CN105330488B - One kind composite soil conditioner containing humic acid and its preparation method and application - Google Patents
One kind composite soil conditioner containing humic acid and its preparation method and application Download PDFInfo
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Abstract
The present invention relates to a kind of composite soil conditioners containing humic acid and its preparation method and application.The composition of soil conditioner includes organic component, inorganic component；The soil conditioner is formed by following mass fraction: organic component is 1:0.5-1.5 with inorganic component mass ratio；The organic component is humic acid, and the inorganic component is alkaline residue.The preparation method comprises the following steps: organic component is taken to be placed in the stirred tank of jacketed, 20-30% aqueous solution of nitric acid is added as activating solution, it stirs evenly, it is slowly warming up to 60-80 DEG C, after reacting 0.5-1.0h, is cooled to room temperature, inorganic component is added, it is uniformly mixed to dope, the dry 4-6d of aging, obtains powdery composite soil conditioner containing humic acid under room temperature.Application the invention further relates to the soil conditioner as soil conditioner or base manure.Soil conditioner of the present invention has the effect of promoting plant seed germination, significantly increase production, and production cost is low, easy to use as base manure, while solving the problems, such as trade waste resource utilization.
Description
Technical field
The invention belongs to soil improvement material technical field, more particularly to a kind of composite soil conditioner containing humic acid and its
Preparation method and application.
Background technique
Soda ash is widely used in metallurgy, chemical industry, building materials, papermaking, medicine, food etc. as important basic chemical industry raw material
Industry, but the soda manufacture technique based on ammonia-soda process generates a large amount of alkaline residues, because itself alkalinity is strong, high containing chlorine, hygroscopicity is big
The features such as, it is difficult to processing and resource utilization seriously pollute environment at present to store up or fill out based on sea.In fact, alkaline residue contains
Element needed for a large amount of plant growths such as Ca, Mg and a small amount of K, Si, Cu, Zn, Mn, and heavy metal ion is free of, it can be used as member
Fertilizer and soil conditioner raw material, related alkaline residue agriculturalization technology have relevant report.But directly use alkaline residue as fertilizer
And soil conditioner, there are many problems not only to easily cause the skin, eyes and respiratory tract of user if its alkalinity is stronger
It will lead to soil salt when waiting the stimulation or corrosion at positions, and being applied in soil increase, is hardened, and make the physical of soil
Shape is deteriorated, unfavorable plant growth.Soil quality how can be also improved when improveing soil using alkaline residue, promoted plant growth, mentioned
High crop output quality is alkaline residue comprehensive utilization and soil conditioning field key technical problem urgently to be resolved.To improve its application
Effect have been reported that using organic matter with alkaline residue is compound prepares fertilizer, such as with dregs of sodium sulphide prepare siliceous fertilizer (patent 03106905.3),
Alkaline residue and phosphorous acid anhydrides are mixed with white fertile (03140470.7), are adjusted to the alkaline residue and mountain flour, urea of strong basicity with phosphoric acid monoamine
Equal mixing will prepare granulated fertilizer (zl03140471.5), humic-acid kind organic fertilizer and alkaline residue, urea and inorganic matter and prepare acid soil
Conditioner (application number 201410797211.2), alkaline residue cooperation municipal sludge prepare acidic soil conditioner (publication number
1868930A) etc., although these methods have preferable application effect, but be generally suitble to use in acid soil, and preparing
CaCl in alkaline residue is not considered in the process2、NaCl、MgCl2The inhibiting effect that equal chlorides breed Soil Microorganism group, and
Increase heavy metal in soil the amount of dissolution, there are huge environmental risks, therefore large-scale popularization use is restricted.
The present invention uses the dechlorination alkaline residue handled through special process and the humic acid through overactivation to prepare by physical mixed
Organo-mineral complexing soil conditioner, simple process, raw material are easy to get, and suitable soil Type Range is wide, to acid-base property soil
Application can significantly improve soil fertility, promote plant growth, increase crop yield.
Summary of the invention
The present invention provides one kind composite soil conditioner containing humic acid and its preparation method and application, which is a kind of benefit
Be inorganic component with ammonia-soda process alkaline residue, humic acid is new technology that organic component prepares soil conditioner, to solve the big rule of alkaline residue
Mould is comprehensive to recycle difficult problem, and greatly improves soil quality.
