Standard Specification for Vitrified Clay Filter Blocks
NORMA vydána dne 1.4.2021
Označení normy: ASTM C159-06(2021)
Datum vydání normy: 1.4.2021
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
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.
Keywords:
clay blocks, drains, filters, filter drainage, media, media supports, support, trickling filters, underdrains,, ICS Number Code 81.080 (Refractories)