CN106631286A - Phosphorus-rich efficient compost product prepared through biological phosphorus accumulation, and method thereof - Google Patents
Phosphorus-rich efficient compost product prepared through biological phosphorus accumulation, and method thereof Download PDFInfo
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- CN106631286A CN106631286A CN201710028415.3A CN201710028415A CN106631286A CN 106631286 A CN106631286 A CN 106631286A CN 201710028415 A CN201710028415 A CN 201710028415A CN 106631286 A CN106631286 A CN 106631286A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
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Abstract
The invention provides a phosphorus-rich efficient compost product prepared through biological phosphorus accumulation, and a method thereof, and relates to the field of organic solid waste reclamation. The method of the phosphorus-rich efficient compost product prepared through biological phosphorus accumulation comprises the following steps: 1, uniformly mixing organic solid waste, phosphate-solubilizing bacterium complex microbial inoculants, ground phosphate rock and charcoal; then, performing aerobic composting treatment; 2, when the aerobic composting is performed to a temperature reduction period, i.e., the temperature is lowered to 45 to 50 DEG C, adding the phosphate solubilizing bacterium complex microbial inoculants again; performing uniform mixing through stirring; 3, performing the aerobic composting to be near a thoroughly decomposed period, i.e., the period in which the temperature is reduced and is maintained at 40+/-2 DEG C; inoculating the phosphorus-accumulating bacterium complex microbial inoculants; finally, obtaining the phosphorus-rich compost product. By using the microbial agent, the problems of weak phosphorus supply capability and low phosphorus element utilization rate of a phosphorus fertilizer product in the prior art can be effectively solved; meanwhile, the source utilization of the organic solid waste compost can be favorably realized.
Description
Technical field
The present invention relates to organic solid castoff resource field, more particularly to the rich phosphorus efficiency prepared by biological poly- phosphorus
Composting production and its method.
Background technology
Phosphorus is one of nutrient necessary to plant growth, is mainly carried by applying inorganic phosphorus fertilizer in agricultural production
Rise soil phosphorus content to meet crop demand;Ground phosphate rock as production inorganic phosphorus fertilizer primary raw material, due to by excessive exploitation,
Tellurian reserves less than 20%, therefore, ground phosphate rock deficiency is that phosphorus element crisis may affect and threaten the following whole world
How grain security, improve the utilization ratio of ground phosphate rock and develop the weight that New-type long-acting phosphate fertilizer is always research in agricultural production
Point.
Composting process is a kind of regulatable biodegradation process, and house refuse, crop residues and feces of livestock and poultry etc. are organic
Containing abundant P elements in solid waste, processing organic solid castoff using composting process not only can produce potential phosphorus
Fertilizer, alleviates phosphate rock resource crisis, can reduce the improper environmental pollution for processing and bringing with effective process organic solid castoff.
Additionally, in compost production, also often mixing low taste ground phosphate rock with organic waste carries out compost, to improving composting production
Phosphorus supply capacity, organic fertility and quality, but often in composting production total phosphorus content be improved and using phosphorus content simultaneously
Improved.
Phosphate solubilizing bacteria is a class functional microorganism of rhizosphere soil generally existing, can by slightly solubility be it is difficult using Phos and
Organophosphor resolves into soluble phosphate or absorbs to intracellular, improves the utilization ratio of phosphorus.Although rich in rich in composting process
Rich microorganism, wherein comprising a part of phosphate solubilizing bacteria, but in view of functions such as complex environment in composting process, indigenous phosphate solubilizing bacterias
Microorganism is difficult to efficiently play a role for a long time, therefore, it is badly in need of P utilization in a kind of raising ground phosphate rock, phosphate solubilizing bacteria is played comprehensively
Function, the method for preparing real rich phosphorus efficiency composting production.
The content of the invention
The invention provides a kind of method of the rich phosphorus efficiency composting production prepared by biological poly- phosphorus, to solve existing skill
The problem that is effectively improved is not obtained in art using phosphorus content in composting production.
