CN106478164B - The preparation method of high-activity biological humic acid - Google Patents
The preparation method of high-activity biological humic acid Download PDFInfo
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- CN106478164B CN106478164B CN201610899204.2A CN201610899204A CN106478164B CN 106478164 B CN106478164 B CN 106478164B CN 201610899204 A CN201610899204 A CN 201610899204A CN 106478164 B CN106478164 B CN 106478164B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
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- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
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Abstract
The invention belongs to biomass resource technical field of comprehensive utilization, and in particular to a kind of preparation method of high-activity biological humic acid.It the described method comprises the following steps: isolating hemicellulose liquid and lignin stoste after agriculture and forestry organic waste material is pre-processed, pre-treatment step generates straw light ash simultaneously；Prepare biomass sludge；Prepare lignin；Prepare microbe leaven dilution；Biomass sludge, straw light ash and lignin are mixed, microbe leaven dilution ferments in sprinkling, obtains high-activity biological humic acid.For the present invention using the straw light ash, biomass sludge, lignin generated during agriculture and forestry organic waste material recycling high-efficiency comprehensive utilization as raw material, biological humic acid activity obtained is high, can be to fertilizer synergistic and to soil improvement；After low temperature drying, following index: fulvic acid >=18%, function bacterium >=1.5 × 10 can be reached8A/gram, moisture content≤15%, function bacterium is changed into gemma, can save the several months in the environment of sealing.
Description
Technical field
The invention belongs to biomass resource technical field of comprehensive utilization, and in particular to a kind of system of high-activity biological humic acid
Preparation Method.
Background technique
With the continuous improvement of China's agricultural planting scientific and technological level, the continuous propulsion of new countryside construction, life of farmers quality
Significantly improved, the living environment quality in rural area increasingly improves, and traditional agriculture and forestry organic waste material Land use systems also occur therewith
The apparent transformation of following several respects: chemical fertilizer generally uses due to the advantages that easy to use, quick, so that agriculture and forestry organic waste material is made
Become to get the brush-off in Production of Large Fields for fertilizer application；The quick of the modern goods energy such as coal, electricity, liquefied gas is popularized, instead of
Using the agriculture and forestry organic waste material fuel utilization mode traditional as rural area；Constantly bringing forth new ideas and develop with new material, it is some new
More environmentally-friendly and inexpensive modern architecture material substitution Land use systems of traditional agriculture and forestry organic waste material as part building materials.
In the prior art, the technology of agriculture and forestry organic waste material comprehensive utilization is there is also very big deficiency, the low efficiency of comprehensive utilization, at
This height.Eventually leading to agriculture and forestry organic waste material cannot be comprehensively utilized, and be both unfavorable for environmental protection, also result in the wasting of resources.Cause
This, explores using agriculture and forestry organic waste material resource as the stalk Huinong of carrier and the new way of low-carbon agriculture, solves stalk comprehensive utilization skill
Art becomes the hot spot of modern scientific research.
Agricultural crop straw main component is cellulose, hemicellulose and lignin, in addition also contains starch, protein, day
Macromolecular substances and alkaloid, amino acid, monosaccharide, antibiotic, hormone, flavonol, ketone, the sterides compounds such as right rubber, pectin
Object covers the small molecule compounds such as dilute class, also rich in various trace elements such as N, P, K, Ca, Mg, S.Wherein cellulose, hemicellulose
And lignin, account for 90% or more of stalk total amount.
Through the literature search of existing technologies, Chinese patent literature CN104692969A discloses a kind of biological humic
Sour Liquid Fertilizer and preparation method thereof；CN103497043A discloses a kind of root top dressing application water keeping fertilizer and preparation method thereof；
CN103922818A discloses a kind of technology and technique using sugar mill mud production biological humic acid, and CN105541422A is disclosed
A kind of humic acid fertilizer and preparation method thereof.However, all to ignore humic acid active important for these humic acid technologies of preparing
Property, and do not consider from recycling high-efficiency comprehensive utilization angle.Therefore, it is necessary to new for modern organic plantation agricultural development
Prepare high-activity biological humic technic acid.
