CN107267150A - Attapulgite-based inorganic mineral soil conditioner and preparation method thereof - Google Patents
Attapulgite-based inorganic mineral soil conditioner and preparation method thereof Download PDFInfo
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- CN107267150A CN107267150A CN201710470179.0A CN201710470179A CN107267150A CN 107267150 A CN107267150 A CN 107267150A CN 201710470179 A CN201710470179 A CN 201710470179A CN 107267150 A CN107267150 A CN 107267150A
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- convex rod
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 26
- 239000003516 soil conditioner Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229960000892 attapulgite Drugs 0.000 title abstract 5
- 229910052625 palygorskite Inorganic materials 0.000 title abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 13
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 28
- 239000012634 fragment Substances 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 18
- 239000000292 calcium oxide Substances 0.000 claims description 15
- 235000012255 calcium oxide Nutrition 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 241000276489 Merlangius merlangus Species 0.000 claims description 4
- 235000019752 Wheat Middilings Nutrition 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 41
- 239000002253 acid Substances 0.000 abstract description 6
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000035558 fertility Effects 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 4
- 230000000813 microbial effect Effects 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000012216 screening Methods 0.000 abstract description 2
- 239000002881 soil fertilizer Substances 0.000 abstract description 2
- 239000003802 soil pollutant Substances 0.000 abstract description 2
- 239000002957 persistent organic pollutant Substances 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 231100000331 toxic Toxicity 0.000 abstract 1
- 230000002588 toxic effect Effects 0.000 abstract 1
- 239000011651 chromium Substances 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000012271 agricultural production Methods 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- -1 metals ion Chemical class 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000002367 phosphate rock Substances 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 150000001399 aluminium compounds Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
- C09K17/06—Calcium compounds, e.g. lime
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention belongs to the technical field of soil fertilizers, and particularly relates to an attapulgite-based inorganic mineral soil conditioner and a preparation method thereof. The attapulgite-based inorganic mineral soil conditioner is prepared by crushing, screening, cleaning, drying and granulating raw attapulgite. The attapulgite has the characteristics of large specific surface area and high porosity, greatly improves the activity and the adsorption performance, can adsorb organic pollutants and toxic and harmful heavy metals, reduces the biotoxicity and the mobility of soil pollutants, and reduces the bioavailability of the heavy metals. The invention not only can break soil hardening, loosen soil, improve soil permeability, reduce soil volume weight, promote soil microbial activity, enhance soil fertility permeability, but also can improve acid soil pH, preserve water and resist drought, enhance crop antibacterial ability and improve crop yield.
Description
Technical field
The invention belongs to technical field of soil fertilizer, and in particular to a kind of concave convex rod base inorganic mineral soil conditioner and its system
Preparation Method, the soil conditioner is used for improved soil.
Background technology
China is a large agricultural country, only possesses the arable land in the world 10%, but has consumed the chemical fertilizer in the world 30%.China
The many volume increase for promoting crops with inorganic fertilizer of agricultural, long-term substantial amounts of administration chemical fertilizer solving the number of grain
While amount problem, increase income, the structure of soil is destroyed, serious soil acidification is brought, hardened, particularly pair
Land deterioration area, initial soil fertility basis is poor, will cause that soil is more hardened, chemical fertilizer utilization ratio is reduced, and makes soil nutrient
Disequilibrium, fertility decline.
Soil acidification brings the influence of following several respects to agricultural production and human lives, and one is that acidifying can accelerate soil salt
Base ion (Ca2+、Mg2+、K+、Na+And NH4+) leaching loss so that cause the loss of soil nutrient pool, soil physical property deteriorate,
Cause soil nutrient barren and reduce crop product quality；Two be the primary and secondary mineral weathering acceleration containing aluminium, shape in soil
Into the aluminium compound of plant available form.Plant excessive consumption aluminium, causes yield reduction, quality decline, diseases and insect pests resistance
Reduction, results even in crop aluminium and poisons with poison and die；Three be influence soil microbial activity, reduces soil microbe quantity, micro- life
The growth and activity of thing are suppressed, so as to influence the decomposition of the soil organism and the circulation of C, N, P, S in soil；Four be this
Outside,.Soil also causes the activity increase of some heavy metal elements while its acidity is improved, and this is due to that manganese, chromium, cadmium etc. have
The solubility rise under low pH value of noxious metals ion is caused.
