CN108587632A - A kind of shell waste soil conditioner and the preparation method and application thereof - Google Patents
A kind of shell waste soil conditioner and the preparation method and application thereof Download PDFInfo
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- CN108587632A CN108587632A CN201810649803.8A CN201810649803A CN108587632A CN 108587632 A CN108587632 A CN 108587632A CN 201810649803 A CN201810649803 A CN 201810649803A CN 108587632 A CN108587632 A CN 108587632A
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- 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
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- 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
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- 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
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- 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
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention belongs to technical field of land improvement, and in particular to a kind of shell waste soil conditioner and preparation method thereof.The present invention will be ground after the washing drying of shell waste, obtain oyster shell whiting, corncob hydrolytic residue is reacted by low-temperature hydrothermal and prepares hydro-thermal coke, then it is carbonized to obtain activated carbon in nitrogen environment high temperature, active powdered carbon is obtained after grinding, ardealite and flue gas desulfurization waste are ground respectively and obtain phosphogypsum powder and flue gas desulfurization waste powder, finally by oyster shell whiting, active powdered carbon, phosphogypsum powder and flue gas desulfurization waste powder mixing granulation, obtains shell waste soil conditioner.The present invention makes full use of agriculture and industry waste as soil conditioner raw material, environmental protection of low cost；The soil conditioner being prepared is remarkably improved the pH value of soil, improves soil hardening problem, increases the calcium-magnesium content of soil.
Description
Technical field
The invention belongs to technical field of land improvement, and in particular to a kind of shell waste soil conditioner and its preparation side
Method and application.
Background technology
Currently, the area of China's soil pollution is increasing, the reason of being formed, mainly has：The dirt of Sewage Irrigation on Soil
Dye；Pollution of the atmosphere pollution to soil；Pollution of the unreasonable fertilizer application to soil；Influence and solid of the pesticide to soil are useless
Pollution of the object to soil.Especially soils in south china acidizing degree is serious, influences the normal growth of crops.Soil acidification is mainly former
Because there is following three points：1, precipitation is big and concentrates, and eluviation is strong, and the alkalinity alkali such as calcium, magnesium, potassium is largely lost, and is to make
At the basic reason of soil acidification.For example, acid rain etc..2, the traditional agricultures measure such as liming, the excrement that makes a fire, organic fertilizer is scarce
It loses, arable soil nutrient imbalance.3, long-term a large amount of unreasonable using chemical fertilizer.
The harm of soil acidification mainly has：Soil acidification seriously affects activity biological in soil, changes nutrient in soil
Form, reduce nutrient availability, promote free manganese, aluminium ion to dissolve in the soil liquid, to crop generate toxic action；
Soil acidification inhibits root system development；Soil acidification can aggravate soil hardening, keep root system stretching, extension difficult, and rooting ability is weak, and slow seedling is difficult,
It is easy to form grown-ups and children tree, old runt seedling.Soil acidification aggravates the use of pesticide：Plant growing way weakens in acidified soil, disease resistance
It reduces, easily by disease infestation, it has to increase formulation rate.In today that modern agriculture rapidly develops, excessively relied on due to long-term
The effect of increasing production of chemical fertilizer and ignore organic fertilizer, it is especially excessive to apply chemical fertilizer and use ratio is lacked of proper care so that in agricultural system
Portion's structure is destroyed, and farming operation layer soil organic matter content declines, and crumb structure is destroyed and reduced, under storing water and preserving fertility ability
Drop, fertilizer efficiency reduce.
To maintain soil nutrient to be unlikely to exhausted, it is still necessary to apply soil to dyskinetic soil on the basis of reasonable employment fertilizer
Earth modifying agent, physics, chemistry and biological property for improveing soil make its crop growth preferably.Soil conditioner is
It is primary raw material by agricultural water-loss reducer and the natural plants residuum rich in organic matter or other organic matters, is aided with bioactive ingredients
And nutrient composition, the product being process through scientific technology, there is highly significant " water conservation getting fat, breathes freely, improves the soil " four big
Soil conditioning performance.Soil hardening, chesson can be broken, the gas permeability of soil is improved, reduce the soil weight, promote soil micro-
Bioactivity, enhancing soil rich water penetration；Water conservation drought resisting, enhancing disease-resistant crops ability are improved, crop yield is improved, changes
Kind quality of agricultural product, restores the functions such as crops original ecological.Complete nuisanceless, pollution-free, inanimate object hormone.
