Preparation method of duck farm deodorant

Abstract

The invention provides a preparation method of a duck farm deodorant, comprising the following steps: S01 adding EDTA chelated zinc to a sodium percarbonate solution, heating the solution to 50-80 DEG C, and stirring for 1 hour to obtain a solution A; S02 grinding ferrous sulfate, sodium carbonate, boric acid, and magnesium sulfate into 500-700 mesh powders respectively, adding a surfactant, continuing to grind for 6 hours, adding deionized water, stirring for 2 hours, and filtering to retain the solution to obtain a solution B; S03 stirring and mixing the solution A and the solution B, adding malic acid, a plant extract, and water, stirring at 50 DEG C for 2 hours, and cooling to obtain the duck farm deodorant. The duck farm deodorant provided by the invention is practically non-toxic, has long-lasting deodorizing effect, is non-irritating to mucous membranes, refreshes and purifies turbid air in the duck farm, and can effectively remove toxic and harmful gases in the air of the duck farm after long-term use, thereby playing the role of a protective net to prevent infection.

Description

Technical Field

[0001] The invention belongs to the technical field of animal husbandry, and particularly relates to a method for preparing a duck farm deodorant. Background Art

[0002] Ammonia concentrations in duck houses are excessively high. This is produced by bacterial fermentation and decomposition of nitrogen-containing organic matter in feces. It is highly irritating, especially to mucous membranes, often causing congestion and edema in the conjunctiva and upper respiratory tract mucosa, leading to illness. This not only easily induces respiratory diseases but also negatively impacts the ducks' growth, development, and egg production. Especially in winter, when ventilation and insulation conflict, many farmers neglect ventilation in duck houses to maintain insulation, leading to excessively high ammonia concentrations. Ammonia levels are also prone to increase during hot weather, which can not only induce various illnesses but also complicate the treatment of other conditions. Therefore, eliminating ammonia in duck houses and maintaining fresh air are crucial for the health of ducks. However, how to eliminate harmful gases that have already been produced has become a major headache for many duck farmers. Summary of the Invention

[0003] In order to solve the above problems, the present invention discloses a preparation method of a duck farm deodorant.

[0004] To achieve the above object, the technical solution of the present invention is as follows:

[0005] The present invention provides a method for preparing a duck farm deodorant, comprising the following steps:

[0006] S01. Add sodium bicarbonate solution to EDTA chelated zinc, heat to 50-80°C, and stir for 1-3 hours to obtain solution A;

[0007] S02, ferrous sulfate, sodium carbonate, boric acid, and magnesium sulfate were ground into 500-700 mesh powders, mixed, and a surfactant was added, and the mixture was further ground for 5 h to 7 h. Deionized water was then added, and the mixture was stirred for 2 h to 4 h and filtered. The solution was retained as solution B;

[0008] S03. After stirring and mixing solution A and solution B, malic acid, plant extract and water are added, and the mixture is stirred at a temperature of 65-85° C. for 2 h-4 h. After cooling, a duck farm deodorant is obtained.

[0009] Furthermore, in step S01, the mass ratio of sodium bicarbonate to EDTA-chelated zinc in the sodium bicarbonate solution is 99-95:1-5.

[0010] Furthermore, the concentration of the sodium bicarbonate solution is 1000-5000 mg / L.

[0011] Furthermore, in step S02, the mass ratio of ferrous sulfate, sodium carbonate, boric acid, magnesium sulfate, surfactant and water is 1-5:1-5:1-5:1-5:1-10:95-70.

[0012] Furthermore, in step S02, the stirring temperature is 50-70°C.

[0013] Furthermore, in step S02, the surfactant is one or more of cocamidopropyl betaine and coconut oil fatty acid diethanolamide.

[0014] Furthermore, in step S03, the volume ratio of solution A to solution B is 1-5:9-5.

[0015] Furthermore, in step S03, the mass ratio of malic acid to solution A is 1-5:99-95.

[0016] Furthermore, the plant extract is mint essence.

[0017] The beneficial effects of the present invention are:

[0018] (1) The present invention uses EDTA chelated zinc as a raw material to prepare a duck farm deodorant with fast reactivity, enhanced activity, and a large specific surface area. It can induce the generation of hydroxyl free radicals and active oxygen ions ROS with reducing effects, forming a good deodorizing activity. The zinc atoms in this deodorant can not only react with hydrogen sulfide and ammonia in the odor, but also react with -NH, -COOH, -SH and the like in bacteria, thereby destroying the structural composition of the cells, preventing their reproduction, and achieving the effect of killing bacteria and molds; the duck farm deodorant shows excellent decomposition activity, and can quickly decompose hydrogen sulfide, ammonia, methyl mercaptan and other odor molecules in duck manure in the duck farm to react and generate odor-free molecules. With the assistance of malic acid, it achieves a fast and efficient deodorizing effect, and with the assistance of mint essence, it achieves the effect of quickly repelling flies and mosquitoes.

