CN110090845A - A method of utilizing pyrite slag soil red mud - Google Patents
A method of utilizing pyrite slag soil red mud Download PDFInfo
- Publication number
- CN110090845A CN110090845A CN201910191332.5A CN201910191332A CN110090845A CN 110090845 A CN110090845 A CN 110090845A CN 201910191332 A CN201910191332 A CN 201910191332A CN 110090845 A CN110090845 A CN 110090845A
- Authority
- CN
- China
- Prior art keywords
- red mud
- water
- mixture
- pyrite
- slag soil
- 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.)
- Granted
Links
- 239000002689 soil Substances 0.000 title claims abstract description 52
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910052683 pyrite Inorganic materials 0.000 title claims abstract description 51
- 239000011028 pyrite Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000002893 slag Substances 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000000203 mixture Substances 0.000 claims abstract description 57
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 35
- 239000003818 cinder Substances 0.000 claims abstract description 33
- 239000005416 organic matter Substances 0.000 claims abstract description 20
- 239000004746 geotextile Substances 0.000 claims abstract description 12
- 239000007800 oxidant agent Substances 0.000 claims abstract description 11
- 230000001590 oxidative effect Effects 0.000 claims abstract description 11
- 239000002028 Biomass Substances 0.000 claims abstract description 5
- 240000007594 Oryza sativa Species 0.000 claims description 24
- 235000007164 Oryza sativa Nutrition 0.000 claims description 24
- 235000009566 rice Nutrition 0.000 claims description 24
- 239000000052 vinegar Substances 0.000 claims description 24
- 235000021419 vinegar Nutrition 0.000 claims description 24
- 238000005406 washing Methods 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 22
- 239000002023 wood Substances 0.000 claims description 22
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 239000003610 charcoal Substances 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 6
- 238000000197 pyrolysis Methods 0.000 claims description 6
- 239000006228 supernatant Substances 0.000 claims description 6
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 claims description 5
- 230000036561 sun exposure Effects 0.000 claims description 5
- 235000017060 Arachis glabrata Nutrition 0.000 claims description 4
- 244000105624 Arachis hypogaea Species 0.000 claims description 4
- 235000010777 Arachis hypogaea Nutrition 0.000 claims description 4
- 235000018262 Arachis monticola Nutrition 0.000 claims description 4
- 240000008436 Ipomoea aquatica Species 0.000 claims description 4
- 244000207740 Lemna minor Species 0.000 claims description 4
- 235000006439 Lemna minor Nutrition 0.000 claims description 4
- 235000001855 Portulaca oleracea Nutrition 0.000 claims description 4
- 235000001601 Sabal palmetto Nutrition 0.000 claims description 4
- 235000020232 peanut Nutrition 0.000 claims description 4
- 244000060011 Cocos nucifera Species 0.000 claims description 3
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 3
- 241001440840 Mikania micrantha Species 0.000 claims description 2
- 241000878006 Miscanthus sinensis Species 0.000 claims description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 2
- 241000018646 Pinus brutia Species 0.000 claims description 2
- 235000011613 Pinus brutia Nutrition 0.000 claims description 2
- 241000219000 Populus Species 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- 229910001655 manganese mineral Inorganic materials 0.000 claims description 2
- 244000082204 Phyllostachys viridis Species 0.000 claims 2
- 240000003826 Eichhornia crassipes Species 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- 239000002994 raw material Substances 0.000 abstract 1
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 20
- 241001330002 Bambuseae Species 0.000 description 10
- 238000005259 measurement Methods 0.000 description 7
- 241000169203 Eichhornia Species 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000007865 diluting Methods 0.000 description 3
- 230000035558 fertility Effects 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000004021 humic acid Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 244000146553 Ceiba pentandra Species 0.000 description 1
- 235000003301 Ceiba pentandra Nutrition 0.000 description 1
- 241000675108 Citrus tangerina Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 229910052742 iron Inorganic materials 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- HNBFUFIYQWYCDM-UHFFFAOYSA-N oxygen(2-) sulfane titanium(4+) Chemical compound [O--].[O--].S.[Ti+4] HNBFUFIYQWYCDM-UHFFFAOYSA-N 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 235000010289 potassium nitrite Nutrition 0.000 description 1
- 239000004304 potassium nitrite Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/78—Recycling of wood or furniture waste
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of method using pyrite slag soil red mud, red mud to be processed and biomass are uniformly mixed to get red mud mixture by this method, and are laid on bottom；Water-keeping material is laid in the top of red mud mixture；Neutralization materials are laid in the top of water-keeping material, neutralization materials are the mixture of pyrite cinder and oxidant, and geotextiles are equipped between water-keeping material and neutralization materials；Periodically neutralization materials are sprayed；When the pH of the red mud mixture of bottom is 6 ~ 9, neutralization materials layer is removed, treated red mud mixture is uniformly mixed with water-keeping material to get to the red mud of soil；It is aoxidized in air using pyrite slag and generates sulfur dioxide, generation sulfuric acid is then reacted with water and plays the role of dealkalize to red mud, while organic matter can also improve the trophoplasm of red mud, be finally reached the purpose of red mud soil；The raw material of this method sample national conditions that are simple, cheap, meeting China, are able to carry out the large-scale soilization of red mud and utilize.
