CN108064662B - A kind of organic magnetic planting soil and preparation method thereof - Google Patents
A kind of organic magnetic planting soil and preparation method thereof Download PDFInfo
- Publication number
- CN108064662B CN108064662B CN201711449877.9A CN201711449877A CN108064662B CN 108064662 B CN108064662 B CN 108064662B CN 201711449877 A CN201711449877 A CN 201711449877A CN 108064662 B CN108064662 B CN 108064662B
- Authority
- CN
- China
- Prior art keywords
- sludge
- red mud
- planting soil
- organic
- magnetized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The present invention provides a kind of organic magnetized planting soils and preparation method thereof, the organic magnetized planting soil is mainly prepared by the raw material of following mass ratio: sludge 100 ~ 130: magnetic active carbon 30 ~ 40: dealkalize red mud 45 ~ 55: turfy soil 10 ~ 15, a kind of organic magnetized planting soil preparation method obtains mixture the following steps are included: sludge, magnetic active carbon, dealkalize red mud, turfy soil are that 100 ~ 130:30 ~ 40:45 ~ 55:10 ~ 15 mix by (1) in mass ratio；(2) step (1) mixture is subjected to aerobic compost maturity, decomposed 12 ~ 14 days, obtains planting soil.The invention enables stalk, dolomite waste residue, phosphorus tailing, iron tailings, red muds to be widely applied in abandoned mine, the problem of not only solving land occupation resource caused by tailing is largely stored up and pollution environment, also achieve the resource utilization of tailing, turn waste into wealth, improve the effective rate of utilization of resource, recycling sludge, minimizing, stabilisation, innoxious application are realized, it is energy saving, reduce preparation cost.
Description
Technical field
The present invention relates to planting soil preparation technical field, specifically a kind of organic magnetic planting soil and preparation method thereof.
Background technique
Mine Solid Wastes refer to selected smelting to produce including barren rock caused by during mining and ore after institute
The tailing or waste residue of generation become a great problem of environmental protection to measure big, complex treatment process.And sludge is as sewage
The by-product of processing, complicated component contain sex pheromone, parasitic ovum, poisonous and hazardous heavy metal and a large amount of difficult drop
Substance is solved, is such as dealt with improperly, is easy to cause secondary pollution to environment.Mine Solid Wastes and sludge is studied to carry out as resource
Efficient comprehensive utilization, can not only improve the ecological environment in mine, but also can make full use of the useful component in waste, change give up into
Treasured has realistic meaning to the increasingly serious environmental problem in China is alleviated.
Currently, general planting soil matches Preparation Method mainly with the raw materials such as zeolite, biological organic fertilizer, turfy soil, perlite, choosing
With Mine Solid Wastes and sludge, decomposed manure system such as the iron tailings of magnetizing roast, phosphorus tailing, dolomite waste residue, red muds
The research data of standby organic magnetic planting soil is less, does not find that pertinent literature is described it also.
Summary of the invention
In view of the foregoing, the object of the present invention is to provide a kind of organic magnetic planting soils and preparation method thereof, it is intended to full
The demand that soil moved in improve the original is largely used in sufficient land restoration in mining area, solve Mine Solid Wastes stockpiling occupy a large amount of land resource,
The environmental problems such as atmosphere, water resource pollution, open sludge reduction, stabilisation, innoxious, resource utilization thinking, alleviate or
The objective demand of soil moved in improve the original during solution abandoned mine restoration harness.
To achieve the goals above, the present invention the following technical schemes are provided:
A kind of organic magnetized planting soil, is mainly prepared by the raw material of following mass ratio: sludge 100 ~ 130: magnetism is living
Property charcoal 30 ~ 40: dealkalize red mud 45 ~ 55: turfy soil 10 ~ 15.
A kind of organic magnetized planting soil and preparation method thereof, comprising the following steps:
(1) by sludge, magnetic active carbon, dealkalize red mud, turfy soil be in mass ratio 100 ~ 130:30 ~ 40:45 ~ 55:10 ~
15 are mixed, and mixture is obtained；
(2) step (1) mixture is subjected to aerobic compost maturity, decomposed 12 ~ 14 days, obtains planting soil.
