CN104261947B - A kind of fertilizer utilizing Threonine Fermentation garbage to prepare - Google Patents
A kind of fertilizer utilizing Threonine Fermentation garbage to prepare Download PDFInfo
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Abstract
The invention belongs to biofermentation industry Wastewater treating field, disclose a kind of fertilizer utilizing Threonine Fermentation garbage to prepare, it is prepared from accordance with the following steps, step 1) prepares threonine fermentation liquid, step 2) filter and decolouring, step 3) separation crystal and mother solution, step 4) hydrolysis tropina, step 5) prepares feed liquid A, and step 6) prepares fertilizer.This fertilizer is effectively utilized amino acid fermentation waste material, reduces fertilizer production cost, it is achieved that turn waste into wealth, and fertilizer efficiency is lasting, is better than market like product.
Description
Technical field
The invention belongs to biofermentation industry Wastewater treating field, be specifically related to a kind of fertilizer utilizing Threonine Fermentation garbage to prepare.
Background technology
Threonine is a kind of essential amino acid, it it is the 3rd limiting amino acid of the second limiting amino acid of pig feed and poultry feed, along with lysine, the extensive use in mixed feed of the methionine composite, threonine is increasingly becoming the major limiting factors affecting growth of animals or poultry.Threonine is mainly used as feed additive, and its production stage is concentration, crystallization, fox extracting thallus protein, and the tropina produced in its process and mother liquid disposal difficulty are relatively big, relatively costly, it is difficult to obtain the side-product that sexual valence is higher.
The development of China's fertilizer and application history, be Main Stage from farm manure to using inorganic fertilizer, and because farm manure polluter is many, freight volume is big, operationally wastes time and energy and effect is not obvious especially；And inorganic fertilizer composition is single, utilization rate is relatively low, and often causes soil compaction and with soil erosion polluted source, influence ecological environment.At present, the inorganic composite fertilizer etc. of market many employings Nitrogen-and Phosphorus-containing potassium, the fertilizer efficiency of this compound fertilizer is comprehensive, but it is not lasting to there is also fertilizer efficiency, it is easy to the defects such as loss；The more important thing is, the price of current compound fertilizer is higher, brings bigger burden to peasant, how to reduce fertilizer cost, and improving farmers' income is the agricultural modernization technical issues that need to address.
Summary of the invention
In order to overcome the defect of prior art, the invention provides a kind of fertilizer utilizing Threonine Fermentation garbage to prepare, this fertilizer is effectively utilized amino acid fermentation waste material, reduce fertilizer production cost, achieve and turn waste into wealth, and fertilizer efficiency is lasting, is better than market like product.
For achieving the above object, the present invention is by the following technical solutions:
A kind of fertilizer utilizing Threonine Fermentation garbage to prepare, it comprises the steps:
Step 1) prepares threonine fermentation liquid, step 2) filter and decolouring, step 3) separation crystal and mother solution, step 4) hydrolysis tropina, step 5) prepares feed liquid A, and step 6) prepares fertilizer；
Specifically, it is prepared from accordance with the following steps:
1) threonine fermentation liquid is prepared: colibacillus engineering K12 △ dapA and brevibacterium flavum ATCC14067 mixed bacteria liquid are cultivated according in the inoculum concentration access seed tank of 10%, it it is 32 DEG C in temperature, shaking speed is 180-200r/min, cultivates and obtains liquid A in 12-16 hour；Then according to liquid A: fermentation tank culture medium be 1: 10 volume ratio proceed in fermentation tank and cultivate, temperature 32 DEG C, cultivate 5 days, obtain fermentation liquid；
2) filter and decolour: fermentation liquor mocromembrane filters, and described mocromembrane aperture is 0.04-0.06 μm, centrifugal 3-5 minute of 3000r/min, collects bacteria-removing liquid and tropina；Then bacteria-removing liquid pumping into bleacher and carries out desolventing technology, add accounting for the activated carbon of bacteria-removing liquid quality 1-1.5% in bleacher, the temperature controlled in bleacher is 45 DEG C, decolour after 30 points, obtains liquid B with plate-and-frame filtration removal activated carbon；
3) crystal and mother solution are separated: liquid B is concentrated into the 1/3 of stock solution volume, then crystallization through evaporator, finally centrifugal collection threonine crystal and mother solution；
4) hydrolysis tropina: tropina is dried, pulverizer is ground into Powdered, it is subsequently placed in reactor, add the hydrochloric acid of 6-8mol/L, not have raw material to be as the criterion, stirring hydrolysis 12-15 hour at 60 DEG C of temperature, mixing speed is 100 turns/min, use in potassium hydroxide after reaction terminating and remaining hydrochloric acid, obtain amino acid solution, then according to the ratio that mol ratio is 3:1 of aminoacid and metal ion adds metal ion, controlling temperature is 40 DEG C, time is 30min, pH carries out chelatropic reaction 7.0, finally chelate products is concentrated, dry and pulverize, obtain amino-acid chelate；
5) feed liquid A is prepared: add in agitator tank by amino-acid chelate, corn stalk powder, kieselguhr and mother solution according to the mass ratio of 1:3:3:10,500 revs/min are stirred 10 minutes, subsequently into retort, the temperature controlling retort is 100 DEG C, react 15 minutes, it is subsequently cooled to room temperature, obtains feed liquid A；Wherein, amino-acid chelate, corn stalk powder or diatomaceous particle diameter all control at 50-100 order；
6) fertilizer is prepared: mixing according to feed liquid A, MAP, carbamide and water, 1000 turns/min stirs 5min, is then added to pelletize in double-screw extruding pelletizing machine, dry packing and get final product；Wherein, the part by weight of feed liquid A, MAP, carbamide and water is 3:2:2:1.
Wherein it is preferred to, described mixed bacteria liquid is that 5: 1 mixing prepare by colibacillus engineering liquid and brevibacterium flavum liquid according to volume ratio；
Described metal ion is formed according to the mixed in molar ratio of 1:1:1 by copper ion, calcium ion and zinc ion.
The beneficial effect that the present invention obtains specifically includes that
The present invention amino acid whose make use of tropina and mother solution producing simultaneously, eliminates mother liquid disposal process, reduces production cost, it is achieved that turn waste into wealth, the utilization rate of resource is greatly improved；The present invention will utilize tropina to prepare into chelating aminoacid, it is to avoid uses expensive protein raw materials, and substantially increases fertilizer efficiency；Fertilizer prepared by the present invention not only employs fermentation fertilizer, also added wastes of crops, reduces cost of material, and fertilizer efficiency is better, it is adaptable to multiple kinds of crops；The present invention adds potassium hydroxide as nertralizer, and the potassium salt of its generation can as compound fertilizer's potassium component；The present invention is on the basis of existing technology, found by lot of experiments, two kinds of bacterium solution are adopted to mix according to a certain percentage, therebetween possesses certain synergism, than conventional single strain fermentation method, it is possible to be greatly improved the yield of threonine, adopt best proportion 5: 1 mixing, under the premise that other conditions are constant, yield can improve more than 20% compared with the single bacterial strain of escherichia coli.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical scheme in the application, below in conjunction with the application specific embodiment, the present invention is carried out clearly, is fully described by, it is clear that, described embodiment is only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of protection of the invention.
Embodiment 1
A kind of fertilizer utilizing Threonine Fermentation garbage to prepare, it comprises the steps:
Step 1) prepares threonine fermentation liquid, step 2) filter and decolouring, step 3) separation crystal and mother solution, step 4) hydrolysis tropina, step 5) prepares feed liquid A, and step 6) prepares fertilizer；
1) threonine fermentation liquid is prepared: can referring to " optimization of colibacillus engineering K12 △ dapA fermentation product L-threonine culture medium " by colibacillus engineering K12 △ dapA(, Agriculture in Hunan science) and brevibacterium flavum ATCC14067(can referring to documents such as CN1305009A and CN1284560A) mixed bacteria liquid accesses in seed tank according to the inoculum concentration of 10% and cultivates, it it is 32 DEG C in temperature, shaking speed is 180r/min, cultivates and obtains liquid A in 12 hours；Then according to liquid A: fermentation tank culture medium be 1: 10 volume ratio proceed in fermentation tank and cultivate, temperature 32 DEG C, cultivate 5 days, obtain fermentation liquid；The basic parameter preparing fermentation liquid is: threonine content: 13g/100ml, dry: 15g/100ml；Wherein, by colibacillus engineering liquid, (concentration is 1 × 10 to mixed bacteria liquid8Individual/mL) and brevibacterium flavum liquid (concentration is 1 × 108Individual/mL) according to volume ratio be 5: 1 mixing prepare；Seed tank culture is basis set is divided into (1L): yeast extract 5g, glucose 3g, ammonium sulfate 0.5g, ferrous sulfate heptahydrate 0.02g, MgSO40.02g, KH2PO40.1g, all the other are water, pH value 6.5；Described Fermenter Medium Component is: glucose 60g/L, Semen Maydis pulp 20g/L, ammonium sulfate 2g/L, KH2PO40.1g/L, MgSO42g/L, NaCl0.2g/L, pH value 6.5；
2) filter and decolour: fermentation liquor mocromembrane filters, and described mocromembrane aperture is 0.04 μm, centrifugal 3 minutes of 3000r/min, collects bacteria-removing liquid and tropina；Then bacteria-removing liquid pumping into bleacher and carries out desolventing technology, add accounting for the activated carbon of bacteria-removing liquid quality 1.5% in bleacher, the temperature controlled in bleacher is 45 DEG C, decolour and obtains liquid B with plate-and-frame filtration removal activated carbon after 30 points；
3) crystal and mother solution are separated: liquid B is concentrated into the 1/3 of stock solution volume through evaporator, with batch (-type) single-action condensing crystallizing pot crystallization, when in pot, feed liquid starts to add crystal seed when being concentrated into Baume degrees 27, crystallization process controls temperature 65 DEG C, vacuum 0.08MPa, finally centrifugal collection threonine crystal and mother solution；
4) hydrolysis tropina: tropina is dried, pulverizer is ground into Powdered, it is subsequently placed in reactor, add the hydrochloric acid of 8mol/L, not have raw material to be as the criterion, stirring hydrolysis 12 hours at 60 DEG C of temperature, mixing speed is 100 turns/min, use in potassium hydroxide after reaction terminating and remaining hydrochloric acid, it is neutral for making solution, obtain amino acid solution, then according to the ratio that mol ratio is 3:1 of aminoacid and metal ion adds metal ion, controlling temperature is 40 DEG C, time is 30min, pH carries out chelatropic reaction 7.0, finally chelate products is concentrated, dry and pulverize, obtain amino-acid chelate；Described metal ion is by copper ion (Cu2+), calcium ion (Ca2+) and zinc ion (Zn2+) form according to the mixed in molar ratio of 1:1:1；
5) feed liquid A is prepared: add in agitator tank by amino-acid chelate, corn stalk powder, kieselguhr and mother solution according to the mass ratio of 1:3:3:10,500 revs/min are stirred 10 minutes, subsequently into retort, the temperature controlling retort is 100 DEG C, react 15 minutes, it is subsequently cooled to room temperature, obtains feed liquid A；Wherein, amino-acid chelate, corn stalk powder or diatomaceous particle diameter all control at 50 orders；
6) fertilizer is prepared: mixing according to feed liquid A, MAP, carbamide and water, 1000 turns/min stirs 5min, is then added to pelletize in double-screw extruding pelletizing machine, dry packing and get final product；Wherein, the part by weight of feed liquid A, MAP, carbamide and water is 3:2:2:1.
Embodiment 2
A kind of fertilizer utilizing Threonine Fermentation garbage to prepare, it comprises the steps:
Step 1) prepares threonine fermentation liquid, step 2) filter and decolouring, step 3) separation crystal and mother solution, step 4) hydrolysis tropina, step 5) prepares feed liquid A, and step 6) prepares fertilizer；
1) threonine fermentation liquid is prepared: can referring to " optimization of colibacillus engineering K12 △ dapA fermentation product L-threonine culture medium " by colibacillus engineering K12 △ dapA(, Agriculture in Hunan science) and brevibacterium flavum ATCC14067(can referring to documents such as CN1305009A and CN1284560A) mixed bacteria liquid accesses in seed tank according to the inoculum concentration of 5% and cultivates, it it is 32 DEG C in temperature, shaking speed is 200r/min, cultivates and obtains liquid A in 16 hours；Then according to liquid A: fermentation tank culture medium be 1: 10 volume ratio proceed in fermentation tank and cultivate, temperature 32 DEG C, cultivate 5 days, obtain fermentation liquid；The basic parameter preparing fermentation liquid is: threonine content: 14g/100ml, dry: 16g/100ml；Wherein, by colibacillus engineering liquid, (concentration is 1 × 10 to mixed bacteria liquid8Individual/mL) and brevibacterium flavum liquid (concentration is 1 × 108Individual/mL) according to volume ratio be 5: 1 mixing prepare；Seed tank culture is basis set is divided into (1L): yeast extract 5g, glucose 3g, ammonium sulfate 0.5g, ferrous sulfate heptahydrate 0.02g, MgSO40.02g, KH2PO40.1g, all the other are water, pH value 6.5；Described Fermenter Medium Component is: glucose 60g/L, Semen Maydis pulp 20g/L, ammonium sulfate 2g/L, KH2PO40.1g/L, MgSO42g/L, NaCl0.2g/L, pH value 6.5；
2) filter and decolour: fermentation liquor mocromembrane filters, and described mocromembrane aperture is 0.06 μm, centrifugal 3 minutes of 3000r/min, collects bacteria-removing liquid and tropina；Then bacteria-removing liquid pumping into bleacher and carries out desolventing technology, add accounting for the activated carbon of bacteria-removing liquid quality 1% in bleacher, the temperature controlled in bleacher is 45 DEG C, decolour and obtains liquid B with plate-and-frame filtration removal activated carbon after 30 points；
3) crystal and mother solution are separated: liquid B is concentrated into the 1/3 of stock solution volume through evaporator, with batch (-type) single-action condensing crystallizing pot crystallization, the spontaneous nucleation when feed liquid is concentrated into Baume degrees 27 in pot, crystallization process controls temperature 65 DEG C, vacuum 0.08MPa, finally centrifugal collection threonine crystal and mother solution；
4) hydrolysis tropina: tropina is dried, pulverizer is ground into Powdered, it is subsequently placed in reactor, add the hydrochloric acid of 6mol/L, not have raw material to be as the criterion, stirring hydrolysis 15 hours at 60 DEG C of temperature, mixing speed is 200 turns/min, use in potassium hydroxide after reaction terminating and remaining hydrochloric acid, obtain amino acid solution, then according to the ratio that mol ratio is 3:1 of aminoacid and metal ion adds metal ion, controlling temperature is 40 DEG C, time is 30min, pH carries out chelatropic reaction 7.5, finally chelate products is concentrated, dry and pulverize, obtain amino-acid chelate；Described metal ion is by copper ion (Cu2+), calcium ion (Ca2+) and zinc ion (Zn2+) form according to the mixed in molar ratio of 1:1:1；
5) feed liquid A is prepared: add in agitator tank by amino-acid chelate, corn stalk powder, kieselguhr and mother solution according to the mass ratio of 1:3:3:10,500 revs/min are stirred 10 minutes, subsequently into retort, the temperature controlling retort is 100 DEG C, react 15 minutes, it is subsequently cooled to room temperature, obtains feed liquid A；Wherein, amino-acid chelate, corn stalk powder or diatomaceous particle diameter all control at 100 orders；
6) fertilizer is prepared: mixing according to feed liquid A, MAP, carbamide and water, 1000 turns/min stirs 5min, is then added to pelletize in double-screw extruding pelletizing machine, dry packing and get final product；Wherein, the part by weight of feed liquid A, MAP, carbamide and water is 3:2:2:1.
Embodiment 3
The manure trial of fertilizer of the present invention
One, the effect of plantation Sorghum vulgare Pers. is fat tests:
Matched group adopts compound fertilizer (nitrogen-phosphorus-potassium=23-7-6)；Experimental group adopts the fertilizer of the embodiment of the present invention 1 preparation；The soil property in experimental plot is identical with planting conditions, and area is one mu；Dose is 80kg/ mu.Concrete result of the test is in Table 1:
Table 1
| Group | Per mu yield (Kg) | Volume increase (%) | Fertilising puts into (unit) |
| Matched group | 487.9 | / | 208 |
| Experimental group | 523.1 | 7.21 | 168 |
Note: matched group fertilizer calculates according to 2.6 yuan/kg, experimental group calculates according to 2.1 yuan/kg.
Two, plantation Radix Ipomoeae fertilizer efficiency experiment:
Arranging two and process experimental plot, area is one mu, for matched group and experimental group.Matched group: NPK (N16-P22-K7)；Experimental group: the fertilizer of embodiment 1 preparation；The equal mu fertilising 60Kg in each experimental plot, on May 17th, 2013 plants, and digs to obtain October 20 then and gathers.Concrete result of the test is in Table 2:
Table 2
| Per mu yield (Kg) | Per mu yield increment (Kg) | Mu fertilising puts into (unit) | |
| Matched group | 2456 | / | 162 |
| Experimental group | 2673 | 217 | 126 |
Remarks: matched group fertilizer calculates according to 2.7 yuan/kg of price, experimental group calculates according to 2.1 yuan/kg.
Three, rice cultivation manure trial:
Arranging two and process experimental plot, area is one mu, for matched group and experimental group.Matched group: compound fertilizer (N16-P22-K7)；Experimental group: the fertilizer of embodiment 2 preparation；Often the consumption that makes of group experimental plot fertilizer is 50kg, and planting conditions is identical, gathers in the crops Oryza sativa L. simultaneously, measures Oryza sativa L. per mu yield and rate of growth；Detection Oryza sativa L. grain number per spike, mass of 1000 kernel and unfilled gtains number simultaneously.Result of the test is in Table 3:
Table 3
| Group | Unfilled gtains number (grain/fringe) | Grain number per spike (grain/fringe) | Mass of 1000 kernel (g) | Per mu yield (kg) |
| Matched group | 5.3 | 64.5 | 28.7 | 471.9 |
| Experimental group | 3.2 | 67.8 | 30.1 | 489.2 |
Conclusion (of pressure testing): find by planting multiple kinds of crops test, fertilizer prepared by the present invention is than the conventional compound fertilizer in market obvious effect of increasing production, with low cost, is conducive to improving the income of plantation cereal crops, improves the enthusiasm of peasant；This fertilizer is applicable to the field crops such as the longer Sorghum vulgare Pers. of trophophase, Radix Ipomoeae and Oryza sativa L., and its effect of increasing production is comparatively notable, can use by further genralrlization.
Although, above illustrate by generality and detailed explanation has been done in this case by detailed description of the invention, but on basis of the present invention, it is possible to it is made some modifications or improvements, and this will be apparent to those skilled in the art.Therefore, the amendment made without departing from theon the basis of the spirit of the present invention or improvement, belong to the scope of protection of present invention.
Claims (2)
1. one kind utilizes fertilizer prepared by Threonine Fermentation garbage, it is characterised in that described fertilizer is prepared from accordance with the following steps:
1) threonine fermentation liquid is prepared: accessed in seed tank according to the inoculum concentration of 10% by the mixed bacteria liquid of colibacillus engineering K12 △ dapA and brevibacterium flavum ATCC14067 and cultivate, temperature is 32 DEG C, shaking speed is 180-200r/min, cultivates and obtains liquid A in 12-16 hour；Then according to liquid A: fermentation tank culture medium be 1: 10 volume ratio proceed in fermentation tank and cultivate, temperature 32 DEG C, cultivate 5 days, obtain fermentation liquid；
2) filter and decolour: fermentation liquor mocromembrane filters, and described mocromembrane aperture is 0.04-0.06 μm, centrifugal 3-5 minute of 3000r/min, collects bacteria-removing liquid and tropina；Then bacteria-removing liquid pumping into bleacher and carries out desolventing technology, add the activated carbon accounting for bacteria-removing liquid quality 1-1.5% in bleacher, the temperature controlled in bleacher is 45 DEG C, after decolouring 30 minutes, removes activated carbon and obtains liquid B；
3) crystal and mother solution are separated: liquid B is concentrated into the 1/3 of stock solution volume, then crystallization through evaporator, finally centrifugal collection threonine crystal and mother solution；
4) hydrolysis tropina: tropina is dried, pulverizer is ground into Powdered, it is subsequently placed in reactor, add the hydrochloric acid of 6-8mol/L, not have raw material to be as the criterion, stirring hydrolysis 12-15 hour at 60 DEG C of temperature, mixing speed is 100 turns/min, use in potassium hydroxide after reaction terminating and remaining hydrochloric acid, obtain amino acid solution, then according to the ratio that mol ratio is 3:1 of aminoacid and metal ion adds metal ion, controlling temperature is 40 DEG C, time is 30min, pH is 7.0, carry out chelatropic reaction, finally chelate products is concentrated, dry and pulverize, obtain amino-acid chelate；
5) feed liquid A is prepared: add in agitator tank by amino-acid chelate, corn stalk powder, kieselguhr and mother solution according to the mass ratio of 1:3:3:10,500 revs/min are stirred 10 minutes, subsequently into retort, the temperature controlling retort is 100 DEG C, react 15 minutes, it is subsequently cooled to room temperature, obtains feed liquid A；Wherein, amino-acid chelate, corn stalk powder or diatomaceous particle diameter all control at 50-100 order；
6) fertilizer is prepared: mixing according to feed liquid A, MAP, carbamide and water, 1000 turns/min stirs 5min, is then added to pelletize in double-screw extruding pelletizing machine, dry packing and get final product；Wherein, the part by weight of feed liquid A, MAP, carbamide and water is 3:2:2:1;
Described mixed bacteria liquid is prepared according to volume ratio 5: 1 mixing by colibacillus engineering liquid and brevibacterium flavum liquid；
Described metal ion is formed according to the mixed in molar ratio of 1:1:1 by copper ion, calcium ion and zinc ion.
2. fertilizer according to claim 1, it is characterised in that described seed tank culture base is: yeast extract 5g, glucose 3g, ammonium sulfate 0.5g, ferrous sulfate heptahydrate 0.02g, MgSO40.02g, KH2PO40.1g, all the other are water, configure 1L, pH value 6.5；Described fermentation tank culture medium is: glucose 60g/L, Semen Maydis pulp 20g/L, ammonium sulfate 2g/L, KH2PO40.1g/L, MgSO42g/L, NaCl0.2g/L, pH value 6.5.
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| CN102911070A (en) * | 2012-11-13 | 2013-02-06 | 河南巨龙生物工程股份有限公司 | Technology for separating and extacting L-threonine from fermentation broth |
| CN103553828B (en) * | 2013-11-12 | 2015-04-15 | 天津北洋百川生物技术有限公司 | Liquid compound biological fertilizer with long shelf life as well as preparation method and application thereof |
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- 2014-10-07 CN CN201410519206.5A patent/CN104261947B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116773B (en) * | 2016-07-01 | 2019-05-24 | 内蒙古阜丰生物科技有限公司 | The technique for discarding thallus preparation Liquid organic fertilizer using amino acid fermentation |
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