CN103772183A - Method for preparing lime acetate by using eggshell - Google Patents
Method for preparing lime acetate by using eggshell Download PDFInfo
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- CN103772183A CN103772183A CN201210416711.8A CN201210416711A CN103772183A CN 103772183 A CN103772183 A CN 103772183A CN 201210416711 A CN201210416711 A CN 201210416711A CN 103772183 A CN103772183 A CN 103772183A
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- eggshell
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
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- Oil, Petroleum & Natural Gas (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
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Abstract
The invention relates to a method for preparing lime acetate by using an eggshell, which comprises the steps as follows: 1, cleaning, roughly crushing, drying and pulverizing the eggshell; 2, mixing eggshell powder with water according to a mass ratio of (1:10)-(1:15), placing the mixture into a container, agitating for 10-30 minutes, standing for 10-15 minutes, filtering to remove an eggshell membrane, and drying at 110-120 DEG C; 3, placing the eggshell powder and an acetate acid solution at a mass ratios of (1:1)-(1:3) in the container, adding water which is 10 times of the volume of the acetic acid solution, and agitating to achieve fully reaction; 4, regulating the pH value above 12 by using an alkaline solution, heating at 70-80 DEG C for 10-15 minutes, and regulating the pH to the neutrality by using a vigabatrin solution; 5, performing suction filtration on a magnesium-removed solution to obtain a filtrate, transferring the filtrate to an evaporating dish, heating and concentrating the filtrate to be viscous, and drying at 110-120 DEG C to obtain the finished product. The method for preparing the lime acetate by using the eggshell has the benefits as follows: the waste eggshell is utilized to prepare the lime acetate so as to provide a calcium source; the reaction conditions are mild; the operation is simple; the feasibility is high.
Description
Technical field
The present invention relates to chemical field, specifically a kind of method of utilizing eggshell to prepare calcium acetate.
Background technology
China is egg production and consumption big country, and birds, beasts and eggs ultimate production reaches annual 2400 ten thousand t, accounts for 46% of Gross World Product.China's birds, beasts and eggs are consumed take fresh egg as main, account for the more than 90% of egg output.According to statistics, the Ovum crusta Gallus domesticus that medium-sized city is monthly abandoned has 50～80t, Ovum crusta Gallus domesticus approximately 400,000 t that the whole nation abandons every year, and a large amount of discarded eggshells have brought serious environmental pollution.
Eggshell accounts for the 10%-12% of whole weight of egg, is made up of film under film, shell on shell and housing three parts.On shell, film claims again colloid membrane or outer egg shell membrane, is covered in eggshell surface, by dry the forming of the transparent colloid mucus of white; Under shell, film, at eggshell internal layer, forms by the egg shell membrane near housing with near the protein film of egg white.This two membranes is all the reticulated structure being woven into by cutin protein fiber.The former is more coarse, and space is large; The latter is dense, and bacterium is difficult for invading.Housing is calcium carbonate duricrust, and on shell, under film and shell between film, its chemical composition is generally: calcium carbonate 93%, magnesiumcarbonate 1.0%, trimagnesium phosphate 2.8%, organism 3.2%.
Calcium is the nutrient substance of needed by human.Ministry of Health's research shows, the children of China existing 40% and middle-aged and old calcium deficiency of 60%.Along with growth in the living standard, people's the consciousness of replenishing the calcium strengthens gradually, and market is also increasing to the demand of calsium supplement.Calcium is the main component in Ovum crusta Gallus domesticus, can be used to develop calcium acetate.
Summary of the invention
According to above-mentioned weak point, the object of this invention is to provide a kind of method of utilizing eggshell to prepare calcium acetate.
Technical scheme of the present invention is: a kind of method of utilizing eggshell to prepare calcium acetate, its step has
1, raw materials pretreatment: the Ovum crusta Gallus domesticus of collection is cleaned up, and carry out pregrounding, the machine that dry, pulverize is pulverized.
2, shell membrane separate: by egg-shell meal with water in mass ratio for 1:10-1:15 mixes, be placed in container, stirring 10-30min, soak and put 10-15min, remove by filter shell membrane, obtain egg-shell meal and be placed in pallet, at temperature 110-120 ℃ oven dry, pack for subsequent use.
3, neutralization reaction: be that 1:1-1:3 is placed in container by the mass ratio of egg-shell meal and acetum, add the water of 10 times of acetum volumes, stir, make it abundant reaction.
4, demagging: more than lye pH adjustment value to 12, heat 10-15min under temperature 70-80 ℃ condition, then use olefin(e) acid solution adjust pH to neutral.
5, suction filtration, concentrated, dry: by the solution after demagging while hot suction filtration obtain filtrate, then filtrate moved into heating in furnace pot be concentrated into sticky shape, finally in the baking oven of temperature 110-120 ℃, dry, get product.
Preferably: described alkali lye is aqua calcis.
Preferably: described olefin(e) acid is acetum.
Beneficial effect of the present invention: by Ovum crusta Gallus domesticus utilization of waste material is prepared to calcium acetate, provide a kind of calcium source, and reaction conditions gentleness of the present invention, simple to operate, feasibility is high.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1
Utilize eggshell to prepare a method for calcium acetate, its step has 1, raw materials pretreatment: the Ovum crusta Gallus domesticus of collection is cleaned up, and carry out pregrounding, the machine that dry, pulverize is pulverized; 2, shell membrane separates: by egg-shell meal with water in mass ratio for 1:10 mixes, be placed in container, stirring 10min, soaks and puts 10min, removes by filter shell membrane, obtains egg-shell meal and is placed in pallet, at 110 ℃ of temperature, oven dry, packs for subsequent use; 3, neutralization reaction: be that 1:1 is placed in container by the mass ratio of egg-shell meal and acetum, add the water of 10 times of acetum volumes, stir, make it abundant reaction; 4, demagging: more than lye pH adjustment value to 12, heat 10min under temperature 70 C condition, then use olefin(e) acid solution adjust pH to neutral; 5, suction filtration, concentrated, dry: by the solution after demagging while hot suction filtration obtain filtrate, then filtrate moved into heating in furnace pot be concentrated into sticky shape, finally in the baking oven of 110 ℃ of temperature, dry, get product.
Embodiment 2
Utilize eggshell to prepare a method for calcium acetate, its step has 1, raw materials pretreatment: the Ovum crusta Gallus domesticus of collection is cleaned up, and carry out pregrounding, the machine that dry, pulverize is pulverized; 2, shell membrane separates: by egg-shell meal with water in mass ratio for 1:15 mixes, be placed in container, stirring 30min, soaks and puts 15min, removes by filter shell membrane, obtains egg-shell meal and is placed in pallet, at 120 ℃ of temperature, oven dry, packs for subsequent use; 3, neutralization reaction: be that 1:3 is placed in container by the mass ratio of egg-shell meal and acetum, add the water of 10 times of acetum volumes, stir, make it abundant reaction; 4, demagging: more than lye pH adjustment value to 12, heat 15min under 80 ℃ of conditions of temperature, then use olefin(e) acid solution adjust pH to neutral; 5, suction filtration, concentrated, dry: by the solution after demagging while hot suction filtration obtain filtrate, then filtrate moved into heating in furnace pot be concentrated into sticky shape, finally in the baking oven of 120 ℃ of temperature, dry, get product.
Embodiment 3
Utilize eggshell to prepare a method for calcium acetate, its step has 1, raw materials pretreatment: the Ovum crusta Gallus domesticus of collection is cleaned up, and carry out pregrounding, the machine that dry, pulverize is pulverized; 2, shell membrane separates: by egg-shell meal with water in mass ratio for 1:12 mixes, be placed in container, stirring 20min, soaks and puts 12min, removes by filter shell membrane, obtains egg-shell meal and is placed in pallet, at 115 ℃ of temperature, oven dry, packs for subsequent use; 3, neutralization reaction: be that 1:2 is placed in container by the mass ratio of egg-shell meal and acetum, add the water of 10 times of acetum volumes, stir, make it abundant reaction; 4, demagging: more than lye pH adjustment value to 12, heat 12min under 75 ℃ of conditions of temperature, then use olefin(e) acid solution adjust pH to neutral; 5, suction filtration, concentrated, dry: by the solution after demagging while hot suction filtration obtain filtrate, then filtrate moved into heating in furnace pot be concentrated into sticky shape, finally in the baking oven of 115 ℃ of temperature, dry, get product.
