CN107409522A - A kind of method that soil structure of coastal dredger fills is improved using mushroom bran base composite high-water-absorptivresin resin - Google Patents
A kind of method that soil structure of coastal dredger fills is improved using mushroom bran base composite high-water-absorptivresin resin Download PDFInfo
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- CN107409522A CN107409522A CN201710583462.4A CN201710583462A CN107409522A CN 107409522 A CN107409522 A CN 107409522A CN 201710583462 A CN201710583462 A CN 201710583462A CN 107409522 A CN107409522 A CN 107409522A
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- water
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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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention relates to a kind of method that soil structure of coastal dredger fills is improved using mushroom bran base composite high-water-absorptivresin resin, comprise the following steps：Add water to adjust to the hydrogel solution that concentration is 0.2 1.5g/L mushroom bran base composite high-water-absorptivresin resin, irrigate, the 450L/m of irrigation volume 802.The present invention is by regulating and controlling table soil moisture content and mushroom bran base composite high-water-absorptivresin resin solution concentration index, the cement structure of quick improvement barged-in fill itself, establish stable granular soil structure, increase organic matter and edaphon environment, the permeability and transmissibility of barged-in fill can be obviously improved, salt discharge, establish good barged-in fill water, fertilizer, salt migration pathway, effectively prevent the generation of secondary salinization, the barged-in fill content of organic matter can be increased simultaneously, improvement barged-in fill is met the growth demand of garden plantses.
Description
Technical field
It is more particularly to a kind of compound using mushroom bran base the present invention relates to a kind of modification method of soil structure of coastal dredger fills
The method that super absorbent resin improves soil structure of coastal dredger fills.
Background technology
Coastal reclamation by pumping filling is the important method and approach of many coastal cities with alleviating people contradiction, but thus hydraulic reclamation is formed
Barged-in fill because there is no soil-forming process, and influenceed for a long time by Seawater immersion, salt content height, physical arrangement difference etc. be present
Problem, the ecological afforestation to locality bring severe challenge.It is one of important measures of barged-in fill improvement using soil conditioner,
The main function of soil conditioner is the physicochemical property for improving soil, improves nutrient content of soil etc..
There is increasing scholar Jian beginnings research to be connected to day by specific chemical method subject monomers in recent years
On right high-molecular compound, so as to which natural synthetic copolymer modifying agent be made.This kind of modifying agent combine native compound and
The advantages of artificial-synthetic compound, overcome their own deficiency.Mushroom bran refers to the solid training discarded after edible fungus culturing harvesting
Matrix is supported, with corncob, maize flour, wheat bran, wood chip and stalk etc. are that primary raw material culturing edible fungus wild Oryza species remain for they
Excess, because it contains abundant crude fibre and hemicellulose, it can be very good and target high polymer monomer after simple curing
Composite copolymerization, the agricultural mushroom bran base composite highly-absorbent resin of low-cost and high-performance can be prepared.Therefore the present invention utilizes Cheng Zhiqiang
Patent of invention " method (patent No. of high-absorbent material is prepared with mushroom bran：ZL201110323825.3 the mushroom bran base prepared by) "
Composite high-water-absorptivresin resin improves soil structure of coastal dredger fills as soil conditioner, lifts the permeability and water guide of barged-in fill
Property, salt discharge establishes good barged-in fill water, fertilizer, salt migration pathway, effectively prevents the generation of secondary salinization.
The content of the invention
The present invention be directed to the deposition characteristicses of barged-in fill and soil characteristic, there is provided one kind utilizes mushroom bran base composite high-water-absorptivresin
Resin hydrogel homogeneous, successively improve the modification method that strand barged-in fill glues weight structure.
The technical solution adopted by the present invention is：
A kind of concentration is that 0.2-1.5g/L mushroom bran base composite high-water-absorptivresin resins hydrogel solution is used to improve strand hydraulic reclamation
The purposes of native soil texture.