[0019] (2) The surfactant used in the present invention can improve the stability of the duck farm deodorant, prevent the duck farm deodorant from stratification, agglomeration, precipitation, and transparent color, while ensuring that the deodorizing properties of the duck farm deodorant are long-lasting and stable.

[0020] (3) The present invention provides a deodorant for duck farms that is practically non-toxic, provides long-lasting deodorization, and is non-irritating to mucous membranes. It can rapidly decompose toxic and harmful gases produced by duck manure in duck farms, and long-term use can refresh and purify the air in duck farms. DETAILED DESCRIPTION

[0021] The present invention will be further explained below in conjunction with specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. Example 1

[0022] S01: Add 10 g of EDTA-chelated zinc to 990 ml of sodium bicarbonate solution (1000 ppm), heat to 50°C in a beaker, and stir for 3 h to obtain solution A.

[0023] S02. Grind 10g of ferrous sulfate, 10g of sodium carbonate, 10g of boric acid, and 10g of magnesium sulfate into 500-700 mesh powder, add 10g of cocamidopropyl betaine, and continue grinding for 5h. Then, add 950ml of deionized water, stir at 50°C for 2h, filter, and retain the solution to obtain solution B.

[0024] S03. Take 100 ml of solution A and 900 ml of solution B, stir and mix, take 900 ml of the mixed liquid, add 1 g of malic acid, 0.1 g of lotus essence and 98.9 ml of deionized water, stir at 65°C for 2 h, and cool to obtain a duck farm deodorant. Comparative Example 1

[0025] The rest is the same as Example 1, except that ferrous sulfate is not added. The olfactory sensory evaluation results of the duck farm deodorant prepared without changing other components and processes are shown in Table 3, and the results of the deodorization test are shown in Table 4. Example 2

[0026] S01: Add 20 g of EDTA-chelated zinc to 980 ml of sodium bicarbonate solution (2000 ppm), heat to 60°C in a beaker, and stir for 2 h to obtain solution A.

[0027] S02. Grind 20g of ferrous sulfate, 20g of sodium carbonate, 20g of boric acid, and 20g of magnesium sulfate into 500-700 mesh powders, add 20g of coconut oil fatty acid diethanolamide, and continue grinding for 6h. Then, add 900ml of deionized water, stir at 55°C for 3h, filter, and retain the solution to obtain solution B.

[0028] S03. Take 200 ml of solution A and 800 ml of solution B, stir and mix, take 900 ml of the mixed liquid, add 2 g of malic acid, 0.2 g of lotus essence and 97.8 ml of deionized water, stir at 70°C for 2.5 hours, and cool to obtain a duck farm deodorant. Example 3

[0029] S01: Add 30 g of EDTA-chelated zinc to 970 ml of sodium bicarbonate solution (3000 ppm), heat to 70°C in a beaker, and stir for 1 h to obtain solution A.

[0030] S02. Grind 30g of ferrous sulfate, 30g of sodium carbonate, 30g of boric acid, and 30g of magnesium sulfate into 500-700 mesh powders, add 50g of LS30, and continue grinding for 7h. Then, add 830ml of deionized water, stir at 60°C for 3h, filter, and retain the solution to obtain Solution B.

[0031] S03. Take 300 ml of solution A and 700 ml of solution B, stir and mix, take 900 ml of the mixed liquid, add 3 g of malic acid and 0.3 g of rose essence, add 96.7 ml of deionized water, stir at 80°C for 3 hours, and cool to obtain a duck farm deodorant. Comparative Example 2

[0032] The rest is the same as Example 3, except that boric acid is not added. The olfactory sensory evaluation results of the duck farm deodorant prepared without changing other components and processes are shown in Table 3, and the results of the deodorization test are shown in Table 4. Example 4

[0033] S01: Add 40 g of EDTA-chelated zinc to 960 ml of sodium bicarbonate solution (4000 ppm), heat to 80°C in a beaker, and stir for 1 h to obtain solution A.

[0034] S02. Grind 40g of ferrous sulfate, 40g of sodium carbonate, 40g of boric acid, and 40g of magnesium sulfate into 500-700 mesh powders, add 60g of sodium benzoate, and continue grinding for 7h. Then, add 780ml of deionized water, stir at 65°C for 3h, filter, and retain the solution to obtain Solution B.

