CN104872559A - Method for removing pesticide residue from fine wheat seedling powder - Google Patents
Method for removing pesticide residue from fine wheat seedling powder Download PDFInfo
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- CN104872559A CN104872559A CN201510040884.8A CN201510040884A CN104872559A CN 104872559 A CN104872559 A CN 104872559A CN 201510040884 A CN201510040884 A CN 201510040884A CN 104872559 A CN104872559 A CN 104872559A
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- wheat seeding
- meal
- aqueous solution
- wheat seedling
- seedling powder
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Abstract
A method for removing pesticide residue from fine wheat seedling powder comprises the following concrete steps: crushing and sieving; using a sodium bicarbonate aqueous solution for immersing: immersing by adding the sodium bicarbonate aqueous solution at the concentration of 1-5% into a coarse wheat seedling powder; carrying out centrifugal separation: centrifuging the well-immersed coarse wheat seedling powder solution with a 300-mesh bag centrifuge, and leaching with tap water until pH is 6.5-7.0 so as to obtain a water-containing coarse wheat seedling powder; using an EDTA-2Na aqueous solution for immersing: adding an EDTA-2Na aqueous solution at the concentration of 0.05-0.25% into the water-containing coarse wheat seedling powder and immersing for 10-30 min; carrying out plate-frame pressure filtration: carrying out plate-frame pressure filtration on the coarse wheat seedling powder solution immersed with the EDTA-2Na aqueous solution, leaching with tap water until pH is 6.5-7.0, and blow-drying with compressed air to obtain a re-treated water-containing coarse wheat seedling powder; drying: drying by sending the re-treated water-containing coarse wheat seedling powder into a drying oven; and crushing and sieving: crushing the dried coarse wheat seedling powder and sieving through a 100-mesh sieve so as to obtain a fine wheat seedling powder.
Description
Technical field
The invention belongs to modern agricultural technology field, relate to a kind of method removing wheat seeding fine powder Pesticide Residues.
Background technology
Due to the agricultural byproducts in modern times, in growth course, all can spray a lot of agricultural chemicals, so become more and more important for the cleaning of agricultural byproducts, and existing cleaning agent is mostly by commercial synthesis, if cannot clean after a procedure thoroughly, damages human body.Meanwhile, along with the quick raising of living standard, the demand of the people to multielement nutrition element strengthens further, and particularly the problem of wheat seeding residues of pesticides also causes the attention of society further.How deep processing is carried out to wheat seeding fine powder and improve added value, the amount of increasing export, remove residues of pesticides to greatest extent simultaneously, ensure that people are healthy, become the problem needing solution badly.
Summary of the invention
Technical problem solved by the invention is to provide a kind of method removing wheat seeding fine powder Pesticide Residues, to solve the shortcoming in above-mentioned background technology.
Remove a method for wheat seeding fine powder Pesticide Residues, concrete steps are:
1, pulverize and sieve: dry wheat seeding raw material was pulverized 40 mesh sieves, obtains wheat seeding meal.
2, sodium bicarbonate aqueous solution soaking: adding concentration in wheat seeding meal is the 1-5% sodium bicarbonate aqueous solution, soaks 0.5-2 hour.
3, centrifugation: by soaked wheat seeding meal solution 300 order cloth bag centrifuge, is 6.5-7.0 with running water drip washing to PH, obtains moisture wheat seeding meal.
4, EDTA-2Na aqueous solution soaking: adding concentration in moisture wheat seeding meal is the 0.05-0.25%EDTA-2Na aqueous solution, soaks 10-30 minute.
5, plate compression: by the wheat seeding meal solution plate compression of EDTA-2Na aqueous solution soaking, is 6.5-7.0 with running water drip washing to PH, dries up, obtain the moisture wheat seeding meal of after-treatment with compressed air.
6, dry: to send baking oven by the moisture wheat seeding meal of after-treatment, 90-100 DEG C of dry 12-24 hour.
7, pulverize and sieve: the wheat seeding meal of drying was pulverized 100 sieves, and obtained wheat seeding fine powder.
Detailed description of the invention
Embodiment 1
Dry wheat seeding raw material was pulverized 40 mesh sieves, obtains wheat seeding meal, adding concentration is the 1.5% sodium bicarbonate aqueous solution, soak 0.5 hour, with 300 order cloth bag centrifuge, running water drip washing is 6.5-7.0 to PH, add the 0.1%EDTA-2Na aqueous solution again, soak 15 minutes, with plate compression, running water drip washing is to PH6.5-7.0, dry up with compressed air, send baking oven by the wheat seeding meal handled well, 90-100 DEG C of drying 14 hours, dry product was pulverized 100 mesh sieves, obtained wheat seeding fine powder.Agriculture residual by analysis reaches export standard completely.
