ASTM D6529-22
Standard Test Method for Operating Performance of Continuous Electrodeionization Systems on Feeds from 50 μS/cm to 1000 μS/cm

Standard No.

ASTM D6529-22

Release Date

2022

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM D6529-22

Scope

1.1 This test method covers the determination of the operating characteristics of continuous electrodeionization (CEDI) devices using synthetic feed solutions and is not necessarily applicable to natural waters. This test method is a procedure applicable to solutions with a conductivity range from approximately 50 µS ⁄cm to 1000 µS ⁄cm. 1.2 This test method covers the determination of operating characteristics under standard test conditions of CEDI devices where the electrically active transfer media therein is predominantly unregenerated. This results in more rapid achievement of steady state and shorter test time than when performing a test which requires the active media be predominantly regenerated. 1.3 This test method is not necessarily indicative of the following: 1.3.1 Long-term performance on feed waters containing foulants or sparingly soluble solutes, or both, 1.3.2 Performance on feeds of brackish water, sea water, or other high-salinity feeds, 1.3.3 Performance on synthetic industrial feed solutions, pharmaceuticals, or process solutions of foods and beverages, or, 1.3.4 Performance on feed waters less than 50 µS ⁄cm, particularly performance relating to organic solutes, colloidal or particulate matter, or biological or microbial matter. 1.4 This test method, subject to the limitations previously described, can be applied as either an aid to predict expected deionization performance for a given feed water quality, or as a test method to determine whether performance of a given device has changed over some period of time. It is ultimately, however, the user’s responsibility to ensure the validity of this test method for their specific applications. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D6529-22 Referenced Document

• ASTM D1125 Standard Test Methods for Electrical Conductivity and Resistivity of Water
• ASTM D1129 Standard Terminology Relating to Water
• ASTM D1193 Standard Specification for Reagent Water
• ASTM D1293 Standard Test Methods for pH of Water
• ASTM D2777 Standard Practice for Determination of Precision and Bias of Applicable Methods of Committee D-19 on Water
• ASTM D4189 Standard Test Method for Silt Density Index (SDI) of Water

ASTM D6529-22 history

• 2022 ASTM D6529-22 Standard Test Method for Operating Performance of Continuous Electrodeionization Systems on Feeds from 50 μS/cm to 1000 μS/cm
• 2011 ASTM D6529-11 Standard Test Method for Operating Performance of Continuous Electrodeionization Systems on Feeds from 50x2013;1000 x03BC;S/cm
• 2000 ASTM D6529-00 Standard Test Method for Operating Performance of Continuous Electrodeionization Systems on Feeds from 50-1000 uS/cm