CN106116857A - A kind of method preparing fertilizer - Google Patents
A kind of method preparing fertilizer Download PDFInfo
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- CN106116857A CN106116857A CN201610476057.8A CN201610476057A CN106116857A CN 106116857 A CN106116857 A CN 106116857A CN 201610476057 A CN201610476057 A CN 201610476057A CN 106116857 A CN106116857 A CN 106116857A
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- China
- Prior art keywords
- fertilizer
- aqueous solution
- hemicellulose
- carried out
- straw
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
This application provides a kind of method preparing fertilizer.Described method includes: obtaining the waste liquid after double cellulose aqueous solution carries out anaerobic fermentation process, the hemicellulose in described hemicellulose aqueous solution is from straw；Described fertilizer is obtained by carrying out described waste liquid with chemical fertilizer mixing.Technique scheme contributes to reducing the consumption of chemical fertilizer, alleviates the chemical fertilizer negative influence to soil.
Description
Technical field
The present invention relates to chemical field, particularly relate to prepare the method for fertilizer.
Background technology
Chemical fertilizer is the fertilizer of a kind of widely used crops.When Nitrogen In Soils, phosphorus or potassium can not meet crop growth
Demand time, the chemical fertilizer of nitrogenous, phosphorus or potassium can be used.
But, chemical fertilizer, while improving crop yield, also produces negative influence to soil.
On the one hand, use chemical fertilizer to cause soil adds heavy metal and other noxious substances.Prepare the raw material of chemical fertilizer
In may comprise heavy metal.It addition, the technique preparing chemical fertilizer is likely to introduce heavy metal.This makes also to comprise a huge sum of money in chemical fertilizer
Belong to.Such as, the raw material preparing phosphate fertilizer can be rock phosphate in powder.Rock phosphate in powder comprises fluorine (F) and arsenic (As).
On the other hand, chemical fertilizer reduces quantity and the activity of Soil Microorganism.Microorganism in soil is organic in decomposition
The aspects such as matter, decomposition mineral and degraded harmful substance have played important function.
Another aspect, chemical fertilizer makes soil acidification.Such as, nitrogenous fertilizer Nitrification in soil causes creating in soil
Nitrate, so that soil acidification.Soil acidification changes the form of nutrient in soil, reduces nutrient availability, right
Crops produce toxic action.
In sum, how to reduce the consumption of chemical fertilizer, alleviate chemical fertilizer to the negative influence of soil be one urgently to be resolved hurrily
Problem.
Summary of the invention
In order to reduce the consumption of chemical fertilizer, alleviate the chemical fertilizer negative influence to soil, embodiments provide following skill
Art scheme.
A kind of method preparing fertilizer, including:
Obtain the waste liquid after double cellulose aqueous solution carries out anaerobic fermentation process, half in described hemicellulose aqueous solution
Cellulose is from straw；
Described fertilizer is obtained by carrying out described waste liquid with chemical fertilizer mixing.
According to technique scheme it can be seen that described fertilizer not only includes chemical fertilizer, also include double cellulose aqueous solution
Carry out the waste liquid after anaerobic fermentation process.Described waste liquid is a kind of fertilizer.Fertilizer can be that crop growth supplies nutrients.
Accordingly, with respect to only using chemical fertilizer as the scheme of the nutriment of crop growth, using above-mentioned fertilizer as the nutriment of crop growth
Scheme contribute to reduce chemical fertilizer consumption.Thus, alleviate the chemical fertilizer negative influence to soil.
Alternatively, in technique scheme, obtain described fertilizer bag by carrying out described waste liquid with described chemical fertilizer mixing
Include: obtain described fertilizer by described waste liquid, described chemical fertilizer, humic acid and metalloproteases being carried out mixing.
According to technique scheme it can be seen that described fertilizer also includes humic acid and metalloproteases.
Humic acid can promote the growth promoter of crops, can improve the utilization rate of chemical fertilizer, can improve Soil structure
And the drought resistance of crops can be strengthened.
Metalloproteases can play catalytic action in the hydrolytic process of protein.The root system pair of crops can be promoted
The absorption of nutrient.Such as, metalloproteases can promote the plant absorption to Nitrogen In Soils, phosphorus, potassium and trace element.
Therefore, when fertilizer includes humic acid and metalloproteases, described fertilizer can promote that crops are to nutrient
Absorption, promote crops growth and contribute to improving the structure of soil.
