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Sulphur source forage additive and its prepn. method

A feed additive and sulfur source technology, applied in animal feed, animal feed, additional food elements, etc., can solve the problem of high cost, achieve the effects of improving absorption and utilization, convenient use, and simple implementation method

Inactive Publication Date: 2007-02-14
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Methionine hydroxy analog (MnA), methionine metal complexes and their hydroxy analogs pass through the rumen safely, but at a higher cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 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, Diaion SA-10A in Japan) in 0.5 mol of twice the volume of the resin Soak in / L hydrochloric acid solution for 2 hours, drain the acid solution, rinse with water until neutral, then soak in 0.5mol / L sodium hydroxide solution twice the volume of the resin for 3 hours, drain the alkali solution and rinse with water until neutral;

[0024] 2) The resin of step 1) is packed into the exchange column, and the sulfuric acid salt with a sulfur content of 5% by weight of the anion exchange resin is pre-configured into a 0.1mol / L aqueous solution, which passes through the exchange column at a flow rate of 1mL / min, and exchange Wash 2 times with water after finishing;

[0025] 3) drying the iodine-loaded anion exchange resin obtained in step 2) at a temperature lower than 70° C. to obtain a sulfu...

Embodiment 2

[0027] 1) Place the commercially available D301 macroporous weakly basic styrene-based anion exchange resin (this product is equivalent to the US: AmberlysteIRA-94; Amberlite IRA-93 / 94DOWS MWA-1 / 66) in 2mol of 3 times the volume of the resin Soak in / L hydrochloric acid solution for 5 hours, drain the acid solution, rinse with water until neutral, then soak in 2mol / L sodium hydroxide solution that is 4 times the volume of the resin for 6 hours, drain the lye and rinse with water until neutral;

[0028] 2) The resin of step 1) is packed into the exchange column, and the sulfuric acid salt with a sulfur content of 15% by weight of the anion exchange resin is pre-configured into an aqueous solution of 1.0mol / L, and passes through the exchange column at a flow rate of 10mL / min, and exchange Wash 5 times with water after finishing;

[0029] 3) drying the iodine-loaded anion exchange resin obtained in step 2) at a temperature lower than 70° C. to obtain a sulfur source feed additive...

Embodiment 3

[0031]1) Soak the commercially available D311 macroporous acrylic weak base anion exchange resin (this product is equivalent to the U.S.: AmberliteIRA-68; Germany: AP-49) in a 1mol / L hydrochloric acid solution 2.5 times the volume of the resin for 3 hours, After exhausting the acid solution, rinse with water until neutral, then soak for 5 hours in 1mol / L sodium hydroxide solution that is 3 times the volume of the resin, and rinse with water until neutral after exhausting the lye;

[0032] 2) The resin of step 1) is packed into the exchange column, and the sulfuric acid salt with a sulfur content of 10% by weight of the anion exchange resin is pre-configured into a 0.5mol / L aqueous solution, which passes through the exchange column at a flow rate of 5mL / min, and exchange Wash 4 times with water after finishing;

[0033] 3) drying the iodine-loaded anion exchange resin obtained in step 2) at a temperature lower than 70° C. to obtain a sulfur source feed additive. The content of...

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PUM

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Abstract

A S-type forage additive is an anionic exchange resin containing exchangeable radical of sulfuric acid. It is prepared through anionic exchange between sulfuric acid radicals and anionic exchange resin to carry the sulfuric acid radical by anionic exchange resin.

Description

technical field [0001] The invention relates to a sulfur source feed additive and a preparation method thereof. Background technique [0002] Sulfur is an essential non-metallic element for living organisms. It is distributed in various cells in animals and mainly exists in methionine, cystine and cysteine ​​in the form of organic sulfur. In addition, it is also present in biotin, thiamine, chondroitin sulfate and mucin sulfate in mucopolysaccharides, as well as heparin, coenzyme A, fibrinogen and glutathione. Sulfur is also contained in keratin such as animal coats, hoof horns, and horns. Sulfur exists in the form of sulfate or sulfate in various tissues in the body, including chondroitin, taurocholic acid, heparin and sulfate. [0003] Sulfur participates in the synthesis of rumen microbial bacterial protein; participates in the biosynthesis of keratin; sulfur compounds are activators of certain enzymes (such as dehydrogenase and esterase), and participate in the synthes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/16A23K20/20
Inventor 徐勇胡彩虹夏枚生赵文艳熊莉张红梅
Owner ZHEJIANG UNIV
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