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Molybdenum-tonifying feed additive and its preparation method

A feed additive and molybdate technology, applied in the field of molybdenum supplementation feed additives and preparation, can solve the problem of zero absorption and utilization rate of molybdenum, and achieve the effects of improving absorption and utilization rate, convenient use and simple implementation method.

Inactive Publication Date: 2008-04-23
SHANDONG AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reasons for molybdenum deficiency in southern and northern feed are different. The available molybdenum content in the northern soil is lower than the critical concentration of molybdenum deficiency (0.15mg / kg); Under these conditions, the uptake and utilization of molybdenum by forage plants is almost zero

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1) Soak the commercially available D311 macroporous acrylic weak base anion exchange resin (this product is equivalent to America: Amberlite IRA-68; Germany: AP-49 D318) in 1mol / L sodium hydroxide solution equal to the resin volume After 2 hours, drain the lye and rinse with water until neutral, then soak in 1mol / L hydrochloric acid solution 1.5 times the volume of the resin for 3 hours, drain the acid and rinse with water until neutral;

[0026] 2) Sodium molybdate containing molybdenum content of 0.1% by weight of the anion exchange resin is pre-configured into a 0.01mol / L aqueous solution, passed through the exchange column at a flow rate of 1mL / min, and washed twice with water after the exchange is completed;

[0027] 3) drying the molybdenum-loaded anion-exchange resin obtained in step 2) at a temperature lower than 70° C. to obtain a molybdenum-supplementing feed additive, and the content of molybdenum in the anion-exchange resin is 0.1% by weight percentage.

Embodiment 2

[0029] 1) Place commercially available 201×7 (717#) strongly basic type I anion exchange resin (this product is equivalent to Amberlite IRA-400 in the United States, Lewatit M500 in West Germany, DiaionSA-10A in Japan) in 2 mol of twice the volume of the resin Soak in / L sodium hydroxide solution for 4 hours, drain the lye and rinse with water until neutral, then soak in 2mol / L hydrochloric acid solution that is 3 times the volume of the resin for 6 hours, drain the acid solution and rinse with water until neutral;

[0030] 2) Potassium molybdate with a molybdenum content of 5% by weight of the anion exchange resin is pre-configured into an aqueous solution of 1.0 mol / L, passed through the exchange column at a flow rate of 10 mL / min, and washed 5 times with water after the exchange is completed;

[0031] 3) drying the molybdenum-loaded anion exchange resin obtained in step 2) at a temperature lower than 70° C. to obtain a molybdenum-supplementing feed additive, and the content ...

Embodiment 3

[0033] 1) Place the commercially available D301 macroporous weakly basic styrene-based anion exchange resin (this product is equivalent to the US: Amberlyste IRA-94; Amberlite IRA-93 / 94 DOWS MWA-1 / 66) in 1.5 times the volume of the resin Soak in 1.5mol / L sodium hydroxide solution of 1.5mol / L sodium hydroxide solution for 3 hours, drain the lye and rinse with water until neutral, then soak in 1.5mol / L hydrochloric acid solution twice the volume of the resin for 5 hours, drain the acid solution and rinse with water until neutral sex;

[0034] 2) Ammonium molybdate containing molybdenum content of 2.5% by weight of the anion exchange resin is pre-configured into a 0.5mol / L aqueous solution, passed through the exchange column at a flow rate of 5mL / min, and washed 3 times with water after the exchange is completed;

[0035] 3) drying the molybdenum-loaded anion-exchange resin obtained in step 2) at a temperature lower than 70°C to obtain a molybdenum-supplementing feed additive, an...

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Abstract

The present invention discloses a molybdenum-supplementing feed additive and its preparation method. The described feed additive is an anion-exchange resin containing exchangeable molybdic acid radical, the molybdenum content in the anion-exchange resin is (by wt%) 1.0-8.5% Its preparation method is characterized by that it utilizes the feature of that the anion-exchange resin can produce exchange action with anion, so that it can make the molybdic acid radical ions be loaded in the anion-exchange resin. Because the anion-exchange resin is a controlled slowly-releasing carrier with excellent property, said anion-exchange resin possess the controllable slowly-releasing action for loaded molybdenum, so that the absorption utilization rate of molybdenum can be greatly raised. The molybdenum-supplencenting feed additive prepared by said invention has the characteristics of low-toxicity and high-efficiency, and is easily mixed with feed, can form uniform dispersion system, and is convenient for use.

Description

technical field [0001] The invention relates to a molybdenum supplement feed additive and a preparation method thereof. Background technique [0002] Molybdenum (Mo) is one of the trace elements necessary for the growth of animals and plants, and widely exists in soil, water, air, plant and animal tissues. Molybdenum was first recognized by zoologists as a toxic element. Molybdenum poisoning can cause severe diarrhea and hair discoloration in grazing sheep, which is called "Teart" disease. Therefore, people have always regarded molybdenum as a toxic substance and have long been committed to the research on the prevention and treatment of molybdenum poisoning in animals. [0003] Molybdenum is mainly dependent on molybdenum enzymes (xanthine oxidase, aldehyde oxidase, sulfite oxidase) to participate in animal body metabolism and exert biological functions. Molybdenum-containing enzymes play a catalytic role in the basic metabolism of carbon, sulfur, and nitrogen cycles. Mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/175A23K20/20
Inventor 胥保华夏枚生胡彩虹
Owner SHANDONG AGRICULTURAL UNIVERSITY
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