CN106478164A - 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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- CN106478164A CN106478164A CN201610899204.2A CN201610899204A CN106478164A CN 106478164 A CN106478164 A CN 106478164A CN 201610899204 A CN201610899204 A CN 201610899204A CN 106478164 A CN106478164 A CN 106478164A
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- 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
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- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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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.The method comprising the steps of：Hemicellulose liquid and lignin stoste is isolated after agriculture and forestry organic waste material is pre-processed, and pre-treatment step is while produce straw light ash；Prepare biomass sludge；Prepare lignin；Prepare microbe leaven dilution；Biomass sludge, straw light ash and lignin are mixed, in sprinkling, microbe leaven dilution is fermented, and obtains high-activity biological humic acid., using the straw light ash produced during agriculture and forestry organic waste material resource high-efficiency comprehensive utilization, biomass sludge, lignin as raw material, obtained biological humic acid activity is high, can be to fertilizer synergistic and to soil improvement for the present invention；After low temperature drying, following index can be reached：Fulvic acid >=18%, function bacterium >=1.5 × 108Individual/gram, moisture content≤15%, function bacterium are changed into gemma, can preserve 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 technology
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 is increasingly improved, traditional agriculture and forestry organic waste material Land use systems also occur therewith
The obvious transformation of following several respects：Chemical fertilizer is because commonly using the advantages of easy to use, instant effect 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 popularization of the modern goods energy such as coal, electricity, liquefied gas, instead of
Using agriculture and forestry organic waste material as the traditional fuel utilization mode in rural area；Constantly bringing forth new ideas and develop with new material, some are 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 prior art, also there is very big deficiency in the technology of agriculture and forestry organic waste material comprehensive utilization, and the efficiency of comprehensive utilization is low, become
This height.Ultimately result in agriculture and forestry organic waste material to be comprehensively utilized, be both unfavorable for environmental protection, and also result in the wasting of resources.Cause
This, the new way of stalk Huinong and low-carbon agriculture of the exploration with agriculture and forestry organic waste material resource as carrier, solve stalk comprehensive utilization skill
Art, becomes the focus of modern scientific research.
Agricultural crop straw main component is cellulose, hemicellulose and lignin, in addition also contains starch, protein, day
The right macromolecular substances such as rubber, pectin and alkaloid, amino acid, monose, antibiotic, hormone, flavonol, ketone, sterides compound
Thing, the micromolecular compounds such as dilute class are covered, be also rich in the various trace elements such as N, P, K, Ca, Mg, S.Wherein cellulose, hemicellulose
And lignin, account for more than the 90% of stalk total amount.
Through the literature search discovery to prior art, Chinese patent literature CN104692969A discloses a kind of biology humic
Sour Liquid Fertilizer and preparation method thereof；CN103497043A discloses a kind of root and topdresses administration water keeping fertilizer and preparation method thereof；
CN103922818A discloses a kind of technology of utilization sugar mill mud production biological humic acid and technique, and CN105541422A is disclosed
A kind of humic acid fertilizer and preparation method thereof.However, these humic acid technologies of preparing all ignore the important of humic acid activity
Property, and do not consider from resource high-efficiency comprehensive utilization angle.Accordingly, it would be desirable to new for modern organic plantation agricultural development
Prepare high-activity biological humic technic acid.
Content of the invention
According to deficiency of the prior art above, it is an object of the invention to provide a kind of preparation of high-activity biological humic acid
Method, is raw material using agriculture and forestry organic waste material, realizes agriculture and forestry organic waste material comprehensive utilization of resources, obtained biological humic acid activity
Height, can be to fertilizer synergistic and to soil improvement.
