CN106508966A - Method for preparing slow-release biomass algistat - Google Patents
Method for preparing slow-release biomass algistat Download PDFInfo
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- CN106508966A CN106508966A CN201610892954.7A CN201610892954A CN106508966A CN 106508966 A CN106508966 A CN 106508966A CN 201610892954 A CN201610892954 A CN 201610892954A CN 106508966 A CN106508966 A CN 106508966A
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- mixing
- algistat
- fermentation
- polyhydroxy
- algae
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/30—Microbial fungi; Substances produced thereby or obtained therefrom
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
Abstract
The invention relates to a method for preparing a slow-release biomass algistat, which belongs to the technical field of the preparation of the algistat. The method is characterized in that highland barley stalks and water lettuce are immersed by using alkali, binding force between fibers is weakened, the sliding of a micro cellosilk layer is promoted, liquid nitrogen is used for processing, ice crystal is formed in fibrocyte, are ground, the ice crystal in the cell walls is ruptured due to pressure effect, so that the hydroxyl fiber bundle is obtained and can be taken as an adsorption carrier, a phenolic acids substance in a plant fermentation extract product is absorbed and fixed, and finally the slow-release biomass algistat is obtained. The algae growth is inhibited by using allelopathic effect, the polyhydroxy effect of the fiber bundle is used for absorbing and fixing the phenolic acids substance, slow release effect is obvious, the algal inhibition function is excellent, and the algistat has wide application prospect.
Description
Technical field
The present invention relates to a kind of preparation method of slow release type biological matter algae-inhibiting agent, belongs to algae-inhibiting agent preparing technical field.
Background technology
In recent years, the wawter bloom problem of body eutrophication and its initiation is increasingly serious, and the landscape of water body and ecological functions are received
To having a strong impact on.In numerous researchs for administering wawter bloom, suppress the growth of algae because of its biodegradable using allelopathy
With ecological security and be increasingly subject to pay attention to.Allelochemical is the carrier of allelopathy, and phenolic acid is stronger one of activity
Class allelochemical, wherein salicylic acid, gallic acid and catechol are prevalent in the allelochemical of various plants, relatively low dense
Degree just has a stronger allelopathy, and many foreign scholars have been isolated and have studied them to algae and other plant
Inhibitory action.
The result of study of Kamaya etc. shows that salicylic acid has obvious inhibition to several green algas.Wang etc. is proved
Growth of the allelochemicals such as gallic acid to microcystic aeruginosa has obvious inhibitory action.But, these allelochemical class algal controls
Agent is all directly to throw in phenolic acid class allelochemical in water body environment, easily causes local concentration too high and other biological is caused
Have a strong impact on, and the effective time of algal control is also shorter.Therefore, using the algae-inhibiting agent with slow-release function controlling wawter bloom algae
Growth, is likely to become improvement wawter bloom more effective way.
