CN109704386A - A kind of biogas residue fertilizing method conducive to farmland volume increase - Google Patents
A kind of biogas residue fertilizing method conducive to farmland volume increase Download PDFInfo
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- CN109704386A CN109704386A CN201910045900.0A CN201910045900A CN109704386A CN 109704386 A CN109704386 A CN 109704386A CN 201910045900 A CN201910045900 A CN 201910045900A CN 109704386 A CN109704386 A CN 109704386A
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- biogas residue
- conducive
- farmland
- volume increase
- fertilizing method
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 13
- 239000002608 ionic liquid Substances 0.000 claims description 21
- -1 Amino acid ion Chemical class 0.000 claims description 18
- 235000001014 amino acid Nutrition 0.000 claims description 18
- 238000000855 fermentation Methods 0.000 claims description 8
- 230000004151 fermentation Effects 0.000 claims description 8
- DBBFFYXLECNESF-WCCKRBBISA-N (2s)-2-amino-3-methylbutanoic acid;nitric acid Chemical compound O[N+]([O-])=O.CC(C)[C@H](N)C(O)=O DBBFFYXLECNESF-WCCKRBBISA-N 0.000 claims description 7
- XPFAJCSMHOQBQB-UHFFFAOYSA-N 2-aminoacetic acid;nitric acid Chemical compound O[N+]([O-])=O.NCC(O)=O XPFAJCSMHOQBQB-UHFFFAOYSA-N 0.000 claims description 7
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims description 7
- 229910002651 NO3 Inorganic materials 0.000 claims description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 7
- 230000004720 fertilization Effects 0.000 claims description 7
- 235000013922 glutamic acid Nutrition 0.000 claims description 7
- 239000004220 glutamic acid Substances 0.000 claims description 7
- 239000010871 livestock manure Substances 0.000 claims description 7
- 239000010902 straw Substances 0.000 claims description 7
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000010802 sludge Substances 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 239000003818 cinder Substances 0.000 claims 1
- 239000003337 fertilizer Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 235000015097 nutrients Nutrition 0.000 abstract description 6
- 238000004090 dissolution Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000010792 warming Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003895 organic fertilizer Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000019750 Crude protein Nutrition 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012056 semi-solid material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/22—Methane [CH4], e.g. from rice paddies
Landscapes
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to biogas residue fertilizer technical fields, and in particular to a kind of biogas residue fertilizing method conducive to farmland volume increase.The present invention is modified processing to biogas residue using amino acid ion liquid, passes through CO2The mode of first supercritical processing effectively increases the dissolution of biogas residue nutrient, and further passes through the bonding reaction of amino acid ion liquid and biogas residue, reduces the loss of nutrient, effectively increases the farmland effect of increasing production of biogas residue, further improve crop yield.
Description
Technical field
The invention belongs to biogas residue fertilizer technical fields, and in particular to a kind of biogas residue fertilizing method conducive to farmland volume increase.
Background technique
Biogas residue is to remain in the semi-solid material of biogas bottom of pond portion after biogas fermentation, organic matter rich in, humic acid,
Crude protein, nitrogen, phosphorus, potassium and various trace elements and auximone.With the sustainable development of the ecological agriculture, people develop natural pond
The enthusiasm of the gas ecological agriculture is higher and higher, and also gradually causes the concern of people for the recycling of residue biogas residue, and gradually
Develop multiple use.
It is reported that biogas residue outside rich in organic matter and nitrogen abundant, phosphorus, potassium and a large amount of element, also contains to work
The microelements such as boron, copper, iron, manganese, the zinc that object growth plays an important role, make it have the potentiality as farmland organic fertilizer.But
Other common fertilizers or organic fertilizer must also be cooperated to use the application of biogas residue fertilizer in the prior art.This is mainly due to natural ponds
The dissolution of slag nutritional ingredient during fertilising is more difficult, and is easily lost, and is unfavorable for farmland volume increase.Even existing skill
It has been based on biogas residue in art and has developed a variety of agricultural compound organic fertilizers, but still lower, the base of degree is conducive to for biogas residue nutritional ingredient
In biogas residue effect to farmland volume increase the effect is unsatisfactory.Therefore, no matter a kind of volume increase fertilizing method based on biogas residue is developed
It is to all have positive meaning for the direct using in farmland of biogas residue or the further development and utilization of the compound fertilizer based on biogas residue
Justice.