Embodiment 4
Utilize eggshell to prepare a method for calcium acetate, its step has 1, raw materials pretreatment: the Ovum crusta Gallus domesticus of collection is cleaned up, and carry out pregrounding, the machine that dry, pulverize is pulverized; 2, shell membrane separates: by egg-shell meal with water in mass ratio for 1:14 mixes, be placed in container, stirring 25min, soaks and puts 15min, removes by filter shell membrane, obtains egg-shell meal and is placed in pallet, at 118 ℃ of temperature, oven dry, packs for subsequent use; 3, neutralization reaction: be that 1:3 is placed in container by the mass ratio of egg-shell meal and acetum, add the water of 10 times of acetum volumes, stir, make it abundant reaction; 4, demagging: more than lye pH adjustment value to 12, heat 15min under 78 ℃ of conditions of temperature, then use olefin(e) acid solution adjust pH to neutral; 5, suction filtration, concentrated, dry: by the solution after demagging while hot suction filtration obtain filtrate, then filtrate moved into heating in furnace pot be concentrated into sticky shape, finally in the baking oven of 118 ℃ of temperature, dry, get product.
Claims (3)
1. utilize eggshell to prepare a method for calcium acetate, it is characterized in that: operation steps has
A, raw materials pretreatment: the Ovum crusta Gallus domesticus of collection is cleaned up, and carry out pregrounding, the machine that dry, pulverize is pulverized;
B, shell membrane separate: by egg-shell meal with water in mass ratio for 1:10-1:15 mixes, be placed in container, stirring 10-30min, soaks and puts 10-15min, removes by filter shell membrane, obtains egg-shell meal and is placed in pallet, at temperature 110-120 ℃, oven dry, packs for subsequent use;
C, neutralization reaction: be that 1:1-1:3 is placed in container by the mass ratio of egg-shell meal and acetum, add the water of 10 times of acetum volumes, stir, make it abundant reaction;
D, demagging: more than lye pH adjustment value to 12, under temperature 70-80 ℃ condition, heat 10-15min, then use olefin(e) acid solution adjust pH to neutral;
E, suction filtration, concentrated, dry: by the solution after demagging while hot suction filtration obtain filtrate, then filtrate moved into heating in furnace pot be concentrated into sticky shape, finally in the baking oven of temperature 110-120 ℃, dry, get product.
2. according to a kind of method of utilizing eggshell to prepare calcium acetate claimed in claim 1, it is characterized in that: described alkali lye is aqua calcis.