The content of the invention
Present invention mainly solves technical problem：For current allelochemical class algae-inhibiting agent be all in water body environment directly
Phenolic acid class allelochemical is thrown in, it is too high and other biological is caused to have a strong impact on to easily cause local concentration, and algal control have
A kind of effect time shorter defect, there is provided preparation method of slow release type biological matter algae-inhibiting agent.The method first by highland barley stalk and
Water lettuce is soaked with alkali, weakens adhesion between fiber, promotes microfibrous layer to slide, and recycles liquid nitrogen to process, makes fibrocyte
Middle formation ice crystal, finally grinds, and makes the effect of being under pressure of the ice crystal in cell membrane and ruptures, so as to obtain polyhydroxy fibre bundle simultaneously
Absorption carrier is utilized it as, absorption fixation is carried out to the phenolic acid in fermented plant extract, spacetabs type is finally obtained
Biomass algae-inhibiting agent.The present invention suppresses algal grown, and the polyhydroxy using fibre bundle to act on to phenol using allelopathy
Acids allelochemical carries out absorption fixation, and not only solving current allelochemical class algae-inhibiting agent is directly thrown in water body environment
Phenolic acid class allelochemical is put, it is too high and cause the problem having a strong impact on to other biological to easily cause local concentration, and adsorbs
Phenolic acid class allelochemical after fixation has slow release effect, compensate for its algal control effective time short defect again, with wide
Application prospect.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）It is 1 in mass ratio:Highland barley stalk and water lettuce cane are placed on stone mill to be rolled with stone roller and place into after 10～15min by 1
20～30min is crushed in airslide disintegrating mill, obtains mixing fragment, by the concentration that mixing fragment immerses 5～8 times of its gross mass be
In 0.3mol/L sodium hydroxide solutions, shaking table vibration 10～12h of dipping；
（2）By the mixing debris filter after above-mentioned dipping and be laid in bamboo sieve on, immediately with liquid nitrogen spraying freeze 3～5min, treat
After its clear-cutting forestland room temperature, continue by the leaching of abovementioned steps circulation alkali, liquid nitrogen cooling treatment 3～5 times, finally by after circular treatment
Mixing fragment grinds 1～2h in being put into mortar and obtains polyhydroxy fibre bundle, standby；
（3）Weigh in the deionized water that green tea adds 5～7 times of its gross mass, be separated by filtration after boiling 10～15min and filtered
Liquid, i.e. Extraction of Green Tea liquid, are counted by weight, weigh 30～40 portions of Chinese galls, 10～20 portions of Cajeputtree Leafs, 15～25 portions of gingers
It is sequentially placed in mortar with 20～30 parts of eucalyptus robusta blades and grinds 30～40min and obtain mixture, then by mixture and Extraction of Green Tea
Liquid is 1 in mass ratio:Fermentation substrate is obtained after 1 mixing；
（4）Above-mentioned fermentation substrate is loaded in fermentation tank, aspergillus niger is accessed by inoculum concentration in fermentation substrate for 15%, and is added
The vinasse of fermentation substrate gross mass 10% and 1% alum, move it into after sealing tank mouth in 35～40 DEG C of greenhouse, heat-preservation fermentation
7～9 days, it is separated by filtration after fermentation ends and obtains filtrate, filtrate is put in high-temperature sterilization pot at sterilizing at 120～130 DEG C
10～15min of reason；
（5）It is 1 in mass ratio:5 by standby polyhydroxy fibre bundle and after above-mentioned sterilizing filtrate mixing after be put into it is high-pressure homogeneous
In machine, then the polyethylene glycol of polyhydroxy fibre bundle gross mass 10% is added in homogenizer, at homogeneous under the pressure of 3～5MPa
20～30min of reason, then the mixture after homogeneous is proceeded to into magnetic stirrer, continue 1～2h of stirring and adsorbing at 40～50 DEG C；
（6）Filter after above-mentioned stirring and adsorbing terminates, isolated filter residue puts it into baking oven, be incubated at 75～95 DEG C dry
Discharge after dry 18～20h, you can obtain slow release type biological matter algae-inhibiting agent.
The application process of the present invention：As dosage be 30～150mg/L by the present invention obtained in algae-inhibiting agent input it is pending
In water body, stand naturally.After testing, the present invention is obvious to algae inhibition, when dosage is 30～60mg/L, right
The suppression time of algae reaches 15～20 days；When dosage is 100～130mg/L, algal control rate up to more than 99%, and
Harm is not produced to other biological during algal control, with excellent sustained release algal control function.
The invention has the beneficial effects as follows：
（1）Slow release type biological matter algae-inhibiting agent raw material obtained in of the invention are easy to get, and preparation process is simple to operation, low production cost
It is honest and clean；
（2）Slow release type biological matter algae-inhibiting agent obtained in of the invention has splendid algal control performance, when dosage is 30～60mg/L
When, 15～20 days are reached to the suppression time of algae；When dosage is 100～130mg/L, algal control rate up to more than 99%, and
And harm is not produced to other biological during algal control, with excellent sustained release algal control function.