Shellfish culture is an industry of rapid growth in global range, however the shell for accounting for shellfish weight one third is big
It is discarded, neighbouring marine site or seabeach are accumulated or be poured onto to so many waste shell, can cause serious environmental pollution more.Mesh
Before, the attention of more and more researchers is obtained to agriculture and forestry organic waste material recycling, extends the recycling of shell waste
Approach becomes urgent problem to be solved.
Invention content
The object of the present invention is to provide a kind of shell waste soil conditioners and the preparation method and application thereof.Shell is given up
It is ground after gurry washing is dry, obtains oyster shell whiting, corncob hydrolytic residue is reacted by low-temperature hydrothermal and prepares hydro-thermal coke, so
It is carbonized to obtain activated carbon in nitrogen environment high temperature afterwards, active powdered carbon is obtained after grinding, by ardealite and flue gas desulfurization waste
Grinding obtains phosphogypsum powder and flue gas desulfurization waste powder respectively, finally by oyster shell whiting, active powdered carbon, phosphogypsum powder and flue gas
Desulfuration waste powder mixing granulation obtains shell waste soil conditioner.The soil conditioner makes full use of shell discarded
In the by-product ardealite and flue gas desulfurization technique in waste residue, production process of phosphoric acid in object, corncob hydrolytic process
Desulfuration waste；The porous structure of oyster shell whiting makes it have higher specific surface area and porosity and then makes raw material mixing dispersion
More uniformly, the calcium carbonate content of oyster shell whiting is higher, the amino acid that can increase soil calcium content, while contain in oyster shell whiting and more
Glucide can enrich ASI systematic approach, in addition, the addition of oyster shell whiting solves aluminium in flyash, heavy metal element and radiation
Pollution problem of the property element to soil, the activated carbon specific surface area that corncob hydrolytic residue is prepared are up to 2000m2/ g, tool
Standby stronger absorption property.The present invention makes full use of agriculture and industry waste as soil conditioner raw material, environmental protection of low cost；
The soil conditioner being prepared is remarkably improved the pH value of soil, improves soil hardening problem, increases the calcium-magnesium content of soil.
The technical scheme is that：
A kind of preparation method of shell waste soil conditioner, includes the following steps：
(1) shell waste is washed to remove impurity and drying, then grinds, obtains oyster shell whiting；
(2) corncob hydrolytic residue progress hydro-thermal reaction is obtained into hydro-thermal coke, is then carbonized, obtains under a nitrogen atmosphere
Activated carbon, grinding prepare active powdered carbon；
(3) it is sieved after grinding ardealite and flue gas desulfurization waste respectively, obtains phosphogypsum powder and flue gas desulfurization is discarded
Object powder；
(4) oyster shell whiting, active powdered carbon, phosphogypsum powder, flue gas desulfurization waste powder and water-retaining agent are mixed, after stirring evenly
It is granulated to get to shell waste soil conditioner.
Preferably, hydro-thermal reaction method is in step (2)：Corncob hydrolytic residue is added in deionized water, at 200 DEG C
1~2h is kept the temperature under the conditions of~250 DEG C, and residue after reaction is washed with deionized, is dried, hydro-thermal coke is obtained.
Preferably, in step (2) under a nitrogen atmosphere carburizing temperature be 380 DEG C~420 DEG C, carbonization time be 50min~
80min。
Preferably, the ratio of each component is in step (4)：60~80 parts by weight of oyster shell whiting, 10~14 weight of active powdered carbon
Part, 5~8 parts by weight of phosphogypsum powder, 8~12 parts by weight of flue gas desulfurization waste powder, 1.5~2.5 parts by weight of water-retaining agent.
Preferably, the water-retaining agent is polyacrylamide, Sodium Polyacrylate, polyacrylic acid potassium, ammonium polyacrylate, starch connect
At least one of branch acrylates, humic acid.
Preferably, mixing speed is 1000r/min~1500r/min in step (4), and mixing time is 3h~5h.
The shell waste soil conditioner that the above method is prepared.
Above-mentioned shell waste soil conditioner is in acidification, hardened, heavy metal pollution proportion of crop planting soil remediation
Application.
