CN108342195A - A kind of acid soil heavy metal pollution ecological modifying agent and preparation method thereof - Google Patents
A kind of acid soil heavy metal pollution ecological modifying agent and preparation method thereof Download PDFInfo
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Abstract
A kind of acid soil heavy metal pollution ecological modifying agent of present invention offer and preparation method thereof, is related to technical field of land improvement.Acid soil heavy metal pollution ecological modifying agent of the present invention includes following raw material：Pulverized limestone, zeolite, lactobacillus plantarum, bio-bacterial manure, nano magnesia, blue algae powder, ardealite powder, calcium magnesium phosphate, silica gel embedding yeast thalline, calcium aluminate, gangue, Humic Acid Resin, wooden powdered activated carbon, sodium base modified alta-mud.Acid soil heavy metal pollution ecological modifying agent of the present invention, at low cost, environmental pollution is small, can repairing heavy metal in soil pollution, to ensure environment sustainable development, the toxic of heavy metal in soil can be reduced, soil fertility can also be increased, ASI systematic approach can be improved.
Description
Technical field
The present invention relates to technical field of land improvement, and in particular to a kind of acid soil heavy metal pollution ecological modifying agent and its system
Preparation Method.
Background technology
In April, 2014, Chinese Ministry of Environmental Protection and Ministry of Land and Resources, which combine, has issued First National Soil Pollution Investigation bulletin, entirely
State's soil environmental aspect totally allows of no optimist, and some areas soil pollution is heavier, and arable soil environmental quality causes anxiety.In different soil
Ground utilizes in soil types, arable soil point exceeding standard rate highest, is 19.4%.Wherein, heavy metal contaminants be mainly mercury,
Arsenic, copper, lead, chromium, zinc, nickel, seriously polluted agriculture plantation and agricultural product, cause the agricultural product residual quantity of heavy metal in these places
It is exceeded, and lead to the soil hardening in these places, soil fertility decline, pest and disease damage wildness, agricultural output and quality decline, it is serious to make
The China Yue Liao agricultural sustainable development.How repairing heavy metal in soil pollutes, and is current agriculture to ensure environment sustainable development
The problem that industry and environmental protection sector are paid close attention to jointly.
The main electric section reason of the processing of heavy-metal contaminated soil, chemical treatment, biological method, and electric treatment method be divided into for
Direct electrocure process and obligate two kinds of capturing agent electric work repairing method, direct electric treatment are only capable of the heavy metal of enrichment only a few, and special
Property capturing agent electro reclamation rule applies its adsorbent with the type of heavy metal and is enriched with by the method for electromigration；Chemistry
Processing method can only change the existing way of heavy metal, make it that should not be absorbed by plants or incorporate underground water；Biological method is main
By certain obligate plants for absorbing certain class heavy metal, and the pollution level of heavy metal is reduced by way of harvesting.It is repairing
On multiple heavy-metal contaminated soil, it is not only able to reduce the toxic of heavy metal in soil using soil conditioner, can also increases soil
Earth fertility, it is economical and practical, and it is capable of the processing soil of large area.The alkaline substance such as plant slag has been preliminarily formed at present, has been had
The soil heavy metal passivants such as machine material and composite passivant make a huge sum of money by changing the existing forms of heavy metal in the soil
The activated state of category is changed into stable state, to reduce its toxic action, achievees the purpose that passivation is repaired with this.
Invention content
In view of the shortcomings of the prior art, a kind of acid soil heavy metal pollution ecological modifying agent of present invention offer and its preparation side
Method.
In order to achieve the above object, technical scheme of the present invention is achieved by the following technical programs：
A kind of acid soil heavy metal pollution ecological modifying agent, the acid soil heavy metal pollution ecological modifying agent is by following heavy
The raw material of amount part is made：30-60 parts of pulverized limestone, 10-20 parts of lactobacillus plantarum, 8-16 parts of bio-bacterial manure, is received 20-50 parts of zeolite
5-15 parts of magnesia of rice, 6-17 parts of blue algae powder, 12-25 parts of ardealite powder, 10-20 parts of calcium magnesium phosphate, silica gel embed saccharomycete
10-20 parts of body, 10-20 parts of calcium aluminate, 20-30 parts of gangue, 16-28 parts of Humic Acid Resin, wooden powdered activated carbon 10-22
Part, 15-30 parts of sodium base modified alta-mud.