[0035] S03. Take 400 ml of solution A and 600 ml of solution B, stir and mix, add 4 g of malic acid and 0.4 g of pine wood essence to 900 ml of the mixed solution, add 95.6 ml of deionized water, stir at 85°C for 3.5 hours, and cool to obtain a duck farm deodorizer. Comparative Example 3

[0036] The rest is the same as Example 4, except that magnesium sulfate is not added. The olfactory sensory evaluation results of the duck farm deodorant prepared without changing other components and processes are shown in Table 3, and the results of the deodorization test are shown in Table 4. Example 5

[0037] S01: Add 50 g of EDTA-chelated zinc to 950 ml of sodium bicarbonate solution (5000 ppm), heat to 80°C in a beaker, and stir for 1 h to obtain solution A.

[0038] S02. Grind 50g of ferrous sulfate, 50g of sodium carbonate, 50g of boric acid, and 50g of magnesium sulfate into 500-700 mesh powders, add 70g of sodium benzoate, and continue grinding for 7h. Then, add 730ml of deionized water, stir at 70°C for 3.5h, filter, and retain the solution to obtain Solution B.

[0039] S03. Take 500 ml of solution A and 500 ml of solution B, stir and mix, add 5 g of malic acid and 0.5 g of pine wood essence to 900 ml of the mixed solution, add 94.5 ml of deionized water, stir at 85°C for 4 hours, and cool to obtain a duck farm deodorant. Comparative Example 4

[0040] The rest is the same as Example 5, except that sodium benzoate is not added. The olfactory sensory evaluation results of the duck farm deodorant prepared without changing other components and processes are shown in Table 3, and the results of the deodorization test are shown in Table 4.

[0041] Test Example 1

[0042] The deodorizing effect was evaluated by an olfactory test. The olfactory test method is a method for evaluating odor intensity and suitability based on human sense of smell, and measures characteristic parameters of malodor (olfactory threshold or concentration, sensory intensity, etc.). A 6-person olfactory test panel was established (18-45 years old, non-smokers, and normal sense of smell). The effect evaluation index of duck manure after treatment with the duck farm deodorant prepared in Examples 1-5 was divided into five indicators: significant 4 points, good 3 points, average 2 points, poor 1 point, and ineffective 0 points. A total of five groups were formed, and the average score of each group was calculated, that is, the best was 4 points and the worst was 1 point. After the test group was evaluated, the evaluation index of more than 4 people was used as the test conclusion, otherwise it was re-evaluated. The specific results are shown in Table 1 below.

[0043] Table 1 Olfactory sensory evaluation results of the simulated duck farm odor removal test

[0044]

[0045] It can be seen from the data in Table 1 that the duck farm deodorizing agents prepared in Examples 1-4 can effectively remove odors, among which the duck farm deodorizing agent prepared in Example 5 can more effectively remove odors from duck farm duck manure and has the best effect.

[0046] Test Example 2

[0047] Select 5 enclosed spaces, each of which is 1 m 3, a bucket of 5 kg of duck manure from a duck farm that has produced a foul odor was placed in each room, and the indoor temperature was controlled at 30-35°C. Five rooms were selected as odor removal tests for the duck farm deodorant prepared in Examples 1-5, and the duck farm deodorant was directly sprayed on the duck farm duck manure; after the duck farm deodorant was sprayed, the ammonia, hydrogen sulfide, methyl mercaptan, and dimethyl sulfide concentrations in the room were tested every 5 days. The removal rates of ammonia concentration, hydrogen sulfide concentration, and odor concentration were calculated using a blank room as a control. The monitoring period was 30 days, and the specific results are shown in Table 2 below. The detection methods used include GB / T14678-1993 Air Quality - Determination of Hydrogen Sulfide, Methyl Mercaptan, and Dimethyl Sulfide - Gas Chromatography, and GB / T14675-199 Air Quality - Determination of Malodor - Three-Point Comparison Stink Bag Method.

[0048] Table 2 Results of the deodorant test in a simulated duck farm

[0049]

[0050] As can be seen from the data in Table 2, the duck farm deodorizers prepared in Examples 1-4 have a certain deodorizing effect. The duck farm deodorizer of Example 5 has the best effect. The average removal rates of ammonia, hydrogen sulfide, methyl mercaptan, and dimethyl sulfide over 30 days are 96.63%, 96.7%, 95.45%, and 95.76%, respectively. The duck farm deodorizer of the present invention has an excellent deodorizing effect, such as removing toxic and harmful gases such as ammonia and hydrogen sulfide. The deodorizing duration can reach at least 30 days.