Specific embodiment
It is 1 in mass ratio:Highland barley stalk and water lettuce cane are placed on stone mill to be rolled with stone roller and put after 10～15min again by 1
20～30min is crushed in entering airslide disintegrating mill, obtains mixing fragment, by the concentration that mixing fragment immerses 5～8 times of its gross mass be
In 0.3mol/L sodium hydroxide solutions, shaking table vibration 10～12h of dipping；By the mixing debris filter after above-mentioned dipping and it is laid in
On bamboo sieve, 3～5min is freezed with liquid nitrogen spraying immediately, after its clear-cutting forestland room temperature, continue by the leaching of abovementioned steps circulation alkali, liquid
Mixing fragment after circular treatment is finally put into 1～2h of grinding in mortar and obtains polyhydroxy fiber by nitrogen cooling treatment 3～5 times
Beam, it is standby；Weigh in the deionized water that green tea adds 5～7 times of its gross mass, be separated by filtration after boiling 10～15min and filtered
Liquid, i.e. Extraction of Green Tea liquid, are counted by weight, weigh 30～40 portions of Chinese galls, 10～20 portions of Cajeputtree Leafs, 15～25 portions of gingers
It is sequentially placed in mortar with 20～30 parts of eucalyptus robusta blades and grinds 30～40min and obtain mixture, then by mixture and Extraction of Green Tea
Liquid is 1 in mass ratio:Fermentation substrate is obtained after 1 mixing；By above-mentioned fermentation substrate load fermentation tank in, by inoculum concentration be 15% to
Aspergillus niger is accessed in fermentation substrate, and adds the vinasse of fermentation substrate gross mass 10% and 1% alum, moved after sealing tank mouth
Enter in 35～40 DEG C of greenhouse, heat-preservation fermentation 7～9 days is separated by filtration after fermentation ends and obtains filtrate, filtrate is put into high temperature and gone out
In bacterium pot at 120～130 DEG C 10～15min of sterilization treatment；It is 1 in mass ratio:5 by standby polyhydroxy fibre bundle and above-mentioned
It is put in high pressure homogenizer after filtrate mixing after sterilizing, then adds the poly- of polyhydroxy fibre bundle gross mass 10% in homogenizer
Ethylene glycol, 20～30min of homogenization under the pressure of 3～5MPa, then the mixture after homogeneous is proceeded to into magnetic stirrer,
Continue 1～2h of stirring and adsorbing at 40～50 DEG C；Filter after above-mentioned stirring and adsorbing terminates, isolated filter residue puts it into baking
Case, discharges after 18～20h of heat preservation and dryness at 75～95 DEG C, you can obtain slow release type biological matter algae-inhibiting agent.
Example 1
It is 1 in mass ratio:Highland barley stalk and water lettuce cane are placed on stone mill to be rolled with stone roller and place into after 10min air-flow powder by 1
20min is crushed in broken machine, obtains mixing fragment, be 0.3mol/L hydroxides by the concentration that mixing fragment immerses 5 times of its gross mass
In sodium solution, shaking table vibration dipping 10h；By the mixing debris filter after above-mentioned dipping and be laid in bamboo sieve on, use liquid nitrogen immediately
Spray refrigeration 3min, after its clear-cutting forestland room temperature, continues, by the leaching of abovementioned steps circulation alkali, liquid nitrogen cooling treatment 3 times, finally will
Mixing fragment after circular treatment grinds 1h in being put into mortar and obtains polyhydroxy fibre bundle, standby；Weigh green tea and add its total matter
In the deionized water of 5 times of amount, it is separated by filtration after boiling 10min and obtains filtrate, be i.e. Extraction of Green Tea liquid, count by weight, weigh
30 parts of Chinese galls, 10 parts of Cajeputtree Leafs, 15 portions of gingers and 20 parts of eucalyptus robusta blades grind 30min in being sequentially placed into mortar and must mix
Thing, then be 1 in mass ratio by mixture and Extraction of Green Tea liquid:Fermentation substrate is obtained after 1 mixing；Above-mentioned fermentation substrate is loaded and is sent out
In fermentation tank, aspergillus niger is accessed by inoculum concentration in fermentation substrate for 15%, and add the vinasse and 1% of fermentation substrate gross mass 10%
Alum, move it into after sealing tank mouth in 35 DEG C of greenhouse, heat-preservation fermentation 7 days is separated by filtration after fermentation ends and obtains filtrate,
Filtrate is put into in high-temperature sterilization pot sterilization treatment 10min at 120 DEG C；It is 1 in mass ratio:5 by standby polyhydroxy fiber
It is put in high pressure homogenizer after filtrate mixing after beam and above-mentioned sterilizing, then adds polyhydroxy fibre bundle gross mass in homogenizer
10% polyethylene glycol, the homogenization 20min under the pressure of 3MPa, then the mixture after homogeneous is proceeded to into magnetic stirrer,
Continue stirring and adsorbing 1h at 40 DEG C；Filter after above-mentioned stirring and adsorbing terminates, isolated filter residue puts it into baking oven, 75
Discharge after heat preservation and dryness 18h at DEG C, you can obtain slow release type biological matter algae-inhibiting agent.