Description
Technical field
The invention belongs to mine wastes utilization and red mud soil technical fields, and in particular to a kind of to utilize pyrite cinder
The method of soil red mud.
Background technique
Red mud is a kind of bulk solid waste generated in aluminum oxide industry, because containing iron oxide, face
Color generally shows as red, therefore claims red mud.Average 1 ton of iron oxide of every production, will generate 1 ~ 2 ton of red mud, by 2015 I
The red mud annual output of state has closely reached 35,000,000 tons, and red mud is mainly handled using the method for stockpiling at present, due to red mud
Containing largely combining alkali, for pH generally 11 or more, which results in higher alkalinity can soil ring to red mud dump periphery
Border is polluted with underground water, while there are the risks of dam break for red mud dump, produce to the security of the lives and property of the periphery people
Biggish hidden danger is given birth to, just there is an urgent need to us for this from other directions, find red mud recycling, the utilization ways of soil.
The invention of Yang Jianhui, Zheng Yuanzhi et al. improve the method for large red mud soil and with red mud baking ceramsites after improveing
Method (application number: 201510739879.6)；Red mud is changed using the humus and humic acid that are generated after organic matter fermentation
Property, it is fired into haydite after then again mixing modified red mud with additives such as shale powders, achievees the purpose that dissolve red mud.
A kind of red mud assisted soil repairing fertiliser (application number: 201510733378.7) of the patent of invention of Sun Rengui；It utilizes
Red mud, in conjunction with wheat flour, peat, cottonseed cake, potassium nitrite, ammonium humate, kapok shell, sparring slag, limonite slag, tangerine
Skin, microbial agent have mixed a kind of fertilizer, play increase soil fertility, promote the purpose of crop growth.
Han Guihong, Huang Yanfang et al. invent it is a kind of using Bayer process red mud prepare artificial soil composition method and its
Obtain artificial soil composition (application number: 201510228173.3)；It the use of lignite is modifying agent, glue using red mud slurry as raw material
Ground phosphate rock is regulator, and through overcuring after mixing, artificial soil composition is formed after dehydration；The red mud generally directly produced
Slurry can be handled directly with the method, and the artificial soil composition finally obtained, which plants alkaline-resisting grass, good effect.
Han Keyu, Peng Dezhi et al. invention electrolytic manganese residues improvement red mud ground method (application number:
201410530478.5)；Mixed by electrolytic manganese residues with red mud, neutralize the alkalinity of red mud, addition perlite improve sponginess with
Water holding capacity is added organic matter, loosing soil agent, microorganism formulation etc. and improves its nutrient, by adjusting these soil conditioners
Adding proportion, to make various plants that can grow on the ground in red mud.
Luo Lin, Luo Huili's et al. invents a kind of method using granulating composite red mud restoration of soil polluted by heavy metal
(application number: 201110008347.7), the red mud material after aquation is formed into loose granule by Granulation Equipments, for soil
Violent variation occurs for earth reparation and runoff investigation, and few soil environment, while can be effectively reduced containing for ecological heavy metal
Amount reduces the enrichment of heavy metal in vivo.
