ASTM-D4582 Historical Revision Information
Calculation & Adjustment of the Stiff & Davis Stability Index for Reverse Osmosis, Standar

ASTM-D4582 - 1991 EDITION - SUPERSEDED
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Standard Practice for Calculation and Adjustment of the Stiff and Davis Stability Index for Reverse Osmosis (Withdrawn 2019)
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Scope

1.1 This practice covers the calculation and adjustment of the Stiff and Davis Stability Index (S & DSI) for the concentrate stream of a reverse osmosis device. This index is used to determine the need for calcium carbonate scale control in the operation and design of reverse osmosis installations. This practice is applicable for concentrate streams containing more than 10 000 mg/L of total dissolved solids. For concentrate streams containing less than 10 000 mg/L of total dissolved solids, refer to Practice D3739.

1.2 This standard does not purport to address the safety problems, 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.

Keywords

Calcium carbonate; membrane scaling; reverse osmosis; 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-D4582-91

Revision Level

1991 EDITION

Status

Superseded

Modification Type

Reapproval

Publication Date

June 28, 1991

Document Type

Practice

Page Count

4 pages

Committee Number

D19.08