The application process of the present invention：As dosage be 30mg/L by the present invention obtained in algae-inhibiting agent input staying water
In, stand naturally.After testing, the present invention is obvious to algae inhibition, when dosage is 30mg/L, the suppression to algae
Time processed reaches 15 days；When dosage is 100mg/L, algal control rate is up to 99.2%, and not to other biological during algal control
Harm is produced, with excellent sustained release algal control function.
Example 2
It is 1 in mass ratio:Highland barley stalk and water lettuce cane are placed on stone mill to be rolled with stone roller and place into after 13min air-flow powder by 1
25min is crushed in broken machine, obtains mixing fragment, be 0.3mol/L hydroxides by the concentration that mixing fragment immerses 7 times of its gross mass
In sodium solution, shaking table vibration dipping 11h；By the mixing debris filter after above-mentioned dipping and be laid in bamboo sieve on, use liquid nitrogen immediately
Spray refrigeration 4min, after its clear-cutting forestland room temperature, continues, by the leaching of abovementioned steps circulation alkali, liquid nitrogen cooling treatment 4 times, finally will
Mixing fragment after circular treatment grinds 1h in being put into mortar and obtains polyhydroxy fibre bundle, standby；Weigh green tea and add its total matter
In the deionized water of 6 times of amount, it is separated by filtration after boiling 13min and obtains filtrate, be i.e. Extraction of Green Tea liquid, count by weight, weigh
35 parts of Chinese galls, 15 parts of Cajeputtree Leafs, 18 portions of gingers and 25 parts of eucalyptus robusta blades grind 35min in being sequentially placed into mortar and must mix
Thing, then be 1 in mass ratio by mixture and Extraction of Green Tea liquid:Fermentation substrate is obtained after 1 mixing；Above-mentioned fermentation substrate is loaded and is sent out
In fermentation tank, aspergillus niger is accessed by inoculum concentration in fermentation substrate for 15%, and add the vinasse and 1% of fermentation substrate gross mass 10%
Alum, move it into after sealing tank mouth in 38 DEG C of greenhouse, heat-preservation fermentation 8 days is separated by filtration after fermentation ends and obtains filtrate,
Filtrate is put into in high-temperature sterilization pot sterilization treatment 13min at 125 DEG C；It is 1 in mass ratio:5 by standby polyhydroxy fiber
It is put in high pressure homogenizer after filtrate mixing after beam and above-mentioned sterilizing, then adds polyhydroxy fibre bundle gross mass in homogenizer
10% polyethylene glycol, the homogenization 25min under the pressure of 4MPa, then the mixture after homogeneous is proceeded to into magnetic stirrer,
Continue stirring and adsorbing 2h at 45 DEG C；Filter after above-mentioned stirring and adsorbing terminates, isolated filter residue puts it into baking oven, 85
Discharge after heat preservation and dryness 19h at DEG C, you can obtain slow release type biological matter algae-inhibiting agent.
