CN106635026A - Biomass charcoal-desulfurization gypsum soil conditioner and preparation method and application thereof - Google Patents
Biomass charcoal-desulfurization gypsum soil conditioner and preparation method and application thereof Download PDFInfo
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- CN106635026A CN106635026A CN201611168726.1A CN201611168726A CN106635026A CN 106635026 A CN106635026 A CN 106635026A CN 201611168726 A CN201611168726 A CN 201611168726A CN 106635026 A CN106635026 A CN 106635026A
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- desulfurated plaster
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
- C09K17/06—Calcium compounds, e.g. lime
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- 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
- 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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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a biomass charcoal-desulfurization gypsum soil conditioner in the field of saline and alkaline land soil improvement and a preparation method and application thereof. Biomass charcoal is doped into desulfurization gypsum, so that the biomass charcoal-desulfurization gypsum soil conditioner is prepared. By means of the soil conditioner, the problem that desulfurization gypsum is likely to cake, non-uniform in dispersion and low in efficiency when being used independently is solved, and moreover, the pH and degree of alkalization of soil can be reduced, the physical and chemical properties of soil are improved, the drip washing of salinity soil salt is quickened, and the soil fertility is increased. The soil conditioner is wide in sources of raw materials, simple in technology and low in cost.
Description
Technical field
The invention belongs to alkaline land soil improvement field, and in particular to a kind of biomass carbon-desulfurated plaster soil conditioner
And preparation method and application.
Background technology
Saline Land is a global difficult problem, and global saline alkali land area is about 9.5 × 109hm2, China there are about 3.7
×107hm2, arable area about 5% is accounted for, coastal and hinterland is mainly distributed on, the agriculture-stock production of serious restriction this area
And socio-economic development.
At present alkaline land soil ameliorative measure is varied, and wherein desulfurated plaster improves the chemical measure of salinized soil,
Widely paid close attention to and studied.
A kind of severe Soda saline and alkaline soils quick improvement method is disclosed in patent CN103069944A.But desulfurated plaster due to
Hygroscopicity is stronger, cause it easily to lump, shed it is uneven, apply and more difficult mix uneven with soil.
The content of the invention
The purpose of the present invention is to propose to a kind of biomass carbon-desulfurated plaster soil conditioner and preparation method and application,
Concrete technical scheme is as follows：
A kind of biomass carbon-desulfurated plaster soil conditioner, the mass ratio of its biomass carbon and desulfurated plaster for (15～
50):100, the particle diameter of biomass charcoal powder is less than 1mm.
A kind of preparation method of biomass carbon-desulfurated plaster soil conditioner, specifically includes following steps：
1) biomass material is ground into powder；
2) by step 1) in biomass material powder be placed in resistant to elevated temperatures closed container, in 300～700 DEG C, anoxic
Under the conditions of carry out 1～3h of carbonization treatment；
3) by step 2) in powder after carbonization treatment be cooled to after room temperature, crush, biomass charcoal powder is obtained；
4) step 3) in biomass charcoal powder be well mixed with desulfurated plaster, that is, be obtained biomass carbon-desulfurated plaster soil change
Good dose.
3rd, preparation method according to claim 2, it is characterised in that step 1) in biomass material be Wheat Straw
One kind in stalk, maize straw, rice straw, cotton stalk, peanut shell, fruit tree pruning, shrub branch and more than.
Step 3) in biomass charcoal powder particle diameter be less than 1mm.
Step 4) in the mass ratio of biomass carbon and desulfurated plaster be (15～50):100.
Described biomass carbon-application of the desulfurated plaster soil conditioner in terms of alkaline land improving.
In alkaline land improving, the amount of application of biomass carbon-desulfurated plaster soil conditioner is 15～45t/hm2。
Beneficial effects of the present invention are：The present invention prepares biomass carbon-de- by mixing biomass carbon in desulfurated plaster
Sulphur gypsum soil conditioner, the soil conditioner easily lumps when solving exclusive use desulfurated plaster, to shed inequality, efficiency low
Problem, while soil pH and basicity, the pouring for improving soil physical chemistry proterties, accelerating salinization soil salinity can be reduced
Wash, increase soil fertility.Raw material sources of the present invention are extensive, technology simple, low cost.
