High-temperature enzymolysis extraction process for mineral element ultrafine particles

Abstract

The invention belongs to the technical field of mineral element extraction, particularly relates to a mineral element ultrafine particle high-temperature enzymolysis extraction process, and aims to solve the problems that an enzyme preparation is inconvenient to select according to the quality and purity of a mineral raw material and the enzymolysis effect is poor in the prior art. Then naturally airing or drying at low temperature, and crushing the dried raw materials into particles or powder; s2, detecting and analyzing the quality and purity of the mineral raw materials; s3, selecting an enzyme preparation according to the quality and purity of the mineral raw materials, preparing a buffer solution required by enzymolysis reaction, mixing the enzyme preparation with the buffer solution, and adjusting the pH value to prepare an enzyme solution; s4, the crushed mineral raw materials are mixed with the enzyme solution, the quality and purity of the mineral raw materials are detected and analyzed, the enzyme preparation is selected according to the quality and purity of the mineral raw materials, and the enzymolysis effect can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of mineral element extraction, and particularly to a high-temperature enzymatic hydrolysis extraction process for ultra-fine particles of mineral elements. Background Art

[0002] The high-temperature enzymatic hydrolysis extraction process for ultra-fine particles of mineral elements is a technology that uses enzymes to decompose minerals under high-temperature conditions to extract the elements therein. This process combines the advantages of enzymatic hydrolysis and high-temperature treatment, and can efficiently extract the elements in minerals, especially trace or fine-grained elements that are difficult to extract by conventional methods.

[0003] In the prior art, when extracting ultra-fine particles of mineral elements by high-temperature enzymatic hydrolysis, it is not convenient to select enzyme preparations according to the quality and purity of mineral raw materials, and the enzymatic hydrolysis effect is not good. Therefore, we have proposed a high-temperature enzymatic hydrolysis extraction process for ultra-fine particles of mineral elements to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to propose a high-temperature enzymatic hydrolysis extraction process for ultra-fine particles of mineral elements to solve the disadvantages that it is not convenient to select enzyme preparations according to the quality and purity of mineral raw materials and the enzymatic hydrolysis effect is not good.

[0005] In order to achieve the above purpose, the present invention adopts the following technical scheme:

[0006] A high-temperature enzymatic hydrolysis extraction process for ultra-fine particles of mineral elements, comprising the following steps:

[0007] S1. Treat the raw materials to remove impurities and soil, and then air-dry or low-temperature dry naturally, and crush the dried raw materials into particles or powders;

[0008] S2. Detect and analyze the quality and purity of the mineral raw materials;

[0009] S3. Select enzyme preparations according to the quality and purity of the mineral raw materials, prepare the buffer solution required for the enzymatic hydrolysis reaction, mix the enzyme preparations with the buffer solution, and adjust the pH value to obtain an enzyme solution;

[0010] S4. Mix the crushed mineral raw materials with the enzyme solution and heat to enable the enzyme to react efficiently with the elements in the minerals;

[0011] S5. After the reaction is completed, separate the solution containing the target element from the unreacted mineral residue by filtration and centrifugation separation techniques; further purify the target element by chemical or physical methods, such as distillation, extraction, chromatographic separation, etc., to obtain high-purity mineral elements.

[0012] Preferably, in S2, the detection and analysis of the quality and purity of the mineral raw materials include chemical composition analysis, mineralogical characteristic analysis, physical property analysis, thermal analysis, and instrumental analysis.

[0013] Preferably, the chemical composition analysis includes determination of main components: accurately measuring the content of main components in mineral raw materials, and detecting the types and contents of impurity elements in ores, which will have a significant impact on the processing of minerals and the performance of final products.

[0014] Preferably, the mineralogical characteristic analysis includes: identification of mineral composition: determining other mineral components in mineral raw materials except for the main components. The presence of these associated minerals may increase the difficulty of purification or affect the purity of the final product; crystal structure analysis: analyzing the crystal structure of minerals by X-ray diffraction technology.

[0015] Preferably, the physical property analysis includes density test: measuring the density value of mineral raw materials using a densitometer to ensure that it meets the specified physical parameters. Density is an important factor affecting the application effect of minerals; compressive strength test: conducting a compressive strength test using a press to evaluate the stability of minerals under pressure.

[0016] Preferably, the thermal analysis includes: by detecting the mass change of mineral raw materials during heating, the moisture, volatile substances, and decomposition of impurities can be determined, thereby indirectly evaluating the purity of minerals; instrumental analysis includes: X-ray fluorescence spectrometry: irradiating the sample with X-rays and determining the types and contents of impurity elements in minerals according to the fluorescence spectra of different elements.