The preparation method of high-activity biological humic acid of the present invention, comprises the following steps：
(1) by agriculture and forestry organic waste material after pretreatment cut-out, dedusting, centrifugal station is entered, isolates hemicellulose, fiber
Element and lignin, and straw light ash is produced, the hemicellulose that wherein isolates and lignin are liquid phase, i.e. hemicellulose liquid and wood
Quality stoste；
(2) prepared by biomass sludge：
Hemicellulose liquid enters Waste Water Treatment, sequentially passes through pretreatment stage, biochemical treatment stage and advanced treating
Phase process, pretreatment stage go oil removal to produce preliminary sludge, and it is surplus that the biochemical treatment stage removes a large amount of dissolubilities COD generations
Remaining activated sludge, advanced treating stage remove the pollutant for being difficult on a small quantity to be biodegradable and produce chemical sludge；
Preliminary sludge, residual active sludge and chemical sludge are blended, concentrate, flocculate, being dehydrated, dry after, obtain living beings
Sludge；
(3) prepared by lignin：
Ca (OH) of the lignin stoste through addition 10-100ppm2Flocculation, precipitation obtain biochemical lignin supernatant, cross 10-30
μm filter after, concentrate through film and multiple-effect evaporation obtain liquid biochemical lignin, 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, obtain microbe leaven dilution；
(5) biomass sludge, straw light ash and lignin are mixed as raw material, then that microbe leaven is dilute
Release liquid to spray in the feed, stir in sprinkling, banking up carries out aerobic fermentation, is rolled when temperature rises to 40-60 DEG C
Dynamic formula is overturned, and proceeds aerobic fermentation, when temperature rises to 40-60 DEG C again, the compacting of raw material stacking is carried 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, using aerobic fermentation or anaerobic fermentation all
Can, but with microbial bacteria group structure for, its anaerobic fermentation more has mysteriousness and craftsmenship.Aerobic compost refers generally to thing
Material outdoor and regularly turning breathe freely, make the activity of the aerobic microbiologicals such as mould, bacillus acutely, heap temperature is preferably up to 70 DEG C
Composting mode；Anaerobic composting refers generally to that material is relatively closed, and the free ectoenzyme that microorganism produces is relatively few, decomposes and makees
With very not strong middle temperature (less than 60 DEG C) composting mode.In general, aerobic compost is more suitable for difficult degradation (crude fiber content
High) material or the clearing up on a large scale of some solid waste, which has, and compost speed is fast, become thoroughly decomposed thoroughly, operating technology requires
Low advantage, but have the disadvantage that nutrient loss (especially nitrogen) is larger, the microbial change rules after administration are that soil improvement action is not good enough.
And if anaerobic composting, its nutrient to material save from damage all relatively good with the performance of conversion, if suitable operation, even if not exclusively rotten
Ripe will not also injure plant, and the effect of soil improvement is notable.
The method for extracting hemicellulose liquid and lignin stoste in step (1), with reference to publication number CN105672012A, " from
Method disclosed in the method for extracting hemicellulose, cellulose and lignin in biomass material simultaneously ".
In the present invention, described agriculture and forestry organic waste material is wheat class stalk, grain straw, bamboo, reed, wood type, flax class,
Maize straw, awns stalk, Jujun grasses, sorghum stalk, Sunflower Stalk, corncob, walnut shell, weeds, waste material of edible mushroom, cereal shell, wheat bran,
At least one in beans stalk, Cotton Stalk or potato class seedling.It is further preferred that agriculture and forestry organic waste material raw material be wheat class stalk and/
Or grain straw.
Described high-activity biological humic acid makes dry particle use using low temperature (5-40 DEG C) drying-granulating machine, i.e., high
Active bio humic granulates or pulvis, moisture≤15%.
Preliminary sludge, residual active sludge and chemical sludge enter former using gravitational settling after sludge concentration tank is mixed
Reason generates thickened sludge.
Thickened sludge enters sludge dewatering system, adds flocculant to mix, and occurs flocculation reaction to enter dehydration equipment
Generate dewatered sludge, moisture 60-75%.
