CN110813205A - Mode for removing pesticide residues in natural product extract - Google Patents
Mode for removing pesticide residues in natural product extract Download PDFInfo
- Publication number
- CN110813205A CN110813205A CN201910706605.5A CN201910706605A CN110813205A CN 110813205 A CN110813205 A CN 110813205A CN 201910706605 A CN201910706605 A CN 201910706605A CN 110813205 A CN110813205 A CN 110813205A
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- pesticide
- natural product
- pesticide residues
- water
- product extract
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0203—Solvent extraction of solids with a supercritical fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0403—Solvent extraction of solutions which are liquid with a supercritical fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a mode for removing pesticide residues in a natural product extract, which comprises the following steps of washing, extracting, ozone, crushing and membrane separation technologies, wherein the natural product is washed by purified water for extraction, so that the natural product is convenient to be operated next step, a washing agent is dissolved into water by washing, degraded microorganisms are added into the water, and the washing agent reaches the national standard through a natural developing agent and a foaming agent; the mode for removing the pesticide residues in the natural product extract is characterized in that the natural product extract is subjected to initial water washing by water washing, the pesticide residues are reduced by a detergent, the pesticide residues are extracted by an extraction method and subjected to solvent analysis, the pesticide residues are decomposed and broken by an ozone method, highly toxic components in the pesticide are broken by a breaking method, the harm of the pesticide to a human body is greatly reduced, the pesticide is separated by a membrane separation technology, and the pesticide residues are thoroughly removed.
Description
Technical Field
The invention relates to the technical field of carbon nano tubes, in particular to a mode for removing pesticide residues in natural product extracts.
Background
The natural product refers to components or metabolites thereof in animals, plant extracts (plant extracts for short) or insects, marine organisms and microorganisms, and a plurality of endogenous chemical components in human bodies and animals, which are collectively referred to as natural products, and mainly comprises proteins, polypeptides, amino acids, nucleic acids, various enzymes, monosaccharides, oligosaccharides, polysaccharides, glycoproteins, resins, colloidal substances, lignin, vitamins, fats, oils, waxes, alkaloids, volatile oils, flavones, glycosides, terpenes, phenylpropanoids, organic acids, phenols, quinones, lactones, steroids, tannins, antibiotics and other naturally occurring chemical components.
Disclosure of Invention
The invention aims to provide a mode for removing pesticide residues in natural product extracts, which has the advantages of clean removal, high cleaning speed and removal in various modes and solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a mode for removing pesticide residues in a natural product extract comprises water washing, an extraction method, an ozone method, a crushing method and a membrane separation technology, wherein the water washing is used for washing the natural product by purified water to extract the natural product, so that the natural product can be conveniently subjected to the next operation;
the water washing is to melt the detergent into water and add degraded microorganisms into the water, the detergent reaches the national standard through the contained natural developing agent and foaming agent, the natural developing agent and the foaming agent clean the pesticide residue in the extract, and the microorganisms reduce the pesticide residue.
Preferably, the extraction method adopts an extraction kettle to remove pesticide residues, irregular random metal seasonings are arranged in the extraction kettle, pesticide residues in the natural extract are extracted by adopting static and dynamic combination to generate a near CO2 fluid, and the solvent is resolved by CO 2.
Preferably, the ozone method decomposes and breaks down pesticide residues through ozone, the ozone generates a reduction reaction in water to generate monatomic oxygen and amino groups with extremely strong oxidizing ability, the pesticide residues in the extract are instantaneously decomposed, and pesticide molecules are broken to generate small molecule products which are dissolved in the water.
Preferably, the crushing method adopts organophosphorus degrading enzyme to crush the highly toxic components in the pesticide, and the organophosphorus degrading enzyme can react with the pesticide to quickly remove pesticide residues.
Preferably, the membrane separation technology adopts microfiltration, ultrafiltration and nanofiltration, wherein the microfiltration is to intercept suspended matters such as particles, bacteria and the like larger than the pore diameter of the microporous membrane in the filtrate for primary membrane separation and pesticide removal by utilizing the pore diameter of the microporous membrane and taking pressure difference as a driving force.
Preferably, the ultrafiltration is performed by a membrane process taking pressure difference as driving force, and macromolecular solutes in the solution are intercepted by a membrane screening mechanism, so that the macromolecular solutes are separated from the solvent and small molecules, and the pesticide is removed by secondary membrane separation.