Further, step (1) sludge is prepared in the following manner:
I. sludge is concentrated by machinery, anaerobic digestion；
II. sludge after step I digestion is sent into 10 meshes to sieve, obtains -10 mesh sludge；The moisture percentage in sewage sludge is
78%~82%。
Further, step (1) the dealkalize red mud is prepared in the following manner:
A. red mud is configured to the slurry that solid-to-liquid ratio is 1:4.5 ~ 5, spray type desulphurization tower is pumped by screw rod and is taken off
Alkali process；The red mud is Bayer process red mud, and pH value 12 ~ 13, partial size is -200 mesh, and moisture content is 60% ~ 70%;
B. red mud after dealkalize is sent into filter press and carries out filter-press dehydration, obtain dealkalize red mud；The dealkalize red mud moisture content
It is 35% ~ 40%, pH value is 7.5 ~ 8.0.
Further, step (1) magnetic active carbon is prepared in the following manner:
A. in mass ratio by dewatered sludge, magnetization iron tailings, phosphorus mine tailing, dolomite waste residue powder, straw powder material are as follows: 80 ~
100:12 ~ 15:15 ~ 20:10 ~ 15:15 ~ 20 are mixed, and mixture is obtained；The phosphorus mine tailing is by carrying out to phosphorus tailing
Grinding, screening are made, and partial size is -200 mesh；The dolomite waste residue powder be by being crushed to dolomite waste residue, ore grinding,
Screening is made, and partial size is -200 mesh；The straw powder material is made by carrying out natural air drying, crushing to stalk, sieving,
Partial size is -100 mesh, and moisture content is 15% ~ 20%；
B. step A mixture feeding high-speed compound pelletizer is granulated；
C. step B mixture pelleting is sent into 750 DEG C ~ 800 DEG C retorts and carries out pyrolysis charring；
D., step C is solved to granulation feeding 8000 ~ 9000mT magnetization field strength after carbonizing to magnetize, 10 ~ 12s of magnetization is obtained
Magnetic active carbon with magnetic temperature stability；The magnetic induction intensity of the magnetizing field is 40 ~ 45 μ T；The magnetic active carbon partial size
For 0.5 ~ 1mm, 850 ~ 900m of specific surface area2/ g, 0.25 ~ 0.27cm of Micropore volume3/g。
Further, the step A dewatered sludge is prepared in the following manner:
I. sludge after step I digestion is subjected to desiccation using fume afterheat, obtaining moisture content is 10% sludge below；
Ii. step i sludge is subjected to ore grinding, screening, obtaining partial size is -200 mesh dewatered sludges.
Further, the step A magnetization iron tailings is prepared in the following manner:
1. iron tailings, coal dust are carried out magnetizing roast at a temperature of 600 DEG C ~ 650 DEG C, the coal dust incorporation is iron tailings
The 30% ~ 35% of quality roasts 2 ~ 2.5min；
2. mixture is ground, sieved 1. step is roasted after, obtaining partial size is that -200 mesh magnetize iron tailings.
Further, the step flue gas that 1. magnetizing roast and step a magnetizing roast generate, is sent by pipeline and is sprayed
Formula desulfurizing tower carries out desulfurization process, and the waste heat for exporting flue gas is sent into step i by pipeline to be used；In the output flue gas
SO2Concentration is down to 30 ~ 70mg/m3, meet the national standard of flue gas emission.
Further, the decomposed condition of the step (2) are as follows: the moisture content of mixture remains 30%-36%, environment temperature
It is 20 DEG C -25 DEG C, decomposed temperature is 55 DEG C -70 DEG C, and ventilation quantity is 9 ~ 15m3/ (h t), heap body oxygen content 5% ~ 15%.
