime; quicklime; silica brick; silica removal; sulfite pulp;
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91.100.10 (Cement. Gypsum. Lime. Mortar)
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Document Number
ASTM-C911-19
Revision Level
2019 EDITION
Status
Current
Modification Type
Revision
Publication Date
May 1, 2019
Document Type
Specification
Page Count
4 pages
Committee Number
C07.02