Preferably, the acid soil heavy metal pollution ecological modifying agent is made of the raw material of following parts by weight：Pulverized limestone
40-55 parts, 28-40 parts of zeolite, 12-17 parts of lactobacillus plantarum, 10-14 parts of bio-bacterial manure, 9-13 parts of nano magnesia, blue algae powder
9-14 parts, 17-21 parts of ardealite powder, 13-17 parts of calcium magnesium phosphate, silica gel embedding 12-17 parts of yeast thalline, calcium aluminate 12-18
Part, 23-27 parts of gangue, 20-24 parts of Humic Acid Resin, powdered activated carbon 15-19 parts wooden, sodium base modified alta-mud 19-26
Part.
Preferably, the acid soil heavy metal pollution ecological modifying agent is made of the raw material of following parts by weight：Pulverized limestone
45 parts, 35 parts of zeolite, 15 parts of lactobacillus plantarum, 12 parts of bio-bacterial manure, 10 parts of nano magnesia, 12 parts of blue algae powder, phosphogypsum powder
19 parts of end, 15 parts of calcium magnesium phosphate, 15 parts of silica gel embedding yeast thalline, 15 parts of calcium aluminate, 25 parts of gangue, Humic Acid Resin 22
Part, 16 parts of wooden powdered activated carbon, 23 parts of sodium base modified alta-mud.
Preferably, the preparation method of the Humic Acid Resin is：Sulfonated humic acid sodium powder is broken, 160 mesh sieve is crossed, after crushing
Sulfonated humic acid sodium and phenolic resin, hydrochloric acid press 1:2:1 mass ratio mixing, is handed at a temperature of 350 DEG C after mixing
Connection solidification 5.5-6h, is washed with deionized water agent to colourless, dry, be ground up, sieved, then by obtained Humic Acid Resin crude product in
7-8h is impregnated in calcium acetate solution, be filtered, washed, dry after to obtain the final product.
Preferably, the preparation method of the silica gel embedding yeast thalline is：The progress of saccharomycete thalline is calcium alginate embedded,
Then calcium alginate-saccharomycete bacterium pearl is embedded by silica gel sol-gel method using silica matrix, finally by silica gel
Glue is placed in soluble citrate solution, obtains silica gel embedding saccharomycete thalline, and the saccharomycete thalline is Rhodotorula sp
Pseudomonas.
Preferably, the grain size of the ardealite powder is 120-160 mesh.
Preferably, the plant ash is to be produced after at least one of maize straw, wheat stalk, straw, peanut shell burn
Raw residual solids.
A kind of preparation method of acid soil heavy metal pollution ecological modifying agent, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, zeolite, gangue, wooden powdered activated carbon are mixed, is placed in Muffle furnace and calcines 2-3h in 500-550 DEG C, it is cooling,
Milling obtains mixed-powder A, spare；
S3, pulverized limestone, nano magnesia, blue algae powder, ardealite powder, calcium aluminate, sodium base modified alta-mud, plant ash are mixed
It closes, after dry and be put into blender and stir 25-35min, move it in crusher after stirring evenly and be uniformly crushed, obtained
To mixed powder B；
S4, the mixed powder B of mixed-powder A and S3 made from step S2 are mixed, the deionized water of the quality such as addition, ultrasound point
It dissipates, obtains the mixture of ultrasonic disperse processing；
Bio-bacterial manure, trace element, calcium magnesium phosphate, silica gel embedding are added in S5, the mixture handled to step S4 ultrasonic disperses
Yeast thalline, Humic Acid Resin are uniformly mixed, and extruder grain in Squeezinggranulator is moved to after drying process, are dried, you can.