The invention has the benefit that
It has obtained largely answering in abandoned mine the invention enables stalk, dolomite waste residue, phosphorus tailing, iron tailings, red mud
With, not only solve land occupation resource caused by tailing is largely stored up and pollution environment the problem of, also achieve the money of tailing
Sourceization utilizes, and turns waste into wealth, improves the effective rate of utilization of resource.Application of the sludge in magnetic planting soil, realizes sludge
Recycling, minimizing, stabilisation, innoxious application.Meanwhile using red mud to the flue gas generated in magnetizing roast and sintering process
Desulfurization process is carried out, national standard limit of smog release is reached, reduces also the alkalinity of red mud during this, that widens red mud applies model
It encloses, fume afterheat can be used for sludge drying link, realize the maximization of using energy source in planting soil preparation process, save energy
Source reduces preparation cost.
Detailed description of the invention
Fig. 1 is a kind of process flow diagram of organic magnetic planting soil and preparation method thereof.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described ground embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all under the premise of not making creative work achievement
Other embodiments shall fall within the protection scope of the present invention.
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of organic magnetic planting soil
And preparation method thereof.A kind of organic magnetized planting soil, is mainly prepared by the raw material of following mass ratio: sludge 100 ~ 130: magnetic
Property active carbon 30 ~ 40: dealkalize red mud 45 ~ 55: turfy soil 10 ~ 15.
A kind of organic magnetized planting soil and preparation method thereof, comprising the following steps:
(1) by sludge, magnetic active carbon, dealkalize red mud, turfy soil be in mass ratio 100 ~ 130:30 ~ 40:45 ~ 55:10 ~
15 are mixed, and mixture is obtained；
(2) step (1) mixture is subjected to aerobic compost maturity, decomposed 12 ~ 14 days, obtains planting soil.
Embodiment 1
A kind of organic magnetized planting soil and preparation method thereof, comprising the following steps:
(1) by iron tailings, coal blending, 2 min of magnetizing roast is carried out at a temperature of 600 DEG C, by mixture after roasting into
Row grinding, screening, obtaining partial size is that -200 mesh magnetize iron tailings, and coal dust incorporation is the 30% of iron tailings quality；
(2) sludge is concentrated, anaerobic digestion by machinery, sludge a part after digestion is carried out using fume afterheat
Desiccation, then ore grinding, screening, obtain moisture content be 10% or less, partial size be -200 mesh dewatered sludges obtain；
(3) phosphorus tailing ground, sieved, obtain -200 mesh phosphorus mine tailings；
(4) dolomite waste residue is crushed, ore grinding, screening, obtains -200 mesh dolomite waste residue powders；
(5) stalk is subjected to natural air drying, crushing, screening, obtains -100 mesh straw powder materials；
(6) in mass ratio by dewatered sludge, magnetization iron tailings, phosphorus mine tailing, dolomite waste residue powder, straw powder material are as follows: 80:
12:15:10:20 is mixed, and is sent into high-speed compound pelletizer and is granulated, and is re-fed into 750 DEG C of retorts and is carried out pyrolytic carbon
Change, feeding 8000mT magnetization field strength will be granulated after pyrolysis charring and is magnetized, magnetizes 10 s, obtains the magnetic with magnetic temperature stability
Property active carbon；The magnetic induction intensity of the magnetizing field is 40 μ T；The magnetic active carbon partial size is 0.5 mm, specific surface area 900
m2/ g, Micropore volume 0.27；
(7) it will be concentrated after step (2) concentration, anaerobic digestion by machinery, another part sludge after anaerobic digestion
It is sent into 10 meshes to be sieved, obtains -10 mesh sludge；
(8) red mud is configured to the slurry that solid-to-liquid ratio is 1:5, spray type desulphurization tower is pumped by screw rod and is carried out at dealkalize
Red mud after dealkalize is sent into filter press and carries out filter-press dehydration, obtains dealkalize red mud, pH value 8.0 by reason；The red mud is Bayer
Method red mud, pH value 12, partial size are -200 mesh；The spray type desulphurization produces step (2) magnetizing roast and step (6) pyrolysis charring
Raw flue gas desulfurization is sent into spray type desulphurization tower by pipeline and carries out desulfurization process, and the waste heat for exporting flue gas is sent by pipeline
Step is used in (2)；
It (9) is in mass ratio that 100:40:55:10 is mixed by sludge, magnetic active carbon, dealkalize red mud, turfy soil, it will
Mixture carries out aerobic compost maturity, decomposed 12 days, obtains planting soil.