Summary of the invention
According to the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a kind of preparations of high-activity biological humic acid
Method uses agriculture and forestry organic waste material for raw material, realizes agriculture and forestry organic waste material comprehensive utilization of resources, biological humic acid activity obtained
Height, can be to fertilizer synergistic and to soil improvement.
The preparation method of high-activity biological humic acid of the present invention, comprising the following steps:
(1) after by agriculture and forestry organic waste material by pretreatment cutting, dedusting, into centrifugal station, hemicellulose, fiber are isolated
Element and lignin, and straw light ash is generated, wherein the hemicellulose and lignin isolated are liquid phase, i.e. hemicellulose liquid and wood
Quality stoste；
(2) prepared by biomass sludge:
Hemicellulose liquid enters waste water treatment system, successively passes through pretreatment stage, biochemical treatment stage and advanced treating
Phase process, pretreatment stage go oil removal to generate preliminary sludge, and it is surplus that the biochemical treatment stage removes a large amount of dissolubility COD generations
Remaining activated sludge, the removal of advanced treating stage are not easy the pollutant being biodegradable on a small quantity and generate chemical sludge；
Preliminary sludge, residual active sludge and chemical sludge obtain biomass after mixing, concentration, flocculation, being dehydrated, drying
Sludge；
(3) prepared by lignin:
Lignin stoste is through being added the Ca (OH) of 10-100ppm2Flocculation, precipitating obtain biochemical lignin supernatant, cross 10-30
μm filter device after, obtain liquid biochemical lignin through film concentration and multiple-effect evaporation, after spray drying, obtain the biochemical wood of solid-state
Element, i.e. lignin；
(4) prepared by microbe leaven dilution:
Microbe leaven is added to the water and is stirred evenly, microbe leaven dilution is obtained；
(5) biomass sludge, straw light ash and lignin are uniformly mixed and are used as raw material, it is then that microbe leaven is dilute
It releases liquid sprinkling in the feed, is stirred evenly in sprinkling, bank up carry out aerobic fermentation, rolled when temperature rises to 40-60 DEG C
Dynamic formula overturns, and continues aerobic fermentation, when temperature rises to 40-60 DEG C again, raw material stacking is compacted to carry out anaerobic fermentation, is obtained high
Active bio humic acid.
In preferred embodiments, when temperature of the present invention rises to 40-60 DEG C again, all using aerobic fermentation or anaerobic fermentation
Can, but with microbial bacteria group structure for, anaerobic fermentation more has mysteriousness and craftsmenship.Aerobic compost refers generally to object
Expect it is outdoor and regularly turning it is ventilative, make the activity of the aerobic microbiologicals such as mould, bacillus acutely, heap temperature is preferably 70 DEG C reachable
Composting mode；Anaerobic composting refers generally to that material is relatively closed, and the free ectoenzyme that microorganism generates is relatively few, decomposes and makees
With not very strong medium temperature (being no more than 60 DEG C) composting mode.In general, aerobic compost is more suitable for (crude fiber content difficult to degrade
It is high) material or some solid waste extensive resolution, with compost speed it is fast, decomposed thoroughly, operating technology requirement
Low advantage, but the disadvantage is that nutrient loss (especially nitrogen) is larger, microbial change rules, that is, soil improvement action after application is not good enough.
And if anaerobic composting, the nutrient of material is saved from damage it is all relatively good with the performance of conversion, if suitable operation, even if not exclusively rotten
It is ripe to injure plant, and the effect of soil improvement is significant.
The method that hemicellulose liquid and lignin stoste are extracted in step (1), reference publication number CN105672012A, " from
Method disclosed in the method for extracting hemicellulose, cellulose and lignin simultaneously in biomass material ".
In the present invention, the agriculture and forestry organic waste material be wheat stalk, grain straw, bamboo, reed, wood type, flax class,
Corn stover, awns stalk, Jujun grasses, sorghum stalk, Sunflower Stalk, corncob, walnut shell, weeds, waste material of edible mushroom, cereal shell, wheat bran,
At least one of beans stalk, Cotton Stalk or potato seedling.It is further preferred that agriculture and forestry organic waste material raw material be wheat stalk and/
Or grain straw.
Dry particle use is made using low temperature (5-40 DEG C) drying-granulating machine in the high-activity biological humic acid, i.e., high
Active bio humic granulates or pulvis, moisture content≤15%.