In order to solve the above technical problems, the present invention adopts the following technical solutions: a kind of composite soil conditioner containing humic acid,
The composition of the soil conditioner includes organic component, inorganic component；The soil conditioner is formed by following mass fraction: being had
Machine component and inorganic component mass ratio are 1:0.5-1.5；The organic component is humic acid, and the inorganic component is alkaline residue.
Organic component of the present invention is that the humic acid of purity >=70% or content are greater than 50% humic acid original powder.
Inorganic component of the present invention is the alkaline residue that ammonia-soda process generates, and passes through dechlorination process, chlorinty≤3%.
Organic component of the present invention and inorganic component mass ratio are 1:0.7-1.1.
The present invention also provides a kind of above-mentioned preparation methods of the composite soil conditioner containing humic acid, and organic component is taken to be placed in band
In the stirred tank of collet, 20-30% aqueous solution of nitric acid is added as activating solution, stirs evenly, is slowly warming up to 60-80 DEG C, reaction
It after 0.5-1.0h, is cooled to room temperature, inorganic component is added, be uniformly mixed to dope, the dry 4-6d of aging, obtains powdery under room temperature
Composite soil conditioner containing humic acid.
Organic component of the present invention and activating solution mass volume ratio are 1:1-1.5, and the mass unit is kg, the body
Product unit is L.
Organic component of the present invention and activating solution mass volume ratio are 1.25-1.45, and the mass unit is kg, described
Volume unit is L.
The pH value of the composite soil conditioner of the present invention containing humic acid is 6-7.
Another object of the present invention is to provide a kind of composite soil conditioners containing humic acid as soil conditioner or base
The application of fertilizer, the especially described soil conditioner are promoting plant seed germination, are increasing the application on plant products.
The present invention is using humic acid or humic acid original powder the having as the composite conditioner containing humic acid soil being activated
Machine component.Humic acid is animals and plants remains (mainly plant remains) by microorganism decomposition and conversion and a series of earth
Chemical process and the organic polymer mixture accumulated, can increase that soil aggregate structure, to improve soil empty in the soil
Gap situation improves soil to cation adsorption property, increases soil fertilizer ability and soil beneficial microbe activity, promote nutrient
Release regulates and controls plant growth.Phenol-quinone structure in humic acid molecule have stimulation root system robust growth, promote seed sprout and
Increase crop tiller etc..But since humic acid is solid weak acid, compound tense directly is carried out with solid inorganic object and is not easy sufficiently to react,
Therefore humic acid is carried out activation makes have the acidic-groups such as more carboxyls, phenolic hydroxyl group in its structure, increases acid and activity, easily
Reacted with indissoluble alkaline, inorganic salts, oxide, hydroxide in alkaline residue, formed with humic acid chelate of metal ion be mainly at
The soil conditioner divided can reduce the strong basicity of alkaline residue, and increase the soil organism, the various soil for being suitble to acid-base property different
Earth conditioning.
The present invention is using inorganic component of the dechlorination alkaline residue as the composite soil conditioner containing humic acid Jing Guo process.
Contain CaCl in alkaline residue2、NaCl、MgCl2Equal soluble salts, wherein chlorine accounts for the 10-15% of alkaline residue total amount.Although chlorine is that plant growth must
Must nutrient, but it is seldom to the demand of chlorine in plant development process, general plant include 0.1% can meet demand,
Murder by poisoning is then generated containing excessive chlorine in soil, has inhibiting effect to the breeding of Soil Microorganism group and plant growth, and make
Heavy metal in soil the amount of dissolution increases, and is also lost easily the evolution of the beneficial metallic elements such as Ca, destroys soil texture, cause soil plate
Knot.The present invention removes in alkaline residue 90% or more chlorine, it is therefore prevented that the above problem occurs, the obtained tune of composite soil containing humic acid
Reason agent can be used for soil conditioning and protection for a long time.
The application raw material is weathered coal or lignite humic acid, and measuring method is referred to using GB/T11957-2001 " in coal
Humic Acid Production Rate measuring method ".