The soil resource utilization method of red mud at present, it is most of be all by red mud in the form of additive
Reason, relative to China, huge red mud yield, the quantity of recycling are very small every year；The processing method of the large red mud in part is usually
The problem of a kind of waste is mixed into red mud and has the function that red mud reparation by " treatment of wastes with processes of wastes against one another ", but there is secondary pollutions,
Processing latter two waste is difficult to the problem of separating；So we need one kind that can largely handle red mud now, and it is not easy to produce
The method of raw secondary pollution.
Summary of the invention
In view of the problems of the existing technology, the invention proposes a kind of sides using pyrite slag soil red mud
Method, the characteristics of oxidation in air using pyrite cinder, addition pyrolusite powder increases its oxidation rate, then titanium dioxide
Sulphur and water generate sulfuric acid under the action of pyrolusite, to reduce the basicity of red mud, water-keeping material, which can play, keeps moisture
Effect, the organic matter mixed with red mud can increase the fertility after red mud soil, and pyrolusite is not mixed with red mud,
It is finally separating simply, greatly reduces a possibility that secondary pollution occurs.
The present invention is the method for solving the problems, such as red mud soil and using are as follows:
(1) red mud and biomass (agriculture organic matter) are mixed, obtains red mud mixture, being layered on place, (place can be experiment
Room, factory's feed bin, red mud dump) bottom；
The agricultural organic matter be water hyacinth, water duckweed, swamp cabbage, water peanut, Mikania micrantha, pine needle, Folium Pterocaryae, Poplar leaves,
One of Chinese silvergrass or arbitrarily than a variety of；
The mixed proportion of the red mud and biomass is mass ratio 6 ~ 8:2 ~ 4, and the laying depth of red mud mixture is 30 ~ 50cm；
(2) water-keeping material is uniformly laid with above red mud mixture；
The water-keeping material is one of sawdust, cocoanut shell, pigeon-wheat, amargosa or arbitrarily than a variety of, water-keeping material
Laying depth is 5 ~ 10cm；
(3) neutralization materials are laid in the top of water-keeping material, neutralization materials are the mixture of pyrite cinder and oxidant, water conservation
Geotextiles are equipped between material and neutralization materials；
The laying depth of the neutralization materials is 7 ~ 10cm, and neutralization materials layer is arranged 3 layers, and lowest level is 200 ~ 400 mesh troilite
The mixture of slag and oxidant, middle layer are the mixtures of 20 ~ 40 mesh pyrite cinders and oxidant, and top layer is untreated
The mixture of the pyrite cinder and oxidant crossed；The mass ratio of pyrite cinder and oxidant is 5:0.8 ~ 1.2；
(4) periodically neutralization material layer is sprayed；
The spray frequency is 2 ~ 4 days primary, and spray is moistened excessively every time with neutralization materials layer and impermeable degree is advisable；
The spray uses one of decomposed rice washing water, wood vinegar or arbitrarily than a variety of；Wherein decomposed rice washing water be
Apple skin is added in the rice washing water of collection, in the sun exposure 10 ~ 20 days, is then filtered to remove filter residue, filtrate clear water dilution 10 ~
100 times are made, wherein every liter of rice washing water adds the apple skin of 40 ~ 60g；Wood vinegar is that bamboo destructive distillation during preparing bamboo charcoal obtains
The supernatant liquid arrived, the pH of wood vinegar are 2 ~ 4, and wood vinegar clear water uses after diluting 10 ~ 100 times；
(5) when the pH of the red mud mixture of bottom is 6 ~ 9, neutralization materials layer is removed, treated red mud mixture and will be protected
Water material is uniformly mixed to arrive the red mud of soil.