Preliminary sludge, residual active sludge and chemical sludge enter sludge concentration tank and utilize gravitational settling former after mixing
Reason generates thickened sludge.
Thickened sludge enters sludge dewatering system, and flocculant is added and is uniformly mixed, and flocculation reaction occurs and enters dehydration equipment
Generate dewatered sludge, moisture content 60-75%.
The dewatered sludge gravity-flow ventilation that paves in particle workshop is dried, and is avoided direct sunlight, is obtained biomass sludge, moisture
Content keeps 50-60%.
The hemicellulose liquid after pretreatment, passes through the vapour cooking 1-5min of 0.6-3.0MPa for agriculture and forestry organic waste material
Afterwards, it then carries out multistage cleaning and is separated by solid-liquid separation the obtained organic liquid phase rich in hemicellulose.And containing with fiber in solution
Plain and a small amount of lignin suspended matter as main component.
The preliminary sludge is that suspended matter in hemicellulose liquid sinks the dirt that generation is precipitated in pond in pretreatment stage one
Mud.It is mainly made of (cellulose, hemicellulose and lignin) wood fibre, organic C (carbon) content is about in 40%, C/N
For the intermediate value of (carbon/nitrogen) ratio 300 or so, total nitrogen content is 0.002-0.5% (dry weight).
The residual active sludge is hemicellulose liquid after pretreatment stage, into the biochemical treatment stage, in life
It is dirty to change the aerobic activity that the anaerobic activated sludge (granule sludge) of anaerobic reaction generation occurs for processing stage and aerobic reaction generates
Mud.(micropopulation, microbial metabolic products, the organic matter that cannot be degraded by microorganisms), N, P are mainly formed by organic matter
(nitrogen, phosphorus) content is higher, and C/N ratio (intermediate value=17) is lower, because N, P to be usually added in sewage disposal system, to promote C
Biodegrade.
The chemical sludge is that the water reuse chemical method removal generated biochemical processing stage is not easy to be biodegradable
Pollutant when the sludge that generates.(molysite, inorganic carbon), FeSO are mainly formed by inorganic matter4The higher work of (ferrous sulfate) content
For the microelement in fertilizer, because water purification agent (main component bodied ferric sulfate) or Fenton to be usually added in advanced treating
Reagent (main component sulfur acid ferrous iron, hydrogen peroxide), to promote the chemical reaction of pollutant.
The biomass sludge refers to above-mentioned preliminary sludge, residual active sludge and chemical sludge through mixing, concentration, wadding
Sludge that is solidifying, generating after dehydration, moisture content 60-75%, main component is not only rich in cellulose and hemicellulose, also containing micro-
Secondary element, biocenose and microbial metabolic products, and its total nitrogen level is higher, C/N is lower, the average value of nitrogen content is
2.67% (dry weight), but 93% nitrogen exists in the form of organic, effective mineralising nitrogen content is less than 7%.
The straw light ash is the plant comminution of material generated in agriculture and forestry organic waste material preprocessing process, moisture content≤
30%, average grain diameter is less than 20mm.It is preferred that average grain diameter is 5 to 15mm, and longest partial size is 30mm or less.Can also directly it make
It uses stalk as raw material, but needs by pulverization process.
The lignin is solid-state biochemical lignin: water content≤5%, biochemical lignin content > 80%, methylol >
18%, phenolic hydroxyl group is greater than 1.5%, solubility 25g/100g water -35g/100g water under normal temperature and pressure.It can also be directly using spraying
Liquid biochemical lignin before drying, water content≤65%, biochemical lignin content > 80%, methylol > 18%, phenolic hydroxyl group is big
In 1.5%.
The microbe leaven is organic fertilizer fermentation agent or the prebiotic bacterium solution of EM, and living bacteria count >=10,000,000,000/mL is rich
Containing beneficial bacteriums such as saccharomycete, lactic acid bacteria and bacillus.It preferably further include actinomyces, Bifidobacterium.For example, Shandong monarch De Sheng
The high-efficiency microbial organic fertilizer leavening of object Science and Technology Ltd. production.
The mass ratio of the biomass sludge, straw light ash and lignin is 5:1-5:1-5.