[0017] Preferably, in S1, the mineral raw materials are crushed by a crusher, and after crushing, they are sieved to obtain mineral powders or granules.

[0018] Preferably, in S3, the pH value of the solution is detected by a pH detector.

[0019] Compared with the prior art, the advantages of the present invention are as follows:

[0020] Accurately measure the content of the main components in mineral raw materials, detect the types and contents of impurity elements in the ore, which will have a significant impact on the processing of minerals and the performance of the final product; determine other mineral components in the mineral raw materials besides the main components, and the presence of these associated minerals may increase the difficulty of purification or affect the purity of the final product; crystal structure analysis: analyze the crystal structure of minerals through X-ray diffraction technology; use a densitometer to measure the density value of the mineral raw materials to ensure that it meets the specified physical parameters, and density is an important factor affecting the application effect of minerals; compressive strength test: use a press to conduct a compressive strength test to evaluate the stability of minerals under pressure; by detecting the mass change of mineral raw materials during the heating process, the moisture, volatile substances, and decomposition of impurities can be determined, thereby indirectly evaluating the purity of minerals; instrumental analysis includes: X-ray fluorescence spectrometry: irradiate the sample with X-rays and determine the types and contents of impurity elements in the minerals according to the fluorescence spectra of different elements;

[0021] The present invention detects and analyzes the quality and purity of mineral raw materials, and selects enzyme preparations according to the quality and purity of the mineral raw materials, which can improve the enzymatic hydrolysis effect. Brief Description of the Drawings

[0022] Figure 1 It is a flow chart of the high-temperature enzymatic hydrolysis extraction process of mineral elements superfine particles proposed by the present invention. Detailed Embodiments

[0023] Next, the technical solutions in this embodiment will be clearly and completely described in conjunction with the drawings in this embodiment. Obviously, the described embodiments are only a part of the embodiments of this embodiment, rather than all the embodiments.

[0024] Embodiment 1

[0025] Refer to Figure 1 , the high-temperature enzymatic hydrolysis extraction process of mineral elements superfine particles includes the following steps:

[0026] S1. Process the raw materials to remove impurities and soil, and then naturally dry or low-temperature dry them, and crush the dried raw materials into particles or powders;

[0027] S2. Detect and analyze the quality and purity of the mineral raw materials;

[0028] S3. Select enzyme preparations according to the quality and purity of the mineral raw materials, prepare the buffer solution required for the enzymatic hydrolysis reaction, mix the enzyme preparations with the buffer solution, and adjust the pH value to obtain an enzyme solution;

[0029] S4. Mix the crushed mineral raw materials with the enzyme solution and heat to enable the enzyme to react efficiently with the elements in the minerals;

[0030] S5. After the reaction is completed, the solution containing the target element is separated from the unreacted mineral residue by filtration and centrifugation techniques; the solution containing the target element is further purified by extraction techniques to obtain high-purity mineral elements.

[0031] In this embodiment, in S2, the detection and analysis of the quality and purity of the mineral raw material include chemical composition analysis, mineralogical characteristic analysis, physical property analysis, thermal analysis, and instrumental analysis.

[0032] In this embodiment, the chemical composition analysis includes the determination of main components: accurately measuring the content of main components in the mineral raw material, and detecting the types and contents of impurity elements in the ore, which will have a significant impact on the processing of the mineral and the performance of the final product.

[0033] In this embodiment, the mineralogical characteristic analysis includes: identification of mineral composition: determining other mineral components in the mineral raw material except for the main components, and the presence of these associated minerals may increase the difficulty of purification or affect the purity of the final product; crystal structure analysis: analyzing the crystal structure of the mineral by X-ray diffraction technology.

[0034] In this embodiment, the physical property analysis includes density test: measuring the density value of the mineral raw material using a densitometer to ensure that it meets the specified physical parameters, and density is an important factor affecting the application effect of the mineral; compressive strength test: performing a compressive strength test using a press to evaluate the stability of the mineral under pressure.

[0035] In this embodiment, the thermal analysis includes: by detecting the mass change of the mineral raw material during heating, the moisture, volatile matter, and decomposition of impurities in it can be determined, thereby indirectly evaluating the purity of the mineral; the instrumental analysis includes: X-ray fluorescence spectrometry: irradiating the sample with X-rays and determining the types and contents of impurity elements in the mineral according to the fluorescence spectra of different elements.

[0036] In this embodiment, in S1, the mineral raw material is crushed by a crusher, and after crushing, it is sieved to obtain mineral powder or particles.