Beneficial effects of the present invention:
1, the present invention produces the effect of acid using pyrite slag oxidation, can reduce the alkalinity of red mud；
2, the present invention is using the agriculture organic matter such as water hyacinth, water duckweed, swamp cabbage, water peanut, in the fermentation process of organic matter,
The humic acid of generation can play the role of red mud dealkalization and increase red mud fertility.For example, water duckweed can increase the soil of red mud
The moisture content of earth loosening degree, water hyacinth is higher, and the later period, which decomposes the moisture released, can increase the moisture content in red mud later period,
These organic matter residues also have the function of water conservation simultaneously；
3, the present invention utilizes water-keeping material, and the acid water of the sulfur acid under troilite powder seeps can be maintained with maximum, prevents from waving
Hair；
4, the present invention is mixed using pyrolusite powder and pyrite cinder, using the catalytic performance of manganese, accelerates troilite
Slag reacts the rate for generating sulfuric acid with air and water, improves the speed of dealkalize during red mud soil；
5, red mud mixture, water-keeping material, neutralization materials layering are laid with by the present invention, ensure that last red mud can be with troilite
The normal separation of slag, is not likely to produce other pollutions.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but the present invention is limited in any way,
Based on present invention teach that it is made it is any transform or replace, all belong to the scope of protection of the present invention.
Following embodiments select 9m2Common soil build experimental site.
Embodiment 1: this is as follows using the method for pyrite cinder soil red mud:
Red mud and swamp cabbage are mixed to get red mud mixture by the ratio of 7:3 in mass ratio, and are laid on experimental site, are laid with
With a thickness of 30cm, sawdust is then laid with above red mud mixture as water-keeping material, laying with a thickness of 10cm, water-keeping material
Upper geotextiles are padded in layer top, then the mixture (mass ratio 5:0.8) of pyrite cinder and pyrolusite powder is laid on water conservation material
Expect upper layer, laying with a thickness of 7cm；Every three days, with decomposed rice washing water, (decomposed rice washing water was added in the rice washing water of collection
Apple skin, exposure 10 days, are then filtered to remove filter residue, filtrate clear water dilutes 10 times and is made, wherein every liter of rice washing water in the sun
Add the apple skin of 50g) it sprays to neutralizing material layer, keep red mud mixture layer to be in moisture state and impermeable,
It takes the red mud mixture of bottom to be measured after three months, is measured using the measuring method (NY/T 1121.2-2006) of soil pH
Red mud pH after improvement, obtaining pH value is 9；Using in red mud after soil organism measuring method (GB 9834-88) measurement improvement
The content of organic matter, the red mud content of organic matter after improvement are 2%, finally raise the neutralization materials layer that geotextiles take away top layer, will protect
Water material and red mud mixture take out mixing and obtain the red mud of soil.
Embodiment 2: this is as follows using the method for pyrite cinder soil red mud:
The ratio of 7:3 mixes red mud with water hyacinth in mass ratio, is laid on experimental site, laying depth 35cm, then
Be laid with sawdust above red mud mixture and be used as water-keeping material, laying with a thickness of 8cm, pad is upper geotechnological above water-keeping material layer
Cloth is laid with neutralization materials in the top of water-keeping material, and neutralization materials layer is arranged 3 layers, lowest level be 200 mesh pyrite cinders with it is soft
The mixture of manganese mineral powder, middle layer are the mixtures of 30 mesh pyrite cinders and pyrolusite powder, and top layer is untreated sulphur
The mass ratio of the compound of iron ore slag and pyrolusite powder, pyrite cinder and pyrolusite powder is 5:0.9；Every three days with decomposed
(decomposed rice washing water is that apple skin is added in the rice washing water of collection to rice washing water, in the sun exposure 15 days, is then filtered to remove filter
Slag, filtrate clear water dilute 20 times and are made, wherein the apple skin of every liter of rice washing water addition 60g) (wood vinegar is that bamboo exists with wood vinegar
The supernatant liquid that destructive distillation during bamboo charcoal obtains is prepared, the pH of wood vinegar is 3, and wood vinegar clear water uses after diluting 30 times) alternately
It is sprayed to material layer is neutralized, keeps red mud mixture layer to be in moisture state and impermeable, take bottom after three months
Red mud mixture is measured, the red mud pH after being improved using measuring method (NY/T 1121.2-2006) measurement of soil pH,
Obtaining pH value is 8.2；Using the content of organic matter in red mud after soil organism measuring method (GB 9834-88) measurement improvement, change
The red mud content of organic matter after good is 2.3%, finally raises the neutralization materials layer that geotextiles take away top layer, by water-keeping material and red
Mud mixture takes out mixing and obtains the red mud of soil.