Embodiment 2
Dry wheat seeding raw material was pulverized 40 mesh sieves, obtains wheat seeding meal, adding concentration is the 2.5% sodium bicarbonate aqueous solution, soak 0.5 hour, with 300 order cloth bag centrifuge, running water drip washing is 6.5-7.0 to PH, add the 0.15%EDTA-2Na aqueous solution again, soak 20 minutes, with plate compression, running water drip washing is to PH6.5-7.0, dry up with compressed air, send baking oven by the wheat seeding meal handled well, 90-100 DEG C of drying 16 hours, dry product was pulverized 100 mesh sieves, obtained wheat seeding fine powder.Agriculture residual by analysis reaches export standard completely.
Embodiment 3
Dry wheat seeding raw material was pulverized 40 mesh sieves, obtains wheat seeding meal, adding concentration is the 2.0% sodium bicarbonate aqueous solution, soak 1.5 hours, with 300 order cloth bag centrifuge, running water drip washing is 6.5-7.0 to PH, add the 0.2%EDTA-2Na aqueous solution again, soak 25 minutes, with plate compression, running water drip washing is to PH6.5-7.0, dry up with compressed air, send baking oven by the wheat seeding meal handled well, 90-100 DEG C of drying 18 hours, dry product was pulverized 100 mesh sieves, obtained wheat seeding fine powder.Agriculture residual by analysis reaches export standard completely.
Embodiment 4
Dry wheat seeding raw material was pulverized 40 mesh sieves, obtains wheat seeding meal, adding concentration is the 3.5% sodium bicarbonate aqueous solution, soak 2.0 hours, with 300 order cloth bag centrifuge, running water drip washing is 6.5-7.0 to PH, add the 0.25%EDTA-2Na aqueous solution again, soak 30 minutes, with plate compression, running water drip washing is to PH6.5-7.0, dry up with compressed air, send baking oven by the wheat seeding meal handled well, 90-100 DEG C of drying 22 hours, dry product was pulverized 100 mesh sieves, obtained wheat seeding fine powder.Agriculture residual by analysis reaches export standard completely.
Claims (1)
1. remove a method for wheat seeding fine powder Pesticide Residues, concrete steps are:
(1) pulverize and sieve: dry wheat seeding raw material was pulverized 40 mesh sieves, obtains wheat seeding meal;
(2) sodium bicarbonate aqueous solution soaking: adding concentration in wheat seeding meal is the 1-5% sodium bicarbonate aqueous solution, soaks 0.5-2 hour;
(3) centrifugation: by soaked wheat seeding meal solution 300 order cloth bag centrifuge, is 6.5-7.0 with running water drip washing to PH, obtains moisture wheat seeding meal;
(4) EDTA-2Na aqueous solution soaking: adding concentration in moisture wheat seeding meal is the 0.05-0.25%EDTA-2Na aqueous solution, soaks 10-30 minute;
(5) plate compression: by the wheat seeding meal solution plate compression of EDTA-2Na aqueous solution soaking, is 6.5-7.0 with running water drip washing to PH, dries up, obtain the moisture wheat seeding meal of after-treatment with compressed air;
(6) dry: to send baking oven by the moisture wheat seeding meal of after-treatment, 90-100 DEG C of dry 12-24 hour;
(7) pulverize and sieve: the wheat seeding meal of drying was pulverized 100 sieves, and obtained wheat seeding fine powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510040884.8A CN104872559A (en) | 2015-01-23 | 2015-01-23 | Method for removing pesticide residue from fine wheat seedling powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510040884.8A CN104872559A (en) | 2015-01-23 | 2015-01-23 | Method for removing pesticide residue from fine wheat seedling powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104872559A true CN104872559A (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510040884.8A Pending CN104872559A (en) | 2015-01-23 | 2015-01-23 | Method for removing pesticide residue from fine wheat seedling powder |
Country Status (1)
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| CN (1) | CN104872559A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304689A (en) * | 2000-12-16 | 2001-07-25 | 胡忠义 | Process for preparing wheat seedling powder |
| CN1398956A (en) * | 2002-08-26 | 2003-02-26 | 宋光泉 | Vegetable and fruit detoxicating agent and its prepn |
| CN102362646A (en) * | 2011-08-24 | 2012-02-29 | 安徽国特农业食品有限公司 | Processing method of barley grass powder |
| CN103960556A (en) * | 2014-04-30 | 2014-08-06 | 防城港市农产品质量安全检测中心 | Method for removing pesticide residues on fruits and vegetables |
-
2015
- 2015-01-23 CN CN201510040884.8A patent/CN104872559A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304689A (en) * | 2000-12-16 | 2001-07-25 | 胡忠义 | Process for preparing wheat seedling powder |
| CN1398956A (en) * | 2002-08-26 | 2003-02-26 | 宋光泉 | Vegetable and fruit detoxicating agent and its prepn |
| CN102362646A (en) * | 2011-08-24 | 2012-02-29 | 安徽国特农业食品有限公司 | Processing method of barley grass powder |
| CN103960556A (en) * | 2014-04-30 | 2014-08-06 | 防城港市农产品质量安全检测中心 | Method for removing pesticide residues on fruits and vegetables |
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Application publication date: 20150902 |