1.1 This specification establishes the criteria for acceptance, prior to installation, of vitrified clay filter block used in trickling filters for the treatment of sewage and industrial wastes.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
This specification establishes the criteria for acceptance, prior to installation, of vitrified clay filter block used in trickling filters for the treatment of sewage and industrial wastes. Filter block shall be formed from fire clay, shale, surface clay, or a combination of these materials. Chemical properties such as acid resistance; and physical properties such as compressive strength, and absorption; are detailed.
SDO | ASTM: ASTM International |
Document Number | C159 |
Publication Date | May 1, 2006 |
Language | en - English |
Page Count | 5 |
Revision Level | 06 |
Supercedes | |
Committee | C04.20 |