CN110484266A - A kind of sludge base soil conditioner and preparation method thereof - Google Patents
A kind of sludge base soil conditioner and preparation method thereof Download PDFInfo
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- CN110484266A CN110484266A CN201910673435.5A CN201910673435A CN110484266A CN 110484266 A CN110484266 A CN 110484266A CN 201910673435 A CN201910673435 A CN 201910673435A CN 110484266 A CN110484266 A CN 110484266A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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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
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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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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- 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
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses a kind of sludge base soil conditioners and preparation method thereof, belong to solid wastes recycling and alkaline land soil recovery technique field；Steps are as follows: (1) using municipal sludge as raw material, using sawdust as auxiliary material, adding heavy metal composite passivant；The additive amount of heavy metal composite passivant is the 1%~20% of municipal sludge dry weight；Heavy metal composite passivant is the mixture of rich phosphorus tailings and ardealite, and the mass ratio of rich phosphorus tailings and ardealite is 5:1~50:1；(2) raw material is thoroughly mixed uniformly, heap body in heaps, covers geotechnological non-woven fabrics heat preservation；(3) before heap body is warming up to 45-65 DEG C, every turning in 1-5 days is primary, and after being warming up to 45-65 DEG C, every turning in 1-3 days is primary, is wherein kept for 3-10 days for 45-65 DEG C of heap body or more, and total duration is 15-25 days；(4) after 15-25 days, heap embodiment field is 15-25 days naturally decomposed, obtains the sludge base soil conditioner suitable for salt-soda soil.This sludge base soil conditioner and preparation method thereof the treatment of wastes with processes of wastes against one another, resource symbiosis realize the resource utilization of sludge.
Description
Technical field
The present invention relates to a kind of sludge base soil conditioners and preparation method thereof, belong to solid wastes recycling and alkaline land soil
Recovery technique field.
Background technique
Excess sludge increases sharply with the increase of Municipal wastewater treatment rate.Since excess sludge usually contains phase
The poisonous and harmful substance (such as parasitic ovum, pathogenic microorganism, heavy metal) of equivalent and not stabilized organic matter, if without
Appropriate processing and disposition, it will direct or potential pollution is caused to environment, thus, sludge it is appropriate disposition increasingly by
Public concern.At the same time, sludge is enriched in sewage about 55% organic matter, 30~45% nitrogen and 85~95% phosphorus and dimension
The various trace elements of plant normal growth development are held, as being recycled using proper technology, sludge will become one kind
Important resource.
Disclosed on June 6th, 2017, number of patent application CN201710020819.8, invention and created name are " with municipal administration
Sludge be main matrix recovery of ecologic environment in a mine nutrition earthing and preparation method thereof " Chinese invention patent application disclose with city
Political affairs sludge is the recovery of ecologic environment in a mine nutrition earthing and preparation method thereof of main matrix.In the preparation method, the mine is prepared
The raw material of ecological recovery nutrition earthing includes dehydration municipal sludge and air-dried branch；The quality of the air-dried branch is the dehydration
The 30%~40% of municipal sludge.The raw material further includes yellow phosphorus furnace slag；The quality of the yellow phosphorus furnace slag is the dehydration municipal administration
The 0~150% of sludge.The raw material further includes collophane tailing；The quality of the collophane tailing is that the dehydration municipal administration is dirty
The 0~20% of mud.Preparation step is as follows: 1) heap body in heaps after mixing raw material, carries out one after thermal insulation material is covered in heap body surface face
Secondary fermentation；2) product after one time fermentation is opened wide into accumulation, obtains the nutrition earthing.But the shortcomings that technical solution, exists
In: the ecological recovery of phosphate mine should although can be improved using municipal sludge as the recovery of ecologic environment in a mine nutrition earthing of main matrix
Efficiency, but its basicity is high, is not used to the improvement of alkaline land soil environment.