The principle of the invention is：
Powder produces biology with the consumption of traditional fossil fuel and growing problem of environmental pollution, using agriculture and forestry organic waste material
Fuel causes more and more concerns, wherein there is hydrothermal carbonization higher conversion ratio, lower operation temperature can generate more
More liquid compositions.Wherein hydro-thermal process biomass such as corncob will produce a large amount of solid by-product such as corncob water
Residue is solved, now, the liquid product that hydro-thermal reaction generates more and more is paid attention to, and the equally hydrolysis with utility value
Residue such as corncob hydrolytic residue but lacks concern.The present invention prepares hydro-thermal coke using corncob hydrolytic residue by hydro-thermal reaction
The further carbonization of charcoal prepares activated carbon, since it is with higher specific surface area, has stronger absorption property, can be used as soil
The active ingredient of modifying agent.
Shell surface rough porous, general aperture is between 2um~10um, large specific surface area, has good adsorptivity,
The main component of shell is calcium carbonate, in addition also have some organic substances and and other trace element, as nitrogen, sulphur, phosphorus, potassium,
Magnesium etc. is dissolved in the pH after water between 8.8~9.1, therefore shell waste is remarkably improved the pH value of soil.Shell in addition to
Main composition-calcium carbonate also contains amino acid and polysaccharose substance, since it contains the trace elements such as nitrogen, sulphur, phosphorus, potassium, magnesium, no
Soil calcium-magnesium content only can be improved, can also enrich soil nutrient, increase soil fertility.Using shell waste as soil conditioner
Raw material, not only can be improved the pH value of soil, precipitate the heavy metal ion in soil, can also increase nitrogen in soil, sulphur, phosphorus, potassium,
Content of magnesium, and then increase fertilizer efficiency.
Ardealite is the byproduct for producing phosphoric acid, is mostly made of calcium sulphate dihydrate, mainly brilliant with acicular crystal, plate
4 kinds of body, closely knit crystal, polycrystalline core crystal crystal forms exist.In flue gas desulfurization technique, wet method limestone-gypsum method application
The most extensively, a large amount of desulfuration waste will produce using this technique, ingredient is also calcium sulphate dihydrate crystal.As soil
Modifying agent, the calcium sulfate in ardealite and flue gas desulfurization waste can be acted on the sodium carbonate in soil, with the calcium in ardealite
Replace the sodium in soil.Sodium sulphate is soluble easily in water, is eliminated with water by irrigating, while increasing soil calcium ion colloid, promotes soil
Earth consolidates the formation of aggressiveness, can eliminate upper soll layer hard shell, reduces soil stickiness, friable soil.
Beneficial effects of the present invention are as follows：
The present invention calcines shell waste to react with low concentration acid progress low-temperature hydrothermal, after then drying residual washing-out
Grinding, obtains oyster shell whiting, and corncob hydrolytic residue is reacted by low-temperature hydrothermal and prepares hydro-thermal coke, then in nitrogen environment
High temperature cabonization obtains activated carbon, and active powdered carbon is obtained after grinding, and shellfish ardealite and flue gas desulfurization waste are ground respectively and obtained
Phosphogypsum powder and flue gas desulfurization waste powder, finally by oyster shell whiting, active powdered carbon, phosphogypsum powder and flue gas desulfurization waste powder
Last mixing granulation obtains shell waste soil conditioner.After shell powder, flyash, ardealite and flue gas desulfurization waste mixing
Inorganic acid aqueous solution is added and carries out low-temperature hydrothermal reaction, water-retaining agent is then added and obtains shell waste soil conditioner.The soil
Earth modifying agent makes full use of the waste coal ash corncob hydrolytic process generated in shell waste, coal plant's production process
In waste residue, the desulfuration waste in by-product ardealite and flue gas desulfurization technique in production process of phosphoric acid；By shellfish
Shell waste carries out low-temperature hydrothermal reaction after calcining and grinding, further increases its specific surface area and porosity and makes original in turn
Material mixing is more uniform；, while the addition of oyster shell whiting solves aluminium in flyash, heavy metal element and radioactive element to soil
Pollution problem, the activated carbon specific surface area that corncob hydrolytic residue is prepared is up to 2000m2/ g has stronger absorption
Performance.The present invention makes full use of agriculture and industry waste as soil conditioner raw material, environmental protection of low cost；The soil being prepared
Earth modifying agent is remarkably improved the pH value of soil, improves soil hardening problem, increases the calcium content of soil.
