Effect of humic acid sodium composite adsorbent adsorption of Zearalenone

Using an in vitro test, humic acid sodium composite was tested using different adsorbents. The optimal proportion of the two adsorbents making up the composite was tested using the best composite G, and the effect of different factors (buffer pH, temperature, processing time, the amount of compound G used to add volume, initial concentration, and alkali gibberellic ketene corn analysis) on the absorption, were studied. Results show that 1) when testing several kinds of sorbents, the humic acid sodium and activated carbon composite was the best adsorbent, with a detoxification effect as high as 95.17% and a resolution ratio of about 4.94%. The humic acid sodium adsorption rate of zearalenone (ZEN) seedlings was only 79.53%. The detoxification effect was better when using the composite humic acid sodium and activated carbon, and compounds made of composite G and the ZEN form were very stable. 2) We found that the adsorption rate increased by increasing the pH of the solution at 37 ℃ and adding 0.15% of adsorbent G to reach the adsorption equilibrium at 60 min. The highest adsorption was observed at pH = 7～8. 3) Initial concentration of ZEN has a significant effect on the detoxification of ZEN by absorbent G. For the detoxification of ZEN by adsorbent G, the data was better fitted to the Freundlich equation.