A kind of method that soil structure of coastal dredger fills is improved using mushroom bran base composite high-water-absorptivresin resin, mushroom bran base is answered
Closing super absorbent resin adds water to adjust to the mushroom bran base composite high-water-absorptivresin resin hydrogel solution that concentration is 0.2-1.5g/L, fills
Irrigate, irrigation volume 80-450L/m2。
A kind of method that soil structure of coastal dredger fills is improved using mushroom bran base composite high-water-absorptivresin resin, including following step
Suddenly：
(1), monitor on field table soil moisture content in strand hydraulic reclamation area to be improved, when table soil moisture content is less than 25%, prison is stopped
Survey；Add water to adjust to the hydrogel solution that concentration is 1.1-1.5g/L mushroom bran base composite high-water-absorptivresin resin, irrigate, irrigation volume
80-200L/m2；
(2), stand, monitor table soil moisture content, until when table soil moisture content reaches less than 18%, stop monitoring；By mushroom bran
Base composite high-water-absorptivresin resin adds water to adjust to the hydrogel solution that concentration is 0.5-1.0g/L, irrigates, irrigation volume 250-300L/
m2；
(3), stand, monitor table soil moisture content, until when table soil moisture content reaches less than 12%, stop monitoring；By mushroom bran
Base composite high-water-absorptivresin resin adds water to adjust to the hydrogel solution that concentration is 0.2-0.8g/L, irrigates, irrigation volume 320-450L/
m2。
The mushroom bran base composite high-water-absorptivresin resin is the beautiful agaric mushroom bran by auricuralia auricular bran, pholiota nameko mushroom bran, flat mushroom
It is one or more of by radiating work(with hydrophilic macromolecule monomeric acrylic or acrylamide in mushroom bran, white a kind of reed mentioned in ancient books mushroom chaff etc.
Rate is to trigger to be polymerized under 180-360W, and polymerization process is potassium peroxydisulfate or ammonium persulfate using initiator and crosslinking agent is
N, N- methylene-bisacrylamide.
Preferably from black fungus bacterial furfuryl group composite high-water-absorptivresin resin hydrogel solution improvement strand barged-in fill soil knot
Structure.
In above-mentioned modification method, monitoring described in step (1), (2) and (3) is by way of regular earth boring auger gathers soil sample
Measure；
In above-mentioned modification method, table soil moisture content described in step (1), (2) and (3) is the soil quality of 35cm topsoil
Moisture content.
Preferably, irrigated in above-mentioned modification method, described in step (1) (2) (3) as sprinkling irrigation or flood irrigation；
The beneficial effects of the present invention are：
(1) compared with existing barged-in fill structural improvement technology, the agricultural wastes mushroom bran of the invention sufficiently utilized, use
Method simple and fast, it is workable；Nonhazardous, cost is cheap, and it is organic to add soil while hydraulic reclamation soil structure is improved
Matter has considerable economy, ecological environment benefit.
(2) present invention is referred to by regulation and control table soil moisture content and mushroom bran base composite high-water-absorptivresin resin hydrogel solution concentration
Mark, successively deeply, the cement structure of quick improvement barged-in fill itself, stable granular soil structure is established, can be obviously improved and blow
The permeability and transmissibility banketed, establish good barged-in fill water, fertilizer, salt migration pathway.
(3) administration of the poly- mushroom bran base composite high-water-absorptivresin resin water-setting of the present invention is by the way of waterpower irrigation, after improvement
Soil property is evenly distributed, and improvement depth is up to more than 1m.
Embodiment
The present invention is a kind of having using mushroom bran base composite high-water-absorptivresin resin quick improvement strand barged-in fill cement structure
Efficacious prescriptions method, it is by table by regulation and control table soil water-cut variation and mushroom bran base composite high-water-absorptivresin resin hydrogel solution concentration difference
The crumb structure of barged-in fill is successively established downwards.
With reference to specific embodiment, the present invention is expanded on further, but do not limit protection scope of the present invention.Every foundation
Any simple modification, equivalent change and modification that the technical spirit of the present invention is made to above example, still falls within the present invention
Technical scheme in the range of.
Embodiment 1
Carried out in barged-in fill original soil improvement demonstration area near No. eight junction mouths in Tianjin Gangdong boundary Asia road and New Port, in area
1m soil body salt content is in the range of 16-20g/kg, 7.5 ＜ pH ＜ 8.5.Periodic sampling soil sample determines soil moisture content, works as 35cm
When table soil moisture content is 23.52%, the agaric hydrogel solution that mushroom bran super absorbent resin adds water to be configured to 1.3g/L will be divided, sprayed
Fill, irrigation volume 100L/m2；Stand, when table soil moisture content reaches 16.25%, by agaric fungus furfuryl group composite high-water-absorptivresin resin
It is added with water to the hydrogel solution that concentration is 0.8g/L, flood irrigation, irrigation volume 270L/m2；Stand, when table soil moisture content reaches
When 10.86%, by agaric fungus furfuryl group composite high-water-absorptivresin resin be added with water to concentration be 0.5g/L hydrogel solution, flood irrigation,
Irrigation volume is 350L/m2.After improvement terminates, after identical head elutes 2 days, soil hydraulic conductivity can reach 9.03mmh-1；6 days
Afterwards, 35cm tables soil salt rejection rate is up to 72%, 1m soil bodys salt rejection rate up to 40%；After 10 days, 60cm table soil salt content will reach 3.5g/kg
Hereinafter, pH<7.5, increase organic matter>1.8%.Meet there is the growth demand of Salt And Alkali Tolerance garden plantses.
