ASTM-D4692 › Historical Revision Information
Standard Practice for Calculation and Adjustment of Sulfate Scaling Salts (CaSO4, SrSO4, and BaSO4) for Reverse Osmosis and Nanofiltration

ASTM-D4692 - 2001 EDITION - SUPERSEDED
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Standard Practice for Calculation and Adjustment of Sulfate Scaling Salts (CaSO4, SrSO4, and BaSO4) for Reverse Osmosis and Nanofiltration
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Scope

1.1 This practice covers the calculation and adjustment of calcium, strontium, and barium sulfates 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.

Keywords

barium; calcium, membrane fouling; membrane scaling; nanofiltration; reverse osmosis; strontium; sulfate scaling; ICS Number Code 71.120.99 (Other equipment for the chemical industry)

To find similar documents by ASTM Volume:

11.02 (Water (II))

To find similar documents by classification:

71.120.99 (Other equipment for the chemical industry)

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Document Number

ASTM-D4692-01

Revision Level

2001 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

June 10, 2001

Document Type

Practice

Page Count

4 pages

Committee Number

D19.08