ASTM International - ASTM D4993-89(2003)
Standard Practice for Calculation and Adjustment of Silica (SiO2) Scaling for Reverse Osmosis
| Organization: | ASTM International |
| Publication Date: | 10 June 2003 |
| Status: | inactive |
| Page Count: | 3 |
significance And Use:
In the design and operation of reverse osmosis installations, it is important to predict the SiO2 scaling properties of the concentrate stream. Because of the increase in the... View More
scope:
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 fiber).
1.2 This practice is applicable to both brackish waters and seawaters.
1.3 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.
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