Beneficial effect caused by the present invention is: 1, at home and abroad planting for the first time using trade waste alkaline residue and activation are rotten
Acid or humic acid original powder are raw material, are prepared for composite soil conditioner containing humic acid by mechanical mixture and aging drying, have
Promote plant seed germination, the effect significantly increased production.2, the preparation process and required equipment of the composite soil conditioner containing humic acid
Simply, it is only necessary to humic acid mix after simply activating with dechlorination alkaline residue, natural aging is dry at normal temperature, without consumption
A large amount of energy consumptions, production cost are low.3, the soil conditioner is easy to use as base manure, and breaking through alkaline residue makes soil quality
The problem of decline provides new method for trade waste resource utilization and soil protection and conditioning.
Specific embodiment
The present invention will be further described in detail below with reference to specific embodiments.
Embodiment 1
Composite soil conditioner containing humic acid, composition include organic component humic acid (humic acid content 78%), inorganic component
Dechlorination alkaline residue (chlorinty 1.2%)；Organic component and inorganic component mass ratio are 1:1.1.
Preparation method: taking organic component to be placed in the stirred tank of jacketed, and 20% aqueous solution of nitric acid of 1.25 times of volumes is added
It as activating solution, stirs evenly, is slowly warming up to 60 DEG C, after reacting 1.0h, be cooled to room temperature, inorganic component is added, mixing is equal
Even to dope, control pH value is 6.0, and the dry 4d of aging under room temperature is during which primary every 1d stirring, obtains powdery and answers containing humic acid
Close soil conditioner.
Embodiment 2
Composite soil conditioner containing humic acid, composition include organic component humic acid original powder (humic acid content 55%), inorganic
Component dechlorination alkaline residue (chlorinty 0.9%)；Organic component and inorganic component mass ratio are 1:0.7.
Preparation method: taking organic component to be placed in the stirred tank of jacketed, and 30% aqueous solution of nitric acid of 1.45 times of volumes is added
It as activating solution, stirs evenly, is slowly warming up to 80 DEG C, after reacting 1.0h, be cooled to room temperature, inorganic component is added, mixing is equal
Even to dope, control pH value is 6.9, and the dry 6d of aging under room temperature is during which primary every 1d stirring, obtains powdery and answers containing humic acid
Close soil conditioner.
Embodiment 3
Composite soil conditioner containing humic acid, composition include organic component humic acid original powder (humic acid content 67%), inorganic
Component dechlorination alkaline residue (chlorinty 2.2%)；Organic component and inorganic component mass ratio are 1:0.9.
Preparation method: taking organic component to be placed in the stirred tank of jacketed, and 20% aqueous solution of nitric acid of 1.4 times of volumes is added
It as activating solution, stirs evenly, is slowly warming up to 80 DEG C, after reacting 0.5h, be cooled to room temperature, inorganic component is added, mixing is equal
Even to dope, control pH value is 6.5, and the dry 5d of aging under room temperature is during which primary every 1d stirring, obtains powdery and answers containing humic acid
Close soil conditioner.
Embodiment 4
Composite soil conditioner containing humic acid, composition include organic component humic acid original powder (humic acid content 82%), inorganic
Component dechlorination alkaline residue (chlorinty 1.4%)；Organic component and inorganic component mass ratio are 1:1.
Preparation method: taking organic component to be placed in the stirred tank of jacketed, and 30% aqueous solution of nitric acid of 1.4 times of volumes is added
It as activating solution, stirs evenly, is slowly warming up to 80 DEG C, after reacting 0.5h, be cooled to room temperature, inorganic component is added, mixing is equal
Even controlling pH value is 7 to dope, and the dry 6d of aging under room temperature is during which primary every 1d stirring, and it is compound containing humic acid to obtain powdery
Soil conditioner.
Embodiment 5
Composite soil conditioner containing humic acid, composition include organic component humic acid (humic acid content 80%), inorganic component
Dechlorination alkaline residue (chlorinty 0.1%)；Organic component and inorganic component mass ratio are 1:1.
Preparation method: taking organic component to be placed in the stirred tank of jacketed, and 20% aqueous solution of nitric acid of 1.25 times of volumes is added
It as activating solution, stirs evenly, is slowly warming up to 80 DEG C, after reacting 0.5h, be cooled to room temperature, inorganic component is added, mixing is equal
Even to dope, control pH value is 6.8, and the dry 4d of aging under room temperature is during which primary every 1d stirring, obtains powdery and answers containing humic acid
Close soil conditioner.
Embodiment 6
Composite soil conditioner containing humic acid, composition include organic component humic acid (humic acid content 70%), inorganic component
Dechlorination alkaline residue (chlorinty 3.0%)；Organic component and inorganic component mass ratio are 1:0.5.
Preparation method: taking organic component to be placed in the stirred tank of jacketed, and 25% aqueous solution of nitric acid that 1 times of volume is added is made
It for activating solution, stirs evenly, is slowly warming up to 75 DEG C, after reacting 0.6h, be cooled to room temperature, inorganic component is added, be uniformly mixed
To dope, controlling pH value is 6.2, the dry 5d of aging under room temperature, during which primary every 1d stirring, and it is compound containing humic acid to obtain powdery
Soil conditioner.
Embodiment 7
Composite soil conditioner containing humic acid, composition include organic component humic acid (humic acid content 75%), inorganic component
Dechlorination alkaline residue (chlorinty 2.5%)；Organic component and inorganic component mass ratio are 1:1.5.
Preparation method: taking organic component to be placed in the stirred tank of jacketed, and 28% aqueous solution of nitric acid of 1.5 times of volumes is added
It as activating solution, stirs evenly, is slowly warming up to 68 DEG C, after reacting 0.8h, be cooled to room temperature, inorganic component is added, mixing is equal
Even to dope, control pH value is 6.1, and the dry 4d of aging under room temperature is during which primary every 1d stirring, obtains powdery and answers containing humic acid
Close soil conditioner.
Embodiment 8
The present embodiment to be intended to prove composite soil conditioner containing humic acid promote vegetable seeds seed sprout in answering
With.
This experiment selects Chinese cabbage seed to be tested, and the product of embodiment 1-7 is used as base manure, will be contained prior to seeding
Humic acid composite soil conditioner is uniformly sprinkled into upper soll layer, is turned in 10cm depth, and amount of application is 108kg/ mus.Sowing
3d surveys germinating energy, and 7d surveys germination percentage, compares with soil conditioner is not added, the results are shown in Table 1.
The influence that 1 soil conditioner of table sprouts Chinese cabbage seed
Note: germinating energy raising amount/%=(experimental group-blank control group)/blank control group * 100
Germination percentage raising amount/%=(experimental group-blank control group)/blank control group * 100
Embodiment 9
The present embodiment is to being intended to prove application of the composite soil conditioner containing humic acid in terms of promoting plant yield-increasing.
It selects autumn cabbage to be tested, uses embodiment 1-7 as base manure, prior to seeding uniformly spread soil conditioner
Enter upper soll layer, turned in 10cm depth, amount of application is 108kg/ mus, is applied in planting process farmyard manure 1 time, measure of watering
It is completely the same, compared with soil conditioner is not added, yield and and rate of growth be shown in Table 2.
Influence of 2 soil conditioner of table to Chinese cabbage yield
Note: than CK rate of growth/%=(experimental group-blank control group)/blank control group * 100
As can be seen that using composite soil conditioner from Tables 1 and 2, hence it is evident that improve edaphic condition, promote Chinese cabbage
Seed is sprouted, and lays a good foundation for volume increase and obvious effect of increasing production, soil quality are improved.
The present invention not only reduces pollution of the alkaline residue to environment, mass production cost needed for saving alkaline residue harmless treatment,
And the protection of the sustainable development and ecological environment to agricultural is of great significance, and it is easy to spread, there is extensive market to answer
Use prospect.
Claims (10)
1. a kind of composite soil conditioner containing humic acid, it is characterised in that: the composition of the soil conditioner include organic component,
Inorganic component；The soil conditioner is formed by following mass fraction: organic component is 1:0.5- with inorganic component mass ratio
1.5；The organic component is humic acid, and the inorganic component is alkaline residue；
It takes organic component to be placed in the stirred tank of jacketed, 20-30% aqueous solution of nitric acid is added as activating solution, stirs evenly,
It is slowly warming up to 60-80 DEG C, after reacting 0.5-1.0h, is cooled to room temperature, inorganic component is added, be uniformly mixed to dope, often
The lower dry 4-6d of aging of temperature, obtains powdery composite soil conditioner containing humic acid；
The organic component and activating solution mass volume ratio are 1: 1-1.5, and the mass unit is kg, and the volume unit is
L。
2. one kind composite soil conditioner containing humic acid according to claim 1, it is characterised in that: the organic component is
The humic acid of purity >=70%.
3. one kind composite soil conditioner containing humic acid according to claim 1, it is characterised in that: the organic component is
Content is greater than 50% humic acid original powder.
4. one kind composite soil conditioner containing humic acid according to claim 1, it is characterised in that: the inorganic component is
The alkaline residue that ammonia-soda process generates, and pass through dechlorination process, chlorinty≤3%.
5. one kind composite soil conditioner containing humic acid according to any one of claims 1-4, it is characterised in that: described
Organic component and inorganic component mass ratio are 1:0.7-1.1.
6. special based on a kind of preparation method of composite soil conditioner containing humic acid described in claim 1-5 any one
Sign is: taking organic component to be placed in the stirred tank of jacketed, 20-30% aqueous solution of nitric acid is added as activating solution, stirring is equal
It is even, it is slowly warming up to 60-80 DEG C, after reacting 0.5-1.0h, is cooled to room temperature, inorganic component is added, is uniformly mixed to sticky
Object, the dry 4-6d of aging, obtains powdery composite soil conditioner containing humic acid under room temperature；
The organic component and activating solution mass volume ratio are 1: 1-1.5, and the mass unit is kg, and the volume unit is
L。
7. the preparation method of the composite soil conditioner according to claim 6 containing humic acid, it is characterised in that: the organic component
It is 1:1.25-1.45 with activating solution mass volume ratio, the mass unit is kg, and the volume unit is L.
8. the preparation method of the composite soil conditioner according to claim 6 containing humic acid, it is characterised in that: described to contain humic acid
The pH value of composite soil conditioner is 6-7.
9. based on one kind composite soil conditioner containing humic acid described in claim 1-5 any one as soil conditioner or
The application of base manure.
10. a kind of composite soil conditioner containing humic acid according to claim 9 is answered as soil conditioner or base manure
With, it is characterised in that: the soil conditioner is promoting plant seed germination, is increasing the application on plant products.
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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 |
| CN108251124B (en) * | 2018-03-14 | 2021-04-23 | 上海立昌环境科技股份有限公司 | Saline-alkali soil conditioner and saline-alkali soil improvement method |
| 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 |
| CN114381277B (en) * | 2022-01-29 | 2022-07-19 | 中节能（连云港）清洁技术发展有限公司 | Soil conditioner based on harmless and recycling treatment of alkali residues and preparation thereof |
| CN114907859B (en) * | 2022-05-31 | 2023-07-07 | 中国农业大学 | Organic-inorganic acid soil conditioner and preparation method and application thereof |
| CN115594862B (en) * | 2022-08-26 | 2024-05-28 | 关祥瑞 | Method and equipment for preparing calcium magnesium humate chelating liquid from ammonia alkali alkaline residues |
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| CN101417904B (en) * | 2008-11-20 | 2011-05-11 | 山东省农业科学院土壤肥料研究所 | Weathered coal soil salinization modifying agent and preparation method thereof |
| CN101544890B (en) * | 2009-05-05 | 2010-10-13 | 广东省农业科学院土壤肥料研究所 | A fertility-betterment type soil-conditioner and the preparation method thereof |
| CN104190690B (en) * | 2014-08-06 | 2016-05-04 | 华南理工大学 | A kind of method and application that utilizes ammonia-soda process alkaline residue to prepare dechlorination alkaline residue mixture |
| CN104529633B (en) * | 2014-12-22 | 2018-01-16 | 山东省海洋化工科学研究院 | A kind of Chemical Mixed Fertilizer prepared using salt manufacturing, alkaline discarded object and preparation method thereof |
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