Preferably, the nanofiltration is a membrane filtration process between ultrafiltration and reverse osmosis, which can intercept solutes that can pass through ultrafiltration and let solutes that cannot pass through reverse osmosis membrane, and nanofiltration can intercept small-molecule organic compounds and at the same time elute inorganic ions to perform membrane separation three times to remove pesticides.
Compared with the prior art, the invention has the following beneficial effects: according to the mode for removing the pesticide residues in the natural product extract, initial water washing is carried out through water washing, the pesticide residues are reduced through a detergent, the pesticide residues are extracted through an extraction method, a solvent is analyzed, the pesticide residues are decomposed and broken through an ozone method, highly toxic components in the pesticide are broken through a breaking method, the harm of the pesticide to a human body is greatly reduced, the pesticide is separated through a membrane separation technology, and the pesticide residues are thoroughly removed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
The specific implementation, a mode of removing pesticide residue in natural product extract, including water washing, extraction, ozone, crushing and membrane separation technology, the water washing is used for cleaning natural product extraction through purified water, the natural product is convenient for the next operation, the extraction method adopts an extraction kettle to remove pesticide residue, irregular random metal seasonings are arranged in the extraction kettle, static and dynamic combined CO2 fluid is used for extracting pesticide residue in the natural extract, the CO2 is used for resolving solvent, the ozone method is used for decomposing and breaking the pesticide residue through ozone, the ozone is subjected to reduction reaction in water to generate monatomic oxygen and amino with strong oxidizing power, the pesticide residue in the extract is instantaneously decomposed, the pesticide molecule is broken to generate micromolecule product, the crushing method adopts organophosphorus degrading enzyme to break virulent component in pesticide, the organophosphorus degrading enzyme can chemically react with pesticide, the method is characterized in that pesticide residues are rapidly removed, the membrane separation technology adopts microfiltration, ultrafiltration and nanofiltration, the microfiltration is a membrane process which uses the pore size of a microporous membrane and intercepts suspended matters such as particles, bacteria and the like larger than the pore size of the membrane in filtrate under the condition that pressure difference is driving force to carry out primary membrane separation and remove pesticides, the ultrafiltration is carried out by using the pressure difference as driving force, macromolecular solutes in solution are intercepted through a membrane screening mechanism, so that the macromolecular solutes are separated from a solvent and small molecules, secondary membrane separation and pesticide removal are carried out, the nanofiltration is a membrane filtration process between ultrafiltration and reverse osmosis, solutes which can pass through ultrafiltration can be intercepted, solutes which cannot pass through a reverse osmosis membrane can be let to pass through, in the filtration process , the nanofiltration can intercept micromolecular organic compounds , and simultaneously permeate out inorganic ions, and carry out tertiary membrane separation and pesticide removal;
The water washing is carried out to dissolve the detergent into the water and degraded microorganisms are added into the water, the detergent reaches the national standard through the contained natural developing agent and foaming agent, the natural developing agent and the foaming agent are used for cleaning the pesticide residue in the extract, and the microorganisms are used for reducing the pesticide residue.
Example 1:
(1) pouring the natural product extract into water, and adding a detergent into the water;
(2) pouring a detergent into water, cleaning the natural product extract, cutting the natural product extract into pieces capable of being mixed with the water after cleaning, mixing the natural product with the water, pouring the mixture into an extraction kettle, and performing natural pesticide residue extraction on the irregular scattered water-feeding seasonings in the extraction kettle through static and dynamic combination of phosphorus-producing CO2 fluid;
(3) pouring the extracted natural product extract into ozone water, wherein the ozone generates a reduction reaction in the ozone water to generate monatomic oxygen and amino with extremely strong oxidizing ability, so that the pesticide residues in the extract are instantly decomposed, pesticide molecules are broken to generate micromolecular products, the micromolecular products are dissolved in the water, and the pesticide residues in the natural product are greatly reduced after the ozone passes through the pesticide;
(4) pouring the product into organophosphorus degrading enzyme, and breaking virulent components in the pesticide by the organophosphorus degrading enzyme;
(5) the product is processed by membrane separation technology, and the micro-filtration is carried out by utilizing the aperture size of a microporous membrane, under the driving force of pressure difference, the suspended matters such as particles, bacteria and the like larger than the membrane pore diameter in the filtrate are intercepted to carry out primary membrane separation to remove the pesticide, the ultrafiltration is carried out by a membrane process taking pressure difference as driving force, the macromolecular solutes in the solution are intercepted by a membrane screening mechanism, the macromolecular solutes are separated from the solvent and the micromolecules, secondary membrane separation is carried out to remove the pesticide, nanofiltration is a membrane filtration process between ultrafiltration and reverse osmosis, which can trap solutes that can pass through ultrafiltration, and allow solutes that cannot pass through the reverse osmosis membrane, in the filtering process , nanofiltration can intercept small molecule organic compound , and at the same time, permeate out inorganic ions, carry out membrane separation for three times to remove pesticide, and when the removal is completed, the removal of pesticide residue in natural products is completed.