Description of the drawings
Fig. 1 is biomass carbon-desulfurated plaster soil conditioner prepared by embodiment 1.
Fig. 2 is biomass carbon-desulfurated plaster soil conditioner prepared by embodiment 2.
Fig. 3 is biomass carbon-desulfurated plaster soil conditioner prepared by embodiment 3.
Specific embodiment
The present invention proposes a kind of biomass carbon-desulfurated plaster soil conditioner and preparation method and application, ties below
The invention will be further described to close embodiment.
Embodiment 1
A kind of preparation method of biomass carbon-desulfurated plaster soil conditioner, comprises the following steps：
(1) wheat stalk is ground into the particle of 0.5mm sizes；
(2) wheat stalk particle in step (1) is placed in Muffle furnace, 300 DEG C of carbonization treatments 2h；
(3) the wheat stalk particle after carbonization treatment in step (2) is cooled into room temperature, is ground into diameter less than 0.25mm
Powder, proportion be 0.5～0.8g/cm3, obtain biomass carbon；
(4) biomass carbon is mixed in desulfurated plaster, both mass ratioes are 1:3, be well mixed, that is, biomass are obtained
Charcoal-desulfurated plaster soil conditioner, is designated as BG1.The biomass carbon of preparation-desulfurated plaster soil conditioner such as Fig. 1.
Embodiment 2
A kind of preparation method of biomass carbon-desulfurated plaster soil conditioner, comprises the following steps：
(1) fruit tree pruning is ground into the powder of 0.5mm sizes；
(2) fruit tree pruning powder in step (1) is placed in Muffle furnace, 300 DEG C of carbonization treatments 3h；
(3) the fruit tree pruning powder after carbonization treatment in step (2) is cooled into room temperature, is ground into diameter less than 0.25mm
Particle, proportion be 1.0～1.2g/cm3, obtain biomass carbon；
(4) biomass carbon is mixed in desulfurated plaster, both mass ratioes are 1:5, be well mixed, that is, biomass are obtained
Charcoal-desulfurated plaster soil conditioner, is designated as BG2.The biomass carbon of preparation-desulfurated plaster soil conditioner such as Fig. 2.
Embodiment 3
A kind of preparation method of biomass carbon-desulfurated plaster soil conditioner, comprises the following steps：
(1) corn stalk powder is broken into the powder of 1mm sizes；
(2) maize straw powder in step (1) is placed in Muffle furnace, 700 DEG C of carbonization treatments 1h；
(3) maize straw powder after carbonization treatment in step (2) is cooled into room temperature, is ground into diameter less than 0.5mm
Particle, obtain biomass carbon；
(4) biomass carbon is mixed in desulfurated plaster, both mass ratioes are 1:2, be well mixed, that is, biomass are obtained
Charcoal-desulfurated plaster soil conditioner.The biomass carbon of preparation-desulfurated plaster soil conditioner such as Fig. 3.
Embodiment 4
Weigh particle diameter<1mm、<0.5mm and<The biomass carbon of 0.25mm, mixes respectively according to certain mass ratio and desulfurated plaster
Close uniform.A certain amount of mixture is weighed, is well mixed with salinization soil according to the ratio of 4g/kg, 8g/kg, 12g/kg respectively,
Reloading earth pillar about 10cm, loads every time 2cm, appropriateness compacting.Bottom is first fabricated to funnel-form with quartz sand (particle diameter 2mm) heap,
Respectively add double gauze up and down, one avoiding quartz sand from spilling, two reducing quartz sand and Soil Interface tension force.The same place in top
Reason, quartz sand thickness about 1cm is thick.With medical infusion bottle, deionized water, leachates are added dropwise to earth pillar according to the speed of 120 drop/min
It is undertaken in graduated cylinder, records leachates time of occurrence first.The electrical conductivity of a leachates is determined per 10mL, until electrical conductivity 3
The mean value relative deviation of secondary measured value<5%, leachates electrical conductivity uses 5:Conductivity meter (thunder magnetic is used after 1 soil ratio extraction
DDS-307A) determine.Result of the test such as table 1.As known from Table 1 biomass carbon-desulfurated plaster soil conditioner is to salinization soil
Salt leaching has significantly impact.