The content of organic matter is 7.5 g/kg in planting soil made from present implementation, and N-P-K content is respectively 290mg/
Kg, 820mg/kg and 660mg/kg, wherein quick-acting nitrogen contents are 180mg/kg, available phosphorus contents 585mg/kg, available state potassium
Content is 445mg/kg, pH value 8.0, percentage of seedgermination 94%, and every heavy metal index meets the mark of national planting soil
It is quasi-.
Embodiment 2
A kind of organic magnetized planting soil and preparation method thereof, comprising the following steps:
(1) by iron tailings, coal blending, 2.3 min of magnetizing roast is carried out at a temperature of 630 DEG C, by mixture after roasting
It ground, sieved, obtaining partial size is that -200 mesh magnetize iron tailings, and coal dust incorporation is the 32% of iron tailings quality；
(2) sludge is concentrated, anaerobic digestion by machinery, sludge a part after digestion is carried out using fume afterheat
Desiccation, then ore grinding, screening, obtain moisture content be 10% or less, partial size be -200 mesh dewatered sludges obtain；
(3) phosphorus tailing ground, sieved, obtain -200 mesh phosphorus mine tailings；
(4) dolomite waste residue is crushed, ore grinding, screening, obtains -200 mesh dolomite waste residue powders；
(5) stalk is subjected to natural air drying, crushing, screening, obtains -100 mesh straw powder materials；
(6) in mass ratio by dewatered sludge, magnetization iron tailings, phosphorus mine tailing, dolomite waste residue powder, straw powder material are as follows: 90:
13:18:12:18 is mixed, and is sent into high-speed compound pelletizer and is granulated, and is re-fed into 780 DEG C of retorts and is carried out pyrolytic carbon
Change, feeding 8500mT magnetization field strength will be granulated after pyrolysis charring and is magnetized, magnetizes 11 s, obtains the magnetic with magnetic temperature stability
Property active carbon；The magnetic induction intensity of the magnetizing field is 42 μ T；The magnetic active carbon partial size is 0.8 mm, specific surface area 880
m2/ g, Micropore volume 0.26cm3/g；
(7) it will be concentrated after step (2) concentration, anaerobic digestion by machinery, another part sludge after anaerobic digestion
It is sent into 10 meshes to be sieved, obtains -10 mesh sludge；
(8) red mud is configured to the slurry that solid-to-liquid ratio is 1:4.8, spray type desulphurization tower is pumped by screw rod and is taken off
Red mud after dealkalize is sent into filter press and carries out filter-press dehydration, obtains dealkalize red mud, pH value 7.8 by alkali process；The red mud be for
Bayer process red mud, pH value 12, partial size are -200 mesh；The spray type desulphurization is by step (2) magnetizing roast and step (6) pyrolytic carbon
Change the flue gas desulfurization generated, spray type desulphurization tower is sent by pipeline and carries out desulfurization process, the waste heat for exporting flue gas passes through pipeline
It is sent into step (2) and is used；
It (9) is in mass ratio that 115:38:45:12 is mixed by sludge, magnetic active carbon, dealkalize red mud, turfy soil, it will
Mixture carries out aerobic compost maturity, decomposed 13 days, obtains planting soil.
The content of organic matter is 7.6 g/kg in planting soil made from present implementation, and N-P-K content is respectively 300mg/
Kg, 830mg/kg and 675mg/kg, wherein quick-acting nitrogen contents are 190mg/kg, available phosphorus contents 600mg/kg, available state potassium
Content is 450mg/kg, pH value 7.8, percentage of seedgermination 95%, and every heavy metal index meets the mark of national planting soil
It is quasi-.