Specific implementation mode
With reference to embodiment, technical scheme of the present invention is described in further detail, but do not constituted pair
Any restrictions of the present invention.
Embodiment 1
A kind of preparation method of shell waste soil conditioner, includes the following steps：
(1) shell waste is washed to remove impurity, 200 mesh sieve is then crossed after 80 DEG C of dry 1h, grindings, is obtained
Oyster shell whiting；
(2) corncob hydrolytic residue is added in deionized water, 1.5h is kept the temperature under the conditions of 220 DEG C, by residue after reaction
It is washed with deionized, 100 DEG C of dry 1h, obtains hydro-thermal coke, be then warming up to 400 DEG C of carbonization 1h under a nitrogen atmosphere, obtain
200 mesh sieve is crossed to activated carbon, after grinding, prepares active powdered carbon；
(3) 200 mesh sieve sieve is crossed after grinding ardealite and flue gas desulfurization waste respectively, obtains phosphogypsum powder and flue gas is de-
Sulphur waste powder；
(4) by 65 parts by weight oyster shell whitings, 12 parts by weight of activated powdered carbons, 6 parts by weight phosphogypsum powders, 10 parts by weight flue gas desulfurizations
Waste powder and the mixing of 1.8 parts by weight water-retaining agent polyacrylamides, after stirring 3.5h under the rotating speed of 1200r/min, extract
Material is by comminutor granulation to get to shell waste soil conditioner.
It is being acidified soil surface hardened and by heavy metal pollution, 45-55kg is pressed per acre respectively in First Year spring and autumn
After uniformly spreading fertilizer over the fields the shell waste soil conditioner that the present embodiment is prepared, 50-60cm is ploughed deeply, is leveled land, is then planted
Plant crops corn.The next spring is monitored soil, and the pH value of soil becomes 5.2 from original 4.3, soil moisture content
Increase by 21% than originally, soil organic matter content becomes 3.5% from original 2.1%, and soil disease reduces 45% more in the past
Left and right, per mu yield have increased production 30%, reduce the usage amount 28% of chemical fertilizer.
Embodiment 2
A kind of preparation method of shell waste soil conditioner, includes the following steps：
(1) shell waste is washed to remove impurity, 200 mesh sieve is then crossed after 95 DEG C of dry 1h, grindings, is obtained
Oyster shell whiting；
(2) corncob hydrolytic residue is added in deionized water, keeps the temperature 2h under the conditions of 200 DEG C, residue after reaction is used
Deionized water washing, 100 DEG C of dry 1.5h, obtain hydro-thermal coke, are then warming up to 410 DEG C of carbonization 65min under a nitrogen atmosphere,
Activated carbon is obtained, 200 mesh sieve is crossed after grinding, prepares active powdered carbon；
(3) 200 mesh sieve sieve is crossed after grinding ardealite and flue gas desulfurization waste respectively, obtains phosphogypsum powder and flue gas is de-
Sulphur waste powder；
(4) by 63 parts by weight oyster shell whitings, 14 parts by weight of activated powdered carbons, 7 parts by weight phosphogypsum powders, 11 parts by weight flue gas desulfurizations
Waste powder and the mixing of 1.6 parts by weight water-retaining agent polyacrylic acid potassiums, after stirring 4h under the rotating speed of 1500r/min, take out material
It is granulated to get to shell waste soil conditioner by comminutor.
It is being acidified soil surface hardened and by heavy metal pollution, 45-55kg is pressed per acre respectively in First Year spring and autumn
After uniformly spreading fertilizer over the fields the shell waste soil conditioner that the present embodiment is prepared, 50-60cm is ploughed deeply, is leveled land, is then planted
Plant crops corn.The next spring is monitored soil, and the pH value of soil becomes 5.5 from original 4.5, soil moisture content
Increase by 24% than originally, soil organic matter content becomes 3.0% from original 1.9%, and soil disease reduces 44% more in the past
Left and right, per mu yield have increased production 30%, reduce the usage amount 29% of chemical fertilizer.
