Mixed-bed, ion exchange device for water purification. Final report, 2 April-2 October 1990

Technical Report · Mon Oct 01 00:00:00 EDT 1990

OSTI ID:6708440

Taylor, M A

The purpose of this contract was to determine the feasibility of development and subsequent production of a small ion exchange device for water purification in a field setting. The device specifications included: a capacity of 1 g of NaCl; flow rates of 20-25 or 200-300 ml/min; removal of dissolved solids to less than 1 mg/ml; and operation in any orientation without channel formation. The work performed included selection of a mixed-bed, ion exchange resin combination after determination of working capacities, physical characteristics, and resistance to temperature stresses. Prototype housing design included analysis of: (1) device patents, (2) flow patterns, (3) bed volume changes, (4) connection requirements, and (5) housing materials; Construction included development of: (1) volume compensating frits, (2) inlet and outlet covers, (3) component design, (4) weld site engineering, and (5) manufacturing procedures. Two device designs were used to construct fully functional prototypes with working capacities of 6.5 and 1.0 grams of NaCl. These devices were effective in any orientation without evidence of channel formation at flow rates of 275 and 25 ml/min respectively....Ion exchange, Deionization, Water Purification, RA II, SBIR, Phase I, Water Supply.

• Research Organization: Sepratech, Carlsbad, CA (United States)
• OSTI ID: 6708440
• Report Number(s): AD-A-259431/5/XAB; CNN: DAMD-90-C-0090
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
ION EXCHANGE
FEASIBILITY STUDIES
WATER SUPPLY
PURIFICATION
BENCH-SCALE EXPERIMENTS
CAPACITY
CONSTRUCTION
DESIGN
ENGINEERING
FLOW RATE
MANUFACTURING
MATERIALS
OPERATION
ORIENTATION
PATENTS
PLASTICS
PRODUCTION
REGULATIONS
REMOVAL
RESEARCH PROGRAMS
RESINS
SODIUM
SODIUM CHLORIDES
SOLIDS
SPECIFICATIONS
STRESSES
SYNTHESIS
WELDED JOINTS
ALKALI METAL COMPOUNDS
ALKALI METALS
CHLORIDES
CHLORINE COMPOUNDS
DOCUMENT TYPES
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
JOINTS
METALS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
SODIUM COMPOUNDS
SYNTHETIC MATERIALS
540320* - Environment
Aquatic- Chemicals Monitoring & Transport- (1990-)