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The Role Of Cyclodextrin In Soil Restoration

- May 07, 2018 -

Soil is made from inorganic, organic, inorganic organic colloid form a complex colloidal system, due to the nature of colloidal makes soil itself has strong adsorption ability, can by physical adsorption and chemical adsorption hydrogen bonding and coordination bond combination methods such as the adsorption of organic pollutants in soil particle surface, usually has a low polarity of organic pollutants in soil, strong hydrophobicity, soil adsorption, and easy to be difficult to directly by microbial degradation characteristics, such as in soil removal is difficult and the easy to enrichment in crops is a certain damage to the environment and human health.

People using aqueous solution of cyclodextrin as drench lotion used in repair of organic contaminated soil washing process study, cyclodextrin can package and reaction with hydrophobic organic pollutants generated host-guest inclusion compound, greatly increases the solubility of hydrophobic organic compounds in the soil and desorption rate, cyclodextrin itself in the soil adsorption losses small, good biodegradability, not easy to produce secondary pollution. In the process of soil restoration, it can be used as an environment-friendly reagent.


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