[0051] Test Example 3

[0052] The olfactory test was also used to evaluate the deodorization effect. The olfactory test method is a method that evaluates the intensity and suitability of odors based on human sense of smell, and measures the characteristic parameters of malodors (olfactory threshold or concentration, sensory intensity, etc.). A 6-person olfactory test team was established (18-45 years old, non-smokers, and normal sense of smell). After duck manure was treated with the duck farm deodorant prepared in Comparative Examples 1-4, the effect evaluation indicators were divided into five indicators: significant 4 points, good 3 points, average 2 points, poor 1 point, and ineffective 0 points. There were five groups in total, and the average score of each group was calculated, that is, the best was 4 points and the worst was 1 point. After the test group was evaluated, the evaluation indicators of more than 4 people could be used as the test conclusion. Otherwise, the evaluation was repeated. The specific results are shown in Table 1 below.

[0053] Table 3 Olfactory sensory evaluation results of the simulated duck farm odor removal test

[0054]

[0055] It can be seen from the data in Table 3 that the duck farm deodorizing agents prepared in Comparative Examples 1 to 4 have poor deodorizing effects, which is mainly due to the lack of addition of corresponding components during the preparation process, resulting in the poorest deodorizing effect of the duck farm deodorizing agents on duck manure in duck farms.

[0056] Test Example 4

[0057] Similarly, 5 enclosed spaces are selected, each of which is 1 m 3 In each room, a bucket of 5 kg of malodorous duck manure was placed. The indoor temperature was controlled at 30-35°C. Five rooms were selected for odor removal testing using the duck farm deodorant prepared in Comparative Examples 1-4. The duck farm deodorant was sprayed directly onto the duck farm manure. After spraying the deodorant, the ammonia, hydrogen sulfide, methyl mercaptan, and methyl sulfide concentrations in the room were tested every five days. Using a blank room as a control, the removal rates of ammonia, hydrogen sulfide, and odor concentrations were calculated. The monitoring period was 30 days. The specific results are shown in Table 2 below. The detection methods used included GB / T14678-1993 Air Quality - Determination of Hydrogen Sulfide, Methyl Mercaptan, and Methyl Sulfide - Gas Chromatography and GB / T14675-1999 Air Quality - Determination of Malodor - Three-Point Comparison Stink Bag Method.

[0058] Table 4 Results of the deodorant test in a simulated duck farm

[0059]

[0060] As can be seen from the data in Table 4, the deodorizing effects of the duck farm deodorizers prepared in Comparative Examples 1 to 4, such as removing toxic and harmful gases such as ammonia and hydrogen sulfide, are not ideal. Compared with Table 2, the overall deodorizing effect is quite different.

[0061] It should be noted that the above content merely illustrates the technical idea of ​​the present invention and cannot be used to limit the scope of protection of the present invention. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications all fall within the scope of protection of the claims of the present invention.

Claims

1. A method for preparing a duck farm deodorant, characterized in that: The following steps are involved: S01. Add sodium bicarbonate solution to EDTA chelated zinc, heat to 50-80°C, and stir for 1-3 hours to obtain solution A; S02, ferrous sulfate, sodium carbonate, boric acid, and magnesium sulfate were ground into 500-700 mesh powders, mixed, and a surfactant was added, and the mixture was further ground for 5 h to 7 h. Deionized water was then added, and the mixture was stirred for 2 h to 4 h and filtered. The solution was retained as solution B; S03, after stirring and mixing solution A and solution B, malic acid, plant extract and water were added, stirred at a temperature of 65-85 ℃ for 2h-4h, and cooled to obtain a duck farm deodorant; The plant extract is mint essence.

2. The method for preparing a duck farm deodorant according to claim 1, wherein: In step S01, the mass ratio of sodium bicarbonate to EDTA-chelated zinc in the sodium bicarbonate solution is 99-95:1-5.

3. The method for preparing a duck farm deodorant according to claim 1, wherein: The concentration of the sodium bicarbonate solution is 1000-5000 mg / L.

4. The method for preparing a duck farm deodorant according to claim 1, wherein: In step S02, the mass ratio of ferrous sulfate, sodium carbonate, boric acid, magnesium sulfate, surfactant and water is 1-5:1-5:1-5:1-5:1-10:95-70.

5. The method for preparing a duck farm deodorant according to claim 1, wherein: In step S02, the stirring temperature is 50-70°C.

6. The method for preparing a duck farm deodorant according to claim 1, wherein: In step S02, the surfactant is one or more of cocamidopropyl betaine and coconut oil fatty acid diethanolamide.

7. The method for preparing a duck farm deodorant according to claim 1, characterized in that: In step S03, the volume ratio of solution A to solution B is 1-5:9-5.

8. The method for preparing a duck farm deodorant according to claim 1, characterized in that: In step S03, the mass ratio of malic acid to solution A is 1-5:99-95.

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