CN108752127A - A kind of biomass castoff soil conditioner in improvement salt-soda soil - Google Patents
A kind of biomass castoff soil conditioner in improvement salt-soda soil Download PDFInfo
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- CN108752127A CN108752127A CN201810403788.9A CN201810403788A CN108752127A CN 108752127 A CN108752127 A CN 108752127A CN 201810403788 A CN201810403788 A CN 201810403788A CN 108752127 A CN108752127 A CN 108752127A
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- biomass castoff
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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
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
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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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- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a kind of biomass castoff soil conditioners in improvement salt-soda soil, and disclose preparation method and application method, include the component of following parts by weight：5-10 parts of sludge composting, 15-20 parts of gangue, 1-5 parts of agricultural crop straw, 0.5-3 parts of desulfurated plaster.It is 4-7 according to original soil and conditioner ratio：3 ratios are thoroughly mixed into original soil and use.The conditioner preparation method is simple, cost is relatively low, it can accelerate alkaline land improving progress, improve alkaline land improving effect, be conducive to improve alkaline land soil fertilizer efficiency and plant survival rate, especially municipal sludge compost is used to substitute organic fertilizer, while cost reduction, realize the innoxious and recycling treatment to municipal sludge, and the source of its heavy metal of municipal sludge composting production and organic pollution is less, pollution level is lower, and the product quality after compost is guaranteed, it avoids causing secondary pollution to soil, meets the original intention of soil improvement.
Description
Technical field
The present invention relates to technical field of land improvement, and in particular to a kind of biomass castoff soil tune in improvement salt-soda soil
Manage agent.
Background technology
Salt-soda soil is a type of salt aggregation, and more water soluble salt or alkaline matter are contained in salt-soda soil, salinity is more,
Alkaline big, agron is lost in, and soil texture is destroyed, and is sticked when showing as wet, and hard when doing, native table often has white salt analysis
Go out, ventilates and permeable bad, plant is difficult to grow herein.Therefore improvement salt-soda soil is one and significantly works.
The area in whole world salt-soda soil is 9.5438 hundred million hectares according to statistics, and wherein China is 99,130,000 hectares.Soil alkaline
Content is high, and virescence maintenance difficulty is big, and vegetation coverage is low, seriously constrains urban ecology Urban Greening and urban landscape economy
Development.It is the problem for perplexing ecology of alkali saline land environmental construction how the livable city of ecology to be turned into salt-soda soil.
The salt-soda soil of Circum-Bohai Sea and jiangsu coast, soil types are mostly the shale salt-soda soil that quality sticks weight, are contained in soil
Salt amount is high, and permeability is poor, and salinity is not easy to elute, and improvement difficulty is big.At present soil improvement is carried out in the type varieties in saline-alkali areas
Technical measures are improved to the permeability of soil using soil conditioner, to reach ideal salt leaching
Effect, the final purpose for realizing soil improvement.Common soil conditioner has agricultural crop straw, flyash, river sand, desulfurization stone
Cream, attapulgite etc..Using various soil conditioners, the permeability for sticking heavy shale salt affected soil can play certain
Improved effect.But there are problems that improveing the result that of high cost, improved effect is undesirable, improves is not easy to keep more.Research is a kind of
Alkaline land soil improvement conditioning agent prescription that is of low cost, can realizing good improved effect and can keep for a long time, becomes solution
The certainly inexorable trend of such alkaline land soil improvement.
Invention content
There are of high cost, effect unobvious in the application for current soil conditioner and holds time the shortcomings of short, this
Invention provides a kind of biomass castoff soil conditioner in improvement salt-soda soil, of low cost, structure that can be to soil, soil
In nutrient, energy, moisture, gas permeability have improvement, can significantly restore soil fertility, vigor.
To achieve the above object, the present invention takes following design scheme：
A kind of biomass castoff soil conditioner in improvement salt-soda soil, includes the component of following parts by weight：
5-10 parts of sludge composting, 15-20 parts of gangue, 1-5 parts of agricultural crop straw, 0.5-3 parts of desulfurated plaster.
Preferably, sludge composting 6-9 parts, 17-19 parts of gangue, 2-4 parts of agricultural crop straw, 0.8-2 parts of desulfurated plaster.