Summary of the invention
For this purpose, technical problem to be solved by the present invention lies in a kind of biogas residue fertilizing method conducive to farmland volume increase is provided,
To solve the problems, such as that biogas residue nutritional ingredient availability is lower in the prior art.
In order to solve the above technical problems, a kind of biogas residue fertilizing method conducive to farmland volume increase of the present invention, including will
Biogas residue is placed in the closed container equipped with ionic liquid, in the case where not being in contact with the ionic liquid, to the biogas residue
Carry out CO2The step of first supercritical processing.
Preferably, the ionic liquid is amino acid ion liquid.
Specifically, the ionic liquid includes glycine nitrate, glutamic acid nitrate and/or valine nitrate.
Preferably, the addition volume of the ionic liquid accounts for the 0.5-1% of reaction vessel volume.
Preferably, the temperature of the supercritical process step be 40-60 DEG C, pressure 20-30MPa.
Preferably, the supercritical process step time is 5-15min.
Specifically, the biogas residue includes biogas residue, the biogas residue or dirt of fermentation of plant straws formation that livestock manure fermented is formed
The biogas residue that mud is formed.
It preferably, further include that the biogas residue is crushed and carries out vacuum drying step before the supercritical process step
Suddenly.
Preferably, the method also includes carrying out farmland fertilization for the biogas residue after first supercritical processing.
The invention also discloses application of the biogas residue fertilizing method for being conducive to farmland volume increase in field of agricultural cultivation.
The present invention is modified processing to biogas residue using amino acid ion liquid, passes through CO2The mode of first supercritical processing, has
Effect increases the dissolution of biogas residue nutrient, and further passes through the bonding reaction of amino acid ion liquid and biogas residue, reduces
The loss of nutrient effectively increases the farmland effect of increasing production of biogas residue, further improves crop yield.
Specific embodiment
Embodiment 1
The step of the present embodiment carries out fertilizer treatment to biogas residue specifically comprises the following steps:
(1) biogas residue for taking livestock manure fermented to be formed is blended and is dried in vacuo with pulverizer, until moisture content is lower than
10%；
(2) equipped with valine nitrate ionic liquid closed container in, control the biogas residue with the ionic liquid
Body does not contact, and the addition volume of the valine nitrate accounts for the 0.5% of the reaction vessel volume；
(3) reaction vessel is carried out being warming up to 40 DEG C, and air is discharged, then to being filled with CO in container2Gas, and adjust
The pressure of the closed container inner space is 30MPa, and closed container inner space is made to be in supercritical CO2State is located
After managing 5min, pressure release at a slow speed obtains treated biogas residue product.
Embodiment 2
The step of the present embodiment carries out fertilizer treatment to biogas residue specifically comprises the following steps:
(1) biogas residue for taking sludge to be formed is blended and is dried in vacuo with pulverizer, until moisture content is lower than 10%；
(2) equipped with glycine nitrate ionic liquid closed container in, control the biogas residue with the ionic liquid
Body does not contact, and the addition volume of the glycine nitrate accounts for the 1% of the reaction vessel volume；
(3) reaction vessel is carried out being warming up to 60 DEG C, and air is discharged, then to being filled with CO in container2Gas, and adjust
The pressure of the closed container inner space is 20MPa, and closed container inner space is made to be in supercritical CO2State is located
After managing 15min, pressure release at a slow speed obtains treated biogas residue product.