When prepared by the microbe leaven dilution, 50-100L water is added in every 1L microbe leaven, by microorganism
When leavening dilution is sprayed in the feed, the moisture for being sprayed to raw material is 45-55%.The moisture is 45-55%, standard
It is to hold windrow with finger, having water between webs but not dripping is advisable, and once adds dilutional hyponatremia in order to prevent, preferably by 1L leavening
It is mixed with 100L water, if water deficient, continues to add according to moisture standards.
The fermentation time is 7-30 days, and fermentation time is depending on specific environment.Successful standard of fermenting is: raw material is in
It is fluffy, there is bent fragrance without smelly.
Cardinal principle of the present invention is as follows:
1, yeast flora available amino acid, carbohydrate and other organic substances generate fermenting power, produce and promote cell point
The active material split.Saccharomycete is in microbe leaven group army for promoting required for other beneficial microbe proliferation
The production of matrix provides important subsistence support.
2, lactic acid has very strong sterilizing ability, can effectively inhibit harmful microbe activity and organic matter sharply
Corruption is decomposed.Lactic acid bacteria can make the lignin being not easily decomposed under normality and cellulose etc. become easy decomposition, and eliminate not
Various drawbacks that decomposing organic matter generates play an important role in organic matter fermentation decomposition, it is by not decomposed organic matter
Matter is converted to the effective nutrient of plant.Another important function of lactic acid bacteria, the lactic acid exactly generated have very strong sterilization
Ability can effectively inhibit the sharply corruption of harmful microbe activity and organic matter to decompose.
After same crop or nearly edge continuous cropping, even if can also generate yield reduction, product in the case where normal management
The phenomenon that qualitative change is bad, bearing status is deteriorated, here it is continuous cropping obstacle, the presence of lactic acid bacteria is able to suppress this continuous cropping obstacle.
3, bacillus is the type of gemma Pseudomonas, and Gram-positive is a kind of aerophile bacterium.The bacterium is nontoxic
Property, a variety of enzymes and the antibiotic such as energy extracellular proteinase.NO3-N and NO2-N can be directly utilized, is purified water to play
Effect；In addition it can also inhibit the growth of other bacteriums using a variety of enzymes and antibiotic of secretion, and then reduce and even disappear
It goes out the pathogen of aquiculture animal.The comprehensive function of actinomyces, bacillus, Bifidobacterium: having antibiotic ability, helps
Soil miscellaneous bacteria and pathogen are cleared up, and the generation of pest can be effectively prevented, decomposition and inversion stench is crop organic nutrient.
4, biological humic acid be using biomass sludge, straw light ash, lignin as raw material, using biology, chemical method or
Two method dual-purposes, and containing the humic acid product or both products containing humic acid containing effective microbe prepared, academicly simplify table
Up to for BHA.Since the existing forms of humic acid (HA) in commodity are mainly fulvic acid (FA), so it is more accurate to be expressed as BFA.
Its raw material biomass sludge in fermentation process not only may be used as matrix, straw light ash as nutriment, lignin
To be decomposed by the microorganisms into humus, and there is activation.
5, synergy of the biological humic acid to fertilizer and the improvement to soil, main there are two reasons: first is that active humic acid
The effect of middle fulvic acid；Second is that the effect of bioactive substance (mainly beneficial bacterium).
Compared with prior art, the beneficial effects of the present invention are:
1, realize agriculture and forestry organic waste material comprehensive utilization of resources generation biomass sludge and straw light ash minimizing, surely
Fixedization, innoxious, recycling treatment avoid and cause more serious secondary dirt because pollutant cannot obtain appropriate disposition
Dye.
2, microbial fermentation temperature also prevents fulvic acid aging at 60 DEG C hereinafter, physiological activity is divided in reserve part；Save concentration
Process reaches required concentration, reduces operation difficulty and energy consumption.
3, for high-activity biological humic acid obtained after low temperature drying, product quality can reach following index: fulvic acid
>=18%, function bacterium >=1.5 × 108A/gram, moisture content≤15%, function bacterium is changed into gemma, can be in the environment of sealing
Save the several months.