Embodiment 3
A kind of preparation method of shell waste soil conditioner, includes the following steps：
(1) shell waste is washed to remove impurity, 200 mesh sieve is then crossed after 95 DEG C of dry 2h, grindings, is obtained
Oyster shell whiting；
(2) corncob hydrolytic residue is added in deionized water, keeps the temperature 1h under the conditions of 250 DEG C, residue after reaction is used
Deionized water washing, 100 DEG C of dry 1h, obtain hydro-thermal coke, are then warming up to 390 DEG C of carbonization 80min under a nitrogen atmosphere, obtain
200 mesh sieve is crossed to activated carbon, after grinding, prepares active powdered carbon；
(3) 200 mesh sieve sieve is crossed after grinding ardealite and flue gas desulfurization waste respectively, obtains phosphogypsum powder and flue gas is de-
Sulphur waste powder；
(4) by 76 parts by weight oyster shell whitings, 10 parts by weight of activated powdered carbons, 7 parts by weight phosphogypsum powders, 9 parts by weight flue gas desulfurizations
Waste powder and the mixing of 2 parts by weight water-retaining agent ammonium polyacrylates, after stirring 5h under the rotating speed of 1200r/min, it is logical to take out material
Comminutor is crossed to be granulated to get to shell waste soil conditioner.
It is being acidified soil surface hardened and by heavy metal pollution, 45-55kg is pressed per acre respectively in First Year spring and autumn
After uniformly spreading fertilizer over the fields the shell waste soil conditioner that the present embodiment is prepared, 50-60cm is ploughed deeply, is leveled land, is then planted
Plant crops corn.The next spring is monitored soil, and the pH value of soil becomes 5.3 from original 4.3, soil moisture content
Increase by 22% than originally, soil organic matter content becomes 3.3% from original 2.5%, and soil disease reduces 40% more in the past
Left and right, per mu yield have increased production 28%, reduce the usage amount 26% of chemical fertilizer.
Embodiment 4
A kind of preparation method of shell waste soil conditioner, includes the following steps：
(1) shell waste is washed to remove impurity, 200 mesh sieve is then crossed after 95 DEG C of dry 2h, grindings, is obtained
Oyster shell whiting；
(2) corncob hydrolytic residue is added in deionized water, keeps the temperature 1h under the conditions of 240 DEG C, residue after reaction is used
Deionized water washing, 100 DEG C of dry 1h, obtain hydro-thermal coke, are then warming up to 405 DEG C of carbonization 70min under a nitrogen atmosphere, obtain
200 mesh sieve is crossed to activated carbon, after grinding, prepares active powdered carbon；
(3) 200 mesh sieve sieve is crossed after grinding ardealite and flue gas desulfurization waste respectively, obtains phosphogypsum powder and flue gas is de-
Sulphur waste powder；
(4) by 72 parts by weight oyster shell whitings, 12 parts by weight of activated powdered carbons, 8 parts by weight phosphogypsum powders, 11 parts by weight flue gas desulfurizations
Waste powder and 1.9 parts by weight water-retaining agent starch connect the mixing of branch acrylates and are taken after stirring 3h under the rotating speed of 1400r/min
Go out material to be granulated to get to shell waste soil conditioner by comminutor.
Preferably, the water-retaining agent is polyacrylamide, Sodium Polyacrylate, polyacrylic acid potassium, ammonium polyacrylate, starch connect
At least one of branch acrylates, humic acid.
It is being acidified soil surface hardened and by heavy metal pollution, 45-55kg is pressed per acre respectively in First Year spring and autumn
After uniformly spreading fertilizer over the fields the shell waste soil conditioner that the present embodiment is prepared, 50-60cm is ploughed deeply, is leveled land, is then planted
Plant crops corn.The next spring is monitored soil, and the pH value of soil becomes 5.6 from original 4.5, soil moisture content
Increase by 25% than originally, soil organic matter content becomes 3.2% from original 2.0%, and soil disease reduces 39% more in the past
Left and right, per mu yield have increased production 29%, reduce the usage amount 26% of chemical fertilizer.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (8)
1. a kind of preparation method of shell waste soil conditioner, which is characterized in that include the following steps：
(1) shell waste is washed to remove impurity and drying, then grinds, obtains oyster shell whiting；
(2) corncob hydrolytic residue progress hydro-thermal reaction is obtained into hydro-thermal coke, is then carbonized under a nitrogen atmosphere, obtains activity
Charcoal, grinding prepare active powdered carbon；
(3) it is sieved after grinding ardealite and flue gas desulfurization waste respectively, obtains phosphogypsum powder and flue gas desulfurization waste powder
End；
(4) oyster shell whiting, active powdered carbon, phosphogypsum powder, flue gas desulfurization waste powder and water-retaining agent are mixed, is made after stirring evenly
Grain is to get to shell waste soil conditioner.
