Abstract
The possibility of removing the phytotoxicity of soil residues of herbicides using zeolites, which have the ability to catalyze the decomposition of such xenobiotics, has been shown. The sorption characteristics of natural zeolite of the ZPS brand and its acid-modified form were studied by the method of low-temperature nitrogen sorption. Metsulfuron-methyl in aqueous solutions undergoes destruction in the presence of natural acid-modified zeolite. The concentration of MSM in aqueous solutions decreases only for suspensions with ZP-N + -1. In 96 hours, the destruction of MSM is 70%, and in 14 days (336 hours) by 93%. Acid modification of zeolite leads to an increase in the number of micropores and has little effect on their composition. No significant destruction of MSM was observed on synthetic zeolites NaX and 10X.
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