The dewatered sludge gravity-flow ventilation that paves in particle workshop is dried, it is to avoid direct sunlight, obtains biomass sludge, moisture
Content keeps 50-60%.
Described hemicellulose liquid be agriculture and forestry organic waste material after pretreatment, by the vapour cooking 1-5min of 0.6-3.0MPa
Afterwards, then multistage cleaning the organic liquid phase rich in hemicellulose that obtains of separation of solid and liquid carried out.And contain with fiber in solution
Plain and a small amount of lignin is the suspension of main component.
Described preliminary sludge is the dirt that the suspension in hemicellulose liquid precipitates generation in pretreatment stage one sinks pond
Mud.Mainly it is made up of (cellulose, hemicellulose and lignin) wood fibre, organic C (carbon) content is about in 40%, C/N
300 or so, total nitrogen content is 0.002-0.5% (dry weight) to the intermediate value of (carbon/nitrogen) ratio.
Described residual active sludge is entered the biochemical treatment stage, is giving birth to for hemicellulose liquid after pretreatment stage
There is the aerobic activity dirt that the anaerobic activated sludge (granule sludge) of anaerobic reaction generation and aerobic reaction are produced in change processing stage
Mud.Mainly (micropopulation, microbial metabolic products, the organic matter that can not be degraded by microorganisms), N, P are constituted by organic matter
(nitrogen, phosphorus) content is higher, and C/N ratio (intermediate value=17) is relatively low, because generally N, P will be added in sewage disposal system, to promote C
Biodegradable.
Described chemical sludge is that the water reuse chemical method removal for producing biochemical processing stage is difficult to be biodegradable
Pollutant when the sludge that produces.Mainly (molysite, DIC), FeSO are constituted by inorganic matter4The higher work of (ferrous sulfate) content
For the trace element in fertilizer, because will generally add water purification agent (main component bodied ferric sulfate) or Fenton in advanced treating
Reagent (main component sulfur acid ferrous iron, hydrogen peroxide), to promote the chemical reaction of pollutant.
Described biomass sludge refers to that above-mentioned preliminary sludge, residual active sludge and chemical sludge are blended, concentrates, wadding
The sludge produced after solidifying, dehydration, moisture 60-75%, main component also contain micro- not only rich in cellulose and hemicellulose
Secondary element, biocenose and microbial metabolic products, and its total nitrogen level is higher, C/N is relatively low, the mean value of nitrogen content is
2.67% (dry weight), but 93% nitrogen is present with organic form, and effective mineralising nitrogen content is less than 7%.
Described straw light ash is the plant comminution of material produced in agriculture and forestry organic waste material preprocessing process, moisture≤
30%, average grain diameter is less than 20mm.It is preferred that average grain diameter is 5 to 15mm, and most long particle diameter is below 30mm.Directly can also make
With stalk as raw material, but need through pulverization process.
Described lignin is solid-state biochemical lignin：Water content≤5%, biochemical lignin content ＞ 80%, methylol ＞
18%, phenolic hydroxyl group is more than 1.5%, solubility 25g/100g water -35g/100g water under normal temperature and pressure.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%.
Described 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.Preferably also include actinomyces, Bifidobacterium.For example, Shandong monarch De Sheng
The high-efficiency microbial organic fertilizer leavening of thing Science and Technology Ltd. production.
Described biomass sludge, straw light ash are 5 with the mass ratio of lignin：1-5：1-5.
When prepared by described microbe leaven dilution, 50-100L water is added per 1L microbe leaven, by microorganism
When leavening dilution sprays in the feed, the moisture for being sprayed to raw material is 45-55%.Described moisture is 45-55%, standard
Be windrow to be held with finger, have water still not drip and be advisable between webs, in order to prevent once adding water excessively, preferably by 1L leavening
Mix with 100L water, if water deficient, continue to add according to moisture standards.
Described fermentation time is 7-30 days, and fermentation time is depending on specific environment.Successful standard of fermenting is：Raw material is in
Fluffy, has bent fragrance and not smelly.