For achieving the above object, technical scheme is implemented as follows:A kind of rich phosphorus height prepared by biological poly- phosphorus
The method of effect composting production, comprises the following steps:
Step one, organic solid castoff is well mixed with phosphate solubilizing bacteria composite bacteria agent, ground phosphate rock and charcoal after carry out
Aerobic compost process, wherein, the ground phosphate rock, charcoal and polyP bacteria composite bacteria agent account for the dry weight of the organic solid castoff
Than being respectively 5-10%, 5-15% and 1-5%;
Step 2, carry out to cooldown period, i.e. temperature being down to 45-50 DEG C in the aerobic compost, phosphate solubilizing bacteria is added again and is answered
Close microbial inoculum to be uniformly mixed, the adding proportion of the phosphate solubilizing bacteria composite bacteria agent is the aerobic compost material dry weight
0.5-3%;
Step 3, carry out to being close to becoming thoroughly decomposed the phase in the aerobic compost, i.e., temperature is reduced and maintains 40 ± 2 DEG C, inoculation
PolyP bacteria composite bacteria agent, finally obtains rich phosphorus composting production.
In step one, the organic solid castoff is degradable organic solid castoff, including feces of livestock and poultry, life rubbish
Rubbish, changing food waste, garden garbage, fruits and vegetables rubbish and stalk.
Further, various microorganisms contained in the phosphate solubilizing bacteria composite bacteria agent and weight proportion are as follows:Bacillus
Category 30-35%, pseudomonas 15-20%, Wei Si Bordetella 5-10%, branch bacillus 5-10%, corynebacterium 10-
15%th, enterococcus spp 5-10%, Klebsiella 10-15%, streptomyces 5-10%.
Further, in step one, it is 25-30 that the moisture content of the aerobic compost material is 60-70%, carbon-nitrogen ratio;Will
Step one aerobic compost material is positioned under the conditions of outdoor ventilation carries out aerobic compost.
Further, the charcoal preparation process is as follows:By biomass such as stalks in anoxic or anoxybiotic environment, Jing is high
Solid-state richness carbon product is generated after warm cracking.
Present invention additionally comprises a kind of rich phosphorus compost prepared by said method.
The present invention has the advantages that:The present invention carries out being segmented repeatedly inoculation phosphate solubilizing bacteria compound bacteria in suitable condition
Agent, and add charcoal, improve adaptability of the phosphate solubilizing bacteria in compost, promote it to play Soluble phosphorus, release the effect of phosphorus, improve phosphorus ore
Active phosphorus content in the bioavailability and composting process of powder, and in compost post incoulation polyP bacteria composite bacteria agent, utilize it
Excess free active phosphorus can be sucked into internal function with aerobic state, promote phosphate biological fixation, be lifted
Microbial biomass P in composting production, ultimately forms a kind of method for preparing rich phosphorus efficiency compost, has both realized waste resource again
Utilize, functional activity and ground phosphate rock, the phosphorous use efficiency of phosphorous organic waste of phosphate solubilizing bacteria are improve again.
This method is not only improved realizes the recycling of organic solid waste compost, while substantially improving compost solution
Phosphorus fungi degradation phosphorus function, the bioavailability of ground phosphate rock, and improve microbial biomass in composting production using polyP bacteria composite bacteria agent
Phosphorus content, is conducive to preparing rich phosphorus efficiency composting production.
Specific embodiment
A kind of method of the rich phosphorus efficiency composting production prepared by biological poly- phosphorus, is comprised the following steps:
Step one, organic solid castoff is well mixed with phosphate solubilizing bacteria composite bacteria agent, ground phosphate rock and charcoal after carry out
Aerobic compost process, wherein, the ground phosphate rock, charcoal and polyP bacteria composite bacteria agent account for the dry weight of the organic solid castoff
Than being respectively 5-10%, 5-15% and 1-5%;
Step 2, carry out to cooldown period, i.e. temperature being down to 45-50 DEG C in the aerobic compost, phosphate solubilizing bacteria is added again and is answered
Close microbial inoculum to be uniformly mixed, the adding proportion of the phosphate solubilizing bacteria composite bacteria agent is the aerobic compost material dry weight
0.5-3%;
Step 3, carry out to being close to becoming thoroughly decomposed the phase in the aerobic compost, i.e., temperature is reduced and maintains 40 ± 2 DEG C, inoculation
PolyP bacteria composite bacteria agent, finally obtains rich phosphorus composting production.
In step one, the organic solid castoff is degradable organic solid castoff, including feces of livestock and poultry, life rubbish
Rubbish, changing food waste, garden garbage, fruits and vegetables rubbish and stalk.The moisture content of the aerobic compost material is 60-70%, carbon-nitrogen ratio
For 25-30, and outdoor is placed under ventilation condition, the stabilisation and humification process in order to aerobic compost.
Contained various microorganisms and weight proportion are as follows in phosphate solubilizing bacteria composite bacteria agent:Bacillus 30-35%, false list
Born of the same parents Pseudomonas 15-20%, Wei Si Bordetella 5-10%, branch bacillus 5-10%, corynebacterium 10-15%, enterococcus spp
5-10%, Klebsiella 10-15%, streptomyces 5-10%;Micro- life in phosphate solubilizing bacteria composite bacteria agent is organic solid
Common indigenous bacterium in castoff compost.PolyP bacteria composite bacteria agent is the commercialization microbial inoculum of direct purchase.
The charcoal preparation process is as follows:By biomass such as stalks in anoxic or anoxybiotic environment, Jing high temperature pyrolysises
The solid-state richness carbon product i.e. charcoal for generating afterwards.
2 addition phosphate solubilizing bacteria composite bacteria agents of the present invention point, are to reduce the fermentation starting stage to phosphate solubilizing bacteria compound bacteria
Negative effect, while increasing phosphate solubilization time and effect, increases discomposing effect of the microorganism to ground phosphate rock.
The effect in production practices of the present invention is described further with reference to specific embodiment:
Embodiment 1
Using solid waste such as house refuse and wood chips as compost material, carbon-nitrogen ratio (C/N) is adjusted to 25 or so, it is aqueous
Rate is about 60%, and addition mass ratio is 10% ground phosphate rock, and adds bacillus 30-35%, pseudomonas 15-
20%th, Wei Si Bordetella 5-10%, branch bacillus 5-10%, corynebacterium 10-15%, enterococcus spp 5-10%, gram
The phosphate solubilizing bacteria composite bacteria agent of the primary Bordetella 10-15% of thunder and streptomyces 5-10% composition.
Choose three groups of heterogeneities to be respectively processed:
First group (A1), in the phosphate solubilizing bacteria composite bacteria agent of compost initial vaccination 3%, material is well mixed carries out aerobic compost;
Second group (A2) on the basis of inoculation phosphate solubilizing bacteria composite bacteria agent, at the compost initial stage 10% is added again compared with A1
Charcoal, other processing methods are consistent with A1;
3rd group (A3) adds 10% charcoal compared with A1 at the compost initial stage, while being inoculated with 1.5% phosphate solubilizing bacteria compound bacteria
Agent, material is well mixed carries out aerobic compost compost, carries out to cooldown period, about 45 degrees Celsius of temperature, inoculates 1.5% phosphorus decomposing
Bacterium composite bacteria agent, is well mixed, and in compost to closely becoming thoroughly decomposed the phase, inoculates 2% polyP bacteria composite bacteria agent, is well mixed, until heap
Fertilizer becomes thoroughly decomposed completely.
Effect analysis:Total phosphorus content is 1.46%, i.e. 14.6g/kg before compost, is using active phosphorus proportion
12.1%, microbial biomass phosphorus content is only 110.2 μ g/g, and in composting production, due to three kinds of process addition ground phosphate rock amounts and heap
Fertile material is consistent, therefore total phosphorus content is close, and total phosphorus content is about 1.91%, i.e. 19.1g/kg, but three kinds process phosphorus component and exist
Significant difference is as follows using active phosphorus proportion in composting production:16.0% (A1), 28.7% (A2), 23.0% (A3);
And microbial biomass phosphorus content is as follows:193.9 μ g/g (A1), 269.1 μ g/g (A2), 556.6 μ g/g (A3), illustrate using the present invention
The method (A3) of proposition and not only added phosphate solubilizing bacteria composite bacteria agent but add charcoal (A2) obtain composting production with only inoculation solution
Control group (A1) composting production of phosphorus bacterium composite bacteria agent is compared, and significantly improves the conversion of compost ground phosphate rock phosphorus component, is significantly improved
P bioavailability in ground phosphate rock and compost, and the inventive method (A3) further promotes to utilize active phosphorus to microbial biomass P
Conversion, compares with A1 with A2, and microbial biomass phosphorus content reaches 2.87 times of A1,2.07 times of A2.
Embodiment 2
A2 and A3 composting productions in embodiment 1 are applied into wheat planting warmhouse booth with 40kg/ha compost phosphorus amount equivalent
Tested, and be simulated rain leaching weekly, it is water-soluble in detection this season wheat average product and soil during to harvesting wheat
Property phosphorus etc. can utilize active phosphorus changes of contents, as a result (table 1) is available compared with the process of A3 phosphate fertilizer although showing that A2 phosphate fertilizer processes the initial stage
Active phosphorus content is slightly higher, but two kinds of phosphate fertilizer products are little to the average yield effect difference of wheat, illustrates that A3 processes right with A2 process
It is close in wheat growth phosphorus supply fertility, but can be seen that A3 composting productions apply soil using active phosphorus comparision contents from final soil
Earth is significantly higher than A2 compost and applies soil, illustrates that A3 composting productions reduce phosphorus loss and are while ensureing that phosphate fertilizer is supplied, effectively
Phosphate fertilizer loss late, improves efficiencies.
Effect analysis:On the basis of guaranteeing that organic solid waste compost normally becomes thoroughly decomposed, focus on improves phosphorus to the present invention
Using active phosphorus component in breeze, the usability of low grade rock phosphate thus can be fully improved, meanwhile, significantly improve heap
Fertilizer product microbial biomass phosphorus content is the biological fixation of excess activity phosphorus, increases the phosphorus element biological utilisation effect of phosphorous organic waste
Rate, successfully prepares rich phosphorus efficiency composting production.
Table 1
Charcoal used by the present invention is both the conditioner of compost and the modifying agent of phosphate solubilizing bacteria life condition, and inoculation is used
Phosphate solubilizing bacteria composite bacteria agent comes from different organic castoff compost processes, while composting organisms security is ensured, by segmentation
Inoculation, extends phosphate solubilizing bacteria composite bacteria agent in the action period of composting process, and the improvement compost environment formed using charcoal, changes
Activity of the kind phosphorus decomposing microbial inoculum in composting process, preferably survives in composting process and plays phosphorus decomposing, releases phosphorus effect, effectively promotees
Enter the conversion of phosphorus component in organic waste and low taste ground phosphate rock, improve phosphorus element bioavailability, and in the compost later stage
Phosphate solubilizing bacteria is played after effect, promotes the excess activity phosphorus for converting generation by phosphate solubilizing bacteria to be transformed into by polyP bacteria composite bacteria agent micro-
Biomass phosphorus, improves the biological fixation efficiency of excess activity phosphorus in composting process.
Embodiment 3
A kind of method of rich phosphorus efficiency composting production prepared by biological poly- phosphorus of the present invention, is comprised the following steps:
Step one, organic solid castoff is well mixed with phosphate solubilizing bacteria composite bacteria agent, ground phosphate rock and charcoal after carry out
Aerobic compost process, wherein, the ground phosphate rock, charcoal and polyP bacteria composite bacteria agent account for the dry weight of the organic solid castoff
Than being respectively 5%, 5% and 1%;
Step 2, carry out to cooldown period, i.e. temperature being down to 45 DEG C in the aerobic compost, phosphate solubilizing bacteria compound bacteria is added again
Agent is uniformly mixed, and the adding proportion of the phosphate solubilizing bacteria composite bacteria agent is the 3% of the aerobic compost material dry weight;
Step 3, carry out to being close to becoming thoroughly decomposed the phase in the aerobic compost, i.e., temperature is reduced and maintains 42 DEG C, is inoculated with poly- phosphorus
Bacterium composite bacteria agent, finally obtains rich phosphorus composting production.
Embodiment 4
A kind of method of rich phosphorus efficiency composting production prepared by biological poly- phosphorus of the present invention, is comprised the following steps:
Step one, organic solid castoff is well mixed with phosphate solubilizing bacteria composite bacteria agent, ground phosphate rock and charcoal after carry out
Aerobic compost process, wherein, the ground phosphate rock, charcoal and polyP bacteria composite bacteria agent account for the dry weight of the organic solid castoff
Than being respectively 10%, 15% and 5%;
Step 2, carry out to cooldown period, i.e. temperature being down to 50 DEG C in the aerobic compost, phosphate solubilizing bacteria compound bacteria is added again
Agent is uniformly mixed, and the adding proportion of the phosphate solubilizing bacteria composite bacteria agent is the 3% of the aerobic compost material dry weight;
Step 3, carry out to being close to becoming thoroughly decomposed the phase in the aerobic compost, i.e., temperature is reduced and maintains 40 DEG C, is inoculated with poly- phosphorus
Bacterium composite bacteria agent, finally obtains rich phosphorus composting production.
The present invention is effectively improved the low problem of ground phosphate rock usability, it is to avoid the excess of ground phosphate rock is applied, and prepares rich phosphorus heap
Fertilizer method not only improve the recycling for realizing organic solid waste compost, improve again phosphate solubilizing bacteria functional activity and
P availability in ground phosphate rock, while promoting the biological fixation of phosphorus by improving composting production microbial biomass P, increase is phosphorous to be had
The phosphorus element bioavailable efficiency of machine discarded object.
The above is only presently preferred embodiments of the present invention, is not intended to limit embodiment of the present invention, and this area is general
Logical technical staff central scope of the invention and spirit, can very easily carry out corresponding flexible or modification, therefore this
The protection domain of invention should be defined by the protection domain required by claims.
Claims (6)
1. a kind of method of the rich phosphorus efficiency composting production prepared by biological poly- phosphorus, it is characterised in that comprise the following steps:
Step one, organic solid castoff is well mixed into laggard oxygen of acting charitably with phosphate solubilizing bacteria composite bacteria agent, ground phosphate rock and charcoal
Compost treatment, wherein, the ground phosphate rock, charcoal and polyP bacteria composite bacteria agent account for the dry weight score of the organic solid castoff
Wei not 5-10%, 5-15% and 1-5%;
Step 2, carry out to cooldown period, i.e. temperature being down to 45-50 DEG C in the aerobic compost, phosphate solubilizing bacteria compound bacteria is added again
Agent is uniformly mixed, and the adding proportion of the phosphate solubilizing bacteria composite bacteria agent is the 0.5- of the aerobic compost material dry weight
3%;
Step 3, carry out to being close to becoming thoroughly decomposed the phase in the aerobic compost, i.e., temperature is reduced and maintains 40 ± 2 DEG C, is inoculated with poly- phosphorus
Bacterium composite bacteria agent, finally obtains rich phosphorus composting production.
2. the method for the rich phosphorus efficiency composting production prepared by biological poly- phosphorus according to claim 1, it is characterised in that:
In step one, the organic solid castoff is degradable organic solid castoff, including feces of livestock and poultry, house refuse, kitchen
Rubbish, garden garbage, fruits and vegetables rubbish and stalk.