Alternatively, in technique scheme, described waste liquid include trace element and organic matter, described chemical fertilizer include nitrogenous fertilizer,
Phosphate fertilizer and potash fertilizer, the nitrogen in described nitrogenous fertilizer and the phosphorus in described phosphate fertilizer, the potassium in described potash fertilizer, described humic acid, described metal
The part by weight of protease, described trace element and described organic matter be 5～10:6～12:3～5:2.5～4:0.01～
0.02:0.2～3:6～15.
For example, described organic matter can be organic acid.
Alternatively, in technique scheme, the phosphorus in the nitrogen in described nitrogenous fertilizer and described phosphate fertilizer, the potassium in described potash fertilizer,
The part by weight of described humic acid, described metalloproteases, described trace element and described organic matter is 6～8:8～10:
3.5～4:3.2～3.5:0.01～0.02:1.5～2:9～12.
Alternatively, in technique scheme, described trace element includes boron, ferrum, zinc, molybdenum and manganese.
Specifically, boron, molybdenum, manganese, zinc and ferrum are nutrients necessary to crop growthing development.Therefore, fertilizer is worked as
When material comprises boron, molybdenum, manganese, zinc and ferrum, contribute to strengthening the facilitation of the growth promoter to crops.
Alternatively, in technique scheme, before described hemicellulose aqueous solution is carried out described anaerobic fermentation process, institute
Method of stating also includes: obtain the first hemicellulose aqueous solution by described straw carries out Steam explosion treatment, described the first half
Hydrogen ionexponent (hydrogen ion concentration, the PH) value of cellulose aqueous solution is 4～6, chemical oxygen demand
Amount (Chemical Oxygen Demand, COD) is 6000～30000mg/L.
Specifically, hemicellulose has water solublity.By described straw being carried out Steam explosion treatment, in described straw
Hydrogen bond rupture.Hemicellulose and cellulose in straw achieve separation.And then, half fibrolysis is in water.
Alternatively, in technique scheme, obtain described first by described straw being carried out described Steam explosion treatment
After hemicellulose aqueous solution, and, before described hemicellulose aqueous solution is carried out described anaerobic fermentation process, described method
Also include: described first hemicellulose aqueous solution is carried out precipitation process, it is thus achieved that the supernatant；The described supernatant is carried out acid
Change processes；Alkali is added the described supernatant of acidified process, it is thus achieved that described hemicellulose aqueous solution.
Specifically, by described straw is carried out described Steam explosion treatment, portion of cellulose in straw and wooden
Element is suspended in the first hemicellulose aqueous solution.By described first hemicellulose aqueous solution is carried out precipitation process, can go
Fall the portion of cellulose and lignin suspended in the first hemicellulose aqueous solution, it is thus achieved that the supernatant.
Hemicellulose is macromolecule organic, it is impossible to through cell membrane.Therefore, hemicellulose can not be the most sharp by antibacterial
With.By the described supernatant carries out acidification, macromolecule organic can be decomposed into little molecule by antibacterial exoenzyme.This
A little little molecules can pass through cell membrane, and is utilized by antibacterial.
The environmentally undesirable of acidity carries out anaerobic fermentation process in anaerobe.Therefore, in technique scheme, carry out described in detest
Before aerobe fermentation processes, alkali is added the described supernatant of acidified process, it is thus achieved that described hemicellulose aqueous solution.
Alternatively, in technique scheme, described hemicellulose aqueous solution is carried out the process of described anaerobic fermentation and includes: make
With internal-circulation anaerobic reactor, described hemicellulose aqueous solution is carried out described anaerobic fermentation process.
Described hemicellulose aqueous solution comprises Organic substance.By anaerobic reaction, described hemicellulose aqueous solution is converted
For methane, carbon dioxide and described waste liquid.Wherein, during described Organic substance is converted into methane, carbon dioxide and described waste liquid
Organic acid.
Alternatively, in technique scheme:
Described organic matter includes at least one in aminoacid, vitamin, saccharide, antibiotic, butanoic acid and heteroauxing.
Described ferrum includes at least one in ferrum oxide, ferrous sulfate and Ferrous ammonium sulfate.
Described boron includes that boron oxide, described molybdenum include at least one in molybdenum oxide and molybdenum trisulfate.
Described zinc includes at least one in zinc oxide and zinc sulfate.
Described manganese includes at least one in manganese oxide and manganese sulfate.
Described trace element also includes at least one in copper oxide, copper sulfate, magnesium oxide and magnesium sulfate.
