Norme ASTM D4993-89R98E01

Pratique standard pour le calcul et l'ajustement de la silice (SiO<sub>2</sub>) pour l'osmose inverse
Statut
:
Remplacée
Date de publication
:
1998
Langues
:
EN
ICS
:
71.060.20 Oxydes
Sommaire :

1.1 This practice covers the calculation and adjustment of silica (SiO2) for the concentrate stream of a reverse osmosis system. The calculations are used to determine the need for scale control in the operation and design of reverse osmosis installations. This practice is applicable for all types of reverse osmosis devices (tubular, spiral wound, and hollow fibe
r).

1.2 This practice is applicable to both brackish waters and seawaters.

1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.

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