Embodiment 3
A kind of organic magnetized planting soil and preparation method thereof, comprising the following steps:
(1) by iron tailings, coal blending, 2.5 min of magnetizing roast is carried out at a temperature of 650 DEG C, by mixture after roasting
It ground, sieved, obtaining partial size is that -200 mesh magnetize iron tailings, and powder incorporation is the 35% of iron tailings quality；
(2) sludge is concentrated, anaerobic digestion by machinery, sludge a part after digestion is carried out using fume afterheat
Desiccation, then ore grinding, screening, obtain moisture content be 10% or less, partial size be -200 mesh dewatered sludges obtain；
(3) phosphorus tailing ground, sieved, obtain -200 mesh phosphorus mine tailings；
(4) dolomite waste residue is crushed, ore grinding, screening, obtains -200 mesh dolomite waste residue powders；
(5) stalk is subjected to natural air drying, crushing, screening, obtains -100 mesh straw powder materials；
(6) in mass ratio by dewatered sludge, magnetization iron tailings, phosphorus mine tailing, dolomite waste residue powder, straw powder material are as follows:
100:15:20:15:15 is mixed, and is sent into high-speed compound pelletizer and is granulated, and is re-fed into 800 DEG C of retorts and is carried out heat
Solution charing will be granulated feeding 9000mT magnetization field strength and magnetize, and magnetize 12s, obtain with magnetic temperature stability after pyrolysis charring
Magnetic active carbon；The magnetic induction intensity of the magnetizing field is 45 μ T；The magnetic active carbon partial size is 1mm, specific surface area
850m2/ g, Micropore volume 0.25cm3/g；
(7) it will be concentrated after step (2) concentration, anaerobic digestion by machinery, another part sludge after anaerobic digestion
It is sent into 10 meshes to be sieved, obtains -10 mesh sludge；
(8) red mud is configured to the slurry that solid-to-liquid ratio is 1:4.5, spray type desulphurization tower is pumped by screw rod and carries out dealkalize
Red mud after dealkalize is sent into filter press and carries out filter-press dehydration, obtains dealkalize red mud, pH value 7.5 by processing；The red mud is to visit
Ear method red mud, pH value 12, partial size are -200 mesh；The spray type desulphurization is by step (2) magnetizing roast and step (6) pyrolysis charring
The flue gas desulfurization of generation is sent into spray type desulphurization tower by pipeline and carries out desulfurization process, and the waste heat for exporting flue gas is sent by pipeline
Enter and is used in step (2)；
It (9) is in mass ratio that 130:35:40:15 is mixed by sludge, magnetic active carbon, dealkalize red mud, turfy soil, it will
Mixture carries out aerobic compost maturity, decomposed 14 days, obtains planting soil.
In planting soil made from present implementation the content of organic matter be 7.7g/kg, N-P-K content be respectively 310mg/kg,
840mg/kg and 680mg/kg, wherein quick-acting nitrogen contents are 200mg/kg, available phosphorus contents 615mg/kg, available state potassium content
For 455mg/kg, pH value 7.5, percentage of seedgermination 96%, every heavy metal index meets the standard of national planting soil.
The foregoing is merely most preferred embodiments in experiment of the invention, are not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (6)
1. a kind of organic magnetized planting soil, is mainly prepared by the raw material of following mass ratio: sludge 100 ~ 130: magnetic activity
Charcoal 30 ~ 40: dealkalize red mud 45 ~ 55: turfy soil 10 ~ 15；
The organic magnetized planting soil is prepared by the following steps:
(1) by sludge, magnetic active carbon, dealkalize red mud, turfy soil be in mass ratio 100 ~ 130:30 ~ 40:45 ~ 55:10 ~ 15 into
Row mixes, and obtains mixture；
The magnetic active carbon is prepared in the following manner:
A. in mass ratio by dewatered sludge, magnetization iron tailings, phosphorus mine tailing, dolomite waste residue powder, straw powder material are as follows: 80 ~ 100:
12 ~ 15:15 ~ 20:10 ~ 15:15 ~ 20 are mixed, and mixture is obtained；The phosphorus mine tailing is by grinding to phosphorus tailing
Mill, screening are made, and partial size is -200 mesh；The dolomite waste residue powder be by being crushed to dolomite waste residue, ore grinding, sieve
Divide and be made, partial size is -200 mesh；The straw powder material is made by carrying out natural air drying, crushing to stalk, sieving, grain
Diameter is -100 mesh, and moisture content is 15% ~ 20%；
B. step A mixture feeding high-speed compound pelletizer is granulated；
C. step B mixture pelleting is sent into 750 DEG C ~ 800 DEG C retorts and carries out pyrolysis charring；
D., step C is solved to granulation feeding 8000 ~ 9000mT magnetization field strength after carbonizing to magnetize, 10 ~ 12s of magnetization is had
The magnetic active carbon of magnetic temperature stability；The magnetic induction intensity of the magnetizing field is 40 ~ 45 μ T；The magnetic active carbon partial size is
0.5 ~ 1mm, 850 ~ 900m2/g of specific surface area, 0.25 ~ 0.27cm3/g of Micropore volume；
(2) step (1) mixture is subjected to aerobic compost maturity, decomposed 12 ~ 14 days, obtains planting soil, decomposed condition are as follows: mixing
The moisture content of object remains 30%-36%, and environment temperature is 20 DEG C -25 DEG C, and decomposed temperature is 55 DEG C -70 DEG C, ventilation quantity is 9 ~
15m3/(h t), heap body oxygen content 5% ~ 15%.