Alternatively, in technique scheme:
Described nitrogenous fertilizer is at least one in ammonium fertilizer, nitrate fertilizer, ammonium state nitrate fertilizer and amide nitrogen fertilizer.
Described phosphate fertilizer is at least one in water soluble phosphorous fertilizer, citrate acid soluble phosphatic fertilizer, difficultly soluble phosphatic fertilizer.
Described potash fertilizer is potassium chloride, potassium sulfate, potassium dihydrogen phosphate, sylvite, potassium magnesium salt, carnallite, potassium nitrate and kiln ash
At least one in potash fertilizer.
Alternatively, in technique scheme, described nitrogenous fertilizer is carbamide, and described phosphate fertilizer is Diammonium phosphate (DAP).
Alternatively, in technique scheme, described straw includes: grain straw, phragmites communis, wood type, Caulis et Folium Lini class, corn stalk
At least one in stalk, awns stalk, Jujun grasses, Sunflower Stalk, walnut shell, weeds, waste material of edible mushroom, Cotton Stalk and potato class seedling.
Alternatively, in technique scheme, described grain straw comprises corn shell and wheat bran, and described corn straw includes jade
Meter Xin.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of method preparing fertilizer that the embodiment of the present invention provides；
The schematic flow sheet of a kind of method preparing fertilizer that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
The schematic flow sheet of a kind of method preparing fertilizer that Fig. 1 provides for the embodiment of the present invention.See Fig. 1, described side
Method includes:
S101, obtain the waste liquid after double cellulose aqueous solution carries out anaerobic fermentation process, described hemicellulose aqueous solution
In hemicellulose from straw.
S102, by described waste liquid carries out mixing the described fertilizer of acquisition with chemical fertilizer.
For example, the pH value of described hemicellulose aqueous solution equal to 7 or approximates 7.
For example, described straw includes: grain straw, phragmites communis, wood type, Caulis et Folium Lini class, corn straw, awns stalk, huge bacterium
At least one in grass, Sunflower Stalk, walnut shell, weeds, waste material of edible mushroom, Cotton Stalk and potato class seedling.
For example, described grain straw comprises corn shell and wheat bran, and described corn straw includes corn cob.
Described hemicellulose aqueous solution comprises Organic substance.By anaerobic reaction, described hemicellulose aqueous solution is converted
For methane, carbon dioxide and described waste liquid.Wherein, during described Organic substance is converted into methane, carbon dioxide and described waste liquid
Organic acid.
Being processed the methane obtained by anaerobic fermentation can be as fuel, and production and life for people provide heat energy.Logical
The waste liquid crossing anaerobic fermentation process acquisition then can be as the raw material of Water soluble fertilizer.Thus, it is achieved that straw is made full use of.
When S102 implements, waste liquid and the chemical fertilizer that temperature is 36～45 DEG C can be placed in a kettle..Instead
Answer in still, waste liquid and chemical fertilizer are stirred 15～30 minutes.It is then possible to add water to reactor, and continue stirring.Thus obtain
Obtain described fertilizer.Described chemical fertilizer can be carbamide and phosphoric acid diamidogen.
Hemicellulose in described hemicellulose aqueous solution is from straw.On the one hand, the source of straw is the abundantest, cost
Relatively low.On the other hand, straw is the raw material of a kind of environmental protection.The fertilizer prepared with straw for raw material relative to other fertilizer,
It is more beneficial for environmental protection.
Such as, the biogas slurry after some fertilizers derive from the manure fermentation of domestic animal.The feces of domestic animal may contain antibiotic,
Hormone, heavy metal and disinfectant.Use this fertilizer may soil be polluted, be unfavorable for environmental protection.
The most such as, some fertilizers are with papermaking liquid as raw material.Papermaking liquid contains chemical agent.Therefore, use
This fertilizer is likely to pollute soil.
The most such as, the straw after some machine fertilizer derives from natural fermentation.This traditional fertilizer does not comprise chemical fertilizer.Example
As, this traditional fertilizer does not comprise nitrogenous fertilizer, phosphate fertilizer or potash fertilizer.Therefore, the fertilizer efficiency of this traditional fertilizer may
Do not reach the demand of crop growth.
According to technique scheme it can be seen that described fertilizer not only includes chemical fertilizer, also include double cellulose aqueous solution
Carry out the waste liquid after anaerobic fermentation process.Described waste liquid is a kind of fertilizer.Fertilizer can be that crop growth supplies nutrients.
Accordingly, with respect to only using chemical fertilizer as the scheme of the nutriment of crop growth, using above-mentioned fertilizer as the nutriment of crop growth
Scheme contribute to reduce chemical fertilizer consumption.Thus, alleviate the chemical fertilizer negative influence to soil.
In conjunction with technique scheme, the embodiment of the present invention additionally provides a kind of fertilizer.Described fertilizer includes: to hemicellulose
Aqueous solution carries out the waste liquid after anaerobic fermentation process and chemical fertilizer, and the hemicellulose in described hemicellulose aqueous solution is from straw
Stalk.
Specifically, described fertilizer is the mixture of described waste liquid and described chemical fertilizer.
Alternatively, in technique scheme, obtain described fertilizer bag by carrying out described waste liquid with described chemical fertilizer mixing
Include: obtain described fertilizer by described waste liquid, described chemical fertilizer, humic acid and metalloproteases being carried out mixing.
Accordingly, the fertilizer provided for the embodiment of the present invention, described fertilizer can also include humic acid and metal egg
White enzyme.
According to technique scheme it can be seen that described fertilizer also includes humic acid and metalloproteases.
Humic acid can promote the growth promoter of crops.Specifically, humic acid contains active function gene.Activity merit
Energy gene can strengthen the activity of the catalase in crops body and polyphenol oxidase, stimulates physiological metabolism, promotes raw
Long growth.
Humic acid can improve the utilization rate of chemical fertilizer.Specifically, humic acid contains the functional group such as carboxyl, phenolic hydroxyl group.On
State functional group and have stronger ion exchange and absorbability, carbon ammonium can be made to reduce the loss of ammonium nitrogen, improve the utilization rate of nitrogenous fertilizer.
Humic acid can improve Soil structure.Specifically, humic acid can promote the formation of soil aggregate, regulation
P in soil H-number, improves soil water-reataining fertilizer-keeping ability.It addition, humic acid can promote the activity of soil microorganism, increase aerobic
Antibacterial, actinomycetes, the quantity of cellulose-decomposing bacterium, thus accelerate the decomposition of organic substance.
Humic acid can strengthen the drought resistance of crops.Specifically, humic acid can reduce the pore of plant leaf blade and opens
Open, reduce transpiration, thus reduce the water loss in plant.
Humic acid can improve the quality of the fruit of crops.Specifically, humic acid can promote to comprise trace element
Complex or the formation of sequestration thing.Complex or sequestration thing are so that the fruit of crops is plentiful, abundant.
Metalloproteases can play catalytic action in the hydrolytic process of protein.The root system pair of crops can be promoted
The absorption of nutrient.Such as, metalloproteases can promote the plant absorption to Nitrogen In Soils, phosphorus, potassium and trace element.
Therefore, when fertilizer includes humic acid and metalloproteases, described fertilizer can promote that crops are to nutrient
Absorption, promote crops growth and contribute to improving the structure of soil.
Alternatively, in technique scheme, described waste liquid include trace element and organic matter, described chemical fertilizer include nitrogenous fertilizer,
Phosphate fertilizer and potash fertilizer, the nitrogen in described nitrogenous fertilizer and the phosphorus in described phosphate fertilizer, the potassium in described potash fertilizer, described humic acid, described metal
The part by weight of protease, described trace element and described organic matter be 5～10:6～12:3～5:2.5～4:0.01～
0.02:0.2～3:6～15.
For example, described organic matter can be organic acid.
Alternatively, in technique scheme, the phosphorus in the nitrogen in described nitrogenous fertilizer and described phosphate fertilizer, the potassium in described potash fertilizer,
The part by weight of described humic acid, described metalloproteases, described trace element and described organic matter is 6～8:8～10:
3.5～4:3.2～3.5:0.01～0.02:1.5～2:9～12.
For example, during described nitrogenous fertilizer is ammonium fertilizer, nitrate fertilizer, ammonium state nitrate fertilizer and amide nitrogen fertilizer at least
A kind of.
For example, at least one during described phosphate fertilizer is water soluble phosphorous fertilizer, citrate acid soluble phosphatic fertilizer, difficultly soluble phosphatic fertilizer.
For example, described potash fertilizer is potassium chloride, potassium sulfate, potassium dihydrogen phosphate, sylvite, potassium magnesium salt, carnallite, nitric acid
At least one in potassium and flue ash potash.
For example, described nitrogenous fertilizer is carbamide, and described phosphate fertilizer is Diammonium phosphate (DAP).
Alternatively, in technique scheme, described trace element includes boron, ferrum, zinc, molybdenum and manganese.
Specifically, boron, molybdenum, manganese, zinc and ferrum are nutrients necessary to crop growthing development.Therefore, fertilizer is worked as
When material comprises boron, molybdenum, manganese, zinc and ferrum, contribute to strengthening the facilitation of the growth promoter to crops.
Alternatively, in technique scheme, before described hemicellulose aqueous solution is carried out described anaerobic fermentation process, institute
Method of stating also includes: obtain the first hemicellulose aqueous solution by described straw carries out Steam explosion treatment.Described the first half
The pH value of cellulose aqueous solution is 4～6.The COD of described first hemicellulose aqueous solution is 6000～30000mg/L.
Specifically, hemicellulose has water solublity.By described straw being carried out Steam explosion treatment, in described straw
Hydrogen bond rupture.Hemicellulose and cellulose in straw achieve separation.And then, half fibrolysis is in water.
It addition, before described straw is carried out Steam explosion treatment, described straw can be carried out cut-out process.It addition, can
Water with the straw jet atomization after cutting off so that described straw obtains preferable humidifying effect.
For example, described straw is carried out Steam explosion treatment and may include that the appearance that the straw of humidification is put into sealing
In device, make the temperature of described straw reach 130 DEG C by air pressure in the container that increase seals, and keep 5～10 minutes.So
After, rapid decompression.In the environment of High Temperature High Pressure, hydrone penetrates the cell wall of straw.Water when rapid decompression, in straw
Molecule can produce huge force of explosion so that the fibre structure generation mechanical breaking in straw.So that half fibrolysis
In water.
It should be noted that different air pressure can be determined for different straws, and needs under different air pressure
The time span kept.So that Steam explosion treatment reaches preferable effect.
The schematic flow sheet of a kind of method preparing fertilizer that Fig. 2 provides for the embodiment of the present invention.Method shown in Fig. 2 is
It is extended obtaining on the basis of the method shown in Fig. 1.Wherein, the S101 in the S205 corresponding diagram 1 in Fig. 2.In Fig. 2
S102 in S206 corresponding diagram 1.
The first hemicellulose aqueous solution is obtained by described straw being carried out Steam explosion treatment about mentioned above
Step, is specifically referred to the S201 in Fig. 2.
Alternatively, in technique scheme, obtain described first by described straw being carried out described Steam explosion treatment
After hemicellulose aqueous solution, and, before described hemicellulose aqueous solution is carried out described anaerobic fermentation process, described method
Also include: described first hemicellulose aqueous solution is carried out precipitation process, it is thus achieved that the supernatant；The described supernatant is carried out acid
Change processes；Alkali is added the described supernatant of acidified process, it is thus achieved that described hemicellulose aqueous solution.
Precipitation process is carried out, it is thus achieved that the step of the supernatant about to described first hemicellulose aqueous solution, the most permissible
With reference to the S202 in Fig. 2.
About the described supernatant being carried out the step of acidification, specifically it is referred to the S203 in Fig. 2.
About the described supernatant that alkali is added acidified process, it is thus achieved that the step of described hemicellulose aqueous solution, tool
Body is referred to the S204 in Fig. 2.
Accordingly, the fertilizer provided for the embodiment of the present invention, described hemicellulose aqueous solution is by alkali is added warp
The supernatant of acidification obtains.The supernatant of described acidified process is by the supernatant is carried out acidification
Obtain.The described supernatant is by carrying out precipitation process acquisition to described first hemicellulose aqueous solution.
Specifically, by described straw is carried out described Steam explosion treatment, portion of cellulose in straw and wooden
Element is suspended in the first hemicellulose aqueous solution.By described first hemicellulose aqueous solution is carried out precipitation process, can go
Fall the portion of cellulose and lignin suspended in the first hemicellulose aqueous solution, it is thus achieved that the supernatant.
Hemicellulose is macromolecule organic, it is impossible to through cell membrane.Therefore hemicellulose can not be directly utilized by antibacterial.
By the described supernatant carries out acidification, macromolecule organic can be decomposed into little molecule by antibacterial exoenzyme.These
Little molecule can pass through cell membrane, and is utilized by antibacterial.
For example, above-mentioned little molecule can be converted into compound and be secreted into extracellular by acidifying bacterium.It is acidified the upper of bacterium
State processing procedure and can produce volatile fatty acid, alcohols, lactic acid, carbon dioxide, hydrogen, ammonia and hydrogen sulfide etc..