Embodiment 3: this is as follows using the method for pyrite cinder soil red mud:
Red mud and water hyacinth are mixed to get red mud mixture by the ratio of 6:4 in mass ratio, and are laid on experimental site, are laid with
With a thickness of 50cm, cocoanut shell is then laid with above red mud mixture and is used as water-keeping material, laying with a thickness of 5cm, water conservation material
Upper geotextiles are padded above the bed of material, are laid with neutralization materials in the top of water-keeping material, neutralization materials layer is arranged 3 layers, and lowest level is 300
The mixture of mesh pyrite cinder and pyrolusite powder, middle layer is the mixture of 20 mesh pyrite cinders and pyrolusite powder, most upper
Layer is the compound of untreated pyrite cinder and pyrolusite powder, and the mass ratio of pyrite cinder and pyrolusite powder is 5:
1.0；Every 2 days, with decomposed rice washing water, (decomposed rice washing water was that apple skin is added in the rice washing water of collection, in the sun exposure 20
It, is then filtered to remove filter residue, and filtrate clear water dilutes 50 times and is made, wherein the apple skin of every liter of rice washing water addition 45g) and the wooden vinegar
(wood vinegar is the supernatant liquid that bamboo destructive distillation during preparing bamboo charcoal obtains to liquid, and the pH of wood vinegar is 4, and wood vinegar clear water is dilute
Used after releasing 50 times) alternately spray to neutralizing material layer, keep red mud mixture layer to be in moisture state and impermeable,
It takes the red mud mixture of bottom to be measured after three months, is measured using the measuring method (NY/T 1121.2-2006) of soil pH
Red mud pH after improvement, obtaining pH value is 8；Using in red mud after soil organism measuring method (GB 9834-88) measurement improvement
The content of organic matter, the red mud content of organic matter after improvement are 2.7%, finally raise the neutralization materials layer that geotextiles take away top layer, will
Water-keeping material and red mud mixture take out mixing and obtain the red mud of soil.
Embodiment 4: this is as follows using the method for pyrite cinder soil red mud:
Red mud and water peanut are mixed to get red mud mixture by the ratio of 4:1 in mass ratio, and are laid on experimental site, are laid with
With a thickness of 40cm, pigeon-wheat is then laid with above red mud mixture and is used as water-keeping material, laying with a thickness of 7cm, water conservation material
Upper geotextiles are padded above the bed of material, are laid with neutralization materials in the top of water-keeping material, neutralization materials layer is arranged 3 layers, and lowest level is 400
The mixture of mesh pyrite cinder and pyrolusite powder, middle layer is the mixture of 40 mesh pyrite cinders and pyrolusite powder, most upper
Layer is the compound of untreated pyrite cinder and pyrolusite powder, and the mass ratio of pyrite cinder and pyrolusite powder is 5:
1.0；Every 4 days, with decomposed rice washing water, (decomposed rice washing water was that apple skin is added in the rice washing water of collection, in the sun exposure 20
It, is then filtered to remove filter residue, and filtrate clear water dilutes 80 times and is made, wherein the apple skin of every liter of rice washing water addition 50g) and the wooden vinegar
(wood vinegar is the supernatant liquid that bamboo destructive distillation during preparing bamboo charcoal obtains to liquid, and the pH of wood vinegar is 4, and wood vinegar clear water is dilute
Used after releasing 80 times) alternately spray to neutralizing material layer, keep red mud mixture layer to be in moisture state and impermeable,
It takes the red mud mixture of bottom to be measured after three months, is measured using the measuring method (NY/T 1121.2-2006) of soil pH
Red mud pH after improvement, obtaining pH value is 7.6；Using in red mud after soil organism measuring method (GB 9834-88) measurement improvement
The content of organic matter, the red mud content of organic matter after improvement is 4%, finally raises the neutralization materials layer that geotextiles take away top layer, will
Water-keeping material and red mud mixture take out mixing and obtain the red mud of soil.
Embodiment 5: this is as follows using the method for pyrite cinder soil red mud:
Red mud and water hyacinth are mixed to get red mud mixture by the ratio of 2:1 in mass ratio, and are laid on experimental site, are laid with
With a thickness of 45cm, amargosa is then laid with above red mud mixture and is used as water-keeping material, laying with a thickness of 8cm, be retained
Upper geotextiles are padded above material layer, are laid with neutralization materials in the top of water-keeping material, neutralization materials layer is arranged 3 layers, and lowest level is
The mixture of 250 mesh pyrite cinders and pyrolusite powder, middle layer are the mixtures of 25 mesh pyrite cinders and pyrolusite powder, most
Upper layer is the compound of untreated pyrite cinder and pyrolusite powder, and the mass ratio of pyrite cinder and pyrolusite powder is 5:
1.2；Every 3 days, with wood vinegar, (wood vinegar was the supernatant liquid that bamboo destructive distillation during preparing bamboo charcoal obtains, the pH of wood vinegar
It is 3, wood vinegar clear water uses after diluting 50 times) neutralization material layer is sprayed, keep red mud mixture layer to be in wet
State and impermeable, takes the red mud mixture of bottom to be measured, uses the measuring method (NY/T of soil pH after three months
1121.2-2006) the red mud pH after measurement improvement, obtaining pH value is 7.4；It uses soil organism measuring method (GB 9834-88)
The content of organic matter after measurement improvement in red mud, the red mud content of organic matter after improvement are 4%, finally raise geotextiles and take away top
Water-keeping material and red mud mixture are taken out mixing and obtain the red mud of soil by the neutralization materials layer of layer.
Claims (12)
1. a kind of method using pyrite slag soil red mud, it is characterised in that the following steps are included:
(1) red mud to be processed and biomass are uniformly mixed to get red mud mixture, and are laid on bottom；
(2) water-keeping material is uniformly laid in the top of red mud mixture；
(3) neutralization materials are laid in the top of water-keeping material, neutralization materials are the mixture of pyrite cinder and oxidant, water conservation
Geotextiles are equipped between material and neutralization materials；
(4) periodically neutralization materials are sprayed；
(5) when the pH of the red mud mixture of bottom is 6 ~ 9, neutralization materials layer is removed, treated red mud mixture and will be protected
Water material is uniformly mixed to arrive the red mud of soil.
2. the method according to claim 1 using pyrite slag soil red mud, it is characterised in that: biomass is agriculture
Woods organic matter.
3. the method according to claim 2 using pyrite slag soil red mud, it is characterised in that: agricultural organic matter
For one of water hyacinth, water duckweed, swamp cabbage, water peanut, Mikania micrantha, pine needle, Folium Pterocaryae, Poplar leaves, Chinese silvergrass or arbitrarily
Than a variety of.
4. the method according to claim 1 using pyrite slag soil red mud, it is characterised in that: red mud and biology
The mixed proportion of matter is mass ratio 6 ~ 8:2 ~ 4, and the laying depth of red mud mixture is 30 ~ 50cm.
5. the method according to claim 1 using pyrite slag soil red mud, it is characterised in that: water-keeping material is
One of sawdust, cocoanut shell, pigeon-wheat, amargosa or arbitrarily than a variety of, the laying depth of water-keeping material are 5 ~ 10cm.
6. the method according to claim 1 using pyrite slag soil red mud, it is characterised in that: neutralization materials
Laying depth is 7 ~ 10cm, and neutralization materials layer is arranged 3 layers, and lowest level is the mixing of 200 ~ 400 mesh pyrite cinders and oxidant
Object, middle layer are the mixtures of 20 ~ 40 mesh pyrite cinders and oxidant, and top layer is untreated pyrite cinder and oxygen
The mixture of agent.
7. the method according to claim 1 or 6 using pyrite slag soil red mud, it is characterised in that: troilite
The mass ratio of slag and oxidant is 5:0.8 ~ 1.2.
8. the method according to claim 7 using pyrite slag soil red mud, it is characterised in that: oxidant is soft
Manganese mineral powder.