Most preferably：8 parts of sludge composting, 18 parts of gangue, 3 parts of agricultural crop straw, 1 part of desulfurated plaster.
In use, according to original soil：Conditioner ratio is 4-7：3 ratios are thoroughly mixed into original soil.
The sludge composting is that municipal sludge passes through the fermented product for meeting land use obtained after aerobic compost, particle
Degree is whole in 1cm or less；The gangue is for granularity in 5mm hereinafter, and ensureing that 3-5mm particle accountings reach 60% or more；
The agricultural crop straw is maize straw, wheat stalk, rice straw or reed straw etc., and stalk length is in 2-3cm.It is described
Desulfurated plaster is modified desulfurated plaster, and chloride ion content is no more than 300ppm.
The sludge composting is the fermented product obtained after municipal sludge is handled by abundant aerobic fermentation, is reached to municipal administration
Sewage sludge harmlessness, recycling, aerobic fermentation temperature are kept for 7 days at 70 DEG C or so, the pathogenic bacteria in sludge are made thoroughly to kill
While so that organic matter degradation therein is small molecule, is more easy to be absorbed by plants.
A kind of biomass castoff soil conditioner preparation method in improvement salt-soda soil, method and step are as follows：
1. the percentage of weight formula of biomass castoff soil conditioner ingredient as described in claim 1 compounds；
2. each component is uniformly mixed, that is, biomass castoff soil conditioner is made；
3. monitoring, metering, packaging.
The beneficial effects of the invention are as follows
1, sludge composting of the present invention while cost reduction, is realized to city instead of traditional organic fertilizer
The innoxious and recycling treatment of political affairs sludge, the nutrient rich in plant growth realize while improving soil texture
To the supplement of soil fertility；In addition the source of its heavy metal of municipal sludge composting production and organic pollution is less, pollution level
Lower, the product quality after compost is guaranteed, meets the relevant laws and regulations of country and place, avoids causing secondary dirt to soil
Dye, meets the original intention of soil improvement；
2, the used gangue of the present invention is apparent to the improvement of soil texture in advance as soil conditioner component,
Then gangue can the useful plants growth such as long-term slow release humic acid therein ingredient, improve the nutrient situation of soil；
3, the used agricultural crop straw of the present invention, increases the permeability of soil, and with decomposed in the soil of stalk
Degradation, beneficial complement is played for soil fertility and carbon source；
4, desulfurated plaster of the present invention, using ion exchange principle, calcium ion and sulfate radical in desulfurated plaster
Ion, there is plant in the ion compared with major injury in sodium ion that can be in displaced soil solution and chlorion etc., and then accelerate leaching
Process is washed, improved effect is promoted；
5, each component raw material of the present invention is mostly industry or agricultural residue, and is easy to get, and use cost is low；
6, each component of the present invention organically combines, and complements each other, and can obtain relatively stable improved effect, and its improvement
Long-term effect protrudes；
7, the recycling of sludge composting of the present invention, meets the relevant policies of country and place, and has good
Ecological benefits are the beneficial trials of utilization of waste as resource.
Specific implementation mode
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment 1
It is that the present invention is described in detail for embodiment to carry out improvement on the spot with the Tianjin industrial areas Dagang District Nan Gang.Improvement
The salt content of 2000 square meter of plot, soil is 3%.
The formula of the soil conditioner used is：Sludge composting 8kg, gangue 18kg, agricultural crop straw 3kg, desulfurization stone
Cream 1kg.
Sludge composting is municipal sludge by aerobic compost, and what is obtained after fermenting 7-8 days at 72 DEG C meets land use
Fermented product, granularity are whole in 1cm or less；The gangue processing is for granularity in 5mm hereinafter, and ensureing 3-5mm particles
Accounting reaches 60% or more；The agricultural crop straw is the mixing of maize straw, wheat stalk and reed straw, and by stalk
Length is handled to 2-3cm.The desulfurated plaster is modified desulfurated plaster, and chloride ion content is no more than 300ppm.
By each ingredient compounding of biomass castoff soil conditioner；Each component is uniformly mixed, that is, biomass is made
Waste soil conditioner.
Field test is as follows：
After the salt discharge engineering installation for completing basis, by original soil and 1 soil conditioner of embodiment according to 7:3 mass ratio is mixed
It mixes uniformly, is then backfilled to drenching layer or more, backfill thickness is 40cm-60cm according to cropping pattern；Then plant pit is dug directly to transplant
Ornamental plants, the arbor of plant and the big shrub zone soil ball such as Chinese wax, steamed bun willow and Euonymus japonicus, winged euonymus；Irrigate desalinization of soil by flooding or leaching water：Foundation
The salt content and mixed ratio of soil calculate the duty 1.1m that elution salinity needs3/m2, irrigate desalinization of soil by flooding or leaching water and meet gardens
Irrigation water standard.
Through counting current year survival rate all 95% or more, and growth is vigorous, and leaf color is dark green.Salt content in soil is by original
3% on, be reduced to 3 ‰ or less.It experimental field abandons the scheme of soil moved in improve the original greening and uses this formula soil conditioner, directly
Saved earthwork input 20%, afforested cost reduction 30%, the green landscape plant of plantation obtain very high survival rate and compared with
Good landscape effect.
Soil after improvement is detected, it is as a result as follows：
As seen from the above table, this soil conditioner can obviously reduce the pH value of soil and the concentration of acid group, especially HCO3 -Content
It almost can all remove, also have improvement simultaneously for soil aggregate structure, then significant effect, available nitrogen improve to soil fertility
20 times, rapid available phosphorus improves more than 10 times, available potassium is doubled.Compared with using traditional organic fertilizer, each effect all improves 20%
More than, the recycling for realizing municipal sludge recycles.
Embodiment 2
It is that the present invention is described in detail for embodiment to carry out improvement on the spot with Tianjin Dagang District Petrochemical Industry Estate.Improvement
The salt content of 1500 square meter of plot, soil is 2.6%.
The formula of the soil conditioner used is：Sludge composting 10kg, gangue 20kg, agricultural crop straw 5kg, desulfurization stone
Cream 3kg.
And it is prepared according to the pre-treatment of embodiment 1 and preparation method.
Field application：After the salt discharge engineering installation for completing basis, by original soil and soil conditioner according to 3:2 mass ratio
It puddles uniformly, is then backfilled to drenching layer or more, backfill thickness is 40cm-60cm according to cropping pattern.Then plant pit is dug directly to plant
Plant ornamental plants, the arbor of plant and the big shrub zone soil balls such as Chinese wax, steamed bun willow and Euonymus japonicus, winged euonymus.Irrigate desalinization of soil by flooding or leaching water：According to
The duty 1.1m that elution salinity needs is calculated according to the salt content and mixed ratio of soil3/m2, irrigate desalinization of soil by flooding or leaching water and meet garden
Woods irrigation water standard.
Through counting current year survival rate all 95% or more, and growth is vigorous, and leaf color is dark green.Salt content in soil is by original
2.6% on, be reduced to 3 ‰ or less.It experimental field abandons the scheme of soil moved in improve the original greening and uses this formula soil conditioner, directly
Connect and saved earthwork input 23%, afforest cost reduction 35%, the green landscape plant of plantation obtain very high survival rate and
Preferable landscape effect.
Embodiment 3
It is that the present invention is described in detail for embodiment to carry out improvement on the spot with Tianjin area of Dagang District light and textile industries.Improvement
The salt content of 1000 square meter of plot, soil is 3.2%.
The formula of the soil conditioner used is：Sludge composting 5kg, gangue 15kg, agricultural crop straw 1kg, desulfurization stone
Cream 0.5kg.
And it is prepared according to the pre-treatment of embodiment 1 and preparation method.
After the salt discharge engineering installation for completing basis, by original soil and soil conditioner according to 7:4 mass ratio is puddled uniformly,
Then it is backfilled to drenching layer or more, backfill thickness is 40cm-60cm according to cropping pattern.Then it digs plant pit and directly transplants Chinese wax, steamed bun
The head ornamental plants such as willow and Euonymus japonicus, winged euonymus, the arbor of plant and big shrub zone soil ball.Irrigate desalinization of soil by flooding or leaching water：According to soil
Salt content and mixed ratio calculate the duty 1.1m that elution salinity needs3/m2, irrigate desalinization of soil by flooding or leaching water and meet treegarden irrigation use
Water quality standard.