Cardinal principle of the present invention is as follows：
1st, yeast flora available amino acid, carbohydrate and other organic substances produce fermenting power, produce promotion cell and divide
The active material for splitting.Saccharomycete is for promoting required for other beneficial microbes propagation in microbe leaven group army
The production of matrix provides important subsistence support.
2nd, lactic acid has very strong sterilizing ability, can effectively suppress harmful microbe activity, and organic matter is drastically
Corrupt decomposition.Lactic acid bacteria can make the lignin being not easily decomposed under normality and cellulose etc. become easily decomposition, and eliminate not
A variety of drawbacks that decomposing organic matter is produced, play an important role on organic matter fermentation decomposes, and it is by the organic matter not become thoroughly decomposed
Matter changes into nutrient effective to plant.Another important function of lactic acid bacteria, the lactic acid for exactly producing have very strong sterilization
Ability, can effectively suppress harmful microbe activity, and the drastically corrupt of organic matter decomposes.
After same crop or nearly edge continuous cropping, even if in the case of normal management, yield reduction, product can be also produced
The phenomenon that qualitative change is bad, bearing status are deteriorated, here it is continuous cropping obstacle, the presence of lactic acid bacteria can suppress this continuous cropping obstacle.
3rd, bacillus is the species of gemma Pseudomonas, and Gram-positive, is a class aerophile bacterium.The bacterium is nontoxic
Property, multiple enzymes and the antibiotic such as energy extracellular proteinase.Can purify water so as to play directly using NO3-N and NO2-N
Effect；In addition can also usually suppress the growth of other bacteriums using multiple enzymes of secretion and antibiosis, and then reduce or even disappear
Go out the pathogen of aquiculture animal.Actinomyces, bacillus, the comprehensive function of Bifidobacterium：With antibiotic ability, help
Cleaning soil miscellaneous bacteria and pathogen, and the generation of insect can be effectively prevented, decomposition and inversion stench is crop organic nutrient.
4th, biological humic acid be with biomass sludge, straw light ash, lignin as raw material, using biological, chemical method or
Two method dual-purposes, and the product containing humic acid product or both containing humic acid containing effective microbe for preparing, academicly simplification table
Reach for BHA.As 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 in fermentation process biomass sludge used as matrix, straw light ash used as nutriment, not only may be used by lignin
To be decomposed by the microorganisms into humus, and with activation.
5th, synergy of the biological humic acid to fertilizer and the improvement to soil, mainly have two reasons：One is active humic acid
The effect of middle fulvic acid；Two is the effect of bioactivator (mainly beneficial bacterium).
Compared with prior art, the invention has the beneficial effects as follows：
1st, the biomass sludge of agriculture and forestry organic waste material comprehensive utilization of resources generation and the minimizing of straw light ash, steady are achieved
Fixedization, innoxious, recycling treatment, it is to avoid because pollutant can not obtain appropriate disposal, cause more serious secondary dirt
Dye.
2nd, fermentable temperature is below 60 DEG C, and member-retaining portion physiologically active also prevents fulvic acid aging；Save concentration
Operation reaches desired concn, reduces operation easier and energy resource consumption.
3rd, after low temperature drying, product quality can reach following index to obtained high-activity biological humic acid：Fulvic acid
>=18%, function bacterium >=1.5 × 108Individual/gram, moisture content≤15%, function bacterium are changed into gemma, can be in the environment of sealing
Preserve the several months.
4th, high-activity biological humic acid applied range of the present invention, various crops, fruit tree, flowers etc. can adapt to.Tool
There is improved soil, promote fertilizer efficiency, regulating crop growth, improve the resistance of crop and improve crop quality.
Description of the drawings
Fig. 1 is the schematic diagram of agriculture and forestry organic waste material resource high-efficiency comprehensive utilization；
Fig. 2 prepares the schematic diagram of high-activity biological humic acid for the present invention.