9. the method according to claim 1 using pyrite slag soil red mud, it is characterised in that: spray frequency is
2 ~ 4 days primary, and spray is moistened excessively every time with red mud mixture layer and impermeable degree is advisable.
10. the method according to claim 1 using pyrite slag soil red mud, it is characterised in that: spray uses
Be one of decomposed rice washing water, wood vinegar or arbitrarily than a variety of.
11. the method according to claim 10 using pyrite slag soil red mud, it is characterised in that: decomposed rice washing
Water is that apple skin is added in the rice washing water of collection, in the sun exposure 10 ~ 20 days, is then filtered to remove filter residue, filtrate clear water
10 ~ 100 times of dilution are made, wherein every liter of rice washing water adds the apple skin of 40 ~ 60g.
12. the method according to claim 10 using pyrite slag soil red mud, it is characterised in that: wood vinegar is
The supernatant liquid that bamboo destructive distillation during preparing bamboo charcoal obtains, the pH of wood vinegar are 2 ~ 4, and wood vinegar clear water dilutes 10 ~ 100 times
After use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910191332.5A CN110090845B (en) | 2019-03-14 | 2019-03-14 | Method for converting red mud into soil by using pyrite cinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910191332.5A CN110090845B (en) | 2019-03-14 | 2019-03-14 | Method for converting red mud into soil by using pyrite cinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110090845A true CN110090845A (en) | 2019-08-06 |
| CN110090845B CN110090845B (en) | 2021-10-15 |
Family
ID=67444026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910191332.5A Expired - Fee Related CN110090845B (en) | 2019-03-14 | 2019-03-14 | Method for converting red mud into soil by using pyrite cinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110090845B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482821A (en) * | 2019-08-13 | 2019-11-22 | 昆明理工大学 | The circulating water type dealkalize system and dealkalization method of a kind of sulfur-bearing tailing to red mud |
| CN110484270A (en) * | 2019-08-26 | 2019-11-22 | 广东佳德环保科技有限公司 | A kind of soil-repairing agent, soil remediation material and preparation method |
| CN110819798A (en) * | 2019-11-21 | 2020-02-21 | 昆明理工大学 | Red mud and sulfide mineral co-processing and resource utilization method |
| CN110918600A (en) * | 2019-11-21 | 2020-03-27 | 昆明理工大学 | Method for rapid biochemical dealkalization and soil formation of red mud |
| CN113262422A (en) * | 2021-06-10 | 2021-08-17 | 西南交通大学 | Combined dealkalizing agent and method for combined dealkalized red mud |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548251A (en) * | 2003-05-23 | 2004-11-24 | 桂林矿产地质研究院 | Red mud tillage layer soil for re-cultivation in mine and its making process |
| KR101067473B1 (en) * | 2011-03-31 | 2011-09-27 | 유기정 | The greener recycled soil composition and its manufacturing method using waste materials |
| CN102671906A (en) * | 2012-05-05 | 2012-09-19 | 段明丰 | Method for processing coal gangue and red mud |
| CN103806454A (en) * | 2014-02-14 | 2014-05-21 | 北京矿冶研究总院 | Method for pollution control and vegetation recovery of metal sulfide ore solid waste storage yard |
| CN205557446U (en) * | 2016-04-14 | 2016-09-07 | 辽宁工业大学 | Tailings dam structure |
| CN109304352A (en) * | 2018-09-27 | 2019-02-05 | 仲恺农业工程学院 | A kind of restoration methods of troilite abandoned mine vegetation |
-
2019
- 2019-03-14 CN CN201910191332.5A patent/CN110090845B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548251A (en) * | 2003-05-23 | 2004-11-24 | 桂林矿产地质研究院 | Red mud tillage layer soil for re-cultivation in mine and its making process |
| KR101067473B1 (en) * | 2011-03-31 | 2011-09-27 | 유기정 | The greener recycled soil composition and its manufacturing method using waste materials |
| CN102671906A (en) * | 2012-05-05 | 2012-09-19 | 段明丰 | Method for processing coal gangue and red mud |
| CN103806454A (en) * | 2014-02-14 | 2014-05-21 | 北京矿冶研究总院 | Method for pollution control and vegetation recovery of metal sulfide ore solid waste storage yard |