The environmentally undesirable of acidity carries out anaerobic fermentation process in anaerobe.Therefore, in technique scheme, carry out described in detest
Before aerobe fermentation processes, alkali is added the described supernatant of acidified process, it is thus achieved that described hemicellulose aqueous solution.
Alternatively, in technique scheme, described hemicellulose aqueous solution is carried out the process of described anaerobic fermentation and includes: make
With internal-circulation anaerobic reactor, described hemicellulose aqueous solution is carried out described anaerobic fermentation process.
Described hemicellulose aqueous solution comprises Organic substance.By anaerobic reaction, described Organic substance be converted into methane and
Carbon dioxide.
Internal-circulation anaerobic reactor is a kind of efficient multistage inner circulation reactor.Such as, internal-circulation anaerobic reactor can
To include mixed zone, the first anaerobic zone, the second anaerobic zone, settling zone and gas-liquid separation zone.For example, can be by described half fibre
Dimension element aqueous solution is put into mixed zone.In the first anaerobic zone and the second anaerobic zone, described hemicellulose aqueous solution is carried out anaerobism
Fermentation process.Described waste liquid can be obtained in described settling zone.
Alternatively, in technique scheme, the organic matter in described waste liquid includes aminoacid, vitamin, saccharide, antibiosis
At least one in element, butanoic acid and heteroauxing, described ferrum includes in ferrum oxide, ferrous sulfate and Ferrous ammonium sulfate extremely
Few one, described boron includes that boron oxide, described molybdenum include that at least one in molybdenum oxide and molybdenum trisulfate, described zinc include oxidation
At least one in zinc and zinc sulfate, described manganese includes at least one in manganese oxide and manganese sulfate, described trace element
Also include at least one in copper oxide, copper sulfate, magnesium oxide and magnesium sulfate.
Experiment condition and experiment number that crops cultivated by the fertilizer that uses the embodiment of the present invention provide are presented herein below
According to:
Experiment 1
Place: Yan Liu town, Shou County, Anhui Province of China.
Item: seed is soaked by fertilizer prepared by the method shown in Fig. 1 or Fig. 2 of use, and records the life of seed
Long situation.
Seed: excellent No. 6 rice paddy seeds in Anhui.
Detailed process:
1. prepare fertilizer.Fertilizer includes water and other compositions.The part by weight of other compositions and fertilizer equal to 0.01～
0.5:100.Other compositions include chemical fertilizer, humic acid, metalloproteases, trace element and organic acid.
2. use the fertilizer prepared that seed is soaked.Concrete steps include:
(1) knitting bagged seed, and tying are used.Note: woven bag can not have breakage.
(2) woven bag being loaded into seed puts into the fertilizer prepared, and soaks 24 hours.
(3) after having soaked, woven bag is taken out from fertilizer.
3. the seed after soaking with clear water rinsing.Preferably repeatedly rinse.
4. pair seed carries out accelerating germination.
Experimental result: the germination percentage of the seed that use fertilizer soaked is more than 96%.Relative to not carrying out at immersion
Reason, or only use the seed of clear water immersion treatment, the percentage establishment of seedling of seed using fertilizer to soak improves 15%, and after having
Growth vigor.
The analysis of causes:
The fertilizer using the application to provide soaks seed, can improve germination percentage so that emerge in advance, and strengthen seedling and take root
Ability.The fertilizer that the application provides can make the activity of the enzyme in seed be excited.Enzyme in seed can promote blastocyte
Division, stimulates seed growth, and regulates and controls growth hormone gene.
Experiment 2
Place: Yan Liu town, Shou County, Anhui Province of China
Item: fertilizer prepared by the method shown in Fig. 1 or Fig. 2 of use applies fertilizer, and records the growing state of crop.
Crop: excellent No. 6 Oryza sativa L. in Anhui
Detailed process:
1. prepare fertilizer.Fertilizer includes water and other compositions.The part by weight of other compositions and fertilizer is equal to 0.1～2:
100.Other compositions include chemical fertilizer, humic acid, metalloproteases, trace element and organic acid.
2. use the fertilizer prepared to apply fertilizer.Concrete steps include:
Applying fertilizer at Seedling Stage and heading stage, the consumption of every mu is 300 kilograms.Concrete fertilizing method is, fills with water
Execute or sprinkle and water.
Experimental result:
Relative to only carrying out the scheme applied fertilizer with chemical fertilizer, the fertilizer using the application to provide applies fertilizer, seedling average
Height growth 20%.During heading, on the premise of the quantity of rice straw is identical, rice straw always goes out fringe amount many 8%.