Table 1 adds earth pillar leachates flowing-out time after not same amount biomass carbon and desulfurated plaster soil conditioner, EC values drop
Low rate and EC values are reduced to the leacheate volume used by minimum of a value
Embodiment 5
12 parts of 3kg soil samples (sodium chloride and sodium sulphate salinization soil) are weighed, is divided into 3 groups of parallel tests, per group of 4 parts of soil
Sample is separately added into BG1 4g/kg, BG2 4g/kg, desulfurated plaster (G) 8g/kg and does not apply any material (CK), is well mixed
Afterwards, plastic tub (a diameter of 20cm of wide opening, a diameter of 15cm of slot, high 10cm) is loaded.Running water is added to about field capacity,
Overnight sow afterwards, often 30, disk sowing oat (Avena sativa L.), after planting blinding about 2cm.Stay growing way basic after emerging
20 plants of consistent seedling.Basin alms bowl is placed in greenhouse, is periodically watered, after about 50 days, gather pedotheque, air-dried and sieve, determined
Big ion (the K of pH, EC, 8+、Na+、Ca2+、Mg2+、HCO3 -、CO3 2-、Cl-、SO4 2-), sodium saturation degree, organic matter, full nitrogen, rapid available phosphorus,
Available potassium.
PH and EC use 5:1 soil ratio extraction, is determined respectively with UB-7 precision pH meters and thunder magnetic DDS-307A conductivity meters
(Bao Shidan, 2000).
The big ion of soil 8：Weigh and air-dry soil sample 40.00g in 500mL triangular flasks less than 1mm, add 200mL without CO2Steam
Distilled water (soil ratio 5:1) 3min, the K in filtrate, are fully vibrated+、Na+With flame spectrophotometric determination, Ca2+、Mg2+Titrated with EDTA
Method is determined, SO4 2-Determined with EDTA Indirect Complexometric Titration Methods, Cl-Determined with silver nitrate titration method, HCO3 -、CO3 2-Use double instructions
Agent-neutralization titration is determined.
Sodium saturation degree adopts NH4OAc-NH4OH flame spectrophotometric determinations；Available P adopts NaHCO3Extraction, the anti-colorimetric of molybdenum antimony
Method is determined；Active potassic adopts NH4OAC is extracted, and flame spectrometry is surveyed；Organic carbon adopts potassium bichromate external heat volumetric determination；Entirely
Nitrogen is determined using triumphant formula nitriding.
Table 2 is for the different biomass carbon-desulfurated plaster soil conditioners of administration and plants soil pH after oat, EC values, alkalization
Degree and salt ion content
As known from Table 2, desulfurated plaster and biomass carbon soil conditioner (BG1, BG2) are applied, improves soil EC, K+、
Ca2+、Mg2+And SO4 2-Content, reduces pH, basicity and HCO3 -Content.
Table 2 applies different biomass carbons-desulfurated plaster mixture and plants soil pH after oat, EC values, basicity and salt
Segregant content
*:Significant difference (P between same row difference letter representation process<0.05).
Table 3 is for the different biomass carbon-desulfurated plaster soil conditioners of administration and plants soil nutrient content after oat.From table
3 understand, apply desulfurated plaster and biomass carbon soil conditioner (BG1, BG2), improve salinization soil fertility.
Table 3 applies different biomass carbons-desulfurated plaster soil conditioner and plants soil nutrient content after oat
*:Significant difference (P between same row difference letter representation process<0.05).
Claims (7)
1. a kind of biomass carbon-desulfurated plaster soil conditioner, it is characterised in that biomass carbon is with the mass ratio of desulfurated plaster
(15～50):100, the particle diameter of biomass charcoal powder is less than 1mm.
2. the preparation method of a kind of biomass carbon-desulfurated plaster soil conditioner, it is characterised in that specifically include following steps：
1) biomass material is ground into powder；
2) by step 1) in biomass material powder be placed in resistant to elevated temperatures closed container, in 300～700 DEG C, anoxia condition
Under carry out 1～3h of carbonization treatment；
3) by step 2) in powder after carbonization treatment be cooled to after room temperature, crush, biomass charcoal powder is obtained；
4) step 3) in biomass charcoal powder be well mixed with desulfurated plaster, that is, be obtained biomass carbon-desulfurated plaster soil conditioner.