Embodiment 2:Strand barged-in fill and experiment condition are improved with embodiment 1, except that beautiful agaric mushroom bran high water absorption
Property resin as modifying agent, use condition and dosage are with embodiment 1, after improvement terminates, after identical head elutes 2 days, soil
Hydraulic conductivity can reach 8.83mmh-1；After 6 days, 35cm table soil salt rejection rates are up to 68%, 1m soil bodys salt rejection rate up to 38%；10 days
Afterwards, 60cm tables soil salt content will reach below 3.8g/kg, pH<8.0, increase organic matter>1.5%.
Embodiment 3:Strand barged-in fill and experiment condition are improved with embodiment 1, except that pholiota nameko mushroom bran high water absorption
Property resin as modifying agent, use condition and dosage are with embodiment 1, after improvement terminates, after identical head elutes 2 days, soil
Hydraulic conductivity can reach 8.50mmh-1；After 6 days, 35cm table soil salt rejection rates are up to 65%, 1m soil bodys salt rejection rate up to 35%；10 days
Afterwards, 60cm tables soil salt content will reach below 4.0g/kg, pH<8.2, increase organic matter>1.2%.
Embodiment 4:Strand barged-in fill and experiment condition are improved with embodiment 1, except that flat mushroom mushroom bran high-hydroscopicity
Resin is as modifying agent, and use condition and dosage are with embodiment 1, and after improvement terminates, after identical head elutes 2 days, soil is led
Water rate can reach 8.25mmh-1；Fresh water elutes, and after 6 days, 35cm table soil salt rejection rates are up to 70%, 1m soil body salt rejection rates and reached
40%；After 10 days, 60cm table soil salt content will reach below 4.0g/kg, pH<7.5, increase organic matter>1.6%.
Embodiment 5:Strand barged-in fill and experiment condition are improved with embodiment 1, except that white a kind of reed mentioned in ancient books mushroom chaff high water absorption
Property resin as modifying agent, use condition and dosage are with embodiment 1, after improvement terminates, after identical head elutes 2 days, soil
Hydraulic conductivity can reach 8.80mmh-1；Fresh water elutes, and after 6 days, 35cm table soil salt rejection rates are up to 68%, 1m soil body salt rejection rates and reached
40%；After 10 days, 60cm table soil salt content will reach below 3.8g/kg, pH<8.0, increase organic matter>1.8%.
Claims (8)
- It is used to improve strand barged-in fill 1. a kind of concentration is 0.2-1.5g/L mushroom bran base composite high-water-absorptivresin resins hydrogel solution The purposes of soil texture.
- A kind of 2. method that soil structure of coastal dredger fills is improved using mushroom bran base composite high-water-absorptivresin resin, it is characterised in that： Water is added to adjust to the mushroom bran Ji Fuhegaoxishuixingshuzhishui that concentration is 0.2-1.5g/L mushroom bran base composite high-water-absorptivresin resin Gel solution, irrigate, irrigation volume 80-450L/m2。
- 3. one kind according to claim 2 utilizes mushroom bran base composite high-water-absorptivresin resin improvement soil structure of coastal dredger fills Method, it is characterised in that：Comprise the following steps：(1), monitor on field table soil moisture content in strand hydraulic reclamation area to be improved, when table soil moisture content is less than 25%, monitoring is stopped；Will Mushroom bran base composite high-water-absorptivresin resin adds water to adjust to the hydrogel solution that concentration is 1.1-1.5g/L, irrigates, irrigation volume 80- 200L/m2；(2), stand, monitor table soil moisture content, until when table soil moisture content reaches less than 18%, stop monitoring；Mushroom bran base is answered Closing super absorbent resin adds water to adjust to the hydrogel solution that concentration is 0.5-1.0g/L, irrigates, irrigation volume 250-300L/m2；(3), stand, monitor table soil moisture content, until when table soil moisture content reaches less than 12%, stop monitoring；Mushroom bran base is answered Closing super absorbent resin adds water to adjust to the hydrogel solution that concentration is 0.2-0.8g/L, irrigates, irrigation volume 320-450L/m2。
- 4. one kind according to claim 3 utilizes mushroom bran base composite high-water-absorptivresin resin improvement soil structure of coastal dredger fills Method, it is characterised in that：The mushroom bran base composite high-water-absorptivresin resin is the beautiful agaric mushroom bran by auricuralia auricular bran, slider In mushroom chaff, flat mushroom mushroom bran, white a kind of reed mentioned in ancient books mushroom chaff etc. it is one or more of by with hydrophilic macromolecule monomeric acrylic or propylene Acid amides triggers in the case where radiant power is 180-360W to be polymerized, and it is potassium peroxydisulfate or persulfuric acid that polymerization process, which uses initiator, Ammonium and crosslinking agent are N, N- methylene-bisacrylamides.