At the same time, a large amount of salt-soda soil is contained in China, and porosity is smaller, and soil is easy to harden, and pH value is high, aeration and
Water penetration is bad, and the content of organic matter and nutrient content are lower, and the activity of enzyme is suppressed, to influence Soil Microorganism
Vital activity, it is difficult to develop and use.According to Research statistics, about 5.54 hundred million mu of salinized soil area.So far, China also
Want 80% or so salt affected soil that development and utilization are not yet received.Therefore, the development and utilization of the saline-alkali wasteland of large area and prevent be
Solve an important channel of 21 century China Greening problem.
It is that primary raw material prepares sludge base soil conditioner using municipal sludge, improves alkaline land soil environment, promote salt
Alkali structure of soil microbial community and soil ecosystem reconstruct, realize the ecological recovery in salt-soda soil and the money of municipal sludge
Sourceization utilizes, and has significant collaboration Symbiotic effectiveness.However, the potential Ecological Environment Risk of heavy metal contained by sludge constrains it
Application in salt-soda soil, the higher pH of alkaline land soil can promote the dissolution of organic matter in sludge composting product and with a huge sum of moneys
The release of category increases environmental risk.
Therefore it provides a kind of sludge base soil conditioner of saline-alkaline soil and preparation method thereof, uses the dirt of sewage treatment plant
Mud, rich phosphorus waste residue etc. prepare soil conditioner of saline-alkaline soil as raw material, and synchronize heavy metal-passivated.
Summary of the invention
An object of the present invention is to provide a kind of sludge base soil conditioner, by carry out during sludge composting into
The processing of one step solves the problems, such as heavy metal release of the sludge composting product when high pH is applied, realizes the recycling of municipal sludge
Utilize the ecological recovery with salt-soda soil.
Above-mentioned purpose of the invention reaches by the following technical programs:
A kind of sludge base soil conditioner, it is as follows to prepare raw material: using municipal sludge as raw material, using sawdust as auxiliary material, adding
Aggravate metal composite passivator；The additive amount of heavy metal composite passivant is the 1%~20% of municipal sludge dry weight；Heavy metal is multiple
Passivator is closed as the mixture of rich phosphorus tailings and ardealite, the mass ratio of the richness phosphorus tailings and ardealite is 5:1~50:1.
Preferably, the sawdust is the 5%~15% of municipal sludge dry weight.
Preferably, the sawdust is the 9%~11% of municipal sludge dry weight.
Preferably, the mass ratio of the rich phosphorus tailings and ardealite is 10:1.
Preferably, the particle size range of the rich phosphorus tailings is 1mm~10mm.
Preferably, the ardealite particle size range is 0.01mm~5mm.
Preferably, the moisture content of the municipal sludge is 60-85%, and the sawdust moisture content is 50% hereinafter, described heavy
Metal composite passivator moisture content is 40% or less.
Preferably, the particle size range of the sawdust is 1-20mm.
Preferably, the particle size range of the sawdust is 3-5mm.
Preferably, the particle size range of the heavy metal composite passivant is 0.1mm~10mm.
Preferably, the additive amount of the heavy metal composite passivant is the 10% of municipal sludge dry weight.
It is a further object of the present invention to provide a kind of preparation methods of above-mentioned sludge base soil conditioner.
Reach by the following technical programs for above-mentioned purpose of the invention:
A kind of preparation method of sludge base soil conditioner, its step are as follows:
(1) raw material: using municipal sludge as raw material, using sawdust as auxiliary material, heavy metal composite passivant is added；Heavy metal is compound
The additive amount of passivator is the 1%~20% of municipal sludge dry weight；Heavy metal composite passivant is rich phosphorus tailings and ardealite
The mass ratio of mixture, the richness phosphorus tailings and ardealite is 5:1~50:1；
(2) raw material is thoroughly mixed uniformly, heap body in heaps, covers geotechnological non-woven fabrics heat preservation；
(3) before heap body is warming up to 45-65 DEG C, every turning in 1-5 days is primary, after being warming up to 45-65 DEG C, every turning in 1-3 days one
It is secondary, it is wherein kept for 3-10 days for 45-65 DEG C of heap body or more, total duration is 15-25 days；
(4) after 15-25 days, heap embodiment field is 15-25 days naturally decomposed, obtains sludge base soil conditioner.
