ISSN:
0021-8995
Keywords:
Chemistry
;
Polymer and Materials Science
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
,
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
,
Physics
Notes:
The optimization of a newly developed reverse osmosis membrane, NS-100, was studied based upon two series of statistically designed experiments. A total number of 33 experiments was run to evaluate the effects and interaction effects of five independent casting variables. With the aid of a constrained optimization method, SUMT algorithm, the optimum conditions for all casting variables were determined. Flat-sheet membranes cast under these conditions yielded a permeate flux of 10.30 ± 1.95 gal/ft2-day (gfd) and a 99.30 ± 0.18% rejection of salt under a pressure of 600 ib/in.2 (psig). Tubular membranes, on the other hand, yielded a flux of 10.13 ± 3.19 gfd and a 98.51 ± 0.66% rejection of salt. These performances evidently indicate that the optimized NS-100 membrane is superior to those previously developed. The satisfactory performance of tubular membranes indicates the feasibility of applying the results found in this study for the fabrication of tubular modules.
Additional Material:
3 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/app.1976.070200202
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