Abstract
The modified clay was used for organic compounds adsorption and removal. However, desorption of the organic molecules, used for clay modification, in the real internal digestion environment of the animals is the main concern. Therefore, in this study, the adsorption/desorption studies of tri-capryl methyl ammonium chloride (TCMA)-modified clay at different cation exchange capacity (CEC) were investigated either by washing or by exposure to electrolytic solutions. The results indicated that the TCMA adsorption reaches up to 3 times the CEC of this clay. Beyond the CEC, the adsorption is accomplished by hydrophobic interaction. It is also found that the washing of clay has no effect on desorption of TCMA. Furthermore, desorption studies with stomach electrolyte solutions showed no more than 2 mg/L desorption of TCMA at acidic and neutral pH values which indicates the suitability of the TCMA clay for mycotoxin removal.
Published Version
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