Through counting current year survival rate all 95% or more, and growth is vigorous, and leaf color is dark green.Salt content in soil is by original
3.2% on, be reduced to 3 ‰ or less.It experimental field abandons the scheme of soil moved in improve the original greening and uses this formula soil conditioner, directly
Connect and saved earthwork input 25%, afforest cost reduction 37%, the green landscape plant of plantation obtain very high survival rate and
Preferable landscape effect.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, it is all the present invention spirit and
Any modification made within principle and equivalent replacement, should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of biomass castoff soil conditioner in improvement salt-soda soil, it is characterised in that：Include the component of following parts by weight：
5-10 parts of sludge composting, 15-20 parts of gangue, 1-5 parts of agricultural crop straw, 0.5-3 parts of desulfurated plaster.
2. a kind of biomass castoff soil conditioner in improvement salt-soda soil described in claim 1, it is characterised in that：It is preferred that
, include the component of following parts by weight：6-9 parts of sludge composting, 17-19 parts of gangue, 2-4 parts of agricultural crop straw, desulfurated plaster
0.8-2 parts.
3. a kind of biomass castoff soil conditioner in improvement salt-soda soil described in claim 1, it is characterised in that：Further
Preferably, include the component of following parts by weight：8 parts of sludge composting, 18 parts of gangue, 3 parts of agricultural crop straw, 1 part of desulfurated plaster.
4. a kind of any one of claim 1-3 biomass castoff soil conditioners in improvement salt-soda soil, feature exist
In：The sludge composting is municipal sludge by the fermented product for meeting land use that is obtained after aerobic compost, and granularity is whole
Body in 1cm hereinafter, compost temperature be 70 DEG C or so, compost 7-10 days.
5. a kind of any one of claim 1-3 biomass castoff soil conditioners in improvement salt-soda soil, feature exist
In：The gangue is for granularity in 5mm hereinafter, and ensureing that 3-5mm particle accountings reach 60% or more.
6. a kind of any one of claim 1-3 biomass castoff soil conditioners in improvement salt-soda soil, feature exist
In：The agricultural crop straw is at least one of maize straw, wheat stalk, rice straw or reed straw, and stalk is long
Degree is in 2-3cm.
7. a kind of any one of claim 1-3 biomass castoff soil conditioners in improvement salt-soda soil, feature exist
In：The desulfurated plaster is modified desulfurated plaster, and chloride ion content is no more than 300ppm.
8. a kind of preparation sides of the biomass castoff soil conditioner in improvement salt-soda soil any one of claim 1-3
Method, method and step are as follows：
1. each component is compounded according to parts by weight；
2. each component is uniformly mixed, that is, biomass castoff soil conditioner is made；
3. monitoring, metering, packaging.
9. a kind of any one of claim 1-3 users of the biomass castoff soil conditioner in improvement salt-soda soil
Method, it is characterised in that：It is 4-7 according to original soil and conditioner ratio：3 ratios are thoroughly mixed into original soil and use.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016349A (en) * | 2019-04-26 | 2019-07-16 | 珠海三豫环保新材料科技有限公司 | A method of heavy metal soil remediation material is prepared using gangue |
| CN110171999A (en) * | 2019-05-21 | 2019-08-27 | 库车物泰炭素有限公司 | A kind of compound humic acid soil renovation agent |
| CN112723959A (en) * | 2021-03-12 | 2021-04-30 | 南京朴厚生态科技有限公司 | Coastal beach saline-alkali soil conditioner and preparation process thereof |
| CN113403084A (en) * | 2021-05-28 | 2021-09-17 | 浙江问源环保科技股份有限公司 | Salinized soil composite modifier produced by using agricultural waste, preparation method and application thereof |
| CZ309825B6 (en) * | 2022-09-07 | 2023-11-08 | Česká zemědělská univerzita v Praze | The method of producing a fertilizer from energy gypsum, a fertilizer and its use |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016349A (en) * | 2019-04-26 | 2019-07-16 | 珠海三豫环保新材料科技有限公司 | A method of heavy metal soil remediation material is prepared using gangue |
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| CN113403084A (en) * | 2021-05-28 | 2021-09-17 | 浙江问源环保科技股份有限公司 | Salinized soil composite modifier produced by using agricultural waste, preparation method and application thereof |
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Application publication date: 20181106 |