The working principle is as follows: the invention relates to a mode for removing pesticide residue in natural product extract, after washing, the pesticide residue is reduced under the washing of a detergent, the natural product extract after washing is crushed and poured into water, the natural product extract is dissolved in the water, the natural product extract melted into the water is poured into an extraction kettle for extraction, the extraction kettle adopts irregular random metal seasonings and carries out natural extraction of pesticide residue through static and dynamic combination of CO2, the extracted natural product extract is poured into ozone water, the ozone generates reduction reaction in the water to generate monatomic oxygen and amino with strong oxidizing power, the pesticide residue in the extract is instantly decomposed, the pesticide molecule is broken to generate micromolecule product to be dissolved in the water, the pesticide residue is broken and dissolved in the water, the natural product extract after the ozone method is broken, the organophosphorus degrading enzyme generates chemical reaction with pesticide, breaking the highly toxic components in the pesticide, carrying out membrane separation on the natural product extract by a breaking method, wherein the membrane separation technology adopts microfiltration, ultrafiltration and nanofiltration, the microfiltration passes through the pore size of a microporous membrane, particles, bacteria and other suspended matters in the filtrate which are larger than the pore size of the membrane are intercepted under the condition that the pressure difference is taken as a driving force, the microfiltration is carried out to remove the pesticide, the ultrafiltration is carried out on the natural product extract which is subjected to the microfiltration, the ultrafiltration passes through a membrane process that the pressure difference is taken as a driving force, macromolecular solutes in the solution are intercepted by a membrane screening mechanism, so that the macromolecular solutes are separated from a solvent and small molecules, the secondary membrane separation is carried out to remove the pesticide, the ultrafiltration is carried out on the natural product extract, the nanofiltration is a membrane filtration process between the ultrafiltration and the reverse osmosis, solutes which can pass through the ultrafiltration can be intercepted, and solutes which cannot, in the filtering process , nanofiltration can intercept small molecule organic compound , and at the same time, permeate out inorganic ions, and carry out membrane separation for three times to remove pesticide, and after the steps, the pesticide residue in the natural product extract is removed.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A mode for removing pesticide residues in natural product extracts is characterized in that: the method comprises the steps of washing, extracting, ozone, crushing and membrane separation, wherein the natural product is washed by purified water for extraction, so that the natural product can be conveniently subjected to the next operation;
the water washing is to melt the detergent into water and add degraded microorganisms into the water, the detergent reaches the national standard through the contained natural developing agent and foaming agent, the natural developing agent and the foaming agent clean the pesticide residue in the extract, and the microorganisms reduce the pesticide residue.
2. The method for removing pesticide residues in the natural product extract as claimed in claim 1, wherein the natural product extract comprises: the extraction method adopts an extraction kettle to remove pesticide residues, irregular random metal seasonings are arranged in the extraction kettle, static and dynamic combined adjacent CO2 fluid is adopted to extract the pesticide residues in the natural extract, and the solvent is resolved through CO 2.
3. The method for removing pesticide residues in the natural product extract as claimed in claim 1, wherein the natural product extract comprises: the ozone method decomposes and breaks pesticide residues through ozone, the ozone generates a reduction reaction in water to generate monatomic oxygen and amino with strong oxidizing ability, the pesticide residues in the extract are instantaneously decomposed, and pesticide molecules are broken to generate micromolecule products which are dissolved in the water.
4. The method for removing pesticide residues in the natural product extract as claimed in claim 1, wherein the natural product extract comprises: the crushing method adopts organophosphorus degrading enzyme to crush the highly toxic components in the pesticide, and the organophosphorus degrading enzyme can react with the pesticide to quickly remove pesticide residues.