Preferably, the ultrasonic frequency of ultrasonic disperse described in step S4 is 15-25KHz, rate of dispersion 7000-7500r/
Min, jitter time 55-65min.
A kind of acid soil heavy metal pollution ecological modifying agent of present invention offer and preparation method thereof, compared with prior art
Advantage is：
Humic Acid Resin, wooden powdered activated carbon, sodium base modified alta-mud in modifying agent raw material of the present invention by crosslinked action,
Contain carboxyl, alkyl, carbonyl and amino in the modifying agent of preparation, complexing can occur with heavy metal or chelating acts on, reduce soil
The activity of heavy metal in solution, and the solubility that the Humic Acid Resin of macromolecule generates complex compound with heavy metal is relatively low, counterweight
Metal is passivated and fixes, and stability is high, reduces heavy metal in soil active quantities；
Heavy metal in soil exists in the form of carbonate combine state, ferrimanganic reference state, organically combine state and residual form mostly
In solid phase of soil, heavy metal is changed into the heavy metal ion for being easy migration in acid soil, and then is absorbed by crops, and harm is made
Object and human health, in modifying agent raw material of the present invention the materials such as pulverized limestone, zeolite, blue algae powder can sweetening of the soil acid-base property, can
Improve soil acidity so that heavy metal is not easy to be changed into heavy metal ion, and then reduce heavy metal water solubility in the soil and
Migration prevents migration of the heavy metal ion from soil to crop, reduces murder by poisoning of the heavy metal to crop；
Gangue in raw material, lactobacillus plantarum, bio-bacterial manure the addition antibacterial ability and the content of organic matter of the soil that improve, have
Machine matter has certain reducing power in the soil, promotes the heavy metal in the soil liquid to form sulfide precipitation, loses activity,
The toxic of heavy metal in soil is reduced, and organic matter improves soil fertility, or even Soil Biochemistry Properties can be improved, improved
ASI systematic approach reduces demand of the crop to chemical fertilizer.The modifying agent is with good economic efficiency and environmental benefit, really real
The two-win of economy and environment is showed.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1：
The present embodiment acid soil heavy metal pollution ecological modifying agent is made of the raw material of following parts by weight：30 parts of pulverized limestone, boiling
20 parts of stone, 10 parts of lactobacillus plantarum, 8 parts of bio-bacterial manure, 5 parts of nano magnesia, 6 parts of blue algae powder, 12 parts of ardealite powder, calcium and magnesium
10 parts of phosphate fertilizer, 10 parts of silica gel embedding yeast thalline, 10 parts of calcium aluminate, 20 parts of gangue, 16 parts of Humic Acid Resin, wooden powdery are lived
10 parts of charcoal of property, 15 parts of sodium base modified alta-mud；
Wherein, the preparation method of Humic Acid Resin is：Sulfonated humic acid sodium powder is broken, 160 mesh sieve is crossed, the sulfonation corruption after crushing is planted
Sour sodium presses 1 with phenolic resin, hydrochloric acid:2:1 mass ratio mixes, after mixing the crosslinking curing 5.5h at a temperature of 350 DEG C,
Agent is washed with deionized water to colourless, it is dry, be ground up, sieved, then by obtained Humic Acid Resin crude product in calcium acetate solution
Impregnate 7h, be filtered, washed, dry after to obtain the final product；
Silica gel embedding yeast thalline preparation method be：The progress of saccharomycete thalline is calcium alginate embedded, then utilize silica gel base
Matter is embedded calcium alginate-saccharomycete bacterium pearl by silica gel sol-gel method, and hi-sil is finally placed in soluble lemon
In lemon acid salt solution, silica gel embedding saccharomycete thalline is obtained, and saccharomycete thalline is Rhodotorula sp Pseudomonas；
The preparation method of the present embodiment acid soil heavy metal pollution ecological modifying agent, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, zeolite, gangue, wooden powdered activated carbon are mixed, is placed in Muffle furnace and calcines 2h in 500 DEG C, cooling, milling,
Mixed-powder A, it is spare；
S3, pulverized limestone, nano magnesia, blue algae powder, ardealite powder, calcium aluminate, sodium base modified alta-mud, plant ash are mixed
It closes, after dry and be put into blender and stir 25min, move it in crusher after stirring evenly and be uniformly crushed, obtained
Mixed powder B；
S4, the mixed powder B of mixed-powder A and S3 made from step S2 are mixed, the deionized water of the quality such as addition, ultrasound point
It dissipates, obtains the mixture of ultrasonic disperse processing, and the ultrasonic frequency of ultrasonic disperse is 15KHz, rate of dispersion 7000r/
Min, jitter time 55min；
Bio-bacterial manure, trace element, calcium magnesium phosphate, silica gel embedding are added in S5, the mixture handled to step S4 ultrasonic disperses
Yeast thalline, Humic Acid Resin are uniformly mixed, and extruder grain in Squeezinggranulator is moved to after drying process, are dried, you can.
