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Preparation method of mineral feed mold removing agent
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A technology for mineral feed and mildew remover is applied in the field of preparation of mineral feed mildew remover. Effect
Inactive Publication Date: 2019-03-26
HEBEI UNIV OF TECH
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Although the mold remover has a broad-spectrum detoxification effect, secondary agglomeration will occur during attapulgite downgrading, and grinding aids need to be added, which may cause secondary pollution. At the same time, it requires high-temperature treatment after mixing, which consumes electricity able, high cost
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preparation example Construction
[0021] The preparation method of mineral feed mildew remover of the present invention, the process of this method is:
[0022] 2) Weigh the attapulgite, rectorite and tourmaline, mix the materials by wet ball milling at a speed of 500-1000r / min, ball mill for 8-12 hours, dry at 150-250°C for 2 hours, and grind to obtain the mixture;
[0023] 2) Weigh the quaternaryammonium salt cationic surfactant and add it to deionized water, heat and stir at 50-100°C until it is completely dissolved in water, and the mass ratio of the attapulgite to the quaternaryammonium salt cationic surfactant is 50:1 ~5:1;
[0024] 3) Add the mixture obtained in step 1) to the quaternaryammonium salt cationic surfactant solution obtained in step 2) to form a suspension, and mix it in a constant temperature water bath at 50-100°C. The mixing process is stirring or Ultrasonic treatment, the stirring time is 1-6h, and the ultrasonic time is 10-90min;
[0025] 4) After mixing, centrifuge at 2500-5000r / ...
Embodiment 1
[0034] Weigh 200g attapulgite, 10g rectorite and 10g tourmaline, wet ball mill at 500r / min for 12h, dry at 150°C for 2h, and grind to obtain a mixture. Weigh 10 g of octadecyltrimethylammonium chloride, add it into 2100 ml of deionized water, heat and stir at 80° C. until completely dissolved. Add the mixed material to the octadecyltrimethylammonium chloride solution to form a suspension, and ultrasonicate at a constant temperature of 70°C for 50min. Centrifuge at 5000r / min for 10min, remove the supernatant, wash with deionized water for several times until the washing liquid is free of Cl ions, dry at 100°C for 4h, grind through a 200-mesh sieve to obtain a mold remover for mineral feed.
Embodiment 2
[0036] Weigh 100g attapulgite, 10g rectorite and 10g tourmaline, wet ball mill at 600r / min for 11h, dry at 250°C for 2h, and grind to obtain a mixture. Weigh 10g of octadecyltrimethylammonium chloride, add it into 2200ml of deionized water, heat and stir at 50°C until completely dissolved. Add the mixed material to the octadecyltrimethylammonium chloride solution to form a suspension, and ultrasonicate at a constant temperature of 50°C for 90min. Centrifuge at 5000r / min for 10min, remove the supernatant, wash with deionized water several times until the washing liquid is free of Cl ions, dry at 150°C for 4h, and grind through a 200-mesh sieve to obtain a mold remover for mineral feed.
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Abstract
The invention relates to a preparation method of a mineral feed mold removing agent. According to the preparation method of the mineral feed mold removing agent, attapulgite is used as a main raw material and a small amount of tourmaline is used as a skeleton, and meanwhile, the addition of rectorite and the tourmaline can effectively reduce secondary agglomeration of fibers of the attapulgite after wet ball milling. Then, a micro organic phase is formed on the surface of the fibers of the attapulgite by organic modification. According to the solute distribution theory, a fat-soluble substanceis easier to dissolve into the micro organic phase, the micro organic phase does not really affect the ordinary adsorption of the attapulgite due to the small size of the micro organic phase, it is equivalent to providing adsorption driving force for the attapulgite, and the adsorption of the fat-soluble substance can be increased to a certain extent and the adsorption of a water-soluble substance can be reduced to a certain extent. Since mycotoxicoses are mostly fat-soluble, and nutrient elements which need to be supplemented by a feed are mostly water-soluble, the preparation method can beapplied to the field of feed mold removal.
Description
technical field [0001] The invention belongs to the technical field of non-metallic ore deep processing, and in particular relates to a preparation method of a mineral feed mildew remover. Background technique [0002] Attapulgite is a hydrous magnesium-rich aluminosilicate mineral with a rod-like crystal structure. It belongs to the sepiolite group in mineralogy. Its rod crystals are about 1-5μm long and 20-70nm in diameter. It is a natural Dimensional nanomaterials. Due to the unique one-dimensional nanostructure and pore structure, attapulgite is endowed with special physical and chemical properties, and has been widely used in the field of adsorbents. With the continuous development of adsorbents, people put forward new requirements for adsorbents——selective adsorption. For example, in the field of feed mold removal, people require the adsorbent to reduce the adsorption of nutrients as much as possible while improving the adsorption of mycotoxins. Therefore, the use o...
Claims
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