3. according to a kind of method of utilizing eggshell to prepare calcium acetate claimed in claim 1, it is characterized in that: described olefin(e) acid is acetum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210416711.8A CN103772183A (en) | 2012-10-28 | 2012-10-28 | Method for preparing lime acetate by using eggshell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210416711.8A CN103772183A (en) | 2012-10-28 | 2012-10-28 | Method for preparing lime acetate by using eggshell |
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| CN103772183A true CN103772183A (en) | 2014-05-07 |
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| CN201210416711.8A Pending CN103772183A (en) | 2012-10-28 | 2012-10-28 | Method for preparing lime acetate by using eggshell |
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| CN106107918A (en) * | 2016-08-05 | 2016-11-16 | 合肥市金乡味工贸有限责任公司 | A kind of fruit Folium Allii tuberosi beans and preparation method thereof |
| CN106107917A (en) * | 2016-08-05 | 2016-11-16 | 合肥市金乡味工贸有限责任公司 | One is refreshed oneself Folium Allii tuberosi beans and preparation method thereof |
| CN106107916A (en) * | 2016-08-05 | 2016-11-16 | 合肥市金乡味工贸有限责任公司 | A kind of tranquilizing by nourishing the heart Folium Allii tuberosi beans and preparation method thereof |
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| CN106213466A (en) * | 2016-08-04 | 2016-12-14 | 合肥市金乡味工贸有限责任公司 | A kind of anti-cancer Folium Allii tuberosi beans and preparation method thereof |
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| CN106213467A (en) * | 2016-08-04 | 2016-12-14 | 合肥市金乡味工贸有限责任公司 | A kind of Mel Folium Allii tuberosi beans and preparation method thereof |
| CN106235278A (en) * | 2016-08-05 | 2016-12-21 | 合肥市金乡味工贸有限责任公司 | A kind of aroma Folium Allii tuberosi beans and preparation method thereof |
| CN106235279A (en) * | 2016-08-05 | 2016-12-21 | 合肥市金乡味工贸有限责任公司 | A kind of blood pressure lowering Folium Allii tuberosi beans and preparation method thereof |
| CN106235277A (en) * | 2016-08-05 | 2016-12-21 | 合肥市金乡味工贸有限责任公司 | A kind of Fructus Crataegi Folium Allii tuberosi beans and preparation method thereof |
| CN106262694A (en) * | 2016-08-04 | 2017-01-04 | 合肥市金乡味工贸有限责任公司 | A kind of nut Folium Allii tuberosi beans and preparation method thereof |
| CN108497334A (en) * | 2018-04-25 | 2018-09-07 | 河南科技大学 | It is a kind of to ferment mutton sausage and preparation method using industrial egg shell as the high calcium of calcium source |
| CN109912319A (en) * | 2019-03-27 | 2019-06-21 | 滨州星阳生物科技有限公司 | A method of liquid calcium acetate fertilizer is prepared using eggshell |
| CN112409161A (en) * | 2020-11-23 | 2021-02-26 | 南通奥凯生物技术开发有限公司 | Preparation method of high-purity feed additive calcium propionate |
| CN113512409A (en) * | 2021-07-07 | 2021-10-19 | 中国科学院工程热物理研究所 | Method for preparing porous calcium-based material by using eggshells and application of porous calcium-based material in thermochemical energy storage |
-
2012
- 2012-10-28 CN CN201210416711.8A patent/CN103772183A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106213466A (en) * | 2016-08-04 | 2016-12-14 | 合肥市金乡味工贸有限责任公司 | A kind of anti-cancer Folium Allii tuberosi beans and preparation method thereof |
| CN106262694A (en) * | 2016-08-04 | 2017-01-04 | 合肥市金乡味工贸有限责任公司 | A kind of nut Folium Allii tuberosi beans and preparation method thereof |
| CN106213467A (en) * | 2016-08-04 | 2016-12-14 | 合肥市金乡味工贸有限责任公司 | A kind of Mel Folium Allii tuberosi beans and preparation method thereof |
| CN106213468A (en) * | 2016-08-04 | 2016-12-14 | 合肥市金乡味工贸有限责任公司 | A kind of spleen invigorating Folium Allii tuberosi beans and preparation method thereof |
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| CN108497334A (en) * | 2018-04-25 | 2018-09-07 | 河南科技大学 | It is a kind of to ferment mutton sausage and preparation method using industrial egg shell as the high calcium of calcium source |
| CN109912319A (en) * | 2019-03-27 | 2019-06-21 | 滨州星阳生物科技有限公司 | A method of liquid calcium acetate fertilizer is prepared using eggshell |
| CN112409161A (en) * | 2020-11-23 | 2021-02-26 | 南通奥凯生物技术开发有限公司 | Preparation method of high-purity feed additive calcium propionate |
| CN113512409A (en) * | 2021-07-07 | 2021-10-19 | 中国科学院工程热物理研究所 | Method for preparing porous calcium-based material by using eggshells and application of porous calcium-based material in thermochemical energy storage |
| CN113512409B (en) * | 2021-07-07 | 2023-02-03 | 中国科学院工程热物理研究所 | Method for preparing porous calcium-based material by using eggshells and application of porous calcium-based material in thermochemical energy storage |
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Application publication date: 20140507 |