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Information Seminar Paper

Title

THE EFFECT OF SALINITY AND PH ON SWELLING OF SULFONATED POLYACRYLAMIDE/CHROMIUM TRIACETATE HYDROGELS

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Abstract

 THE SWELLING BEHAVIOR OF THE USED HYDROGELS IN REDUCTION OF WATER PRODUCTION FROM OIL RESERVOIRS IS ONE OF THE MOST IMPORTANT SUBJECTS IN WATER SHUT-OFF TREATMENT. THE EFFECT OF TWO IMPORTANT FACTORS, PH AND NACL CONCENTRATION, IN THE SWELLING OF THE HYDROGELS PREPARED BY SULFONATED POLYACRYLAMIDE (PAMPS)/CHROMIUM TRIACETATE WERE INVESTIGATED. FOR A COMPREHENSIVE STUDY ON THE TWO FACTORS AND ALSO PRESENTING AN EXPERIMENTAL MODEL, ONE OF THE MOST POPULAR EXPERIMENTAL DESIGN APPROACHES (CENTRAL COMPOSITE DESIGN, CCD) WAS USED. THE RESULTS SHOWED THAT THE EFFECT OF NACL CONCENTRATION ON THE SWELLING WAS MUCH GREATER THAN THE PH EFFECT WHILE THE INTERACTION BETWEEN TWO FACTORS WERE NEGLIGIBLE. THE RESULTS OF ANALYSIS OF VARIANCE (ANOVA) ALSO SHOWED THE SIGNIFICANT ABOUT 99% CONFIDENCE OF THE MODEL AGAINST THE EXPERIMENTAL DATA.

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