Specific embodiment
With reference to embodiment, the present invention will be further described, knows more about the present invention so as to those skilled in the art.
The nutrient content of the dewatered sludge adopted in chicken manure and embodiment is shown in Table 1.
1 chicken manure of table and dewatered sludge nutrient content
The content of beary metal of the dewatered sludge adopted in chicken manure and embodiment is shown in Table 2.
The content of beary metal of the dewatered sludge adopted in 2 chicken manure of table and embodiment
Can be obtained by table content, dewatered sludge content of beary metal of the present invention is less 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) by agricultural crop straw after pretreatment cut-out, dedusting, centrifugal station is entered, by physicochemical method
Hemicellulose, cellulose and lignin is isolated, and straw light ash is produced, the hemicellulose that wherein isolates and lignin are liquid
Phase, i.e. hemicellulose liquid and lignin stoste.
(2) prepared by biomass sludge：
Hemicellulose liquid enters Waste Water Treatment, goes oil removal to produce preliminary sludge through pretreatment stage, biochemical
Processing stage removes a large amount of dissolubility COD (CODs) and produces residual active sludge, and the advanced treating stage removes on a small quantity not
The pollutant being easily biodegradable produces chemical sludge.Preliminary sludge, residual active sludge and chemical sludge enter sludge condensation
Pond generates thickened sludge using sedimentation theory after mixing.
Thickened sludge enters sludge dewatering system, adds flocculant to mix, and occurs flocculation reaction to enter dehydration equipment
Dewatered sludge is generated, moisture is 70%.
The dewatered sludge gravity-flow ventilation that paves in particle workshop is dried, it is to avoid direct sunlight, obtains biomass sludge, moisture
Content is 55%.
(3) prepared by lignin：
Lignin stoste adds the Ca (OH) of 50ppm2Flocculation, precipitation obtain more pure biochemical lignin supernatant, mistake
After 20 μm of filter, it is trapped suspended impurity, concentrates through film and liquid biochemical lignin product after multiple-effect evaporation, is obtained, then
After the device such as spray-dried is processed, solid-state biochemical lignin product, i.e. lignin is obtained.
(4) prepared by microbe leaven dilution：
1L microbe leaven is added in 50L water and is stirred, be configured to microbe leaven dilution stand-by.
(5) using biomass sludge, straw light ash with lignin mixing and stirring as raw material, wherein biomass sludge,
Straw light ash is 5 with the mass ratio of lignin：3：1, then microbe leaven dilution is sprayed in the feed, in sprinkling
Stir, moisture controls 50%.Banking up carries out aerobic fermentation, carries out roller overturning when material temperature reaches 50 DEG C,
Proceed aerobic fermentation, when equitemperature rises to 50 DEG C again, the compacting of raw material stacking is carried out anaerobic fermentation.Fermentation time 15 days,
Raw material is in fluffy, has bent fragrance and not smelly, obtains high-activity biological humic acid (BFA).
Fermentate is made drying using low temperature (30 DEG C) the drying-granulating machine of Qinhuangdao Nuo Xin Environmental Protection Technology Co., Ltd
Particle, i.e. biological humic acid particle, moisture 12%.
Embodiment 2
The preparation of high-activity biological humic acid：
(1) by agricultural crop straw after pretreatment cut-out, dedusting, centrifugal station is entered, by physicochemical method
Hemicellulose, cellulose and lignin is isolated, and straw light ash is produced, the hemicellulose that wherein isolates and lignin are liquid
Phase, i.e. hemicellulose liquid and lignin stoste.
(2) prepared by biomass sludge：
Hemicellulose liquid enters Waste Water Treatment, goes oil removal to produce preliminary sludge through pretreatment stage, biochemical
Processing stage removes a large amount of dissolubility COD (CODs) and produces residual active sludge, and the advanced treating stage removes on a small quantity not
The pollutant being easily biodegradable produces chemical sludge.Preliminary sludge, residual active sludge and chemical sludge enter sludge condensation
Pond generates thickened sludge using sedimentation theory after mixing.
Thickened sludge enters sludge dewatering system, adds flocculant to mix, and occurs flocculation reaction to enter dehydration equipment
Generate dewatered sludge, moisture 75%.
The dewatered sludge gravity-flow ventilation that paves in particle workshop is dried and avoids direct sunlight, obtains biomass sludge, moisture
Content is 60%.
(3) prepared by lignin：
Lignin stoste adds the Ca (OH) of 10ppm2Flocculation, precipitation obtain more pure biochemical lignin supernatant, mistake
After 10 μm of filter, it is trapped suspended impurity, concentrates through film and liquid biochemical lignin product after multiple-effect evaporation, is obtained, then
After the device such as spray-dried is processed, solid-state biochemical lignin product, i.e. lignin is obtained.
(4) prepared by microbe leaven dilution：
1L microbe leaven is added in 100L water and is stirred, be configured to microbe leaven dilution stand-by.
(5) using biomass sludge, straw light ash with lignin mixing and stirring as raw material, wherein biomass sludge,
Straw light ash is 5 with the mass ratio of lignin：1：1, then microbe leaven dilution is sprayed in the feed, in sprinkling
Stir, moisture controls 45%.Banking up carries out aerobic fermentation, carries out roller overturning when material temperature reaches 40 DEG C,
Proceed aerobic fermentation, when equitemperature rises to 40 DEG C again, the compacting of raw material stacking is carried out anaerobic fermentation.Fermentation time 30 days,
Raw material is in fluffy, has bent fragrance and not smelly, obtains high-activity biological humic acid (BFA).
Fermentate 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 8%.
Embodiment 3
The preparation of high-activity biological humic acid：
(1) by agricultural crop straw after pretreatment cut-out, dedusting, centrifugal station is entered, by physicochemical method
Hemicellulose, cellulose and lignin is isolated, and straw light ash is produced, the hemicellulose that wherein isolates and lignin are liquid
Phase, i.e. hemicellulose liquid and lignin stoste.
(2) prepared by biomass sludge：
Hemicellulose liquid enters Waste Water Treatment, goes oil removal to produce preliminary sludge through pretreatment stage, biochemical
Processing stage removes a large amount of dissolubility COD (CODs) and produces residual active sludge, and the advanced treating stage removes on a small quantity not
The pollutant being easily biodegradable produces chemical sludge.Preliminary sludge, residual active sludge and chemical sludge enter sludge condensation
Pond generates thickened sludge using sedimentation theory after mixing.
Thickened sludge enters sludge dewatering system, adds flocculant to mix, and occurs flocculation reaction to enter dehydration equipment
Generate dewatered sludge, moisture 60%.
The dewatered sludge gravity-flow ventilation that paves in particle workshop is dried and avoids direct sunlight, obtains biomass sludge, moisture
Content is 50%.
(3) prepared by lignin：
Lignin stoste adds the Ca (OH) of 100ppm2Flocculation, precipitation obtain more pure biochemical lignin supernatant, mistake
After 30 μm of filter, it is trapped suspended impurity, concentrates through film and liquid biochemical lignin product after multiple-effect evaporation, is obtained, then
After the device such as spray-dried is processed, solid-state biochemical lignin product, i.e. lignin is obtained.
(4) prepared by microbe leaven dilution：
1L microbe leaven is added in 75L water and is stirred, be configured to microbe leaven dilution stand-by.
(5)) using biomass sludge, straw light ash with lignin mixing and stirring as raw material, wherein biomass sludge,
Straw light ash is 5 with the mass ratio of lignin：5：5, then microbe leaven dilution is sprayed in the feed, in sprinkling
Stir, moisture controls 55%.Banking up carries out aerobic fermentation, carries out roller overturning when material temperature reaches 60 DEG C,
Proceed aerobic fermentation, equitemperature carries out anaerobic fermentation using by the compacting of raw material stacking after coming up again.Fermentation time 7 days, former
Material has bent fragrance and not smelly in fluffy, obtains high-activity biological humic acid (BFA).
Fermentate is made drying using low temperature (40 DEG C) the drying-granulating machine of Qinhuangdao Nuo Xin Environmental Protection Technology Co., Ltd
Particle, i.e. biological humic acid particle, moisture 15%.
First, 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：Per mu of (667m2) 2200 plants of plantation.Testing ground area 600m2, totally 12 furrow, with per adjacent three furrow as one
Cell, totally four cells, randomly selects three cells, area 450m2For test group, make one and process three repetitions, another cell
150m2For check plot.Test group in September 20 days, October 1 to fertilize when each to add biology prepared by 1 kilogram of embodiment 1 rotten
Grow acid and be watered 1000 times and root is poured, control group pours the water of equivalent, and other field management trial zones are identical with check plot.Observation appearance,
Investigate crop.Chemical fertilizer commercially available prod, purchased from Anhui Quansheng Chemical Co., Ltd..
Result of the test and discussion：
Field observation test group plant growing way neat and consistent, leaf color are dark green and glossy, few find virus morbidity strain and
Lopsided strain.And control group then plant growing way is uneven, virus morbidity strain, lopsided strain are more, and leaf color dimness lacks gloss.Test
The observation result and comparing result of group and control group is shown in Table 3.
Table 3 is to the test group of the synergy test of chemical fertilizer and the observation result of control group and comparing result
Three cell productions of test group are respectively 834kg, 774kg, 806kg, average 805kg, and check plot is 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, strengthens the ability for absorbing nutrient, reduces disease, and increase can harvest strain number, increases individual plant weight, so as to improve product
Amount.
2nd, high-activity biological humic acid Effect of improving soil test：
Experimental enviroment：Engineering Technical Research Centre
Test method：Selection soil carries 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 of punchings and applies once, dose 7kg/ mu in terms of N, and the punching of blank group equivalent water is applied once,
After one week, while taking soil to carry out the survey of water capacity and soil porosity in the test group of three pieces of trial zones and blank group
Fixed, water capacity is determined with reference to NY/T1121.22-2010《Soil K+adsorption》22nd part：The measure of water-retaining quantity among field of soil-
Core cutter method, soil porosity determine reference《Soil analysis technical specification》(second edition) chapter 4：Specific gravity of soil, unit weight, hole
The measure of degree, result of the test are shown in Table 4.
4 different soils Experimental Comparison result of table
Result of the test and discussion：As shown in Table 4, the administration of the high-activity biological humic acid prepared by the embodiment of the present invention 1,
So that the water-holding capacity of sandy soil, loam and clay and porosity all obtain different degrees of lifting, the moisture stream in soil is reduced
Losing, the water holding capacity of soil being improve, while improve utilization rate of the fertilizer in soil；On the other hand, soil increased
Porosity, improves soil aeration water penetration, promotes the growth of crop root in soil.
In sum, only the preferred embodiments of the invention, does not limit protection scope of the present invention with this, all according to the present invention
Equivalence changes and modification that the scope of the claims and description are made, are all within the scope of patent of the present invention covers.
Claims (10)
1. a kind of preparation method of high-activity biological humic acid, it is characterised in that：Comprise the following steps：
(1) by agriculture and forestry organic waste material by pre-processing cut-out, after dedusting, enter centrifugal station, isolate hemicellulose, cellulose and
Lignin, and straw light ash is produced, the hemicellulose that wherein isolates and lignin are liquid phase, i.e. hemicellulose liquid and lignin
Stoste；
(2) prepared by biomass sludge：
Hemicellulose liquid enters Waste Water Treatment, sequentially passes through pretreatment stage, biochemical treatment stage and advanced treating stage
Process, pretreatment stage goes oil removal to produce preliminary sludge, it is remaining living that the biochemical treatment stage removes a large amount of dissolubilities COD generations
Property sludge, the advanced treating stage removes and is difficult the pollutant that is biodegradable on a small quantity and produces chemical sludge；
Preliminary sludge, residual active sludge and chemical sludge are blended, concentrate, flocculate, being dehydrated, dry after, obtain biomass sludge；
(3) prepared by lignin：
Ca (OH) of the lignin stoste through addition 10-100ppm2Flocculation, precipitation, obtain biochemical lignin supernatant, cross 10-30 μm
After filter, concentrate through film and multiple-effect evaporation obtains liquid biochemical lignin, after spray drying, solid-state biochemical lignin is obtained, i.e.,
Lignin；
(4) prepared by microbe leaven dilution：
Microbe leaven is added to the water and is stirred, obtain microbe leaven dilution；
(5) biomass sludge, straw light ash and lignin are mixed as raw material, then by microbe leaven dilution
Sprinkling in the feed, is stirred in sprinkling, and banking up carries out aerobic fermentation, carries out roller when temperature rises to 40-60 DEG C
Overturn, proceed aerobic fermentation, when temperature rises to 40-60 DEG C again, the compacting of raw material stacking is carried 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：Described hemicellulose
Liquid after pretreatment, after the vapour cooking 1-5min of 0.6-3.0MPa, then carries out multistage cleaning and solid 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：Described preliminary sludge
The sludge of generation is precipitated for the suspension in hemicellulose liquid in pretreatment stage one sinks pond.
4. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that：Described residual activity
Sludge enters the biochemical treatment stage for hemicellulose liquid after pretreatment stage, anaerobic reaction occurs in the biochemical treatment stage
The aerobic activated sludge that the anaerobic activated sludge of generation and aerobic reaction are produced.
5. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that：Described chemical sludge
The sludge produced when removing and be difficult the pollutant being biodegradable for the waste water that biochemical processing stage produces.
6. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that：Described straw light ash
It is the plant comminution of material produced in agriculture and forestry organic waste material preprocessing process, moisture≤30%, average grain diameter are less than 20mm.
7. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that：Described microorganism sends out
Ferment agent is organic fertilizer fermentation agent or the prebiotic bacterium solution of EM, and living bacteria count >=10,000,000,000/mL, 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：Described living beings are dirty
Mud, straw light ash are 5 with the mass ratio of lignin：1-5：1-5.
9. the preparation method of high-activity biological humic acid according to claim 1, it is characterised in that：Described microorganism sends out
When prepared by ferment dilution agent liquid, 50-100L water is added per 1L microbe leaven, 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：During described fermentation
Between be 7-30 days.
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| CN107903089A (en) * | 2017-11-30 | 2018-04-13 | 兰秋波 | A kind of method for preparing fertilizer using accessory substance obtained by treatment of Organic Wastewater |
| 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 |
| CN111848261A (en) * | 2020-08-20 | 2020-10-30 | 郎建华 | Nitrified waste acid biomass absorption method and hydrolysis device |
| CN113072287A (en) * | 2021-04-26 | 2021-07-06 | 南京师范大学 | Method for regulating generation of humic acid from sludge hydrothermal and passivating heavy metal |
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| 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 |
| CN111848261A (en) * | 2020-08-20 | 2020-10-30 | 郎建华 | Nitrified waste acid biomass absorption method and hydrolysis device |
| CN111848261B (en) * | 2020-08-20 | 2024-04-26 | 郎建华 | Nitrifying waste acid biomass absorption method and hydrolysis device |
| CN113072287A (en) * | 2021-04-26 | 2021-07-06 | 南京师范大学 | Method for regulating generation of humic acid from sludge hydrothermal and passivating heavy metal |
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