[0037] In this embodiment, in S3, the pH value of the solution is detected by a pH detector.

[0038] Example Two

[0039] The ultra-fine particle high-temperature enzymatic hydrolysis extraction process of mineral elements includes the following steps:

[0040] S1. Treat the raw material to remove impurities and soil, and then air-dry or low-temperature dry it naturally, and crush the dried raw material into particles or powder.

[0041] S2. Detect and analyze the quality and purity of the mineral raw material.

[0042] S3. Select an enzyme preparation according to the quality and purity of the mineral raw material, prepare the buffer solution required for the enzymatic hydrolysis reaction, mix the enzyme preparation with the buffer solution, and adjust the pH value to obtain an enzyme solution.

[0043] S4. Mix the crushed mineral raw material with the enzyme solution and heat it to enable the enzyme to react efficiently with the elements in the mineral.

[0044] S5. After the reaction is completed, separate the solution containing the target element from the unreacted mineral residue by filtration and centrifugation separation techniques; further purify the solution containing the target element by distillation technology to obtain a high-purity mineral element.

[0045] In this embodiment, in S2, the detection and analysis of the quality and purity of the mineral raw material include chemical composition analysis, mineralogical characteristic analysis, physical property analysis, thermal analysis, and instrumental analysis.

[0046] In this embodiment, the chemical composition analysis includes the determination of main components: accurately measure the content of the main components in the mineral raw material, and detect the types and contents of impurity elements in the ore, which will have a significant impact on the processing of the mineral and the performance of the final product.

[0047] In this embodiment, the mineralogical characteristic analysis includes: identification of mineral composition: determine other mineral components in the mineral raw material in addition to the main components. The presence of these associated minerals may increase the difficulty of purification or affect the purity of the final product; crystal structure analysis: analyze the crystal structure of the mineral by X-ray diffraction technology.

[0048] In this embodiment, the physical property analysis includes density inspection: use a densitometer to measure the density value of the mineral raw material to ensure that it meets the specified physical parameters. Density is an important factor affecting the application effect of the mineral; compressive strength inspection: use a press to conduct a compressive strength test to evaluate the stability of the mineral under pressure.

[0049] In this embodiment, the thermal analysis includes: by detecting the mass change of the mineral raw material during heating, the moisture, volatile matter, and decomposition of impurities in it can be determined, thereby indirectly evaluating the purity of the mineral; the instrumental analysis includes: X-ray fluorescence spectrometry: irradiate the sample with X-rays and determine the types and contents of impurity elements in the mineral according to the fluorescence spectra of different elements.

[0050] In this embodiment, in S1, the mineral raw material is crushed by a crusher, and after crushing, it is sieved to obtain mineral powder or particles.

[0051] In this embodiment, in S3, the pH value of the solution is detected by a pH detector.

[0052] Example Three

[0053] The high temperature enzymatic hydrolysis and extraction process of ultrafine particles of mineral elements comprises the following steps:

[0054] S1. Process the raw materials to remove impurities and soil, then dry them naturally or at low temperature, and crush the dried raw materials into particles or powder;

[0055] S2. Detect and analyze the quality and purity of mineral raw materials;

[0056] S3. According to the quality and purity of the mineral raw materials, an enzyme preparation is selected, a buffer solution required for the enzymatic reaction is prepared, the enzyme preparation is mixed with the buffer solution, and the pH value is adjusted to obtain an enzyme solution;

[0057] S4, mixing the crushed mineral raw material with the enzyme solution and heating them so that the enzyme can efficiently react with the elements in the mineral;

[0058] S5. After the reaction is completed, the solution containing the target element is separated from the unreacted mineral residue by filtering and centrifugal separation technology; the solution containing the target element is further purified by chromatographic separation technology to obtain high-purity mineral elements.

[0059] In this embodiment, in S2, the quality and purity of the mineral raw materials are tested and analyzed including chemical composition analysis, mineralogical characteristic analysis, physical property analysis, thermal analysis and instrumental analysis.

[0060] In this embodiment, the chemical composition analysis includes the determination of the main components: accurately measuring the content of the main components in the mineral raw materials, and detecting the types and contents of impurity elements in the ore, which will have a significant impact on the processing of the mineral and the performance of the final product.

[0061] In this embodiment, the mineralogical characteristic analysis includes: mineral composition identification: determining other mineral components in the mineral raw material except the main component. The presence of these associated minerals may increase the difficulty of purification or affect the purity of the final product; crystal structure analysis: analyzing the crystal structure of the mineral by X-ray diffraction technology.

