Adsorption Characteristics of Polyacrylamide and Sulfonate
Adsorption Characteristics of Polyacrylamide and Sulfonate-Containing Polyacrylamide Copolymers on Sodium Kaolinite AGNES F. HOLLANDER, P. SOMASUNDARAN, and CARL C. GRYTE,* The adsorption substrate, sodium kaolinite, was prepared by extensive ion exchange vestigates the effects of ionic strength, pH, and polymer charge on the adsorption
The modifications in structure and surface charge induced by thermal treatment of silicon carbide particles drastically alters the adsorption properties of both neutral and charged polyacrylamides. Changes in pH and salinity have significant effects on the amount of charged polymer adsorbed onto all siliceous minerals.
Charge effects in the adsorption of polyacrylamides
Adsorption of relatively high molecular weight non-ionic and anionic polyacrylamides on sodium kaolinite has been studied simultaneously with various flocculation responses (per cent solids settled, settling rate and supernatant clarity) under controlled conditions of ionic strength, temperature and agitation.
Charge Effects in the Adsorption of Polyacrylamides on Sodium Kaolinite and Its Flocculation G. ATESOK*, P. SOMASUNDARAN and L. J. MORGAN School of Engineering and Applied Science, Columbia Univeraity, New York, NY 10027 (U.S.A. (Received January 22, 1987; in revised form September 15,1987) SUMMARY Adsorption of relatively high molecular
The effect of polyacrylamide charge density and molecular
The effects of the surface charge and molecular weight of anionic and cationic polyacrylamide (PAM) on the surface chemistry, settling rates, floc sizes and sediment bed compactness of kaolinite suspensions has been investigated at pH 7.
The adsorption of the uncharged polymer polyvinylpyrrolidone (PVP) with molecular weights from 5000 to 600 000 g mol−1 on the non-swelling clay mineral kaolinite has been studied.
Effects of Substrate Hydrophobicity
PDF | The adsorption of nonionic and anionic polyacrylamides in porous media has been studied as a function of substrate hydrophobicity. The adsorption... | Find, read and cite all the research
ADSORPTION CHARACTERISTICS ON SODIUM KAOLINITE A A (3 (3 c. EOUlLlBRlUM POLYMER CONCENTRATION (PPM) (b) Fig. 7. (Continued from previous page.) The effects of charge on the polymer-surface interaction may be viewed as a secondary interaction between the components whose effect is superimposed.
The Effect of Interactions Between Polyhydroxyaluminium
Abstract: The flocculation of sodium montmorillonite suspension at pH=9 was systematically studied with an polyhydroxyaluminium chloride followed by a series of polyacrylamides(M = 3×10 6) with different hydrolyzed degrees.The results show that the bonding interactions between hydroaluminium ions arid ionic and nonionic polyacryamide have a decisive influence on the flocculation behavior of
polyacrylamide (PAM) compounds had negative charge density of 40J > 21J > 2J, and the three polysaccharide compounds (guar) had a higher positive charge (T-4141), lower positive charge (CP-14), and a negative charge (T-4246). Adsorption of CP-14,21J, and T4246 was measured on montmorillonitic clay extracted from one soil and a specimen sample of
an investigation of the effects of charged polyacrylamide
The effect of polyacrylamide charge density and molecular weight on the flocculation and sedimentation behaviour of. The effects of the surface charge and molecular weight of anionic and cationic polyacrylamide (PAM) on the surface chemistry, settling rates, floc sizes and sediment bed compactness of kaolinite suspensions has been investigated at pH 7.
Tatjana A. Kuljanin et al., Effect of molecular mass and surface charge of anionic polyacrylamide on pectin precipitation, Food and Feed Research, 45 (2), 169-177, 2025 were investigated the influence of surface charge density and molecular weight of anionic polyacrylamide (PAM) on the zeta potential and adsorption/flocculation beha-
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