The application process of the present invention：As dosage be 90mg/L by the present invention obtained in algae-inhibiting agent input staying water
In, stand naturally.After testing, the present invention is obvious to algae inhibition, when dosage is 45mg/L, the suppression to algae
Time processed reaches 18 days；When dosage is 115mg/L, algal control rate is up to 99.5%, and not to other biological during algal control
Harm is produced, with excellent sustained release algal control function.
Example 3
It is 1 in mass ratio:Highland barley stalk and water lettuce cane are placed on stone mill to be rolled with stone roller and place into after 15min air-flow powder by 1
30min is crushed in broken machine, obtains mixing fragment, be 0.3mol/L hydroxides by the concentration that mixing fragment immerses 8 times of its gross mass
In sodium solution, shaking table vibration dipping 12h；By the mixing debris filter after above-mentioned dipping and be laid in bamboo sieve on, use liquid nitrogen immediately
Spray refrigeration 5min, after its clear-cutting forestland room temperature, continues, by the leaching of abovementioned steps circulation alkali, liquid nitrogen cooling treatment 5 times, finally will
Mixing fragment after circular treatment grinds 2h in being put into mortar and obtains polyhydroxy fibre bundle, standby；Weigh green tea and add its total matter
In the deionized water of 7 times of amount, it is separated by filtration after boiling 15min and obtains filtrate, be i.e. Extraction of Green Tea liquid, count by weight, weigh
40 parts of Chinese galls, 20 parts of Cajeputtree Leafs, 25 portions of gingers and 30 parts of eucalyptus robusta blades grind 30～40min in being sequentially placed into mortar and obtain
Mixture, then be 1 in mass ratio by mixture and Extraction of Green Tea liquid:Fermentation substrate is obtained after 1 mixing；Above-mentioned fermentation substrate is filled
Enter in fermentation tank, aspergillus niger is accessed by inoculum concentration in fermentation substrate for 15%, and add the vinasse of fermentation substrate gross mass 10%
Alum with 1%, moves it into after sealing tank mouth in 40 DEG C of greenhouse, and heat-preservation fermentation 9 days is separated by filtration after fermentation ends and obtains
Filtrate is put in high-temperature sterilization pot sterilization treatment 15min at 130 DEG C by filtrate；It is 1 in mass ratio:5 by standby polyhydroxy
It is put in high pressure homogenizer after filtrate mixing after fibre bundle and above-mentioned sterilizing, then in homogenizer, adds polyhydroxy fibre bundle total
The polyethylene glycol of quality 10%, the homogenization 30min under the pressure of 5MPa, then the mixture after homogeneous is proceeded to into magnetic agitation
Machine, continues stirring and adsorbing 2h at 50 DEG C；Filter after above-mentioned stirring and adsorbing terminates, isolated filter residue puts it into baking oven,
Discharge after heat preservation and dryness 20h at 95 DEG C, you can obtain slow release type biological matter algae-inhibiting agent.
The application process of the present invention：As dosage be 150mg/L by the present invention obtained in algae-inhibiting agent input staying water
In, stand naturally.After testing, the present invention is obvious to algae inhibition, when dosage is 60mg/L, the suppression to algae
Time processed reaches 20 days；When dosage is 130mg/L, algal control rate is up to 99.8%, and not to other biological during algal control
Harm is produced, with excellent sustained release algal control function.