[0062] In this embodiment, the physical property analysis includes density test: using a density meter to measure the density value of the mineral raw material to ensure that it meets the specified physical parameters. Density is an important factor affecting the application effect of the mineral; compressive strength test: using a press to perform a compressive strength test to evaluate the stability of the mineral when under pressure.

[0063] In this embodiment, the thermal analysis includes: by detecting the mass change of the mineral raw material during heating, the moisture content, volatile matter, and decomposition of impurities therein can be determined, thereby indirectly evaluating the purity of the mineral; the instrumental analysis includes: X-ray fluorescence spectrometry: irradiating the sample with X-rays and determining the types and contents of impurity elements in the mineral according to the fluorescence spectra of different elements.

[0064] In this embodiment, in S1, the mineral raw material is crushed by a crusher, and after crushing, it is sieved to obtain mineral powder or particles.

[0065] In this embodiment, in S3, the pH value of the solution is detected by a pH detector.

[0066] As mentioned above, only the specific implementation mode of this embodiment is preferred, but the protection scope of this embodiment is not limited thereto. Any person skilled in the art within the technical scope disclosed in this embodiment, according to the technical solution and inventive concept of this embodiment, makes equivalent substitutions or changes, and should be covered within the protection scope of this embodiment.

Claims

1. A high temperature enzymatic hydrolysis and extraction process of ultrafine particles of mineral elements, characterized in that: The following steps are involved: S1. Process the raw materials to remove impurities and soil, then dry them naturally or at low temperature, and crush the dried raw materials into particles or powder; S2. Detect and analyze the quality and purity of mineral raw materials; S3. According to the quality and purity of the mineral raw materials, an enzyme preparation is selected, a buffer solution required for the enzymatic reaction is prepared, the enzyme preparation is mixed with the buffer solution, and the pH value is adjusted to obtain an enzyme solution; S4, mixing the crushed mineral raw material with the enzyme solution and heating them so that the enzyme can efficiently react with the elements in the mineral; S5. After the reaction is completed, the solution containing the target element is separated from the unreacted mineral residue by filtering and centrifugal separation technology; the solution containing the target element is further purified by chromatographic separation technology to obtain high-purity mineral elements.

2. The high temperature enzymatic hydrolysis and extraction process of mineral element ultrafine particles according to claim 1, characterized in that: In S2, the quality and purity of the mineral raw materials are tested and analyzed including chemical composition analysis, mineralogical characteristic analysis, physical property analysis, thermal analysis and instrumental analysis.

3. The high temperature enzymatic hydrolysis and extraction process of mineral element ultrafine particles according to claim 2, characterized in that: The chemical composition analysis includes the determination of the main components: accurately measuring the content of the main components in the mineral raw materials, and detecting the types and contents of impurity elements in the ore, which will have a significant impact on the processing of the mineral and the performance of the final product.

4. The high temperature enzymatic hydrolysis and extraction process of mineral element ultrafine particles according to claim 3, characterized in that: The mineralogical characteristic analysis includes: mineral composition identification: determining other mineral components in the mineral raw materials except the main components. The presence of these associated minerals may increase the difficulty of purification or affect the purity of the final product; crystal structure analysis: analyzing the crystal structure of minerals through X-ray diffraction technology.

5. The high temperature enzymatic hydrolysis and extraction process of mineral element ultrafine particles according to claim 4, characterized in that: The physical property analysis includes density test: using a density meter to measure the density value of the mineral raw material to ensure that it meets the specified physical parameters. Density is an important factor affecting the application effect of the mineral; compressive strength test: using a press to perform a compressive strength test to evaluate the stability of the mineral when under pressure.

6. The high temperature enzymatic hydrolysis and extraction process of mineral element ultrafine particles according to claim 5, characterized in that: The thermal analysis includes: by detecting the mass change of the mineral raw material during the heating process, the decomposition of the moisture, volatiles and impurities therein can be determined, thereby indirectly evaluating the purity of the mineral; instrumental analysis includes: X-ray fluorescence spectrometry: using X-rays to irradiate the sample, and determining the type and content of impurity elements in the mineral based on the fluorescence spectra of different elements.

7. The high temperature enzymatic hydrolysis and extraction process of mineral element ultrafine particles according to claim 6, characterized in that: In S1, the mineral raw material is crushed by a crusher, and then sieved to obtain mineral powder or granules.

8. The high temperature enzymatic hydrolysis and extraction process of mineral element ultrafine particles according to claim 7, characterized in that: In S3, the pH value of the solution is detected by a pH detector.

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