Embodiment 3
The step of the present embodiment carries out fertilizer treatment to biogas residue specifically comprises the following steps:
(1) biogas residue for taking fermentation of plant straws to be formed is blended and is dried in vacuo with pulverizer, until moisture content is lower than
10%；
(2) equipped with glutamic acid nitrate ionic liquid closed container in, control the biogas residue with the ionic liquid
Body does not contact, and the addition volume of the glutamic acid nitrate accounts for the 0.8% of the reaction vessel volume；
(3) reaction vessel is carried out being warming up to 50 DEG C, and air is discharged, then to being filled with CO in container2Gas, and adjust
The pressure of the closed container inner space is 25MPa, and closed container inner space is made to be in supercritical CO2State is located
After managing 10min, pressure release at a slow speed obtains treated biogas residue product.
Embodiment 4
The step of the present embodiment carries out fertilizer treatment to biogas residue specifically comprises the following steps:
(1) biogas residue that the biogas residue and fermentation of plant straws for taking livestock manure fermented to be formed are formed, mixes and is stirred with pulverizer
It is broken and be dried in vacuo, until moisture content is lower than 10%；
(2) it in the closed container equipped with amino acid ion liquid, controls the biogas residue and is not connect with the ionic liquid
Touching, the addition volume of the amino acid ion liquid account for the 0.8% of the reaction vessel volume, the amino acid ion liquid
Mixture including glycine nitrate, glutamic acid nitrate and valine nitrate that volume ratio is 1:1:1；
(3) reaction vessel is carried out being warming up to 50 DEG C, and air is discharged, then to being filled with CO in container2Gas, and adjust
The pressure of the closed container inner space is 25MPa, and closed container inner space is made to be in supercritical CO2State is located
After managing 10min, pressure release at a slow speed obtains treated biogas residue product.
Embodiment 5
The step of the present embodiment carries out fertilizer treatment to biogas residue specifically comprises the following steps:
(1) biogas residue that the biogas residue and fermentation of plant straws for taking livestock manure fermented to be formed are formed, mixes and is stirred with pulverizer
It is broken and be dried in vacuo, until moisture content is lower than 10%；
(2) it in the closed container equipped with amino acid ion liquid, controls the biogas residue and is not connect with the ionic liquid
Touching, the addition volume of the amino acid ion liquid account for the 0.8% of the reaction vessel volume, the amino acid ion liquid
Mixture including glycine nitrate and glutamic acid nitrate that volume ratio is 1:1；
(3) reaction vessel is carried out being warming up to 50 DEG C, and air is discharged, then to being filled with CO in container2Gas, and adjust
The pressure of the closed container inner space is 25MPa, and closed container inner space is made to be in supercritical CO2State is located
After managing 10min, pressure release at a slow speed obtains treated biogas residue product.
Embodiment 6
The step of the present embodiment carries out fertilizer treatment to biogas residue specifically comprises the following steps:
(1) biogas residue that the biogas residue and fermentation of plant straws for taking livestock manure fermented to be formed are formed, mixes and is stirred with pulverizer
It is broken and be dried in vacuo, until moisture content is lower than 10%；
(2) it in the closed container equipped with amino acid ion liquid, controls the biogas residue and is not connect with the ionic liquid
Touching, the addition volume of the amino acid ion liquid account for the 0.8% of the reaction vessel volume, the amino acid ion liquid
Mixture including glycine nitrate and valine nitrate that volume ratio is 1:1；
(3) reaction vessel is carried out being warming up to 50 DEG C, and air is discharged, then to being filled with CO in container2Gas, and adjust
The pressure of the closed container inner space is 25MPa, and closed container inner space is made to be in supercritical CO2State is located
After managing 10min, pressure release at a slow speed obtains treated biogas residue product.