The method of traditional improved soil acidifying is liming.Although liming alleviates the acid of soil within the specific limits
Change degree, but because mobility of the lime in soil be not high, long-term, excessive liming can cause the hardened of topsoil,
Available nutrient it is excessive by calcification, it is impossible to be absorbed by crops, cause the unbalance of nutrient.
It has also been found that also can improved soil acidity, such as dolomite, ardealite, powder using some mineral and trade waste
The mineral such as coal ash, ground phosphate rock and alkaline residue and trade waste.Although more than modifying agent can to a certain extent sweetening of the soil acid
Degree, raw material is also more sufficient, but there is also in place of some shortcomings, the mineral resources of preciousness need to be such as consumed using dolomite, also can
Increase the cost of agricultural production；Most of trade wastes contain in a certain amount of poisoning metal element, such as ardealite, ground phosphate rock
Containing a small amount of lead (Pb), cadmium (Cd), mercury (Hg), arsenic (As), chromium (Cr), also contain a small amount of lead (Pb), cadmium in flyash
(Cd), arsenic (As), chromium (Cr).
The content of the invention
The purpose of the present invention be overcome in the prior art weak point there is provided one kind have operating condition simple, investment and
Low concave convex rod base inorganic mineral soil conditioner of operating cost and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of concave convex rod base inorganic mineral soil conditioner, compares composition by following weight：8-12 parts of concave convex rod, shell fragment
4-8 parts, 0.4-0.6 parts of quick lime.
Composition is compared by following weight：10 parts of concave convex rod, 6 parts of shell fragment, 0.5 part of quick lime.
A kind of preparation method of concave convex rod base inorganic mineral soil conditioner, comprises the following steps：
A, concave convex rod pretreatment
Concave convex rod ore deposit is broken for particle, concave convex rod ore deposit particle toasts 1-3h at a temperature of 200-300 DEG C, carries out separating twice simultaneously
Cross 10-100 mesh sieves；
B, shell smashing processing
Removing shell surface debris is cleaned with clear water, is dried at 100-120 DEG C, shell fragment is beaten into after drying；
C, mix
Concave convex rod powder, shell powder and quick lime are mixed to prepare mix.
Concave convex rod ore deposit is broken for particle in the step A, concave convex rod ore deposit particle toasts 2h at a temperature of 300 DEG C, carried out
Separating twice simultaneously crosses 50 mesh sieves.
Removing shell surface debris is cleaned in the step B with clear water, is dried at 105 DEG C, shell is beaten into after drying
Fragment.
Removing shell surface debris is cleaned in the step B with clear water, is dried at 105 DEG C, disintegrating machine powder is used after drying
Essence crosses 100 mesh sieves standby into shell powder.
Shell fragment and shell powder are mixed into shell powder in the step B.
Beneficial effects of the present invention are：
1st, concave convex rod base inorganic mineral soil conditioner is that concave convex rod raw ore is made through broken, screening, cleaning, drying, granulation.
Concave convex rod concave convex rod has the characteristics of specific surface area is big, porosity is high, and its activity and absorption property are obtained for larger raising,
Adsorbable organic pollution and poisonous and harmful heavy metallic, reduce the bio-toxicity and migration of soil pollutant, reduce heavy metal
Bioavailability.
2nd, shell is adjusted for acid soil, can effectively lift soil pH, and oyster shell whiting has to heavy metal in soil
Passivation, there is good repair to acid heavy metal contaminated soil.
3rd, shell fragment and shell powder are mixed into shell powder, and shell powder plays lifting lifting soil pH and passivation weight
The effect of metal, shell fragment has differential of the arc shape to form independent support in local space, and improve the gas permeability of soil effectively prevents simultaneously
It is hardened.