Experiment 3
Place: Henan, China Xinxiang City
Item: fertilizer prepared by the method shown in Fig. 1 or Fig. 2 of use applies fertilizer, and records the growing state of crop.
Crop: refer to table 1.
Detailed process:
1. the breeding phase uses fertilizer to soak seed.Fertilizer includes water and other compositions.Other compositions and the weight of fertilizer
Amount ratio is equal to 2:1000.Other compositions include chemical fertilizer, humic acid, metalloproteases, trace element and organic acid.To seed
Soak 24 hours.Concrete grammar refer to test 1.
2. trophophase uses fertilizer to apply fertilizer.Fertilizer includes water and other compositions.Other compositions and the weight of fertilizer
Ratio is equal to 1～1.5:1000.Other compositions include chemical fertilizer, humic acid, metalloproteases, trace element and organic acid.Adopt
With spraying and the method fertilising of pouring.
Experimental result:
About experimental result, refer to table 1:
Table 1
Remarks:
1. the cultivated area of Semen Tritici aestivi and Semen Maydis comes to 2.33 mu.
2. raising ratio refers to: relative to not carrying out immersion treatment, or only uses the seed of clear water immersion treatment, with
And relative to only using chemical fertilizer to carry out the scheme applied fertilizer, seed is soaked by the fertilizer using the application to provide, and uses
The fertilizer that the application provides carries out the scheme applied fertilizer, the ratio of raising.Specifically, the raising ratio that the breeding phase is corresponding is to point out
The raising ratio of Seedling rate.The raising ratio that trophophase is corresponding refers to the raising ratio of the average height of seedling.
Experiment 4
Place: Shou County, Anhui Province of China
Item: fertilizer prepared by the method shown in Fig. 1 or Fig. 2 of use applies fertilizer, and records the growing state of crop.
Crop: refer to table 2.
Detailed process:
1. the breeding phase uses fertilizer to soak seed.Fertilizer includes water and other compositions.Other compositions and the weight of fertilizer
Amount ratio is equal to 2:1000.Other compositions include chemical fertilizer, humic acid, metalloproteases, trace element and organic acid.To seed
Soak 12 hours.Concrete grammar refer to test 1.
2. trophophase uses fertilizer to apply fertilizer.Fertilizer includes water and other compositions.Other compositions and the weight of fertilizer
Ratio is equal to 1～1.5:1000.Other compositions include chemical fertilizer, humic acid, metalloproteases, trace element and organic acid.Adopt
With spraying and the method fertilising of pouring.
Experimental result:
About experimental result, refer to table 2:
Table 2
Remarks:
1. the cultivated area of Fructus Cucumidis sativi, Fructus Lycopersici esculenti, green vegetable, Fructus Momordicae charantiae and Capsicum annuum L. comes to 150 square metres.
2. raising ratio refers to: relative to not carrying out immersion treatment, or only uses the seed of clear water immersion treatment, with
And relative to only using chemical fertilizer to carry out the scheme applied fertilizer, seed is soaked by the fertilizer using the application to provide, and uses
The fertilizer that the application provides carries out the scheme applied fertilizer, the ratio of raising.Specifically, the raising ratio that the breeding phase is corresponding is to point out
The raising ratio of Seedling rate.The raising ratio that trophophase is corresponding refers to the raising ratio of the average height of seedling.
3. it can be seen that use the fertilizer that the application provides, the emergence rate of vegetable improves more than 5%, and yield increases by 12%
Above.You need to add is that, the trophophase of vegetable extends 10～15 days.
The above is only the preferred embodiment of the present invention.It should be pointed out that, the ordinary skill people for the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. the method preparing fertilizer, it is characterised in that including:
Obtain the waste liquid after double cellulose aqueous solution carries out anaerobic fermentation process, half fiber in described hemicellulose aqueous solution
Usually from straw；
Described fertilizer is obtained by carrying out described waste liquid with chemical fertilizer mixing.
Method the most according to claim 1, it is characterised in that by carrying out mixing acquisition with described chemical fertilizer by described waste liquid
Described fertilizer includes:
Described fertilizer is obtained by described waste liquid, described chemical fertilizer, humic acid and metalloproteases being carried out mixing.
Method the most according to claim 2, it is characterised in that described waste liquid includes trace element and organic matter, describedization
Fertilizer includes nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, the nitrogen in described nitrogenous fertilizer and the phosphorus in described phosphate fertilizer, the potassium in described potash fertilizer, described humic
The part by weight of metalloproteases sour, described, described trace element and described organic matter is 5～10:6～12:3～5:2.5
～4:0.01～0.02:0.2～3:6～15.