Preferably, the mass ratio of richness phosphorus tailings described in the step (1) and ardealite is 10:1, suitable richness phosphorus tailings and
Ardealite ratio is capable of forming phosphate acid-base buffer system, increases the buffer capacity of sludge composting product.
Preferably, the particle size range of richness phosphorus tailings described in the step (1) is 1mm~10mm, institute in the step (1)
Stating ardealite particle size range is 0.01mm~5mm.
Preferably, the moisture content of municipal sludge described in the step (1) is 60-85%, and the sawdust moisture content is
50% hereinafter, the heavy metal composite passivant moisture content is 40% or less.
Preferably, the particle size range of sawdust described in the step (1) is 1-20mm.
Preferably, the particle size range of heavy metal composite passivant described in the step (1) is 0.1mm~10mm.
Preferably, heap body described in the step (2) is no more than 1.2m high.
Preferably, the step (3) is specific as follows: before heap body is warming up to 55 DEG C, every turning in 3 days is primary, is warming up to 55 DEG C
Afterwards, every turning in 2 days is primary, is wherein kept for 5 days for 55 DEG C of heap body or more, and total duration is 20 days；Guarantee harmful microbe in sludge
Inactivation is abundant decomposed with sludge.
Preferably, the step (4) is specific as follows: after 20 days, heap embodiment field is 20 days naturally decomposed, obtains sludge base soil
Conditioner.
Preferably, the moisture content of municipal sludge described in the step (1) is 80%, and suitable moisture content can promote dirt
The heating of mud composting process；The sawdust moisture content is 25%, advantageously reduces the moisture content of initial heap body during sludge composting.
Preferably, the additive amount of heavy metal composite passivant described in the step (1) is the 10% of municipal sludge dry weight,
Promote the pH value for reducing composting production while heavy metal passivation, is conducive to the pH value for neutralizing alkaline land soil.
Preferably, the particle size range of sawdust described in the step (1) is 3-5mm, and suitable sawdust partial size is able to maintain dirt
The porosity of mud composting process promotes the diffusion of oxygen, improves heap body heating rate.
Preferably, richness phosphorus tailings particle size range described in the step (1) is 3mm, and ardealite particle size range is 0.05mm,
Suitable particle size range can be ensured to be uniformly mixed in sludge, phosphate ore substance is formed with the heavy metal in sludge, to a huge sum of money
Belong to sufficiently passivation.
Preferably, the addition time of heavy metal composite passivant described in the step (1) is the 1-10 of composting process
Any one day in it.
Preferably, the addition time of heavy metal composite passivant described in the step (1) is the 1st day of composting process,
Guarantee that heavy metal composite passivant has sufficient time and heavy metal complexing to be passivated.
Preferably, heap body initial aqueous rate is 55~65%, further preferably, heap body initial aqueous in the step (2)
Rate is 60%, and suitable moisture content is conducive to the heating of heap body and keeps gas permeability.
Preferably, the initial carbon-nitrogen ratio of heap body is 20:1~35:1 in the step (2), further preferably, at the beginning of the heap body
Beginning carbon-nitrogen ratio is 30:1, guarantees the fast-growth of aerobic microbiological, improves heap temperature.
Preferably, the aerobic fermentation period is 20-40 days, and temperature of charge maintains 55 DEG C or more 3~10 days, further preferably
The aerobic fermentation period is 40 days, and it is 5 days that temperature of charge, which maintains 55 DEG C,.
Another object of the present invention is to provide a kind of application of above-mentioned sludge base soil conditioner.
Above-mentioned purpose of the invention reaches by the following technical programs:
Application of the above-mentioned sludge base soil conditioner in alkaline land soil.
Preferably, the pH range of the alkaline land soil is 8~11, and the pH range of further preferably alkaline land soil is
8~9, guarantee the safety of heavy metal in substrate soil.
Preferably, the dosage of the sludge base soil conditioner be 1 ton/mu~10 ton/mu, further preferably salt-soda soil
The dosage of soil conditioner be 5 ton/mu~6 ton/mu.
Beneficial effects of the present invention:
(1) present invention is using municipal sludge as raw material, using wastes such as rich phosphorus tailings and ardealites as heavy metal deactivator, system
Standby salt-soda soil substrate soil, the treatment of wastes with processes of wastes against one another, resource symbiosis realize the recycling of sludge.
(2) present invention is further passivated the heavy metal in sludge using rich phosphorus tailings and ardealite, lowers heavy metal
Risk is migrated, its ecological security is improved.
(3) present invention is raw material using rich phosphorus tailings and ardealite, constructs phosphate buffer, reduces sludge composting and produces
While product pH, its buffer capacity to acid and alkali is improved, it can be in safely use and alkaline land soil.
Below by specific embodiment, the present invention will be further described, but is not meant to the scope of the present invention
Limitation.
Specific embodiment
Comparative example 1
Sludge tradition aerobic fermentation process raw material and proportion: municipal sludge 500kg, moisture content 80%；Sawdust 200kg contains
Water rate is 30%, partial size 2-4mm.
Raw material is sufficiently stirred, is uniformly mixed, the heap body no more than 1.2m high is piled, covers geotechnological non-woven fabrics heat preservation, heap
Before body is warming up to 55 DEG C, every turning in 3 days is primary, and after being warming up to 55 DEG C, every turning in 2 days is primary, wherein 55 DEG C of heap body or more keep
5 days, total duration was 20 days；After 20 days, heap embodies field naturally decomposed 20 days to get to comparison sludge composting product, is used for saline and alkaline
Land soil.
Embodiment 1
The preparation method (sludge aerobic zymotechnique raw material and proportion) of sludge base soil conditioner of the invention: municipal administration is dirty
Mud 500kg, moisture content 80%；Sawdust 150kg, moisture content 30%, partial size 2-4mm；Heavy metal composite passivant 100kg
(wherein, rich phosphorus tailings 90kg, partial size 3mm；Ardealite 10kg, partial size 0.5mm), the addition time is the 1st day.
Raw material is sufficiently stirred, is uniformly mixed, the heap body no more than 1.2m high is piled, covers geotechnological non-woven fabrics heat preservation, heap
Before body is warming up to 55 DEG C, every turning in 3 days is primary, and after being warming up to 55 DEG C, every turning in 2 days is primary, wherein 55 DEG C of heap body or more keep
5 days, total duration was 20 days；After 20 days, heap embodies field naturally decomposed 20 days to get sludge base soil conditioner 1 is arrived, for saline and alkaline
Land soil, dosage is 5 tons per acre.
Embodiment 2
The preparation method (sludge aerobic zymotechnique raw material proportioning) of sludge base soil conditioner of the invention: municipal sludge
500kg, moisture content 80%；Sawdust 150kg, moisture content 30%, partial size 2-4mm；Heavy metal composite passivant 100kg
(wherein, rich phosphorus tailings 80kg, partial size 3mm；Ardealite 20kg, partial size 0.5mm), the addition time is the 1st day.
Raw material is sufficiently stirred, is uniformly mixed, the heap body no more than 1.2m high is piled, covers geotechnological non-woven fabrics heat preservation, heap
Before body is warming up to 55 DEG C, every turning in 3 days is primary, and after being warming up to 55 DEG C, every turning in 2 days is primary, wherein 55 DEG C of heap body or more keep
5 days, total duration was 20 days；After 20 days, heap embodies field naturally decomposed 20 days to get sludge base soil conditioner 2 is arrived, for saline and alkaline
Land soil, dosage is 6 tons per acre.
Embodiment 3
The preparation method (sludge aerobic zymotechnique raw material proportioning) of sludge base soil conditioner of the invention: municipal sludge
500kg, moisture content 80%；Sawdust 120kg, moisture content 30%, partial size 2-4mm；Heavy metal composite passivant 80kg (its
In, rich phosphorus tailings 60kg, partial size 3mm；Ardealite 20kg, partial size 0.5mm), the addition time is the 1st day.
Raw material is sufficiently stirred, is uniformly mixed, the heap body no more than 1.2m high is piled, covers geotechnological non-woven fabrics heat preservation, heap
Before body is warming up to 55 DEG C, every turning in 3 days is primary, and after being warming up to 55 DEG C, every turning in 2 days is primary, wherein 55 DEG C of heap body or more keep
5 days, total duration was 20 days；After 20 days, heap embodies field naturally decomposed 20 days to get sludge base soil conditioner 2 is arrived, for saline and alkaline
Land soil, per acre 5 tons of dosage.
Wherein, sludge base soil conditioner property see the table below 1.
1 sludge base soil conditioner property of table
As it can be seen from table 1 compared with sludge tradition aerobic fermentation process raw material and proportion, sludge base soil of the invention
Conditioner all has clear improvement in terms of the pH and seed germination index for adjusting alkaline land soil.
In addition, Leaching of Heavy Metals concentration (μ g/L) (solid-to-liquid ratio 1:10) see the table below 2 in substrate soil.
Leaching of Heavy Metals concentration (μ g/L) (solid-to-liquid ratio 1:10) in 2 substrate soil of table
From table 2 it can be seen that compared with sludge tradition aerobic fermentation process raw material and proportion, sludge base soil of the invention
Conditioner has in terms of Leaching of Heavy Metals in the substrate soil for adjusting alkaline land soil to be significantly improved.Illustrate, dirt of the invention
Mud base soil conditioner efficiently solves the problems, such as heavy metal release of the sludge composting product when high pH environment is applied, and realizes
The resource utilization of municipal sludge and the ecological recovery in salt-soda soil.
Claims (10)
1. a kind of sludge base soil conditioner, it is as follows to prepare raw material: using municipal sludge as raw material, using sawdust as auxiliary material, addition
Heavy metal composite passivant；The additive amount of heavy metal composite passivant is the 1%~20% of municipal sludge dry weight；Heavy metal is compound
Passivator is the mixture of rich phosphorus tailings and ardealite, and the mass ratio of the rich phosphorus tailings and ardealite is 5:1~50:1；It is described
Sawdust is the 5%~15% of municipal sludge dry weight.
2. sludge base soil conditioner according to claim 1, it is characterised in that: the matter of richness the phosphorus tailings and ardealite
For amount than being 10:1, the sawdust is the 9%~11% of municipal sludge dry weight.
3. sludge base soil conditioner according to claim 2, it is characterised in that: the particle size range of the richness phosphorus tailings is
1mm~10mm, the ardealite particle size range are 0.01mm~5mm.
4. sludge base soil conditioner according to claim 3, it is characterised in that: the moisture content of the municipal sludge is
60-85%, the sawdust moisture content is 50% hereinafter, the heavy metal composite passivant moisture content is 40% or less.
5. sludge base soil conditioner according to claim 4, it is characterised in that: the particle size range of the sawdust is 1-
20mm, the particle size range of the heavy metal composite passivant are 0.1mm~10mm.
6. sludge base soil conditioner according to claim 5, it is characterised in that: the particle size range of the sawdust is 3-
5mm, the additive amount of the heavy metal composite passivant are the 10% of municipal sludge dry weight.
7. the preparation method of sludge base soil conditioner described in any one of claim 1-6, its step are as follows:
(1) raw material: using municipal sludge as raw material, using sawdust as auxiliary material, heavy metal composite passivant is added；Heavy metal is composite passivated
The additive amount of agent is the 1%~20% of municipal sludge dry weight；The sawdust is the 5%~15% of municipal sludge dry weight；Heavy metal
Composite passivant is the mixture of rich phosphorus tailings and ardealite, and the mass ratio of the rich phosphorus tailings and ardealite is 5:1~50:1；
(2) raw material is thoroughly mixed uniformly, heap body in heaps, covers geotechnological non-woven fabrics heat preservation；
(3) before heap body is warming up to 45-65 DEG C, every turning in 1-5 days is primary, and after being warming up to 45-65 DEG C, every turning in 1-3 days is primary,
Middle 45-65 DEG C of heap body or more is kept for 3-10 days, and total duration is 15-25 days；
(4) after 15-25 days, heap embodiment field is 15-25 days naturally decomposed, obtains sludge base soil conditioner.