| CN205557446U (en) * | 2016-04-14 | 2016-09-07 | 辽宁工业大学 | Tailings dam structure |
| CN109304352A (en) * | 2018-09-27 | 2019-02-05 | 仲恺农业工程学院 | A kind of restoration methods of troilite abandoned mine vegetation |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482821A (en) * | 2019-08-13 | 2019-11-22 | 昆明理工大学 | The circulating water type dealkalize system and dealkalization method of a kind of sulfur-bearing tailing to red mud |
| CN110484270A (en) * | 2019-08-26 | 2019-11-22 | 广东佳德环保科技有限公司 | A kind of soil-repairing agent, soil remediation material and preparation method |
| CN110484270B (en) * | 2019-08-26 | 2021-10-29 | 广东佳德环保科技有限公司 | Soil remediation agent, soil remediation material and preparation method |
| CN110819798A (en) * | 2019-11-21 | 2020-02-21 | 昆明理工大学 | Red mud and sulfide mineral co-processing and resource utilization method |
| CN110918600A (en) * | 2019-11-21 | 2020-03-27 | 昆明理工大学 | Method for rapid biochemical dealkalization and soil formation of red mud |
| CN113262422A (en) * | 2021-06-10 | 2021-08-17 | 西南交通大学 | Combined dealkalizing agent and method for combined dealkalized red mud |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110090845B (en) | 2021-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110090845A (en) | A method of utilizing pyrite slag soil red mud | |
| CN101439997B (en) | Preparation of seaweed organic fertilizer | |
| CN105802637A (en) | Soil heavy metal passivator, preparation method thereof, and passivation method thereof on soil cadmium | |
| CN107417403A (en) | A kind of salt resistance alkali long-term stability fertilizer and preparation method thereof | |
| CN102775206A (en) | Method for preparing improved matrix capable of improving urban soil properties | |
| CN107182509B (en) | Method for promoting organization of saline-alkali barren soil by utilizing compound microorganisms | |
| CN105198633A (en) | Fertilizer for rapidly restoring frost tealeaves and preparation method thereof | |
| CN108587632A (en) | A kind of shell waste soil conditioner and the preparation method and application thereof | |
| CN103058738A (en) | Method for preparing phosphate fertilizer soil conditioner by using phosphate tailings and acidic wastewater | |
| CN109776236A (en) | A kind of preparation method improveing acidic soil conditioner | |
| CN105018102A (en) | Red mud modifier | |
| CN104109050A (en) | Plant growing medium produced by using reverse flotation phosphate tailing and preparation method thereof | |
| CN107200645A (en) | A kind of bioactivation enzymolysis phosphorus agent containing bacillus licheniformis and preparation method thereof | |
| CN107698363A (en) | Expelling parasite type fertilizer synergistic conditioning agent and its production method | |
| CN107721657A (en) | A kind of solid fertilizer synergist and its production method | |
| CN106747937A (en) | Chinese garden planting soil that a kind of utilization discarded object makes and preparation method thereof | |
| CN106083246A (en) | A kind of saline land greening special fertilizer and preparation, application process | |
| CN103058717A (en) | Heavy metal treatment technology for heavy metal adsorption, dehydration and fertilizer preparation | |
| AU2018272902B2 (en) | Stable humus-water storage hybrid | |
| CN109574723A (en) | A kind of organic fertilizer and preparation method thereof using plantation mushroom obsolete fungus stick | |
| CN117716829A (en) | Method for changing stony desertification land into black land by using solid waste coal gangue phosphogypsum | |
| CN117362124A (en) | Method for preparing artificial black soil by decarbonizing and impurity removing coal gangue | |
| CN113248333A (en) | Granular soil conditioner for composite heavy metal pollution and preparation method thereof | |
| CN102675000A (en) | Method for preparing soil culture medium suitable for growth of plants in industrial alkaline tailings dam | |
| CN112624857A (en) | Ecological restoration base material for restoring mine wasteland and preparation method 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |