CN105330488A - Composite soil conditioner containing humic acid and preparing method and application thereof - Google Patents
Composite soil conditioner containing humic acid and preparing method and application thereof Download PDFInfo
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- CN105330488A CN105330488A CN201510893842.9A CN201510893842A CN105330488A CN 105330488 A CN105330488 A CN 105330488A CN 201510893842 A CN201510893842 A CN 201510893842A CN 105330488 A CN105330488 A CN 105330488A
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Abstract
The invention relates to a composite soil conditioner containing humic acid and a preparing method and application thereof. The soil conditioner comprises an organic component and an inorganic component and is prepared from, by mass, the organic component and the inorganic component by the mass ratio of 1:0.5-1.5, wherein the organic component is humic acid, and the inorganic component is caustic dross. The preparing method includes the steps that the organic component is taken and placed in an agitated vessel with a jacket, a 20-30% nitric acid water solution is added to serve as activate fluid and stirred uniformly, the temperature is slowly raised to 60 DEG C-80 DEG C, after reactions are carried out for 0.5-1.0 h, the reaction products are cooled to the room temperature, the inorganic component is added and mixed uniformly to form a viscous material, and the viscous material is aged and dried for 4-6 d at the normal temperature to obtain the powdery composite soil conditioner containing humic acid. The invention further relates to the application of the soil conditioner as a soil conditioner or base fertilizer. The soil conditioner has the effects of promoting germination of plant seeds and remarkably increasing the yield, is low in production cost and convenient to use as the base fertilizer and achieves the effect of resource utilization of industrial waste.
Description
Technical field
The invention belongs to soil improvement material technical field, particularly relate to a kind of containing humic acids composite soil conditioner and its preparation method and application.
Background technology
Soda ash is as important basic chemical industry raw material, be widely used in the industries such as metallurgy, chemical industry, building materials, papermaking, medicine, food, but the soda manufacture technique based on solvay soda process produces a large amount of alkaline residue, because of the feature such as strong, the chloride height of self alkalescence, water absorbability be large, be difficult to process and recycling, at present to store up or to fill out sea, serious environment pollution.In fact, alkaline residue contains the element needed for plant-growth such as a large amount of Ca, Mg and a small amount of K, Si, Cu, Zn, Mn, and not containing heavy metal ion, can as element fertilizer and soil conditioner raw material, relevant alkaline residue agriculturalization technology has relevant report.But directly use alkaline residue as fertilizer and soil conditioner, there is many problems, as stronger in its alkalescence, not only easily cause stimulation or the corrosion at the positions such as the skin of user, eyes and respiratory tract, and soil salt when being applied in soil, can be caused to increase, harden, and the physical behavior of soil is deteriorated, unfavorable plant growth.How also can improve soil quality when utilizing alkaline residue to improve soil, Promoting plant growth, raising crop output quality are alkaline residue comprehensive utilization and soil conditioning field key technical problem urgently to be resolved hurrily.Report is had to adopt organic matter and alkaline residue compound to prepare fertilizer for improving its effect, as prepared siliceous fertilizer (patent 03106905.3) with dregs of sodium sulphide, alkaline residue and phosphorous acid anhydrides are mixed with white fertilizer (03140470.7), alkaline alkaline residue and stone flour is adjusted to MAP, the mixing such as urea will prepare granulated fertilizer (zl03140471.5), humic-acid kind fertilizer and alkaline residue, urea and inorganics prepare acidic soil conditioner (application number 201410797211.2), alkaline residue coordinates municipal sludge to prepare acidic soil conditioner (publication number 1868930A) etc., although these methods have good effect, but be generally adapted at using in acid soil, and in preparation process, do not consider CaCl in alkaline residue
2, NaCl, MgCl
2deng the restraining effect that muriate is bred Soil Microorganism group, and heavy metal in soil stripping quantity is increased, there is huge environmental risk, therefore large-scale popularization use is restricted.
The present invention adopts the dechlorination alkaline residue through special process process to prepare organo-mineral complexing soil conditioner with the humic acids through overactivation by physical mixed, technique is simple, raw material is easy to get, suitable soil Type Range is wide, all can use acid-basicity soil, soil fertility can be significantly improved, Promoting plant growth, increases crop yield.
Summary of the invention
The invention provides a kind of containing humic acids composite soil conditioner and its preparation method and application, this technology be a kind ofly utilize that solvay soda process alkaline residue is inorganic component, humic acids prepares the new technology of soil conditioner for organic constituent, to solve alkaline residue large-scale comprehensive recycling difficult problem, and greatly improve soil quality.
For solving the problems of the technologies described above, the present invention adopts following technical proposals: a kind of containing humic acids composite soil conditioner, the composition of described soil conditioner comprises organic constituent, inorganic component; Described soil conditioner forms by following mass fraction: organic constituent and inorganic component mass ratio are 1:0.5-1.5; Described organic constituent is humic acids, and described inorganic component is alkaline residue.
Organic constituent of the present invention is that the humic acids of purity >=70% or content are greater than the former powder of 50% humic acids.
Inorganic component of the present invention is the alkaline residue that ammonia-soda process produces, and through dechlorination process, chlorinity≤3%.
Organic constituent of the present invention and inorganic component mass ratio are 1:0.7-1.1.
The present invention also provides above-mentioned a kind of preparation method containing humic acids composite soil conditioner, get the stirring tank that organic constituent is placed in jacketed, add 20-30% aqueous nitric acid as activation solution, stir, be slowly warmed up to 60-80 DEG C, after reaction 0.5-1.0h, be cooled to room temperature, add inorganic component, mix to dope, aging dry 4-6d under normal temperature, obtains powdery containing humic acids composite soil conditioner.
Organic constituent of the present invention and activation solution mass volume ratio are 1:1-1.5, and described mass unit is kg, and described volume unit is L.
Organic constituent of the present invention and activation solution mass volume ratio are 1.25-1.45, and described mass unit is kg, and described volume unit is L.
PH value containing humic acids composite soil conditioner of the present invention is 6-7.
Another object of the present invention is to provide a kind of containing the application of humic acids composite soil conditioner as soil conditioner or base manure, especially described soil conditioner promoting plant seed germination, the application increased on plant biomass.
The present invention adopts the humic acids of activation treatment or the former powder of humic acids as the organic constituent containing humic acid soil composite conditioner.Humic acids is that animals and plants remains (mainly plant remains) are through microbial decomposition and conversion, and a series of geochemical process and the organic polymer mixture accumulated, soil aggregate can be increased in soil, improve interstices of soil situation, improve soil to cation adsorption property, increase soil fertilizer ability and the activity of soil beneficial microorganism, promote nutrients release, regulation and control plant growth.Phenol-quinone structure in humic acids molecule has stimulates root system robust growth, promote that seed germination and increase crop tiller.But because humic acids is solid weak acid, direct and solid inorganic thing carries out compound tense and not easily fully reacts, therefore humic acids is carried out activation and make, in its structure, there is the acidic-groups such as more carboxyls, phenolic hydroxyl group, increase acid and active, indissoluble alkaline, inorganic salts, oxide compound, oxyhydroxide react easily and in alkaline residue, form the soil conditioner being main component with humic acids chelate of metal ion, namely the strong basicity of alkaline residue can be reduced, increase the soil organism again, be applicable to the various soil conditionings that acid-basicity is different.
The present invention adopts dechlorination alkaline residue through art breading as containing the inorganic component of humic acids composite soil conditioner.Containing CaCl in alkaline residue
2, NaCl, MgCl
2deng soluble salt, wherein chlorine accounts for the 10-15% of alkaline residue total amount.Although the chlorine nutritive element that to be plant-growth necessary, but it is little to the demand of chlorine in plant development process, general plant materials includes 0.1% and can satisfy the demands, then murder by poisoning is produced containing excessive chlorine in soil, there is restraining effect to the breeding of Soil Microorganism group and plant-growth, and heavy metal in soil stripping quantity is increased, also easily make the beneficial metallic elements effusions such as Ca run off, spoiled soil structure, causes soil compaction.The present invention by alkaline residue more than 90% chlorine removing, prevent the problems referred to above to occur, obtain contain humic acids composite soil conditioner can for a long time for soil conditioning and protection.
The application's raw material is weathered coal or lignite humic acid, and its measuring method is with reference to adopting GB/T11957-2001 " in coal Humic Acid Production Rate measuring method ".
The beneficial effect that the present invention produces is: 1, adopt trade waste alkaline residue to be raw material with activation humic acids or the former powder of humic acids at home and abroad first, prepare containing humic acids composite soil conditioner through mechanically mixing and aging drying, there is promotion plant seed germination, the effect of significantly volume increase.2, containing the preparation technology of humic acids composite soil conditioner and required equipment simple, mix with dechlorination alkaline residue after only needing to carry out simple activation to humic acids, the drying of weather aging at normal temperatures, without the need to consuming a large amount of energy consumption, production cost is low.3, this soil conditioner is easy to use as base manure, breaks through alkaline residue and is used alone the difficult problem that soil quality is declined, for trade waste recycling and soil protection and conditioning provide novel method.
Embodiment
Below in conjunction with specific embodiment, the present invention is further detailed explanation.
Embodiment 1
Containing humic acids composite soil conditioner, composition comprises organic constituent humic acids (humic acids content 78%), inorganic component dechlorination alkaline residue (chlorinity 1.2%); Organic constituent and inorganic component mass ratio are 1:1.1.
Preparation method: get the stirring tank that organic constituent is placed in jacketed, 20% aqueous nitric acid adding 1.25 times of volumes, as activation solution, stirs, and is slowly warmed up to 60 DEG C, after reaction 1.0h, be cooled to room temperature, add inorganic component, mix to dope, control ph is 6.0, aging dry 4d under normal temperature, period stirs once every 1d, obtains powdery containing humic acids composite soil conditioner.
Embodiment 2
Containing humic acids composite soil conditioner, composition comprises the former powder of organic constituent humic acids (humic acids content 55%), inorganic component dechlorination alkaline residue (chlorinity 0.9%); Organic constituent and inorganic component mass ratio are 1:0.7.
Preparation method: get the stirring tank that organic constituent is placed in jacketed, 30% aqueous nitric acid adding 1.45 times of volumes, as activation solution, stirs, and is slowly warmed up to 80 DEG C, after reaction 1.0h, be cooled to room temperature, add inorganic component, mix to dope, control ph is 6.9, aging dry 6d under normal temperature, period stirs once every 1d, obtains powdery containing humic acids composite soil conditioner.
Embodiment 3
Containing humic acids composite soil conditioner, composition comprises the former powder of organic constituent humic acids (humic acids content 67%), inorganic component dechlorination alkaline residue (chlorinity 2.2%); Organic constituent and inorganic component mass ratio are 1:0.9.
Preparation method: get the stirring tank that organic constituent is placed in jacketed, 20% aqueous nitric acid adding 1.4 times of volumes, as activation solution, stirs, and is slowly warmed up to 80 DEG C, after reaction 0.5h, be cooled to room temperature, add inorganic component, mix to dope, control ph is 6.5, aging dry 5d under normal temperature, period stirs once every 1d, obtains powdery containing humic acids composite soil conditioner.
Embodiment 4
Containing humic acids composite soil conditioner, composition comprises the former powder of organic constituent humic acids (humic acids content 82%), inorganic component dechlorination alkaline residue (chlorinity 1.4%); Organic constituent and inorganic component mass ratio are 1:1.
Preparation method: get the stirring tank that organic constituent is placed in jacketed, 30% aqueous nitric acid adding 1.4 times of volumes, as activation solution, stirs, and is slowly warmed up to 80 DEG C, after reaction 0.5h, be cooled to room temperature, add inorganic component, mix to dope, control ph is 7, aging dry 6d under normal temperature, period stirs once every 1d, obtains powdery containing humic acids composite soil conditioner.
Embodiment 5
Containing humic acids composite soil conditioner, composition comprises organic constituent humic acids (humic acids content 80%), inorganic component dechlorination alkaline residue (chlorinity 0.1%); Organic constituent and inorganic component mass ratio are 1:1.
Preparation method: get the stirring tank that organic constituent is placed in jacketed, 20% aqueous nitric acid adding 1.25 times of volumes, as activation solution, stirs, and is slowly warmed up to 80 DEG C, after reaction 0.5h, be cooled to room temperature, add inorganic component, mix to dope, control ph is 6.8, aging dry 4d under normal temperature, period stirs once every 1d, obtains powdery containing humic acids composite soil conditioner.
Embodiment 6
Containing humic acids composite soil conditioner, composition comprises organic constituent humic acids (humic acids content 70%), inorganic component dechlorination alkaline residue (chlorinity 3.0%); Organic constituent and inorganic component mass ratio are 1:0.5.
Preparation method: get the stirring tank that organic constituent is placed in jacketed, 25% aqueous nitric acid adding 1 times of volume, as activation solution, stirs, and is slowly warmed up to 75 DEG C, after reaction 0.6h, be cooled to room temperature, add inorganic component, mix to dope, control ph is 6.2, aging dry 5d under normal temperature, period stirs once every 1d, obtains powdery containing humic acids composite soil conditioner.
Embodiment 7
Containing humic acids composite soil conditioner, composition comprises organic constituent humic acids (humic acids content 75%), inorganic component dechlorination alkaline residue (chlorinity 2.5%); Organic constituent and inorganic component mass ratio are 1:1.5.
Preparation method: get the stirring tank that organic constituent is placed in jacketed, 28% aqueous nitric acid adding 1.5 times of volumes, as activation solution, stirs, and is slowly warmed up to 68 DEG C, after reaction 0.8h, be cooled to room temperature, add inorganic component, mix to dope, control ph is 6.1, aging dry 4d under normal temperature, period stirs once every 1d, obtains powdery containing humic acids composite soil conditioner.
Embodiment 8
The present embodiment proves promoting the application in plant seed seed germination containing humic acids composite soil conditioner to being intended to.
This experiment selects Chinese cabbage seed to test, and the product of embodiment 1-7 uses as base manure, evenly will be sprinkled into upper soll layer prior to seeding, and turn in the 10cm degree of depth containing humic acids composite soil conditioner, and amount of application is 108kg/ mu.Sow 3d and survey germinating energy, 7d surveys percentage of germination, and does not add soil conditioner and contrasts, and the results are shown in Table 1.
The impact that table 1 soil conditioner is sprouted Chinese cabbage seed
Note: germinating energy increasing amount/%=(experimental group-blank group)/blank group * 100
Percentage of germination increasing amount/%=(experimental group-blank group)/blank group * 100
Embodiment 9
The present embodiment proves promoting the application in plant yield-increasing containing humic acids composite soil conditioner to being intended to.
Autumn cabbage is selected to test, embodiment 1-7 is used as base manure, prior to seeding soil conditioner is evenly sprinkled into upper soll layer, turn in the 10cm degree of depth, amount of application is 108kg/ mu, and execute farm manure in planting process 1 time, measure of watering is completely the same, with do not add soil conditioner and contrast, output and and stimulation ratio in table 2.
Table 2 soil conditioner is on the impact of Chinese cabbage output
Note: than CK stimulation ratio/%=(experimental group-blank group)/blank group * 100
As can be seen from Table 1 and Table 2, use composite soil conditioner, significantly improve edaphic condition, promote that Chinese cabbage seed is sprouted, for volume increase is laid a good foundation and obvious effect of increasing production, soil quality is improved.
The present invention not only reduces the pollution of alkaline residue to environment, saves a large amount of production costs needed for alkaline residue harmless treatment, and to the Sustainable development of agricultural and the protection of ecotope significant, be easy to promote, there is market application foreground widely.
Claims (10)
1., containing a humic acids composite soil conditioner, it is characterized in that: the composition of described soil conditioner comprises organic constituent, inorganic component; Described soil conditioner forms by following mass fraction: organic constituent and inorganic component mass ratio are 1:0.5-1.5; Described organic constituent is humic acids, and described inorganic component is alkaline residue.
2. one according to claim 1 is containing humic acids composite soil conditioner, it is characterized in that: described organic constituent is that the humic acids of purity >=70% or content are greater than the former powder of 50% humic acids.
3. one according to claim 1 is containing humic acids composite soil conditioner, it is characterized in that: described inorganic component is the alkaline residue that ammonia-soda process produces, and through dechlorination process, chlorinity≤3%.
4. the one according to claim 1-3 any one, containing humic acids composite soil conditioner, is characterized in that: described organic constituent and inorganic component mass ratio are 1:0.7-1.1.
5. based on a kind of preparation method containing humic acids composite soil conditioner described in claim 1-4 any one, it is characterized in that: get the stirring tank that organic constituent is placed in jacketed, add 20-30% aqueous nitric acid as activation solution, stir, be slowly warmed up to 60-80 DEG C, after reaction 0.5-1.0h, be cooled to room temperature, add inorganic component, mix to dope, aging dry 4-6d under normal temperature, obtains powdery containing humic acids composite soil conditioner.
6. preparation method according to claim 5, is characterized in that: described organic constituent and activation solution mass volume ratio are 1:1-1.5, and described mass unit is kg, and described volume unit is L.
7. preparation method according to claim 5, is characterized in that: described organic constituent and activation solution mass volume ratio are 1.25-1.45, and described mass unit is kg, and described volume unit is L.
8. preparation method according to claim 5, is characterized in that: the described pH value containing humic acids composite soil conditioner is 6-7.
9. a kind of containing the application of humic acids composite soil conditioner as soil conditioner or base manure based on described in claim 1-4 any one.
10. according to claim 9 a kind of containing the application of humic acids composite soil conditioner as soil conditioner or base manure, it is characterized in that: described soil conditioner promoting plant seed germination, the application increased on plant biomass.
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| CN108251124A (en) * | 2018-03-14 | 2018-07-06 | 天津立昌科技有限公司 | The modification method of alkaline land modifying agent and alkaline land soil |
| CN108821863A (en) * | 2018-07-12 | 2018-11-16 | 山东博华高效生态农业科技有限公司 | A kind of functional biological organic fertilizer and preparation method thereof |
| CN114230409A (en) * | 2021-11-29 | 2022-03-25 | 中国科学院沈阳应用生态研究所 | Composite soil conditioner and application method thereof |
| CN114381277A (en) * | 2022-01-29 | 2022-04-22 | 中节能（连云港）清洁技术发展有限公司 | Soil conditioner and preparation thereof |
| CN114907859A (en) * | 2022-05-31 | 2022-08-16 | 中国农业大学 | Organic-inorganic acid soil conditioner and preparation method and application thereof |
| CN115594862A (en) * | 2022-08-26 | 2023-01-13 | 关祥瑞（Cn） | Method and equipment for preparing humic acid calcium magnesium chelating liquid by using ammonia-soda alkaline residue |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106811202A (en) * | 2016-12-20 | 2017-06-09 | 北京中知高科科技有限公司 | The humic acid preparation of free heavy metal ion content and its application in a kind of reduction soil |
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| CN114230409A (en) * | 2021-11-29 | 2022-03-25 | 中国科学院沈阳应用生态研究所 | Composite soil conditioner and application method thereof |
| CN114381277A (en) * | 2022-01-29 | 2022-04-22 | 中节能（连云港）清洁技术发展有限公司 | Soil conditioner and preparation thereof |
| CN114907859A (en) * | 2022-05-31 | 2022-08-16 | 中国农业大学 | Organic-inorganic acid soil conditioner and preparation method and application thereof |
| CN115594862A (en) * | 2022-08-26 | 2023-01-13 | 关祥瑞（Cn） | Method and equipment for preparing humic acid calcium magnesium chelating liquid by using ammonia-soda alkaline residue |
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Effective date of registration: 20230605 Address after: 063300 Intersection of Chaoyang Street and Yingbin Road, Fengnan District, Tangshan City, Hebei Province Patentee after: Tangshan Ruihao Technology Co.,Ltd. Address before: 063009 Hebei province Tangshan City Xinhua West Road No. 46 Patentee before: NORTH CHINA University OF SCIENCE AND TECHNOLOGY |