The present invention can not only break soil hardening, chesson, improve the gas permeability of soil, reduction soil appearance in summary
Weight, promotes soil microbial activities, enhancing soil fertility penetration, moreover it is possible to improve acid soil pH, and water conservation drought resisting strengthens farming
Thing antibacterial ability, improves crop yield.
Embodiment
A kind of concave convex rod base inorganic mineral soil conditioner, compares composition by following weight：8-12 parts of concave convex rod, shell
4-8 parts of fragment, 0.4-0.6 parts of quick lime.
It is preferred that composition is compared by following weight：10 parts of concave convex rod, 6 parts of shell fragment, 0.5 part of quick lime.
A kind of preparation method of concave convex rod base inorganic mineral soil conditioner, comprises the following steps：
A, concave convex rod pretreatment
Concave convex rod ore deposit is broken for particle, concave convex rod ore deposit particle toasts 1-3h at a temperature of 200-300 DEG C, carries out separating twice simultaneously
Cross 10-100 mesh sieves；
B, shell smashing processing
Removing shell surface debris is cleaned with clear water, is dried at 100-120 DEG C, shell fragment is beaten into after drying；
C, mix
Concave convex rod powder, shell fragment and quick lime are mixed to prepare mix.
Concave convex rod ore deposit is broken for particle in the step A, concave convex rod ore deposit particle toasts 2h at a temperature of 300 DEG C, carried out
Separating twice simultaneously crosses 50 mesh sieves.
Removing shell surface debris is cleaned in the step B with clear water, is dried at 105 DEG C, shell is beaten into after drying
Fragment.
Removing shell surface debris is cleaned in the step B with clear water, is dried at 105 DEG C, disintegrating machine powder is used after drying
Essence crosses 100 mesh sieves standby into shell powder.
Shell fragment and shell powder are mixed into shell powder in the step B.
Embodiment 1
A kind of preparation method of concave convex rod base inorganic mineral soil conditioner, comprises the following steps：
A, concave convex rod pretreatment
Concave convex rod ore deposit is broken for particle, concave convex rod ore deposit particle toasts 1h at a temperature of 200 DEG C, carries out separating twice and cross 10 mesh
Sieve；
B, shell smashing processing
Removing shell surface debris is cleaned with clear water, is dried at 100 DEG C, shell fragment is beaten into after drying；
C, mix
Concave convex rod powder, shell fragment and quick lime are mixed to prepare mix, compare composition by following weight：Concave convex rod 8
Part, 4 parts of shell fragment, 0.4 part of quick lime.
Embodiment 2
A kind of preparation method of concave convex rod base inorganic mineral soil conditioner, comprises the following steps：
A, concave convex rod pretreatment
Concave convex rod ore deposit is broken for particle, concave convex rod ore deposit particle toasts 3h at a temperature of 300 DEG C, carries out separating twice and excessively 100
Mesh sieve；
B, shell smashing processing
Removing shell surface debris is cleaned with clear water, is dried at 120 DEG C, shell fragment is beaten into after drying；
C, mix
Concave convex rod powder, shell fragment and quick lime are mixed to prepare mix, compare composition by following weight：Concave convex rod 12
Part, 8 parts of shell fragment, 0.6 part of quick lime.
Embodiment 3
A kind of preparation method of concave convex rod base inorganic mineral soil conditioner, comprises the following steps：
A, concave convex rod pretreatment
Concave convex rod ore deposit is broken for particle, concave convex rod ore deposit particle toasts 2h at a temperature of 300 DEG C, carries out separating twice and cross 50 mesh
Sieve；
B, shell smashing processing
Removing shell surface debris is cleaned with clear water, is dried at 105 DEG C, shell fragment is beaten into after drying；Take part shell
Fragment smashes into shell powder with disintegrating machine, and 100 mesh sieves excessively are standby, and shell fragment and shell powder are mixed into shell powder；
C, mix
Concave convex rod powder, shell powder and quick lime are mixed to prepare mix, compare composition by following weight：Concave convex rod 10
Part, 6 parts of shell powder, 0.5 part of quick lime.
Contrast test
4 pieces of ecological region planting rapes are separated out on same plot, 40 seeds are sowed in every piece of region, and 4 pieces of regions use identical fertilizer
Material and water are cultivated, wherein 3 pieces of regions apply embodiment 1-3 concave convex rod base inorganic mineral soil conditioner, by following table
It can be seen that using embodiment 1-3 rape growing way be significantly better than traditional cultivation method, while embodiment 3 apply optimization formula and
The better of shell powder is highlighted.
Claims (7)
1. a kind of concave convex rod base inorganic mineral soil conditioner, it is characterised in that composition is compared by following weight：Concave convex rod 8-
12 parts, 4-8 parts of shell powder, 0.4-0.6 parts of quick lime.
2. a kind of concave convex rod base inorganic mineral soil conditioner according to claim 1, it is characterised in that by following weight
Compare composition：10 parts of concave convex rod, 6 parts of oyster shell whiting, 0.5 part of quick lime.
3. a kind of preparation method of concave convex rod base inorganic mineral soil conditioner according to claim 1 or 2, its feature exists
In comprising the following steps：
A, concave convex rod pretreatment
Concave convex rod ore deposit is broken for particle, concave convex rod ore deposit particle toasts 1-3h at a temperature of 200-300 DEG C, carries out separating twice simultaneously
Cross 10-100 mesh sieves；
B, mix
Concave convex rod powder, oyster shell whiting and quick lime are mixed to prepare mix.
4. a kind of concave convex rod base inorganic mineral soil conditioner according to claim 3 and preparation method thereof, its feature exists
Concave convex rod ore deposit is broken for particle in the step A, concave convex rod ore deposit particle toasts 2h at a temperature of 300 DEG C, carries out two wheat-middlings
Broken and 50 mesh sieves excessively.
5. a kind of concave convex rod base inorganic mineral soil conditioner according to claim 3 and preparation method thereof, its feature exists
Removing shell surface debris is cleaned with clear water in the step B, is dried at 105 DEG C, shell fragment is beaten into after drying.
6. a kind of concave convex rod base inorganic mineral soil conditioner according to claim 5 and preparation method thereof, its feature exists
Removing shell surface debris is cleaned with clear water in the step B, is dried at 105 DEG C, disintegrating machine is used after drying into oyster shell whiting
End, crosses 100 mesh sieves standby.
7. a kind of concave convex rod base inorganic mineral soil conditioner according to claim 6 and preparation method thereof, its feature exists
Shell fragment and shell powder are mixed into shell powder in the step B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470179.0A CN107267150A (en) | 2017-06-20 | 2017-06-20 | Attapulgite-based inorganic mineral soil conditioner and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710470179.0A CN107267150A (en) | 2017-06-20 | 2017-06-20 | Attapulgite-based inorganic mineral soil conditioner and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107267150A true CN107267150A (en) | 2017-10-20 |
Family
ID=60067878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710470179.0A Pending CN107267150A (en) | 2017-06-20 | 2017-06-20 | Attapulgite-based inorganic mineral soil conditioner and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107267150A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926839A (en) * | 2021-12-14 | 2022-01-14 | 江苏元道环境安全科技有限公司 | Conveying device for heavy metal contaminated soil remediation and working method thereof |
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| CN103910554A (en) * | 2014-04-15 | 2014-07-09 | 淮阴师范学院 | Organic calcium fertilizer suitable for acidized soil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113926839A (en) * | 2021-12-14 | 2022-01-14 | 江苏元道环境安全科技有限公司 | Conveying device for heavy metal contaminated soil remediation and working method thereof |
| CN113926839B (en) * | 2021-12-14 | 2022-03-11 | 江苏元道环境安全科技有限公司 | Conveying device for heavy metal contaminated soil remediation and working method thereof |
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Application publication date: 20171020 |