- 5. one kind according to claim 4 utilizes mushroom bran base composite high-water-absorptivresin resin improvement soil structure of coastal dredger fills Method, it is characterised in that：Preferably blown from black fungus bacterial furfuryl group composite high-water-absorptivresin resin hydrogel solution improvement strand Banket soil texture.
- 6. a kind of soil structure of coastal dredger fills is improved according to claim 3 with mushroom bran base composite high-water-absorptivresin resin Method, it is characterised in that：Monitoring described in step (1), (2) and (3) is measured by way of regular earth boring auger gathers soil sample.
- 7. a kind of soil structure of coastal dredger fills is improved according to claim 3 with mushroom bran base composite high-water-absorptivresin resin Method, it is characterised in that：Table soil moisture content described in step (1), (2) and (3) is the soil quality moisture content of 35cm topsoil.
- 8. a kind of soil structure of coastal dredger fills is improved according to claim 3 with mushroom bran base composite high-water-absorptivresin resin Method, it is characterised in that：Irrigated described in step (1) (2) and (3) as sprinkling irrigation or flood irrigation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710583462.4A CN107409522A (en) | 2017-07-18 | 2017-07-18 | A kind of method that soil structure of coastal dredger fills is improved using mushroom bran base composite high-water-absorptivresin resin |
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|---|---|---|---|
| CN201710583462.4A CN107409522A (en) | 2017-07-18 | 2017-07-18 | A kind of method that soil structure of coastal dredger fills is improved using mushroom bran base composite high-water-absorptivresin resin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110229288A (en) * | 2019-06-13 | 2019-09-13 | 贵州省中国科学院天然产物化学重点实验室(贵州医科大学天然产物化学重点实验室) | Dregs of a decoction culturing edible fungus mushroom bran prepares the method and its application of composite high-water uptake material |
| CN114106268A (en) * | 2021-12-17 | 2022-03-01 | 徐州工程学院 | Fungus chaff acrylic acid composite material and preparation method and application thereof |
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| CN102504110A (en) * | 2011-10-21 | 2012-06-20 | 吉林农业大学 | Method for preparing high absorbent resin material with fungus chaff |
| CN203233657U (en) * | 2013-05-27 | 2013-10-16 | 天津天一景观规划设计有限公司 | Local modeling of coast saline-alkali land terraced field dredger fill |
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| CN104838753A (en) * | 2015-05-12 | 2015-08-19 | 清华大学 | Improvement method of coastal saline land |
| CN105993255A (en) * | 2016-05-16 | 2016-10-12 | 中国神华能源股份有限公司 | Method for improving soil quality |
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| CN102504110A (en) * | 2011-10-21 | 2012-06-20 | 吉林农业大学 | Method for preparing high absorbent resin material with fungus chaff |
| CN102487618A (en) * | 2011-12-02 | 2012-06-13 | 天津泰达园林建设有限公司 | Method for improving soil structure of coastal dredge fill |
| CN203233657U (en) * | 2013-05-27 | 2013-10-16 | 天津天一景观规划设计有限公司 | Local modeling of coast saline-alkali land terraced field dredger fill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110229288A (en) * | 2019-06-13 | 2019-09-13 | 贵州省中国科学院天然产物化学重点实验室(贵州医科大学天然产物化学重点实验室) | Dregs of a decoction culturing edible fungus mushroom bran prepares the method and its application of composite high-water uptake material |
| CN110229288B (en) * | 2019-06-13 | 2021-12-14 | 贵州省中国科学院天然产物化学重点实验室(贵州医科大学天然产物化学重点实验室) | Method for preparing composite super absorbent material by cultivating edible fungus chaff in herb residue and application of composite super absorbent material |
| CN114106268A (en) * | 2021-12-17 | 2022-03-01 | 徐州工程学院 | Fungus chaff acrylic acid composite material and preparation method and application thereof |
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