8. the preparation method of sludge base soil conditioner according to claim 7, it is characterised in that: in the step (1)
The mass ratio of the richness phosphorus tailings and ardealite is 10:1, the particle size range of richness phosphorus tailings described in the step (1) for 1mm~
10mm, ardealite particle size range described in the step (1) are 0.01mm~5mm.
9. the preparation method of sludge base soil conditioner according to claim 8, it is characterised in that: in the step (1)
The moisture content of the municipal sludge is 60-85%, and the sawdust moisture content is 50% hereinafter, the heavy metal composite passivant contains
Water rate is 40% hereinafter, the particle size range of sawdust described in the step (1) is 1-20mm, described in the step (1) with much money
The particle size range for belonging to composite passivant is 0.1mm~10mm, and heap body described in the step (2) is no more than 1.2m high, the step
Suddenly (3) are specific as follows: before heap body is warming up to 55 DEG C, every turning in 3 days is primary, and after being warming up to 55 DEG C, every turning in 2 days is primary, wherein
55 DEG C of heap body or more are kept for 5 days, and total duration is 20 days；Guarantee that harmful microbe is inactivated abundant decomposed with sludge in sludge,
The step (4) is specific as follows: after 20 days, heap embodiment field is 20 days naturally decomposed, obtains sludge base soil conditioner, the step
(2) heap body initial aqueous rate is 55~65% in, and further preferably, heap body initial aqueous rate is 60%, and suitable moisture content has
Conducive to the heating and holding gas permeability of heap body, the initial carbon-nitrogen ratio of heap body is 20:1~35:1 in the step (2), further excellent
Choosing, the initial carbon-nitrogen ratio of heap body are 30:1.
10. application of the sludge base soil conditioner in alkaline land soil described in any one of claim 1-6.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736470A (en) * | 2021-09-15 | 2021-12-03 | 昆明理工大学 | Method for preparing mining area soil conditioner from wet sludge in alpine and high-altitude areas |
| CN115141630A (en) * | 2021-08-19 | 2022-10-04 | 浙江尚源环境科技有限公司 | Sludge-based multipurpose soil conditioner and preparation method and application thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005272510A (en) * | 2004-03-23 | 2005-10-06 | Taguchi Gijutsu Kenkyusho:Kk | Soil solidification agent, method for solidifying soil, and solidified product of soil |
| CN1974497A (en) * | 2006-12-15 | 2007-06-06 | 章梦涛 | Sludge-spraying and seeding afforesting matrix |
| CN102153413A (en) * | 2011-05-06 | 2011-08-17 | 广西崇左市湘桂糖业有限公司 | Organic-inorganic compound fertilizer and preparation method thereof |
| CN102351589A (en) * | 2011-07-14 | 2012-02-15 | 李桓宇 | Bio-organic fertilizer produced by use of municipal sludge and production method thereof |
| KR101146640B1 (en) * | 2011-09-29 | 2012-05-16 | 주식회사 에프원테크 | Preparation of neutral solidifying agent for treatment of sewage sludge |
| CN105255499A (en) * | 2015-11-14 | 2016-01-20 | 黄海涛 | Saline-alkali soil improver and preparation method and application thereof |
| CN106083478A (en) * | 2016-06-17 | 2016-11-09 | 武汉工程大学 | Municipal water processes Sludge resource utilization method |
| CN106797820A (en) * | 2017-01-12 | 2017-06-06 | 清华大学 | Recovery of ecologic environment in a mine nutrition earthing with municipal sludge as main matrix and preparation method thereof |
| CN106927971A (en) * | 2017-02-23 | 2017-07-07 | 北京绿安创华环保科技股份有限公司 | A kind of sludge soil-repairing agent, preparation method and its application in sludge is dissolved |