2. a kind of organic magnetized planting soil according to claim 1, which is characterized in that step (1) sludge passes through following
It is prepared by mode:
I. sludge is concentrated by machinery, anaerobic digestion；
II. sludge after step I digestion is sent into 10 meshes to sieve, obtains -10 mesh sludge；The moisture percentage in sewage sludge be 78% ~
82%。
3. a kind of organic magnetized planting soil according to claim 1, which is characterized in that step (1) the dealkalize red mud passes through
Following manner preparation:
A. red mud is configured to the slurry that solid-to-liquid ratio is 1:4.5 ~ 5, spray type desulphurization tower is pumped by screw rod and is carried out at dealkalize
Reason；The red mud is Bayer process red mud, and pH value 12 ~ 13, partial size is -200 mesh, and moisture content is 60% ~ 70%;
B. red mud after dealkalize is sent into filter press and carries out filter-press dehydration, obtain dealkalize red mud；The dealkalize red mud moisture content is 35%
~ 40%, pH value is 7.5 ~ 8.0.
4. a kind of organic magnetized planting soil according to claim 1, which is characterized in that the step A dewatered sludge by with
Under type preparation:
I. sludge after step I digestion is subjected to desiccation using fume afterheat, obtaining moisture content is 10% sludge below；
Ii. step i sludge is subjected to ore grinding, screening, obtaining partial size is -200 mesh dewatered sludges.
5. a kind of organic magnetized planting soil according to claim 1, which is characterized in that the step A magnetization iron tailings passes through
Following manner preparation:
1. iron tailings, coal dust are carried out magnetizing roast at a temperature of 600 DEG C ~ 650 DEG C, the coal dust incorporation is iron tailings quality
30% ~ 35%, roast 2 ~ 2.5min；
2. mixture is ground, sieved 1. step is roasted after, obtaining partial size is that -200 mesh magnetize iron tailings.
