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Significance and Use
5.1 The design of an electrodialysis/electrodialysis reversal system is determined by the composition of the feedwater and the desired composition of the product water. The determinations and measurements performed in this guide will provide the necessary information for making design projections of staging and power consumption.
5.2 The recovery at which an electrodialysis/electrodialysis reversal system can be safely operated is dependent on the composition of the feed solution. The determinations measurements performed in this guide will provide data for the calculation of the maximum recovery of a system utilizing a specific feed water.
5.3 The determinations and measurements performed in this guide will be valuable for determining needed pretreatment for meeting specific product water requirements with the specific feed water.
1.1 This guide covers the determinations that should be performed on any given water if processing by electrodialysis/electrodialysis reversal is being considered.
1.2 This guide is applicable to all waters but is not necessarily complete for wastewaters.
1.3 This is a guide only and should not be construed as a complete delineation of all analysis required for a specific application.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D511 Test Methods for Calcium and Magnesium In Water
D512 Test Methods for Chloride Ion In Water
D516 Test Method for Sulfate Ion in Water
D857 Test Method for Aluminum in Water
D858 Test Methods for Manganese in Water
D1067 Test Methods for Acidity or Alkalinity of Water
D1068 Test Methods for Iron in Water
D1125 Test Methods for Electrical Conductivity and Resistivity of Water
D1129 Terminology Relating to Water
D1179 Test Methods for Fluoride Ion in Water
D1253 Test Method for Residual Chlorine in Water
D1293 Test Methods for pH of Water
D1889 Test Method for Turbidity of Water
D2579 Test Method for Total Organic Carbon in Water
D3352 Test Method for Strontium Ion in Brackish Water, Seawater, and Brines
D3370 Practices for Sampling Water from Closed Conduits
D3561 Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
D3867 Test Methods for Nitrite-Nitrate in Water
D3920 Test Method for Strontium in Water
D4189 Test Method for Silt Density Index (SDI) of Water
D4191 Test Method for Sodium in Water by Atomic Absorption Spectrophotometry
D4192 Test Method for Potassium in Water by Atomic Absorption Spectrophotometry
D4327 Test Method for Anions in Water by Suppressed Ion Chromatography
D4382 Test Method for Barium in Water, Atomic Absorption Spectrophotometry, Graphite Furnace
D4658 Test Method for Sulfide Ion in Water
D4839 Test Method for Total Carbon and Organic Carbon in Water by Ultraviolet, or Persulfate Oxidation, or Both, and Infrared Detection
ICS Number Code 13.060.50 (Examination of water for chemical substances)