Method the most according to claim 3, it is characterised in that the nitrogen in described nitrogenous fertilizer and the phosphorus in described phosphate fertilizer, described
The part by weight of the potassium in potash fertilizer, described humic acid, described metalloproteases, described trace element and described organic matter is 6
～8:8～10:3.5～4:3.2～3.5:0.01～0.02:1.5～2:9～12.
5. according to the method described in claim 3 or 4, it is characterised in that described trace element include boron, ferrum, zinc, molybdenum and
Manganese.
6. according to described method arbitrary in claim 1 to 5, it is characterised in that described hemicellulose aqueous solution is carried out institute
Before stating anaerobic fermentation process, described method also includes:
Obtaining the first hemicellulose aqueous solution by described straw carries out Steam explosion treatment, described first hemicellulose is water-soluble
The hydrogen ionexponent pH value of liquid is 4～6, and COD COD is 6000～30000mg/L.
Method the most according to claim 6, it is characterised in that obtain by described straw is carried out described Steam explosion treatment
After obtaining described first hemicellulose aqueous solution, and, described hemicellulose aqueous solution is carried out described anaerobic fermentation and processes it
Before, described method also includes:
Described first hemicellulose aqueous solution is carried out precipitation process, it is thus achieved that the supernatant；
The described supernatant is carried out acidification；
Alkali is added the described supernatant of acidified process, it is thus achieved that described hemicellulose aqueous solution.
8. according to described method arbitrary in claim 1 to 7, it is characterised in that described hemicellulose aqueous solution is carried out institute
State anaerobic fermentation process to include:
Use internal-circulation anaerobic reactor that described hemicellulose aqueous solution is carried out described anaerobic fermentation process.
9. according to described method arbitrary in claim 3 to 5, it is characterised in that described organic matter includes that aminoacid, dimension are raw
At least one in element, saccharide, antibiotic, butanoic acid and heteroauxing, described ferrum includes ferrum oxide, ferrous sulfate and sulphuric acid
At least one in ferrous ammonium, described boron includes that boron oxide, described molybdenum include at least one in molybdenum oxide and molybdenum trisulfate, institute
State zinc and include that at least one in zinc oxide and zinc sulfate, described manganese include at least one in manganese oxide and manganese sulfate,
Described trace element also includes at least one in copper oxide, copper sulfate, magnesium oxide and magnesium sulfate.
10. according to described method arbitrary in claim 3,4,5 and 9, it is characterised in that described nitrogenous fertilizer is ammonium fertilizer, nitre
At least one in state nitrogenous fertilizer, ammonium state nitrate fertilizer and amide nitrogen fertilizer, described phosphate fertilizer be water soluble phosphorous fertilizer, citrate acid soluble phosphatic fertilizer,
At least one in difficultly soluble phosphatic fertilizer, described potash fertilizer is potassium chloride, potassium sulfate, potassium dihydrogen phosphate, sylvite, potassium magnesium salt, light halogen
At least one in stone, potassium nitrate and flue ash potash.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718596A (en) * | 2012-03-19 | 2012-10-10 | 四川宏塔生物有机肥有限公司 | Biological straw fertilizer, and production method and application thereof |
| CN103480627A (en) * | 2013-08-21 | 2014-01-01 | 安徽格义循环经济产业园有限公司 | Novel recycling comprehensive utilization technology for agricultural and forestry waste |
| CN103787715A (en) * | 2012-11-01 | 2014-05-14 | 长沙创远环保科技有限公司 | Preparation method of straw fertilizer |
| CN105601374A (en) * | 2015-12-21 | 2016-05-25 | 成都新柯力化工科技有限公司 | Preparation method of compound ecological fertilizer from plant stalks |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718596A (en) * | 2012-03-19 | 2012-10-10 | 四川宏塔生物有机肥有限公司 | Biological straw fertilizer, and production method and application thereof |
| CN103787715A (en) * | 2012-11-01 | 2014-05-14 | 长沙创远环保科技有限公司 | Preparation method of straw fertilizer |
| CN103480627A (en) * | 2013-08-21 | 2014-01-01 | 安徽格义循环经济产业园有限公司 | Novel recycling comprehensive utilization technology for agricultural and forestry waste |
| CN105601374A (en) * | 2015-12-21 | 2016-05-25 | 成都新柯力化工科技有限公司 | Preparation method of compound ecological fertilizer from plant stalks |
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Application publication date: 20161116 |