4, high-activity biological humic acid of the present invention has a wide range of application, and various crops, fruit tree, flowers etc. can adapt to.Tool
There is improvement soil, promote fertilizer efficiency, regulating crop growth, the resistance for improving crop and improve crop quality.
Detailed description of the invention
Fig. 1 is the schematic diagram of agriculture and forestry organic waste material recycling high-efficiency comprehensive utilization；
Fig. 2 is the schematic diagram that the present invention prepares high-activity biological humic acid.
Specific embodiment
Below with reference to embodiment, the present invention will be further described, to enable those skilled in the art to better understand the present invention.
The nutrient content of chicken manure and dewatered sludge used in the examples is shown in Table 1.
1 chicken manure of table and dewatered sludge nutrient content
The content of beary metal of chicken manure and dewatered sludge used in the examples is shown in Table 2.
The content of beary metal of table 2 chicken manure and dewatered sludge used in the examples
It can be obtained by table content, dewatered sludge content of beary metal of the present invention is lower than chicken manure, and controls far below agricultural sludge
Standard, to soil-plant system heavy metal free pollution risk.
Embodiment 1
The preparation of high-activity biological humic acid:
(1) after by agricultural crop straw by pretreatment cutting, dedusting, into centrifugal station, pass through physicochemical method
Hemicellulose, cellulose and lignin are isolated, and generates straw light ash, wherein the hemicellulose and lignin isolated are liquid
Phase, i.e. hemicellulose liquid and lignin stoste.
(2) prepared by biomass sludge:
Hemicellulose liquid enters waste water treatment system, goes oil removal to generate preliminary sludge by pretreatment stage, biochemical
Processing stage removes a large amount of dissolubility COD (COD) and generates residual active sludge, and the removal of advanced treating stage is a small amount of not
The pollutant being easily biodegradable generates chemical sludge.Preliminary sludge, residual active sludge and chemical sludge enter sludge condensation
Pond utilizes sedimentation theory to generate thickened sludge after mixing.
Thickened sludge enters sludge dewatering system, and flocculant is added and is uniformly mixed, and flocculation reaction occurs and enters dehydration equipment
Generate dewatered sludge, moisture content 70%.
The dewatered sludge gravity-flow ventilation that paves in particle workshop is dried, and is avoided direct sunlight, is obtained biomass sludge, moisture
Content is 55%.
(3) prepared by lignin:
The Ca (OH) of lignin stoste addition 50ppm2Flocculation, precipitating obtain more pure biochemical lignin supernatant, mistake
After 20 μm of filter device, it is trapped suspended impurity, liquid biochemical lignin product is obtained after film concentration and multiple-effect evaporation, then
After spray-dried equal devices processing, solid-state biochemical lignin product, i.e. lignin are obtained.
(4) prepared by microbe leaven dilution:
1L microbe leaven is added in 50L water and is stirred evenly, it is stand-by to be configured to microbe leaven dilution.
(5) biomass sludge, straw light ash and lignin are mixed evenly as raw material, wherein biomass sludge,
The mass ratio of straw light ash and lignin is 5:3:1, then in the feed by the sprinkling of microbe leaven dilution, in sprinkling
It stirs evenly, moisture is controlled 50%.Carry out aerobic fermentation is banked up, roller overturning is carried out when material temperature reaches 50 DEG C,
Continue aerobic fermentation, etc. temperature when rising to 50 DEG C again, raw material stacking is compacted to carry out anaerobic fermentation.Fermentation time 15 days,
Raw material has bent fragrance without smelly, obtains high-activity biological humic acid (BFA) in fluffy.
Drying is made in fermentation material using low temperature (30 DEG C) drying-granulating machine of Qinhuangdao Nuo Xin Environmental Protection Technology Co., Ltd
Particle, i.e. biological humic acid particle, moisture content 12%.
Embodiment 2
The preparation of high-activity biological humic acid:
(1) after by agricultural crop straw by pretreatment cutting, dedusting, into centrifugal station, pass through physicochemical method
Hemicellulose, cellulose and lignin are isolated, and generates straw light ash, wherein the hemicellulose and lignin isolated are liquid
Phase, i.e. hemicellulose liquid and lignin stoste.