2. a kind of preparation method of shell waste soil conditioner according to claim 1, which is characterized in that step
(2) hydro-thermal reaction method is in：Corncob hydrolytic residue is added in deionized water, 1 is kept the temperature under the conditions of 200 DEG C~250 DEG C
Residue after reaction is washed with deionized, dries by~2h, obtains hydro-thermal coke.
3. a kind of preparation method of shell waste soil conditioner according to claim 1, which is characterized in that step
(2) carburizing temperature is 380 DEG C~420 DEG C under a nitrogen atmosphere in, and carbonization time is 50min~80min.
4. a kind of preparation method of shell waste soil conditioner according to claim 1, which is characterized in that step
(4) ratio of each component is in：60~80 parts by weight of oyster shell whiting, 10~14 parts by weight of active powdered carbon, 5~8 weight of phosphogypsum powder
Part, 8~12 parts by weight of flue gas desulfurization waste powder, 1.5~2.5 parts by weight of water-retaining agent.
5. a kind of preparation method of shell waste soil conditioner according to claim 1, which is characterized in that the guarantor
Aqua is polyacrylamide, Sodium Polyacrylate, polyacrylic acid potassium, ammonium polyacrylate, starch connect in branch acrylates, humic acid
It is at least one.
6. a kind of preparation method of shell waste soil conditioner according to claim 1, which is characterized in that step
(4) mixing speed is 1000r/min~1500r/min in, and mixing time is 3h~5h.
7. the shell waste soil conditioner that any preparation method described in claim 1 to 8 is prepared.
8. a kind of shell waste soil conditioner described in claim 9 is in acidification, hardened, heavy metal pollution farming species
Plant the application in soil remediation.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184066A (en) * | 2018-12-13 | 2019-08-30 | 青岛农特生物科技有限责任公司 | A kind of soil conditioner and preparation method thereof for tobacco field acid soil |
| CN111014277A (en) * | 2019-12-31 | 2020-04-17 | 浙江海洋大学 | Oil stain soil remediation agent and preparation thereof |
| JP2021127434A (en) * | 2020-02-17 | 2021-09-02 | 株式会社吉田レミコン | Soil improvement agent and its manufacturing method |
| CN113632614A (en) * | 2021-08-13 | 2021-11-12 | 金华生物质产业科技研究院 | Preparation and application methods of compound heavy metal contaminated soil remediation material |
| CN113698937A (en) * | 2020-05-22 | 2021-11-26 | 中国环境科学研究院 | Humic acid-earthworm-semicoke soil improvement technical method |
| CN113698938A (en) * | 2020-05-22 | 2021-11-26 | 中国环境科学研究院 | Humic acid-earthworm-semicoke soil improvement technical method |
| CN114032103A (en) * | 2021-11-03 | 2022-02-11 | 贵州省化工研究院 | Method for preparing soil conditioner by high-temperature calcination of phosphogypsum serving as raw material |
| CN115637151A (en) * | 2022-11-08 | 2023-01-24 | 中国农业大学 | Acidic soil conditioner and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969393A (en) * | 2016-05-13 | 2016-09-28 | 郑走生 | Heavy metal soil improvement agent and improvement method |
| CN106190157A (en) * | 2016-07-22 | 2016-12-07 | 福建省烟草公司南平市公司 | A kind of acid tobacco-planting soil conditioner and using method thereof |
-
2018
- 2018-06-22 CN CN201810649803.8A patent/CN108587632A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969393A (en) * | 2016-05-13 | 2016-09-28 | 郑走生 | Heavy metal soil improvement agent and improvement method |
| CN106190157A (en) * | 2016-07-22 | 2016-12-07 | 福建省烟草公司南平市公司 | A kind of acid tobacco-planting soil conditioner and using method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184066A (en) * | 2018-12-13 | 2019-08-30 | 青岛农特生物科技有限责任公司 | A kind of soil conditioner and preparation method thereof for tobacco field acid soil |
| CN111014277A (en) * | 2019-12-31 | 2020-04-17 | 浙江海洋大学 | Oil stain soil remediation agent and preparation thereof |
| JP2021127434A (en) * | 2020-02-17 | 2021-09-02 | 株式会社吉田レミコン | Soil improvement agent and its manufacturing method |
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