3. preparation method according to claim 2, it is characterised in that step 1) in biomass material be wheat stalk, jade
Rice stalk, rice straw, cotton stalk, peanut shell, fruit tree pruning, the one kind in shrub branch and more than.
4. preparation method according to claim 2, it is characterised in that step 3) in the particle diameter of biomass charcoal powder be less than
1mm。
5. preparation method according to claim 2, it is characterised in that step 4) in biomass carbon and desulfurated plaster quality
Than for (15～50):100.
6. the biomass carbon described in claim 1-application of the desulfurated plaster soil conditioner in terms of alkaline land improving.
7. application according to claim 6, it is characterised in that in alkaline land improving, biomass carbon-desulfurated plaster soil
The amount of application of modifying agent is 15～45t/hm2。
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| CN201611168726.1A CN106635026A (en) | 2016-12-16 | 2016-12-16 | Biomass charcoal-desulfurization gypsum soil conditioner and preparation method and application thereof |
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| CN201611168726.1A CN106635026A (en) | 2016-12-16 | 2016-12-16 | Biomass charcoal-desulfurization gypsum soil conditioner and preparation method and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107384415A (en) * | 2017-07-01 | 2017-11-24 | 兰溪市顺光园艺技术有限公司 | The preparation method of salinized soil modifying agent |
| CN108029270A (en) * | 2017-11-29 | 2018-05-15 | 台州东发建设投资有限公司 | A kind of beach saline land comprehensive processing method |
| CN108156873A (en) * | 2017-12-15 | 2018-06-15 | 上海交通大学 | A kind of method using biomass carbon recuperated vegetable plastic shed soil |
| CN109292881A (en) * | 2018-09-10 | 2019-02-01 | 大唐环境产业集团股份有限公司 | A kind of carbon-based desulfurized gypsum dephosphorization stick of biomass and its preparation, application method |
| CN110157447A (en) * | 2019-05-22 | 2019-08-23 | 辽宁工程技术大学 | A kind of dust storm soil conditioner and preparation method thereof and application method |
| CN110272744A (en) * | 2019-07-08 | 2019-09-24 | 宁夏大学 | A kind of compound desulfurized gypsum biomass carbon base alkali-affected soil conditioner and the preparation method and application thereof |
| CN111019668A (en) * | 2019-11-22 | 2020-04-17 | 中国科学院东北地理与农业生态研究所 | Severe soda saline-alkali soil dry farming agricultural soil conditioner |
| CN112979392A (en) * | 2021-04-25 | 2021-06-18 | 宁夏农林科学院园艺研究所(宁夏设施农业工程技术研究中心) | Soil conditioner and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107384415A (en) * | 2017-07-01 | 2017-11-24 | 兰溪市顺光园艺技术有限公司 | The preparation method of salinized soil modifying agent |
| CN108029270A (en) * | 2017-11-29 | 2018-05-15 | 台州东发建设投资有限公司 | A kind of beach saline land comprehensive processing method |
| CN108156873A (en) * | 2017-12-15 | 2018-06-15 | 上海交通大学 | A kind of method using biomass carbon recuperated vegetable plastic shed soil |
| CN109292881A (en) * | 2018-09-10 | 2019-02-01 | 大唐环境产业集团股份有限公司 | A kind of carbon-based desulfurized gypsum dephosphorization stick of biomass and its preparation, application method |
| CN110157447A (en) * | 2019-05-22 | 2019-08-23 | 辽宁工程技术大学 | A kind of dust storm soil conditioner and preparation method thereof and application method |
| CN110272744A (en) * | 2019-07-08 | 2019-09-24 | 宁夏大学 | A kind of compound desulfurized gypsum biomass carbon base alkali-affected soil conditioner and the preparation method and application thereof |
| CN111019668A (en) * | 2019-11-22 | 2020-04-17 | 中国科学院东北地理与农业生态研究所 | Severe soda saline-alkali soil dry farming agricultural soil conditioner |
| CN112979392A (en) * | 2021-04-25 | 2021-06-18 | 宁夏农林科学院园艺研究所(宁夏设施农业工程技术研究中心) | Soil conditioner and preparation method thereof |
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