(2) prepared by biomass sludge:
Hemicellulose liquid enters waste water treatment system, goes oil removal to generate preliminary sludge by pretreatment stage, biochemical
Processing stage removes a large amount of dissolubility COD (COD) and generates residual active sludge, and the removal of advanced treating stage is a small amount of not
The pollutant being easily biodegradable generates chemical sludge.Preliminary sludge, residual active sludge and chemical sludge enter sludge condensation
Pond utilizes sedimentation theory to generate thickened sludge after mixing.
Thickened sludge enters sludge dewatering system, and flocculant is added and is uniformly mixed, and flocculation reaction occurs and enters dehydration equipment
Generate dewatered sludge, moisture content 75%.
The dewatered sludge gravity-flow ventilation that paves in particle workshop dries and avoids direct sunlight, obtains biomass sludge, moisture
Content is 60%.
(3) prepared by lignin:
The Ca (OH) of lignin stoste addition 10ppm2Flocculation, precipitating obtain more pure biochemical lignin supernatant, mistake
After 10 μm of filter device, it is trapped suspended impurity, liquid biochemical lignin product is obtained after film concentration and multiple-effect evaporation, then
After spray-dried equal devices processing, solid-state biochemical lignin product, i.e. lignin are obtained.
(4) prepared by microbe leaven dilution:
1L microbe leaven is added in 100L water and is stirred evenly, it is stand-by to be configured to microbe leaven dilution.
(5) biomass sludge, straw light ash and lignin are mixed evenly as raw material, wherein biomass sludge,
The mass ratio of straw light ash and lignin is 5:1:1, then in the feed by the sprinkling of microbe leaven dilution, in sprinkling
It stirs evenly, moisture is controlled 45%.Carry out aerobic fermentation is banked up, roller overturning is carried out when material temperature reaches 40 DEG C,
Continue aerobic fermentation, etc. temperature when rising to 40 DEG C again, raw material stacking is compacted to carry out anaerobic fermentation.Fermentation time 30 days,
Raw material has bent fragrance without smelly, obtains high-activity biological humic acid (BFA) in fluffy.
Fermentation material is made dry using low temperature (5 DEG C) the drying-granulating machine of Qinhuangdao Nuo Xin Environmental Protection Technology Co., Ltd
Grain, i.e. biological humic acid particle, moisture content 8%.
Embodiment 3
The preparation of high-activity biological humic acid:
(1) after by agricultural crop straw by pretreatment cutting, dedusting, into centrifugal station, pass through physicochemical method
Hemicellulose, cellulose and lignin are isolated, and generates straw light ash, wherein the hemicellulose and lignin isolated are liquid
Phase, i.e. hemicellulose liquid and lignin stoste.
(2) prepared by biomass sludge:
Hemicellulose liquid enters waste water treatment system, goes oil removal to generate preliminary sludge by pretreatment stage, biochemical
Processing stage removes a large amount of dissolubility COD (COD) and generates residual active sludge, and the removal of advanced treating stage is a small amount of not
The pollutant being easily biodegradable generates chemical sludge.Preliminary sludge, residual active sludge and chemical sludge enter sludge condensation
Pond utilizes sedimentation theory to generate thickened sludge after mixing.
Thickened sludge enters sludge dewatering system, and flocculant is added and is uniformly mixed, and flocculation reaction occurs and enters dehydration equipment
Generate dewatered sludge, moisture content 60%.
The dewatered sludge gravity-flow ventilation that paves in particle workshop dries and avoids direct sunlight, obtains biomass sludge, moisture
Content is 50%.
(3) prepared by lignin:
The Ca (OH) of lignin stoste addition 100ppm2Flocculation, precipitating obtain more pure biochemical lignin supernatant, mistake
After 30 μm of filter device, it is trapped suspended impurity, liquid biochemical lignin product is obtained after film concentration and multiple-effect evaporation, then
After spray-dried equal devices processing, solid-state biochemical lignin product, i.e. lignin are obtained.
(4) prepared by microbe leaven dilution:
1L microbe leaven is added in 75L water and is stirred evenly, it is stand-by to be configured to microbe leaven dilution.