Embodiment 2：
The present embodiment acid soil heavy metal pollution ecological modifying agent is made of the raw material of following parts by weight：60 parts of pulverized limestone, boiling
50 parts of stone, 20 parts of lactobacillus plantarum, 16 parts of bio-bacterial manure, 15 parts of nano magnesia, 17 parts of blue algae powder, 25 parts of ardealite powder,
20 parts of calcium magnesium phosphate, 20 parts of silica gel embedding yeast thalline, 20 parts of calcium aluminate, 30 parts of bastard coal, 28 parts of Humic Acid Resin, wooden powdery
22 parts of activated carbon, 30 parts of sodium base modified alta-mud；
Wherein, the preparation method of Humic Acid Resin is：Sulfonated humic acid sodium powder is broken, 160 mesh sieve is crossed, the sulfonation corruption after crushing is planted
Sour sodium presses 1 with phenolic resin, hydrochloric acid:2:1 mass ratio mixing, the crosslinking curing 6h at a temperature of 350 DEG C, is used after mixing
Deionized water lotion is dry, be ground up, sieved to colourless, then soaks obtained Humic Acid Resin crude product in calcium acetate solution
Steep 8h, be filtered, washed, dry after to obtain the final product；
Silica gel embedding yeast thalline preparation method be：The progress of saccharomycete thalline is calcium alginate embedded, then utilize silica gel base
Matter is embedded calcium alginate-saccharomycete bacterium pearl by silica gel sol-gel method, and hi-sil is finally placed in soluble lemon
In lemon acid salt solution, silica gel embedding saccharomycete thalline is obtained, and saccharomycete thalline is Rhodotorula sp Pseudomonas；
The preparation method of the present embodiment acid soil heavy metal pollution ecological modifying agent, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, zeolite, gangue, wooden powdered activated carbon are mixed, is placed in Muffle furnace and calcines 3h in 550 DEG C, cooling, milling,
Mixed-powder A, it is spare；
S3, pulverized limestone, nano magnesia, blue algae powder, ardealite powder, calcium aluminate, sodium base modified alta-mud, plant ash are mixed
It closes, after dry and be put into blender and stir 35min, move it in crusher after stirring evenly and be uniformly crushed, obtained
Mixed powder B；
S4, the mixed powder B of mixed-powder A and S3 made from step S2 are mixed, the deionized water of the quality such as addition, ultrasound point
It dissipates, obtains the mixture of ultrasonic disperse processing, and the ultrasonic frequency of ultrasonic disperse is 25KHz, rate of dispersion 7500r/
Min, jitter time 65min；
Bio-bacterial manure, trace element, calcium magnesium phosphate, silica gel embedding are added in S5, the mixture handled to step S4 ultrasonic disperses
Yeast thalline, Humic Acid Resin are uniformly mixed, and extruder grain in Squeezinggranulator is moved to after drying process, are dried, you can.
Embodiment 3：
The present embodiment acid soil heavy metal pollution ecological modifying agent is made of the raw material of following parts by weight：45 parts of pulverized limestone, boiling
35 parts of stone, 15 parts of lactobacillus plantarum, 12 parts of bio-bacterial manure, 10 parts of nano magnesia, 12 parts of blue algae powder, 19 parts of ardealite powder,
15 parts of calcium magnesium phosphate, 15 parts of silica gel embedding yeast thalline, 15 parts of calcium aluminate, 25 parts of gangue, 22 parts of Humic Acid Resin, wood powder
16 parts of shaped activated carbon, 23 parts of sodium base modified alta-mud；
Wherein, the preparation method of Humic Acid Resin is：Sulfonated humic acid sodium powder is broken, 160 mesh sieve is crossed, the sulfonation corruption after crushing is planted
Sour sodium presses 1 with phenolic resin, hydrochloric acid:2:1 mass ratio mixes, after mixing the crosslinking curing 5.8h at a temperature of 350 DEG C,
Agent is washed with deionized water to colourless, it is dry, be ground up, sieved, then by obtained Humic Acid Resin crude product in calcium acetate solution
Impregnate 7.5h, be filtered, washed, dry after to obtain the final product；
Silica gel embedding yeast thalline preparation method be：The progress of saccharomycete thalline is calcium alginate embedded, then utilize silica gel base
Matter is embedded calcium alginate-saccharomycete bacterium pearl by silica gel sol-gel method, and hi-sil is finally placed in soluble lemon
In lemon acid salt solution, silica gel embedding saccharomycete thalline is obtained, and saccharomycete thalline is Rhodotorula sp Pseudomonas；
The preparation method of the present embodiment acid soil heavy metal pollution ecological modifying agent, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, zeolite, gangue, wooden powdered activated carbon are mixed, is placed in Muffle furnace and calcines 2.5h in 520 DEG C, cooling, mill
Powder obtains mixed-powder A, spare；
S3, pulverized limestone, nano magnesia, blue algae powder, ardealite powder, calcium aluminate, sodium base modified alta-mud, plant ash are mixed
It closes, after dry and be put into blender and stir 30min, move it in crusher after stirring evenly and be uniformly crushed, obtained
Mixed powder B；
S4, the mixed powder B of mixed-powder A and S3 made from step S2 are mixed, the deionized water of the quality such as addition, ultrasound point
It dissipates, obtains the mixture of ultrasonic disperse processing, and the ultrasonic frequency of ultrasonic disperse is 20KHz, rate of dispersion 7300r/
Min, jitter time 60min；
Bio-bacterial manure, trace element, calcium magnesium phosphate, silica gel embedding are added in S5, the mixture handled to step S4 ultrasonic disperses
Yeast thalline, Humic Acid Resin are uniformly mixed, and extruder grain in Squeezinggranulator is moved to after drying process, are dried, you can.
Embodiment 4：
The present embodiment acid soil heavy metal pollution ecological modifying agent is made of the raw material of following parts by weight：40 parts of pulverized limestone, boiling
28 parts of stone, 12 parts of lactobacillus plantarum, 10 parts of bio-bacterial manure, 9 parts of nano magnesia, 9 parts of blue algae powder, 17 parts of ardealite powder, calcium
13 parts of magnesium-phosphorus fertilizer, 12 parts of silica gel embedding yeast thalline, 12 parts of calcium aluminate, 23 parts of gangue, 20 parts of Humic Acid Resin, wooden powdery
15 parts of activated carbon, 19 parts of sodium base modified alta-mud；
Wherein, the preparation method of Humic Acid Resin is：Sulfonated humic acid sodium powder is broken, 160 mesh sieve is crossed, the sulfonation corruption after crushing is planted
Sour sodium presses 1 with phenolic resin, hydrochloric acid:2:1 mass ratio mixes, after mixing the crosslinking curing 5.6h at a temperature of 350 DEG C,
Agent is washed with deionized water to colourless, it is dry, be ground up, sieved, then by obtained Humic Acid Resin crude product in calcium acetate solution
Impregnate 7.2h, be filtered, washed, dry after to obtain the final product；
Silica gel embedding yeast thalline preparation method be：The progress of saccharomycete thalline is calcium alginate embedded, then utilize silica gel base
Matter is embedded calcium alginate-saccharomycete bacterium pearl by silica gel sol-gel method, and hi-sil is finally placed in soluble lemon
In lemon acid salt solution, silica gel embedding saccharomycete thalline is obtained, and saccharomycete thalline is Rhodotorula sp Pseudomonas；
The preparation method of the present embodiment acid soil heavy metal pollution ecological modifying agent, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, zeolite, gangue, wooden powdered activated carbon are mixed, is placed in Muffle furnace and calcines 2.3h in 520 DEG C, cooling, mill
Powder obtains mixed-powder A, spare；
S3, pulverized limestone, nano magnesia, blue algae powder, ardealite powder, calcium aluminate, sodium base modified alta-mud, plant ash are mixed
It closes, after dry and be put into blender and stir 28min, move it in crusher after stirring evenly and be uniformly crushed, obtained
Mixed powder B；
S4, the mixed powder B of mixed-powder A and S3 made from step S2 are mixed, the deionized water of the quality such as addition, ultrasound point
It dissipates, obtains the mixture of ultrasonic disperse processing, and the ultrasonic frequency of ultrasonic disperse is 17KHz, rate of dispersion 7200r/
Min, jitter time 58min；
Bio-bacterial manure, trace element, calcium magnesium phosphate, silica gel embedding are added in S5, the mixture handled to step S4 ultrasonic disperses
Yeast thalline, Humic Acid Resin are uniformly mixed, and extruder grain in Squeezinggranulator is moved to after drying process, are dried, you can.
Embodiment 5：
The present embodiment acid soil heavy metal pollution ecological modifying agent is made of the raw material of following parts by weight：55 parts of pulverized limestone, boiling
40 parts of stone, 17 parts of lactobacillus plantarum, 14 parts of bio-bacterial manure, 13 parts of nano magnesia, 14 parts of blue algae powder, 21 parts of ardealite powder,
17 parts of calcium magnesium phosphate, 17 parts of silica gel embedding yeast thalline, 18 parts of calcium aluminate, 27 parts of gangue, 24 parts of Humic Acid Resin, wood powder
19 parts of shaped activated carbon, 26 parts of sodium base modified alta-mud；
Wherein, the preparation method of Humic Acid Resin is：Sulfonated humic acid sodium powder is broken, 160 mesh sieve is crossed, the sulfonation corruption after crushing is planted
Sour sodium presses 1 with phenolic resin, hydrochloric acid:2:1 mass ratio mixes, after mixing the crosslinking curing 5.9h at a temperature of 350 DEG C,
Agent is washed with deionized water to colourless, it is dry, be ground up, sieved, then by obtained Humic Acid Resin crude product in calcium acetate solution
Impregnate 7.7h, be filtered, washed, dry after to obtain the final product；
Silica gel embedding yeast thalline preparation method be：The progress of saccharomycete thalline is calcium alginate embedded, then utilize silica gel base
Matter is embedded calcium alginate-saccharomycete bacterium pearl by silica gel sol-gel method, and hi-sil is finally placed in soluble lemon
In lemon acid salt solution, silica gel embedding saccharomycete thalline is obtained, and saccharomycete thalline is Rhodotorula sp Pseudomonas；
The preparation method of the present embodiment acid soil heavy metal pollution ecological modifying agent, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, zeolite, gangue, wooden powdered activated carbon are mixed, is placed in Muffle furnace and calcines 2.7h in 540 DEG C, cooling, mill
Powder obtains mixed-powder A, spare；
S3, pulverized limestone, nano magnesia, blue algae powder, ardealite powder, calcium aluminate, sodium base modified alta-mud, plant ash are mixed
It closes, after dry and be put into blender and stir 33min, move it in crusher after stirring evenly and be uniformly crushed, obtained
Mixed powder B；
S4, the mixed powder B of mixed-powder A and S3 made from step S2 are mixed, the deionized water of the quality such as addition, ultrasound point
It dissipates, obtains the mixture of ultrasonic disperse processing, and the ultrasonic frequency of ultrasonic disperse is 23KHz, rate of dispersion 7400r/
Min, jitter time 63min；
Bio-bacterial manure, trace element, calcium magnesium phosphate, silica gel embedding are added in S5, the mixture handled to step S4 ultrasonic disperses
Yeast thalline, Humic Acid Resin are uniformly mixed, and extruder grain in Squeezinggranulator is moved to after drying process, are dried, you can.
Acid soil heavy metal pollution ecological modifying agent application effect experiment prepared by embodiment 1-5.
1, test site：The Anhui Province towns Fuyang City Zhan Gou.
2, test period：In May, -2017 in October, 2016.
3, field experimental design：Selection size is close, and the field that water system is independent of each other is tested.Experiment sets 6 processing,
Respectively：(1) comparative example 1：Uncontaminated wheatland, does not deal with measure；(2) comparative example 2：Wheatland is polluted, measure is not dealt with；
(3) 5 plots of pollution wheatlands are chosen, 10 days before wheat cultivation, wheatland is polluted at 5 pieces and applies improvement prepared by embodiment 1-5 respectively
150kg/ mus of agent.Each test process presses the normal cultivation management of local wheat planting.After harvesting wheat, wheat yield, soil are measured
The effective cadmium content of pH, soil, wheat cadmium content.
4, test result is shown in Table 1.
Improved effect of the different modifying agents of table 1 to soil and wheat
By 1 experimental result of table it is found that modifying agent provided by the invention can effectively improve soil pH value, while reduce in soil
Cadmium content in effective cadmium content and the crop wheat of harvest, and it is effectively improved the per mu yield of the crop wheat of plantation.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although ginseng
According to previous embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be with
Technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；And
These modifications or replacements, the spirit and model of various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (9)
1. a kind of acid soil heavy metal pollution ecological modifying agent, which is characterized in that the acid soil heavy metal pollution ecology
Modifying agent is made of the raw material of following parts by weight：30-60 parts of pulverized limestone, 20-50 parts of zeolite, 10-20 parts of lactobacillus plantarum, biology
8-16 parts of bacterial manure, 5-15 parts of nano magnesia, 6-17 parts of blue algae powder, 12-25 parts of ardealite powder, 10-20 parts of calcium magnesium phosphate, silicon
Glue embeds 10-20 parts of yeast thalline, 10-20 parts of calcium aluminate, 20-30 parts of gangue, 16-28 parts of Humic Acid Resin, wooden powdery
10-22 parts of activated carbon, 15-30 parts of sodium base modified alta-mud.
2. acid soil heavy metal pollution ecological modifying agent according to claim 1, which is characterized in that the acid soil
Heavy metal pollution ecological modifying agent is made of the raw material of following parts by weight：40-55 parts of pulverized limestone, 28-40 parts of zeolite, plant breast bar
12-17 parts of bacterium, 10-14 parts of bio-bacterial manure, 9-13 parts of nano magnesia, 9-14 parts of blue algae powder, 17-21 parts of ardealite powder, calcium
13-17 parts of magnesium-phosphorus fertilizer, 12-17 parts of yeast thalline of silica gel embedding, 12-18 parts of calcium aluminate, 23-27 parts of gangue, Humic Acid Resin
20-24 parts, powdered activated carbon 15-19 parts wooden, 19-26 parts of sodium base modified alta-mud.
3. acid soil heavy metal pollution ecological modifying agent according to claim 1, which is characterized in that the acid soil
Heavy metal pollution ecological modifying agent is made of the raw material of following parts by weight：45 parts of pulverized limestone, 35 parts of zeolite, lactobacillus plantarum 15
Part, 12 parts of bio-bacterial manure, 10 parts of nano magnesia, 12 parts of blue algae powder, 19 parts of ardealite powder, 15 parts of calcium magnesium phosphate, silica gel packet
15 parts of yeast thalline, 15 parts of calcium aluminate, 25 parts of gangue, 22 parts of Humic Acid Resin, 16 parts of wooden powdered activated carbon, sodium base is buried to change
23 parts of bentonite of property.
4. acid soil heavy metal pollution ecological modifying agent according to claim 1, which is characterized in that the humic acid tree
The preparation method of fat is：Sulfonated humic acid sodium powder is broken, 160 mesh sieve is crossed, the sulfonated humic acid sodium after crushing and phenolic resin, salt
Acid presses 1:2:1 mass ratio mixing, the crosslinking curing 5.5-6h at a temperature of 350 DEG C, is washed with deionized water agent after mixing
Extremely colourless, drying is ground up, sieved, and obtained Humic Acid Resin crude product is then impregnated 7-8h in calcium acetate solution, filter,
After washing, drying to obtain the final product.
5. acid soil heavy metal pollution ecological modifying agent according to claim 1, which is characterized in that the silica gel embedding
The preparation method of yeast thalline is：The progress of saccharomycete thalline is calcium alginate embedded, then utilize silica matrix molten by silica gel
Glue-gel method embeds calcium alginate-saccharomycete bacterium pearl, and hi-sil is finally placed in soluble citrate solution
In, silica gel embedding saccharomycete thalline is obtained, the saccharomycete thalline is Rhodotorula sp Pseudomonas.
6. acid soil heavy metal pollution ecological modifying agent according to claim 1, it is characterised in that：The phosphogypsum powder
The grain size at end is 120-160 mesh.
7. acid soil heavy metal pollution ecological modifying agent according to claim 1, it is characterised in that：The plant ash is
The residual solids generated after the burning of at least one of maize straw, wheat stalk, straw, peanut shell.
8. a kind of preparation method of the acid soil heavy metal pollution ecological modifying agent as described in claim 1-7 is any, feature
It is, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, zeolite, gangue, wooden powdered activated carbon are mixed, is placed in Muffle furnace and calcines 2-3h in 500-550 DEG C, it is cooling,
Milling obtains mixed-powder A, spare；
S3, pulverized limestone, nano magnesia, blue algae powder, ardealite powder, calcium aluminate, sodium base modified alta-mud, plant ash are mixed
It closes, after dry and be put into blender and stir 25-35min, move it in crusher after stirring evenly and be uniformly crushed, obtained
To mixed powder B；
S4, the mixed powder B of mixed-powder A and S3 made from step S2 are mixed, the deionized water of the quality such as addition, ultrasound point
It dissipates, obtains the mixture of ultrasonic disperse processing；
Bio-bacterial manure, trace element, calcium magnesium phosphate, silica gel embedding are added in S5, the mixture handled to step S4 ultrasonic disperses
Yeast thalline, Humic Acid Resin are uniformly mixed, and extruder grain in Squeezinggranulator is moved to after drying process, are dried, you can.
9. preparation method according to claim 8, it is characterised in that：The ultrasonic frequency of ultrasonic disperse described in step S4 is
15-25KHz, rate of dispersion 7000-7500r/min, jitter time 55-65min.
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| CN110028974A (en) * | 2019-05-09 | 2019-07-19 | 湖南联和环保科技有限公司 | A kind of heavy metal cadmium soil remediation passivator, preparation method and applications |
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| CN113444529A (en) * | 2021-07-21 | 2021-09-28 | 广州新农科肥业科技有限公司 | Soil conditioner for treating heavy metal pollution of cultivated land and preparation method thereof |
| CN113800973A (en) * | 2021-09-27 | 2021-12-17 | 浙江益壤环保科技有限公司 | Soil conditioner suitable for acidic farmland and preparation method thereof |
| CN117623824A (en) * | 2023-11-30 | 2024-03-01 | 新洋丰农业科技股份有限公司 | Novel multi-effect biological organic-inorganic fertilizer for stress root promotion and preparation method thereof |
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Application publication date: 20180731 |