5. The method for removing pesticide residues in the natural product extract as claimed in claim 1, wherein the natural product extract comprises: the membrane separation technology adopts microfiltration, ultrafiltration and nanofiltration, wherein the microfiltration is to intercept suspended matters such as particles, bacteria and the like larger than the pore diameter of a microporous membrane in filtrate for primary membrane separation and pesticide removal by utilizing the pore diameter of the microporous membrane and taking pressure difference as a driving force.
6. The method for removing pesticide residues in the natural product extract as claimed in claim 1 or 5, wherein the natural product extract comprises: the ultrafiltration is carried out by a membrane process taking pressure difference as driving force, and macromolecular solutes in the solution are intercepted by a screening mechanism of the membrane, so that the macromolecular solutes are separated from the solvent and the micromolecules, secondary membrane separation is carried out to remove the pesticide, inorganic ions are simultaneously separated out through permeation, and tertiary membrane separation is carried out to remove the pesticide.
7. The method for removing pesticide residues in the natural product extract as claimed in claim 1 or 5, wherein the nanofiltration is a membrane filtration process between ultrafiltration and reverse osmosis, which can intercept solutes that can pass through the ultrafiltration and allow solutes that cannot pass through the reverse osmosis membrane, and during the filtration process, nanofiltration can intercept small-molecule organic compounds and at the same time elute inorganic ions for three times of membrane separation to remove pesticides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706605.5A CN110813205A (en) | 2019-08-01 | 2019-08-01 | Mode for removing pesticide residues in natural product extract |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910706605.5A CN110813205A (en) | 2019-08-01 | 2019-08-01 | Mode for removing pesticide residues in natural product extract |
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| CN110813205A true CN110813205A (en) | 2020-02-21 |
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| CN201910706605.5A Pending CN110813205A (en) | 2019-08-01 | 2019-08-01 | Mode for removing pesticide residues in natural product extract |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200835A (en) * | 2021-04-28 | 2021-08-03 | 晨光生物科技集团股份有限公司 | Method for removing various harmful substances in capsorubin |
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| CN101176491A (en) * | 2006-11-11 | 2008-05-14 | 大闽食品（漳州）有限公司 | Method for processing instant tea powder without pesticide residue |
| CN102342338A (en) * | 2011-07-01 | 2012-02-08 | 广东正源华茶生物工程有限公司 | Method for separating and preparing instant tea by use of multilayer membranes |
| CN102698466A (en) * | 2012-06-13 | 2012-10-03 | 晨光生物科技集团股份有限公司 | Method for removing pesticide residues in natural extract |
| CN104096381A (en) * | 2014-07-09 | 2014-10-15 | 郑州大学 | Method for extracting effective components of natural products through mixing of ethyl alcohol and sub-critical fluid |
| CN105560339A (en) * | 2016-01-20 | 2016-05-11 | 西安赛邦生物技术有限公司 | Extraction and purification method for removing pesticide residues in fiveleaf gynostemma herb |
| KR20160058218A (en) * | 2014-11-04 | 2016-05-25 | 주식회사 한국인삼공사 | Method of Removing Residual Agricultural Chemicals from Plant |
-
2019
- 2019-08-01 CN CN201910706605.5A patent/CN110813205A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176491A (en) * | 2006-11-11 | 2008-05-14 | 大闽食品（漳州）有限公司 | Method for processing instant tea powder without pesticide residue |
| CN102342338A (en) * | 2011-07-01 | 2012-02-08 | 广东正源华茶生物工程有限公司 | Method for separating and preparing instant tea by use of multilayer membranes |
| CN102698466A (en) * | 2012-06-13 | 2012-10-03 | 晨光生物科技集团股份有限公司 | Method for removing pesticide residues in natural extract |
| CN104096381A (en) * | 2014-07-09 | 2014-10-15 | 郑州大学 | Method for extracting effective components of natural products through mixing of ethyl alcohol and sub-critical fluid |
| KR20160058218A (en) * | 2014-11-04 | 2016-05-25 | 주식회사 한국인삼공사 | Method of Removing Residual Agricultural Chemicals from Plant |
| CN105560339A (en) * | 2016-01-20 | 2016-05-11 | 西安赛邦生物技术有限公司 | Extraction and purification method for removing pesticide residues in fiveleaf gynostemma herb |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200835A (en) * | 2021-04-28 | 2021-08-03 | 晨光生物科技集团股份有限公司 | Method for removing various harmful substances in capsorubin |
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Application publication date: 20200221 |