Citation:
ZHU Wei-Qun, ZHANG Rui, LIU Guang-Zeng, LI Shu-Ping, GUO Bao-Yu. Property of a Clay Stabilizer-CETA[J]. Chinese Journal of Applied Chemistry,
;2003, 20(10): 955-958.
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A cationic clay stabilizer 2-chloroethyl trimethyl ammonium chloride(CETA) was prepared. The adsorption isotherms of CETA on Ca-montmorillonite were recorded by static method. The Zeta potential of the Ca-montmorillonite suspension as measured by micro-electrophoresis appartus was found increased from nagative to positive value with the increase in concentration of CETA. The lattice spacing of the adsorbed CETA montmorillonite juged by XRD decreased with increase of adsorptive capacity of CETA. At saturation adsorption of CETA the lattice spacing attains the minimal value. The shale recovery experiments showed that it increases with the increase in concentration of CETA. Almost the same shale recovery could be achieved by using 1% KCl solution or 0.1% CETA solution. The result indicate the good inhibition effect of CETA on the clay.
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