3. the method for the rich phosphorus efficiency composting production prepared by biological poly- phosphorus according to claim 1, it is characterised in that:
Contained various microorganisms and weight proportion are as follows in the phosphate solubilizing bacteria composite bacteria agent:Bacillus 30-35%, pseudomonad
Category 15-20%, Wei Si Bordetella 5-10%, branch bacillus 5-10%, corynebacterium 10-15%, enterococcus spp 5-
10%th, Klebsiella 10-15%, streptomyces 5-10%.
4. the method for the rich phosphorus efficiency composting production prepared by biological poly- phosphorus according to claim 1, it is characterised in that:
In step one, it is 25-30 that the moisture content of the aerobic compost material is 60-70%, carbon-nitrogen ratio;By step one aerobic compost material
Being positioned under the conditions of outdoor ventilation carries out aerobic compost.
5. the method for the rich phosphorus efficiency composting production prepared by biological poly- phosphorus according to claim 1, it is characterised in that:
The charcoal preparation process is as follows:By biomass such as stalks in anoxic or anoxybiotic environment, generate Jing after high temperature pyrolysis solid
State richness carbon product.
6. the rich phosphorus efficiency composting production that prepared by a kind of method by the claims 1 to 5.
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Cited By (6)
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CN107903134A (en) * | 2017-11-16 | 2018-04-13 | 陕西科技大学 | A kind of method of apple tree beta pruning converted in-situ charcoal organic fertilizer |
CN109336716A (en) * | 2018-10-29 | 2019-02-15 | 四川大宇中和农业科技发展有限公司 | Carbon-based biological compound organic fertilizer of one kind and preparation method thereof |
CN112279710A (en) * | 2020-07-10 | 2021-01-29 | 江西农业大学 | Phosphorus-dissolving bacterial fertilizer and application thereof |
CN113582780A (en) * | 2021-08-12 | 2021-11-02 | 中国科学院城市环境研究所 | Phosphorus-rich and silicon-rich compost product prepared by adding yellow phosphorus slag and production method thereof |
CN114181003A (en) * | 2021-09-24 | 2022-03-15 | 中农新科(苏州)有机循环研究院有限公司 | Preparation method of efficient phosphate fertilizer from kitchen waste |
CN116120130A (en) * | 2023-01-19 | 2023-05-16 | 同济大学 | Method for efficiently improving bioavailability of phosphorus in sludge pyrolysis biochar |
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CN107903134A (en) * | 2017-11-16 | 2018-04-13 | 陕西科技大学 | A kind of method of apple tree beta pruning converted in-situ charcoal organic fertilizer |
CN109336716A (en) * | 2018-10-29 | 2019-02-15 | 四川大宇中和农业科技发展有限公司 | Carbon-based biological compound organic fertilizer of one kind and preparation method thereof |
CN109336716B (en) * | 2018-10-29 | 2021-11-12 | 四川大宇中和农业科技发展有限公司 | Carbon-based biological compound organic fertilizer and preparation method thereof |
CN112279710A (en) * | 2020-07-10 | 2021-01-29 | 江西农业大学 | Phosphorus-dissolving bacterial fertilizer and application thereof |
CN112279710B (en) * | 2020-07-10 | 2022-05-24 | 江西农业大学 | Phosphorus-dissolving bacterial fertilizer and application thereof |
CN113582780A (en) * | 2021-08-12 | 2021-11-02 | 中国科学院城市环境研究所 | Phosphorus-rich and silicon-rich compost product prepared by adding yellow phosphorus slag and production method thereof |
CN114181003A (en) * | 2021-09-24 | 2022-03-15 | 中农新科(苏州)有机循环研究院有限公司 | Preparation method of efficient phosphate fertilizer from kitchen waste |
CN116120130A (en) * | 2023-01-19 | 2023-05-16 | 同济大学 | Method for efficiently improving bioavailability of phosphorus in sludge pyrolysis biochar |
CN116120130B (en) * | 2023-01-19 | 2023-12-01 | 同济大学 | Method for efficiently improving bioavailability of phosphorus in sludge pyrolysis biochar |
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