PERFORMANCE OF RECTORITE MODIFIED BY SURFACE ACTIVE AGENT

Rectorite was intercalative modified with three novel Gemini surfactants to form three kinds of organic-modified rectorite (OREC) by the conventional method. The results indicated that the interlayer distances of the three ORECs were enlarged from 2.49 nm to 3.77 nm, 3.00 nm and 3.33 nm, respectively. Besides, the adsorption results showed that the OREC with larger interlayer space displayed more adsorption capacities than the OREC with smaller interlayer space in the same work condition. The max adsorption amount of the three ORECs can be reached to 45.56 mg/g, 37.81 mg/g, 40.82 mg/g at 25℃, respectively.