Claims (1)
1. a kind of preparation method of slow release type biological matter algae-inhibiting agent, it is characterised in that concrete preparation process is：
（1）It is 1 in mass ratio:Highland barley stalk and water lettuce cane are placed on stone mill to be rolled with stone roller and place into after 10～15min by 1
20～30min is crushed in airslide disintegrating mill, obtains mixing fragment, by the concentration that mixing fragment immerses 5～8 times of its gross mass be
In 0.3mol/L sodium hydroxide solutions, shaking table vibration 10～12h of dipping；
（2）By the mixing debris filter after above-mentioned dipping and be laid in bamboo sieve on, immediately with liquid nitrogen spraying freeze 3～5min, treat
After its clear-cutting forestland room temperature, continue by the leaching of abovementioned steps circulation alkali, liquid nitrogen cooling treatment 3～5 times, finally by after circular treatment
Mixing fragment grinds 1～2h in being put into mortar and obtains polyhydroxy fibre bundle, standby；
（3）Weigh in the deionized water that green tea adds 5～7 times of its gross mass, be separated by filtration after boiling 10～15min and filtered
Liquid, i.e. Extraction of Green Tea liquid, are counted by weight, weigh 30～40 portions of Chinese galls, 10～20 portions of Cajeputtree Leafs, 15～25 portions of gingers
It is sequentially placed in mortar with 20～30 parts of eucalyptus robusta blades and grinds 30～40min and obtain mixture, then by mixture and Extraction of Green Tea
Liquid is 1 in mass ratio:Fermentation substrate is obtained after 1 mixing；
（4）Above-mentioned fermentation substrate is loaded in fermentation tank, aspergillus niger is accessed by inoculum concentration in fermentation substrate for 15%, and is added
The vinasse of fermentation substrate gross mass 10% and 1% alum, move it into after sealing tank mouth in 35～40 DEG C of greenhouse, heat-preservation fermentation
7～9 days, it is separated by filtration after fermentation ends and obtains filtrate, filtrate is put in high-temperature sterilization pot at sterilizing at 120～130 DEG C
10～15min of reason；
（5）It is 1 in mass ratio:5 by standby polyhydroxy fibre bundle and after above-mentioned sterilizing filtrate mixing after be put into it is high-pressure homogeneous
In machine, then the polyethylene glycol of polyhydroxy fibre bundle gross mass 10% is added in homogenizer, at homogeneous under the pressure of 3～5MPa
20～30min of reason, then the mixture after homogeneous is proceeded to into magnetic stirrer, continue 1～2h of stirring and adsorbing at 40～50 DEG C；
（6）Filter after above-mentioned stirring and adsorbing terminates, isolated filter residue puts it into baking oven, be incubated at 75～95 DEG C dry
Discharge after dry 18～20h, you can obtain slow release type biological matter algae-inhibiting agent.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117167A (en) * | 2017-12-29 | 2018-06-05 | 翟琳 | A kind of preparation method of breeding water body oxygenation agent |
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| CN102939963A (en) * | 2012-11-23 | 2013-02-27 | 安徽丰乐农化有限责任公司 | Weeding microcapsule |
| CN103726378A (en) * | 2013-12-26 | 2014-04-16 | 湖北葛店人福药用辅料有限责任公司 | Method for preparing microcrystalline cellulose at low temperature |
| CN104585243A (en) * | 2014-11-12 | 2015-05-06 | 天津农学院 | Traditional Chinese medicine composition for inhibiting microcystis aeruginosa |
| CN105191993A (en) * | 2015-09-22 | 2015-12-30 | 安徽师范大学 | Plant source algicide and preparation method thereof |
| CN105385747A (en) * | 2015-10-15 | 2016-03-09 | 南京师范大学 | Method for preparing phenolic acid compound through fatsia japonica |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102939963A (en) * | 2012-11-23 | 2013-02-27 | 安徽丰乐农化有限责任公司 | Weeding microcapsule |
| CN103726378A (en) * | 2013-12-26 | 2014-04-16 | 湖北葛店人福药用辅料有限责任公司 | Method for preparing microcrystalline cellulose at low temperature |
| CN104585243A (en) * | 2014-11-12 | 2015-05-06 | 天津农学院 | Traditional Chinese medicine composition for inhibiting microcystis aeruginosa |
| CN105191993A (en) * | 2015-09-22 | 2015-12-30 | 安徽师范大学 | Plant source algicide and preparation method thereof |
| CN105385747A (en) * | 2015-10-15 | 2016-03-09 | 南京师范大学 | Method for preparing phenolic acid compound through fatsia japonica |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108117167A (en) * | 2017-12-29 | 2018-06-05 | 翟琳 | A kind of preparation method of breeding water body oxygenation agent |
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Application publication date: 20170322 |