Method for preparing nano fodder additives capable of reducing the heavy metal resiaul in animal, fowl and aquatic products
A technology of feed additives and aquatic products, applied in animal feed, animal feed, animal husbandry, etc., can solve the problems of difficult negative effects of animal products, and achieve the effects of improving animal production performance, reducing residues, and large surface area
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Problems solved by technology
 Example 1
 1) The depolymerized, dispersed, separated and purified montmorillonite mineral, together with 15% sodium chloride equivalent to the weight of the mineral, add water and stir evenly to make a suspension slurry with a concentration of 20%, and wash it for 5-7 times until there is no Cl - , Use a 0.1mol / L nitrate solution to detect no white precipitation, and remake a slurry with a concentration of 10% with water; 2) Add chitosan equivalent to 5% of the mineral weight in the slurry under high-speed stirring, and continue to stir the reaction For 20 hours, the reaction temperature was 95°C, then aged at 50°C for 7 days, washed with water 5 times, and centrifuged for dehydration;
 3) The filter residue is dried under vacuum at less than 80°C and pulverized by a jet mill dry method.
 4) The in vitro adsorption rates of lead, cadmium, arsenic, mercury, nickel, tin and antimony on the nano feed additives prepared as described above are 99.0%, 90%...
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