(5)) biomass sludge, straw light ash and lignin are mixed evenly as raw material, wherein biomass sludge,
The mass ratio of straw light ash and lignin is 5:5:5, then in the feed by the sprinkling of microbe leaven dilution, in sprinkling
It stirs evenly, moisture is controlled 55%.Carry out aerobic fermentation is banked up, roller overturning is carried out when material temperature reaches 60 DEG C,
Continue aerobic fermentation, etc. temperature come up again after using by raw material stacking be compacted carry out anaerobic fermentation.It is fermentation time 7 days, former
Material has bent fragrance without smelly, obtains high-activity biological humic acid (BFA) in fluffy.
Drying is made in fermentation material using low temperature (40 DEG C) drying-granulating machine of Qinhuangdao Nuo Xin Environmental Protection Technology Co., Ltd
Particle, i.e. biological humic acid particle, moisture content 15%.
One, synergy test of the high-activity biological humic acid to chemical fertilizer:
Subjects: the transplant planting Chinese cabbage on the 10th of September in 2015.
Test method: (667m per acre2) 2200 plants of plantation.Testing ground area 600m2, totally 12 furrow, with every adjacent three furrow for one
Cell, totally four cells, randomly selects three cells, area 450m2For test group, makees a processing and repeat three times, another cell
150m2For check plot.Test group in September 20 days, October 1 to fertilize when respectively to add biology prepared by 1 kilogram of embodiment 1 rotten
It grows acid and is watered 1000 times and pour root, control group pours the water of equivalent, and other field management trial zones are identical as check plot.Appearance is observed,
Investigate crop.Chemical fertilizer commercial product is purchased from Anhui Quansheng Chemical Co., Ltd..
Test result and discussion:
Field observation test group plant growing way neat and consistent, leaf color is dark green and glossy, few discovery virus morbidity strain and
Lopsided strain.And then plant growing way is irregular for control group, virus morbidity strain, lopsided strain are more, and leaf color dimness lacks gloss.Test
Group and the observation result and comparing result of control group are shown in Table 3.
Table 3 is to the test group of the synergy test of chemical fertilizer and the observation result and comparing result of control group
Three cell productions of test group are respectively 834kg, 774kg, 806kg, and be averaged 805kg, check plot 630kg,
Experimental plot average specific check plot volume increase 27.8%.By applying biological humic acid, chemical fertilizer utilization ratio is improved, while Chinese cabbage
Well developed root system, enhancing absorb the ability of nutrient, reduce disease, and increase can harvest strain number, increase single plant weight, to improve production
Amount.
Two, high-activity biological humic acid Effect of improving soil is tested:
Experimental enviroment: Engineering Technical Research Centre
Test method: soil is selected to carry out water capacity test, three pieces of trial zones for the field of sandy soil, loam and clay
Area is 100m2, above-mentioned every piece of trial zone is divided into test group and two groups of blank group, test group is prepared with embodiment 1
High-activity biological humic acid is watered 1000 times and rushes Shi Yici, and 7kg/ mus in terms of N of dose, blank group rushes Shi Yici with equivalent amount of water,
After a week, while in the test group of three pieces of trial zones and blank group soil is taken to carry out the survey of water capacity and soil porosity
Fixed, water capacity measurement is referring to NY/T1121.22-2010 " Soil K+adsorption " the 22nd part: the measurement-of water-retaining quantity among field of soil
Core cutter method, soil porosity measurement is referring to " soil analysis technical specification " (second edition) chapter 4: specific gravity of soil, bulk density, hole
The measurement of degree, test result are shown in Table 4.
4 different soils Experimental Comparison result of table
Test result and discussion: as shown in Table 4, the application of high-activity biological humic acid prepared by the embodiment of the present invention 1,
So that sandy soil, the water-holding capacity of loam and clay and porosity obtain different degrees of promotion, reduce the moisture stream in soil
It loses, improves the water holding capacity of soil, while improving the utilization rate of fertilizer in the soil；On the other hand, soil is increased
Porosity improves soil aeration water penetration, promotes the growth of crop root in soil.
In conclusion only the preferred embodiments of the invention, is not limited the scope of protection of the present invention with this, it is all according to the present invention
Equivalent changes and modifications made by the scope of the patents and description are all within the scope of the invention patent covers.