6. a kind of organic magnetized planting soil according to claim 5, which is characterized in that the step 1. magnetizing roast and step
The flue gas that C charing pyrolysis generates, is sent into spray type desulphurization tower by pipeline and carries out desulfurization process, the waste heat for exporting flue gas passes through pipe
Road is sent into step i and is used；The output so2 concentration in flue gas is down to 30 ~ 70mg/m3, meets the country of flue gas emission
Standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711449877.9A CN108064662B (en) | 2017-12-27 | 2017-12-27 | A kind of organic magnetic planting soil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711449877.9A CN108064662B (en) | 2017-12-27 | 2017-12-27 | A kind of organic magnetic planting soil and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108064662A CN108064662A (en) | 2018-05-25 |
| CN108064662B true CN108064662B (en) | 2019-07-23 |
Family
ID=62155509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711449877.9A Active CN108064662B (en) | 2017-12-27 | 2017-12-27 | A kind of organic magnetic planting soil and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108064662B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901535A (en) * | 2018-06-27 | 2018-11-30 | 贵州松桃正大振兴生态农旅开发有限公司 | A kind of implantation methods of peach |
| CN108718993B (en) * | 2018-07-13 | 2020-06-26 | 大连地拓环境科技有限公司 | Boron tailing planting soil and preparation method thereof |
| CN113303198A (en) * | 2021-06-25 | 2021-08-27 | 湖北声荣再生资源利用有限公司 | Culture medium and preparation method and application thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500596B (en) * | 2011-10-20 | 2013-08-07 | 安徽理工大学 | Red mud harmless comprehensive recycling technology suitable for Bayer process |
| CN105170620B (en) * | 2015-09-30 | 2018-07-03 | 江苏省中成建设工程总公司 | A kind of method of magnetic active carbon collaboration activator restoration of soil polluted by heavy metal |
| CN106278730A (en) * | 2016-08-15 | 2017-01-04 | 大连地拓重工有限公司 | A kind of suspension roasting iron tailings planting soil and preparation method thereof |
| CN106495835A (en) * | 2016-10-09 | 2017-03-15 | 洛阳茂生生物技术有限公司 | A kind of preparation method of Organic sludge manure |
| CN106904924B (en) * | 2017-03-17 | 2019-04-02 | 山东大学 | Utilize the system and method for municipal waste and Industrial Solid Waste building 3D printing material |
| CN107500880A (en) * | 2017-09-08 | 2017-12-22 | 大连青松智慧生态科技有限公司 | A kind of sludge and mine tailing mixed method |
-
2017
- 2017-12-27 CN CN201711449877.9A patent/CN108064662B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108064662A (en) | 2018-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103649016B (en) | The manufacture method of phosphatic manure and phosphatic manure | |
| CN106147778A (en) | Passivator, preparation method and applications for repairing heavy metal in soil combined pollution | |
| CN108064662B (en) | A kind of organic magnetic planting soil and preparation method thereof | |
| CN104099100B (en) | A kind of soil conditioner and preparation method thereof | |
| Weiler et al. | Technosol as an integrated management tool for turning urban and coal mining waste into a resource | |
| JP6021199B2 (en) | Method for producing phosphate fertilizer | |
| CN104774620B (en) | A kind of compounding modifying agent and preparation method and modification method for pollution of vanadium soil | |
| CN112940733A (en) | Method for preparing soil conditioner from multi-source coal-based solid waste | |
| CN110484267A (en) | A kind of mineral soil conditioner and preparation method thereof using flyash production | |
| CN112707465A (en) | Composite material for rare earth mining area acidic wastewater treatment and preparation method and application thereof | |
| CN103058738A (en) | Method for preparing phosphate fertilizer soil conditioner by using phosphate tailings and acidic wastewater | |
| Wang et al. | Effects of aging on surface properties and endogenous copper and zinc leachability of swine manure biochar and its composite with alkali-fused fly ash | |
| CN110090845A (en) | A method of utilizing pyrite slag soil red mud | |
| CN105130156A (en) | Method for controlling sludge heavy metal to be discharged | |
| KR100358408B1 (en) | Method of soil reclamation pellet for rice crop of saline soil using gypsum and organics sludge | |
| CN107903105A (en) | A kind of biogas residue organic fungi-manure and preparation method thereof | |
| Lehmusto et al. | Ashes from challenging fuels in the circular economy | |
| CN114586645B (en) | Method for preparing nutrient soil from gangue solid waste | |
| JP3684410B2 (en) | Sewage sludge treatment method and treated sewage sludge | |
| CN116590022A (en) | Method for producing acid soil conditioner by using phosphogypsum and pyrite | |
| CN108480390A (en) | A kind of heavy-metal contaminated soil renovation agent and preparation method thereof | |
| CN107573114A (en) | Utilize the method for heavy metal in the stable compost of calcium modified zeolite | |
| WO2015173396A1 (en) | Sulfur fertilizer | |
| CN109232092A (en) | A kind of powdery Multi-element fertilizer feed additives and preparation method thereof | |
| CN111530916A (en) | Lead-zinc tailing soil improvement agent and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |