Standard Specification for Vitrified Clay Filter Blocks
NORMA vydaná dňa 1.4.2021
Označenie normy: ASTM C159-06(2021)
Dátum vydania normy: 1.4.2021
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: 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)