Claims (10)
1. a kind of preparation method of high-activity biological humic acid, it is characterised in that: the following steps are included:
(1) by agriculture and forestry organic waste material by pretreatment cutting, after dedusting, into centrifugal station, isolate hemicellulose, cellulose and
Lignin, and straw light ash is generated, wherein the hemicellulose and lignin isolated are liquid phase, i.e. hemicellulose liquid and lignin
Stoste；
(2) prepared by biomass sludge:
Hemicellulose liquid enters waste water treatment system, successively passes through pretreatment stage, biochemical treatment stage and advanced treating stage
Processing, pretreatment stage go oil removal to generate preliminary sludge, and it is remaining living that the biochemical treatment stage removes a large amount of dissolubility COD generations
Property sludge, the advanced treating stage removal on a small quantity is not easy the pollutant being biodegradable generate chemical sludge；
Preliminary sludge, residual active sludge and chemical sludge obtain biomass sludge after mixing, concentration, flocculation, being dehydrated, drying；
(3) prepared by lignin:
Lignin stoste is through being added the Ca (OH) of 10-100ppm2Flocculation, precipitating, obtain biochemical lignin supernatant, cross 10-30 μm
After filter device, liquid biochemical lignin is obtained through film concentration and multiple-effect evaporation, after spray drying, obtains solid-state biochemical lignin, i.e.,
Lignin；
(4) prepared by microbe leaven dilution:
Microbe leaven is added to the water and is stirred evenly, microbe leaven dilution is obtained；
(5) biomass sludge, straw light ash and lignin are uniformly mixed and are used as raw material, then by microbe leaven dilution
Sprinkling in the feed, stirs evenly in sprinkling, banks up carry out aerobic fermentation, roller is carried out when temperature rises to 40-60 DEG C
It overturns, continues aerobic fermentation, when temperature rises to 40-60 DEG C again, raw material stacking is compacted to carry out anaerobic fermentation, obtains high activity
Biological humic acid.
2. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that: the hemicellulose
Liquid after pretreatment, after the vapour cooking 1-5min of 0.6-3.0MPa, then carries out multistage cleaning and consolidates for agriculture and forestry organic waste material
The isolated organic liquid phase rich in hemicellulose of liquid.
3. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that: the preliminary sludge
Sink the sludge that generation is precipitated in pond in pretreatment stage one for the suspended matter in hemicellulose liquid.
4. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that: the residual activity
Sludge is hemicellulose liquid after pretreatment stage, and into the biochemical treatment stage, anaerobic reaction occurs in the biochemical treatment stage
The aerobic activated sludge that the anaerobic activated sludge and aerobic reaction of generation generate.
5. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that: the chemical sludge
The sludge generated when being not easy the pollutant being biodegradable for the waste water removal that biochemical processing stage generates.
6. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that: the straw light ash
It is the plant comminution of material generated in agriculture and forestry organic waste material preprocessing process, moisture content≤30%, average grain diameter is less than 20mm.
7. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that: the microorganism hair
Ferment agent is organic fertilizer fermentation agent or the prebiotic bacterium solution of EM, and living bacteria count >=10,000,000,000/mL is rich in saccharomycete, lactic acid bacteria and gemma bar
Bacterium.
8. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that: the biomass is dirty
The mass ratio of mud, straw light ash and lignin is 5:1-5:1-5.
9. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that: the microorganism hair
When prepared by ferment dilution agent liquid, 50-100L water is added in every 1L microbe leaven, and microbe leaven dilution is sprayed at raw material
When middle, the moisture for being sprayed to raw material is 45-55%.
10. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that: when the described fermentation
Between be 7-30 days.
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| CN111115852A (en) * | 2020-01-20 | 2020-05-08 | 新疆凯旋致远生物技术有限公司 | Water purifying agent and preparation method thereof |
| CN111518840A (en) * | 2020-05-22 | 2020-08-11 | 重庆大学 | Process for high yield of humic acid by straw aerobic solid state fermentation |
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| CN113072287B (en) * | 2021-04-26 | 2022-11-25 | 南京师范大学 | Method for regulating generation of humic acid from sludge hydrothermal and passivating heavy metal |
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| CN104878046A (en) * | 2015-06-26 | 2015-09-02 | 东北农业大学 | Aerobiotic and anaerobic coupled two-phase fermentation marsh gas generation process method |
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