| CN106947491A (en) * | 2017-02-20 | 2017-07-14 | 北京建筑材料科学研究总院有限公司 | Saline-alkali soil conditioner prepared using organic solid castoff and preparation method and application |
| CN109160860A (en) * | 2018-10-18 | 2019-01-08 | 杭州银江环保科技有限公司 | Cities and towns kitchen garbage, agriculture and forestry organic waste material and riverway sludge and municipal sludge federated resourceization utilize method |
| CN109220039A (en) * | 2018-09-29 | 2019-01-18 | 广西百乐德农业投资有限公司 | A kind of restorative procedure of basic soil |
| CN109336671A (en) * | 2018-10-18 | 2019-02-15 | 杭州银江环保科技有限公司 | A kind of salt-soda soil, desert soil reclamation and detection method |
| CN109485471A (en) * | 2018-12-13 | 2019-03-19 | 天津海天时环保科技有限公司 | A kind of method that Treatment of Sludge prepares alkaline land improving fertilizer special for organic conditioner |
-
2019
- 2019-07-24 CN CN201910673435.5A patent/CN110484266B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005272510A (en) * | 2004-03-23 | 2005-10-06 | Taguchi Gijutsu Kenkyusho:Kk | Soil solidification agent, method for solidifying soil, and solidified product of soil |
| CN1974497A (en) * | 2006-12-15 | 2007-06-06 | 章梦涛 | Sludge-spraying and seeding afforesting matrix |
| CN102153413A (en) * | 2011-05-06 | 2011-08-17 | 广西崇左市湘桂糖业有限公司 | Organic-inorganic compound fertilizer and preparation method thereof |
| CN102351589A (en) * | 2011-07-14 | 2012-02-15 | 李桓宇 | Bio-organic fertilizer produced by use of municipal sludge and production method thereof |
| KR101146640B1 (en) * | 2011-09-29 | 2012-05-16 | 주식회사 에프원테크 | Preparation of neutral solidifying agent for treatment of sewage sludge |
| CN105255499A (en) * | 2015-11-14 | 2016-01-20 | 黄海涛 | Saline-alkali soil improver and preparation method and application thereof |
| CN106083478A (en) * | 2016-06-17 | 2016-11-09 | 武汉工程大学 | Municipal water processes Sludge resource utilization method |
| CN106797820A (en) * | 2017-01-12 | 2017-06-06 | 清华大学 | Recovery of ecologic environment in a mine nutrition earthing with municipal sludge as main matrix and preparation method thereof |
| CN106947491A (en) * | 2017-02-20 | 2017-07-14 | 北京建筑材料科学研究总院有限公司 | Saline-alkali soil conditioner prepared using organic solid castoff and preparation method and application |
| CN106927971A (en) * | 2017-02-23 | 2017-07-07 | 北京绿安创华环保科技股份有限公司 | A kind of sludge soil-repairing agent, preparation method and its application in sludge is dissolved |
| CN109220039A (en) * | 2018-09-29 | 2019-01-18 | 广西百乐德农业投资有限公司 | A kind of restorative procedure of basic soil |
| CN109160860A (en) * | 2018-10-18 | 2019-01-08 | 杭州银江环保科技有限公司 | Cities and towns kitchen garbage, agriculture and forestry organic waste material and riverway sludge and municipal sludge federated resourceization utilize method |
| CN109336671A (en) * | 2018-10-18 | 2019-02-15 | 杭州银江环保科技有限公司 | A kind of salt-soda soil, desert soil reclamation and detection method |
| CN109485471A (en) * | 2018-12-13 | 2019-03-19 | 天津海天时环保科技有限公司 | A kind of method that Treatment of Sludge prepares alkaline land improving fertilizer special for organic conditioner |
Non-Patent Citations (2)
| Title |
|---|
| 宁平等: "《高硫煤分解磷石膏制SO2联产水泥熟料》", 31 March 2012, 冶金工业出版社 * |
| 李玉等: "污泥富磷堆肥前后重金属赋存形态及释放能力变化", 《环境科学》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115141630A (en) * | 2021-08-19 | 2022-10-04 | 浙江尚源环境科技有限公司 | Sludge-based multipurpose soil conditioner and preparation method and application thereof |
| CN113736470A (en) * | 2021-09-15 | 2021-12-03 | 昆明理工大学 | Method for preparing mining area soil conditioner from wet sludge in alpine and high-altitude areas |
| CN113736470B (en) * | 2021-09-15 | 2022-07-19 | 昆明理工大学 | Method for preparing mining area soil conditioner from wet sludge in alpine and high-altitude areas |
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