Embodiment 7
The step of the present embodiment carries out fertilizer treatment to biogas residue specifically comprises the following steps:
(1) biogas residue that the biogas residue and fermentation of plant straws for taking livestock manure fermented to be formed are formed, mixes and is stirred with pulverizer
It is broken and be dried in vacuo, until moisture content is lower than 10%；
(2) it in the closed container equipped with amino acid ion liquid, controls the biogas residue and is not connect with the ionic liquid
Touching, the addition volume of the amino acid ion liquid account for the 0.8% of the reaction vessel volume, the amino acid ion liquid
Mixture including glutamic acid nitrate and valine nitrate that volume ratio is 1:1；
(3) reaction vessel is carried out being warming up to 50 DEG C, and air is discharged, then to being filled with CO in container2Gas, and adjust
The pressure of the closed container inner space is 25MPa, and closed container inner space is made to be in supercritical CO2State is located
After managing 10min, pressure release at a slow speed obtains treated biogas residue product.
Comparative example 1
The method that this comparative example handles biogas residue is same as Example 4, and difference is only that, according to identical component
And ratio, it takes biogas residue and ionic liquid directly to be mixed under room temperature, biogas residue product is made and carries out farmland fertilization.
Comparative example 2
The method that this comparative example handles biogas residue is same as Example 4, and difference is only that, first according to identical item
Part carries out CO to the biogas residue2First supercritical processing collects biogas residue product, and the ionic liquid with selected composition and ratio after pressure release
It is mixed under room temperature, biogas residue product is made and carries out farmland fertilization.
Comparative example 3
This comparative example directly carries out farmland fertilization with the biogas residue of ratio in the same manner as in Example 4 form.
Field experiment example
Different crops and vegetable crop are selected to carry out field planting experiment respectively, in identical fertilising and planting conditions
Under, farmland fertilization is carried out with the biogas residue product in above-described embodiment 1-7 and comparative example 1-3 respectively and is used, to verify biogas residue Dan Yin
Research of the element to crop fertilization effect, and using not fertilizer applications as reference examples.In entire fertilising and planting process, it is ensured that fertilising
Measure identical (in terms of biogas residue), and the field management measure for controlling entire planting season is also identical, record the per mu yield of Different Crop in
The following table 1.
1 Different Crop field experiment result (kg/hm of table2)
From upper table data it is found that the present invention is modified processing to biogas residue using amino acid ion liquid, pass through CO2It is super to face
The mode of boundary's processing, effectively increases the dissolution of biogas residue nutrient, and further passes through amino acid ion liquid and biogas residue
Bonding reaction reduces the loss of nutrient, effectively increases the farmland effect of increasing production of biogas residue, further improves and make produce
Amount.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of biogas residue fertilizing method conducive to farmland volume increase, which is characterized in that including being placed in biogas residue equipped with ionic liquid
In closed container, in the case where not being in contact with the ionic liquid, CO is carried out to the biogas residue2The step of first supercritical processing
Suddenly.
2. the biogas residue fertilizing method according to claim 1 conducive to farmland volume increase, which is characterized in that the ionic liquid is
Amino acid ion liquid.
3. the biogas residue fertilizing method according to claim 2 conducive to farmland volume increase, which is characterized in that the ionic liquid packet
Include glycine nitrate, glutamic acid nitrate and/or valine nitrate.
4. it is according to claim 1-3 conducive to farmland volume increase biogas residue fertilizing method, which is characterized in that it is described from
The addition volume of sub- liquid accounts for the 0.5-1% of reaction vessel volume.
5. the biogas residue fertilizing method according to claim 1-4 conducive to farmland volume increase, which is characterized in that described super
The temperature of critical processing step is 40-60 DEG C, pressure 20-30MPa.
6. the biogas residue fertilizing method according to claim 5 conducive to farmland volume increase, which is characterized in that the first supercritical processing
Step Time is 5-15min.
7. the biogas residue fertilizing method according to claim 1-6 conducive to farmland volume increase, which is characterized in that the natural pond
Cinder ladle includes the biogas residue of livestock manure fermented formation, the biogas residue that fermentation of plant straws is formed or the biogas residue that sludge is formed.
8. the biogas residue fertilizing method according to claim 1-7 conducive to farmland volume increase, which is characterized in that described
It further include that the biogas residue is crushed and carries out vacuum drying step before supercritical process step.
9. the biogas residue fertilizing method according to claim 1-8 conducive to farmland volume increase, which is characterized in that further include
The step of biogas residue after first supercritical processing is subjected to farmland fertilization.
10. described in any item biogas residue fertilizing method the answering in field of agricultural cultivation conducive to farmland volume increase of claim 1-9
With.
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| CN201910045900.0A CN109704386B (en) | 2019-01-17 | 2019-01-17 | Biogas residue fertilizing method beneficial to farmland yield increase |
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|---|---|---|---|
| CN201910045900.0A CN109704386B (en) | 2019-01-17 | 2019-01-17 | Biogas residue fertilizing method beneficial to farmland yield increase |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10106115A1 (en) * | 2001-02-08 | 2001-09-06 | Manfred Lottermoser | Hydrolysis of organic materials with supercritical steam, used e.g. to process fats, proteins and carbohydrates for preparation of high-value nutrients |
| CN101880597A (en) * | 2010-07-08 | 2010-11-10 | 河北科技大学 | Method for extracting rice bran oil by using ionic liquid and supercritical carbon dioxide (CO2) |
| US8317892B1 (en) * | 2011-06-06 | 2012-11-27 | Cool Planet Biofuels, Inc. | Method for enhancing soil growth using bio-char |
| CN102952103A (en) * | 2011-08-17 | 2013-03-06 | 中国科学院过程工程研究所 | Method for preparing HMF through reaction-separation in supercritical CO2/ionic liquid two-phase system |
| CN103056145A (en) * | 2012-12-24 | 2013-04-24 | 北京时代桃源环境科技有限公司 | Kitchen waste processing method |
| CN104788227A (en) * | 2015-04-23 | 2015-07-22 | 国家海洋局第一海洋研究所 | Marine organism fermentation fertilizer and preparation method thereof |
| CN105248230A (en) * | 2015-11-18 | 2016-01-20 | 张继金 | Method of planting sugar orange trees on mountain slope |
| CN107082704A (en) * | 2017-05-19 | 2017-08-22 | 陶圣香 | A kind of preparation method of slow-release fertilizer |
-
2019
- 2019-01-17 CN CN201910045900.0A patent/CN109704386B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10106115A1 (en) * | 2001-02-08 | 2001-09-06 | Manfred Lottermoser | Hydrolysis of organic materials with supercritical steam, used e.g. to process fats, proteins and carbohydrates for preparation of high-value nutrients |
| CN101880597A (en) * | 2010-07-08 | 2010-11-10 | 河北科技大学 | Method for extracting rice bran oil by using ionic liquid and supercritical carbon dioxide (CO2) |
| US8317892B1 (en) * | 2011-06-06 | 2012-11-27 | Cool Planet Biofuels, Inc. | Method for enhancing soil growth using bio-char |
| CN102952103A (en) * | 2011-08-17 | 2013-03-06 | 中国科学院过程工程研究所 | Method for preparing HMF through reaction-separation in supercritical CO2/ionic liquid two-phase system |
| CN103056145A (en) * | 2012-12-24 | 2013-04-24 | 北京时代桃源环境科技有限公司 | Kitchen waste processing method |
| CN104788227A (en) * | 2015-04-23 | 2015-07-22 | 国家海洋局第一海洋研究所 | Marine organism fermentation fertilizer and preparation method thereof |
| CN105248230A (en) * | 2015-11-18 | 2016-01-20 | 张继金 | Method of planting sugar orange trees on mountain slope |
| CN107082704A (en) * | 2017-05-19 | 2017-08-22 | 陶圣香 | A kind of preparation method of slow-release fertilizer |
Non-Patent Citations (3)
| Title |
|---|
| 张亚: "《离子液体的应用及研究》", 31 October 2009 * |
| 罗永明: "《中药化学成分分离技术与方法》", 31 January 2016 * |
| 韩布兴等: "《超临近流体科学与技术》", 30 April 2005, 中国石化出版社 * |
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