CN112759339A - Green macromolecular compound sludge curing agent and application thereof - Google Patents
Green macromolecular compound sludge curing agent and application thereof Download PDFInfo
- Publication number
- CN112759339A CN112759339A CN202110007263.5A CN202110007263A CN112759339A CN 112759339 A CN112759339 A CN 112759339A CN 202110007263 A CN202110007263 A CN 202110007263A CN 112759339 A CN112759339 A CN 112759339A
- Authority
- CN
- China
- Prior art keywords
- sludge
- curing agent
- mass
- green
- agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00767—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes
- C04B2111/00775—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes the composition being used as waste barriers or the like, e.g. compositions used for waste disposal purposes only, but not containing the waste itself
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention belongs to the technical field of building materials, and relates to a green macromolecular compound sludge curing agent and application thereof, wherein the sludge curing agent comprises the following components in percentage by mass: 30% of adhesive, 20% of auxiliary adhesive, 30% of water reducing agent and 20% of thickening agent, uniformly mixing the components in proportion to obtain the sludge treatment agent, adding a green high molecular compound sludge curing agent accounting for 1% -5% of the mass of the sludge into the sludge to be treated when the sludge treatment agent is used, mixing and stirring uniformly, and directly transporting the treated sludge to a sludge soil yard or directly backfilling to realize green treatment and resource recycling of the sludge; by adopting various high molecular polymers and matching with auxiliary adhesive, water reducing agent and thickening agent, under the interaction of the high molecular polymers and the auxiliary adhesive, the reaction rate of the curing agent and the sludge is high, the water content of the cured sludge is close to the optimal water content, the mechanical property is good, the requirement of roadbed filling can be met, the cost is low, the curing time is short, the efficiency is high, and the environment is friendly.
Description
The technical field is as follows:
the invention belongs to the technical field of building materials, and relates to a green macromolecular compound sludge curing agent and application thereof.
Background art:
the economy of China is gradually developed and developed, environmental protection and resource conservation are concerned, silt which needs to be treated every year reaches hundreds of millions of cubes in river treatment, channel dredging and building construction, the moisture content of the silt is high, the porosity is large, the compressibility is high, the mechanical property is poor, the silt can not be directly used for engineering, the traditional treatment method is mainly abandoned, the time cost and the transportation cost are high, and the environmental adverse effect is caused. Most of the current sludge curing agents are cement or fly ash, but the reaction time is long, the curing effect is not ideal, the environment is polluted, the mixing amount is more, the construction and the large-range use are not facilitated, for example, CN201510706370.1 discloses a sludge curing agent and a preparation method and application thereof, and the sludge curing agent is composed of the following components in parts by mass: 9-18 parts of cement, 2-5 parts of lime, 2-5 parts of gypsum, 2-5 parts of bentonite and 0.4-1 part of caustic soda, wherein the cement, the lime, the gypsum, the bentonite and the caustic soda are weighed according to the proportion, are mixed and dried in a drying furnace for 6-8 hours, are then transferred into a grinding machine to be ground and are then uniformly stirred by a stirrer to obtain a sludge curing agent; CN201210012249.5 discloses a sludge curing agent and a sludge curing method using the same, which relate to the field of sludge treatment, and the sludge curing agent is prepared by the following steps: firstly, mixing seven components including expandable graphite, cement, fly ash, carbon black, silicon powder, china clay and quick lime, expanding the expandable graphite at a temperature not lower than the expansion temperature of the expandable graphite, and stirring the mixture to obtain a semi-finished product; adding two components including expanded resin and water glass into the semi-finished product, stirring and fully mixing to prepare a curing agent; for example, CN201910615014.7 provides a green sludge curing agent and application thereof in sludge curing, belonging to the field of sludge treatment. The green sludge curing agent provided by the invention comprises the following components in parts by weight: 3-8 parts of microcrystalline cellulose, 30-50 parts of fly ash, 20-40 parts of calcium sulfate, 5-10 parts of silicate and 5-10 parts of spinel, wherein the microcrystalline cellulose is preferably microcrystalline cellulose modified by organic acid anhydride, and the application of a green sludge curing agent in high-chromium sludge curing comprises the following steps: s1, microbial treatment: inoculating desulfurization vibrio into sulfur powder, iron powder, a desulfurization vibrio culture medium and sludge in a container, and performing anaerobic fermentation for 5-10 days under an anaerobic condition to obtain fermented sludge; s2, sterilization: adding a bactericide into the fermented sludge, and stirring for 5-10 hours to obtain sterilized sludge; s3, curing: the method comprises the steps of adding a green sludge curing agent into the sterilized sludge, uniformly stirring, and standing to obtain the cured sludge, wherein the sludge curing agent needs to be subjected to microbial treatment firstly when in use, cannot be directly used, and has high cost and long time.
The invention content is as follows:
the invention aims to overcome the defects in the prior art, provides a green macromolecular compound sludge curing agent and application thereof, and solves the problem of recycling a large amount of sludge.
In order to achieve the purpose, the green macromolecular compound sludge curing agent comprises the following components in percentage by mass: 30% of adhesive, 20% of auxiliary adhesive, 30% of water reducing agent and 20% of thickening agent, and the components are uniformly mixed according to the proportion during preparation.
The adhesive is prepared by mixing 30-50% by mass of calcium oxide, 20% by mass of tricalcium silicate and 30-50% by mass of tricalcium aluminate, preferably 30% by mass of calcium oxide, 20% by mass of tricalcium silicate and 50% by mass of tricalcium aluminate, or 40% by mass of calcium oxide, 20% by mass of tricalcium silicate and 40% by mass of tricalcium aluminate, or 50% by mass of calcium oxide, 20% by mass of tricalcium silicate and 30% by mass of tricalcium aluminate.
The auxiliary adhesive is formed by mixing halloysite nanofiber and diatomite, wherein the halloysite nanofiber accounts for 60-80% by mass, and the diatomite accounts for 20-40% by mass, preferably, the halloysite nanofiber accounts for 80% by mass, and the diatomite accounts for 20% by mass, or the halloysite nanofiber accounts for 70% by mass, and the diatomite accounts for 30% by mass, or the halloysite nanofiber accounts for 60% by mass, and the diatomite accounts for 40% by mass.
The water reducing agent is formed by mixing 10-20% of calcium chloride, 20-40% of calcified polyacid and 50-70% of organic silicon by mass percentage, and the total mass percentage is 100%; preferably, the mass percentages of the components are 10% of calcium chloride, 20% of calcified polyacid and 70% of organic silicon, or 20% of calcium chloride, 30% of calcified polyacid and 60% of organic silicon, or 10% of calcium chloride, 40% of calcified polyacid and 50% of organic silicon.
The thickening agent is formed by mixing 10-20% of sodium carboxymethyl cellulose and 80-90% of sodium polyphosphate carboxyl; preferably 10% of sodium methylcellulose, 90% of sodium polyphosphate, or 20% of sodium carboxymethylcellulose and 80% of sodium polyphosphate.
When the green macromolecular compound sludge curing agent is applied, the green macromolecular compound sludge curing agent accounting for 1-5% of the mass of the sludge is added into the sludge to be treated, and after the sludge is uniformly mixed and stirred, the treated sludge is directly transported to a sludge field or directly backfilled, so that the green treatment and resource recycling of the sludge are realized.
The halloysite nanofiber, the calcified polyacid, the sodium carboxymethylcellulose and the sodium polyphosphate in the green macromolecular compound sludge curing agent can spontaneously absorb free water when entering sludge soil, and react with free calcium ions, soil particles, water and the like to form colorless transparent viscous substances, the soil particles are polymerized into a whole to realize the primary rapid curing of soil, and in the later curing process, the calcified polyacid viscous layer reacts with carbon dioxide in the air to gradually convert into a calcium carbonate network, so that the curing strength is further improved.
The calcium oxide, the tricalcium silicate and the tricalcium aluminate in the green macromolecular compound sludge curing agent cannot have a curing effect on sludge independently, but the calcium oxide, the tricalcium silicate and the tricalcium aluminate can have an effect of promoting other curing agents to cure sludge, and the calcium oxide ensures that Ca in solution has a curing effect on sludge2+Increasing, namely replacing low-valence ions with high-valence ions through ion exchange to reduce the radius of hydrated ions so as to thin an electric double layer and enable clay particles to be easy to agglomerate; calcified polyacid is susceptible to acid and metal ion to lower viscosity, and calcium oxide can maintain the solution alkaline, wherein Ca2+Forming insoluble salt with hydration products of halloysite nanofiber, calcified polyacid, sodium carboxymethylcellulose and sodium polyphosphate to cause molecular crosslinking and gelation precipitation;the organic silicon can improve the viscosity performance, the independent organic silicon has no effect on sludge solidification, but the viscosity material performance is improved under the condition that calcified polyacid exists, so that the organic silicon is added on the basis that calcium oxide is used as a curing agent, and the organic silicon is mainly polymerized by water of methyl chlorosilane to form an organic silicon network, so that the aim of improving the solidification strength of soil particles is fulfilled.
The curing mechanism of the green macromolecular compound sludge curing agent is as follows: the curing agent is dissolved in free water of the sludge to form a molecular chain-shaped micro unit, and the side chain groups of the curing agent and soil particles have an electrostatic chelation effect with soil mineral ions to further strengthen the network, and simultaneously lock the free water to make the free water lose fluidity, similar to bound water; finally, the soil particles and the curing agent are mineralized to form mineralized chains, and the curing strength is enhanced.
Compared with the prior art, the invention adopts various high molecular polymers and is matched with auxiliary adhesive, water reducing agent and thickening agent, under the interaction, the reaction rate of the curing agent and the sludge is high, the water content of the cured sludge is close to the optimal water content, the mechanical property is good, the requirement of roadbed filling can be met, the cost is low, the curing time is short, the efficiency is high, and the environment is friendly.
Description of the drawings:
FIG. 1 is an electron micrograph (100 μm) of the inventive silt-covered soil.
FIG. 2 is an electron micrograph (20 μm) of the inventive silt-covered soil.
FIG. 3 is an electron microscope scanning image (100 μm) of the solidified soil (5% solidifying agent) after the sludge of the present invention is solidified.
FIG. 4 is an electron microscope scanning image (20 μm) of the solidified soil (5% solidifying agent) after the sludge of the present invention is solidified.
In the attached drawing, the plain soil is of a sheet structure, and becomes a bulk structure after the curing agent is added, so that soil particles become large, and the pores among the particles become large.
The specific implementation mode is as follows:
the technical scheme of the present invention is further described below by specific examples 1 to 6.
Example 1:
the green macromolecular compound sludge curing agent is prepared from the following components in percentage by mass: 9% of calcium oxide, 6% of tricalcium silicate, 15% of tricalcium aluminate, 16% of halloysite nanofiber, 4% of diatomite, 3% of calcium chloride, 6% of calcified polyacid, 21% of organosilicon, 2% of sodium carboxymethylcellulose and 18% of sodium polyphosphate.
Example 2:
the green macromolecular compound sludge curing agent is prepared from the following components in percentage by mass: 12% of calcium oxide, 6% of tricalcium silicate, 12% of tricalcium aluminate, 16% of halloysite nanofiber, 4% of diatomite, 3% of calcium chloride, 6% of calcified polyacid, 21% of organosilicon, 2% of sodium carboxymethylcellulose and 18% of sodium polyphosphate.
Example 3:
the green macromolecular compound sludge curing agent is prepared from the following components in percentage by mass: 12% of calcium oxide, 6% of tricalcium silicate, 12% of tricalcium aluminate, 14% of halloysite nanofiber, 6% of diatomite, 3% of calcium chloride, 6% of calcified polyacid, 21% of organosilicon, 2% of sodium carboxymethylcellulose and 18% of sodium polyphosphate.
Example 4:
the green macromolecular compound sludge curing agent is prepared from the following components in percentage by mass: 12% of calcium oxide, 6% of tricalcium silicate, 12% of tricalcium aluminate, 14% of halloysite nanofiber, 6% of diatomite, 6% of calcium chloride, 6% of calcified polyacid, 18% of organosilicon, 2% of sodium carboxymethylcellulose and 18% of sodium polyphosphate.
Example 5:
the green macromolecular compound sludge curing agent is prepared from the following components in percentage by mass: 12% of calcium oxide, 6% of tricalcium silicate, 12% of tricalcium aluminate, 14% of halloysite nanofiber, 6% of diatomite, 6% of calcium chloride, 6% of calcified polyacid, 18% of organosilicon, 4% of sodium carboxymethylcellulose and 16% of sodium polyphosphate.
Example 6:
in the embodiment, a non-lateral limit compression test, a direct shear test and a bearing ratio test are carried out by taking mucky soil encountered in certain project construction as a raw material, the curing agent of the embodiments 1 to 5 and an inorganic curing agent taking fly ash as a main component are used as comparative examples to cure the mucky, the addition is referred to soil curing agent application technical standard CJJ/T286-2018) to carry out construction according to a conventional engineering implementation method for reinforcing the mucky by using the curing agent, the mechanical properties of the reinforced mucky are measured by referring to geotechnical test method standard GBT 50123 and 2019, and the detection results are shown in Table 1.
Table 1: test results of solidified soil
As can be seen from Table 1, compared with the currently common inorganic curing agent which takes fly ash as a main component, the equivalent curing agent of the embodiment has the advantages that the unconfined compressive strength, the shear strength and the CBR are improved by 2-3 times; the curing agent provided by the embodiment can obviously improve the strength of the silt, the CBR value of the silt treated by the curing agent provided by the embodiment is larger than the requirement of the minimum CBR value (8%) of the highway filler in the standard JTG F10-2006 Highway subgrade construction technical Specification in the transportation industry, the cured silt can be used as the highway filler, and the cured silt has good economical efficiency and green environmental protection characteristics.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. A green high molecular compound sludge curing agent is characterized by comprising the following components in percentage by mass: 30% of adhesive, 20% of auxiliary adhesive, 30% of water reducing agent and 20% of thickening agent, and the components are uniformly mixed according to the proportion during preparation.
2. The green polymer compound sludge curing agent as claimed in claim 1, wherein the binder is formed by mixing 30-50% by mass of calcium oxide, 20% by mass of tricalcium silicate and 30-50% by mass of tricalcium aluminate.
3. The green polymer compound sludge curing agent as claimed in claim 1, wherein the auxiliary binder is prepared by mixing halloysite nanofibers and diatomite, and the mass percentages of the halloysite nanofibers and the diatomite are 60-80% and 20-40%.
4. The green polymer compound sludge curing agent as claimed in claim 1, wherein the water reducing agent is prepared by mixing 10-20% by mass of calcium chloride, 20-40% by mass of calcific polyacid and 50-70% by mass of organosilicon, and the total mass percentage is 100%.
5. The green polymer compound sludge curing agent as claimed in claim 1, wherein the thickener is formed by mixing 10-20% of sodium carboxymethyl cellulose and 80-90% of sodium polyphosphate carboxyl.
6. The application of the green macromolecular compound sludge curing agent as claimed in claim 1, characterized in that the green macromolecular compound sludge curing agent accounting for 1% -5% of the mass of the sludge is added into the sludge to be treated, and after the sludge is uniformly mixed and stirred, the treated sludge is directly transported to a sludge field or directly backfilled, so that the green treatment and resource reutilization of the sludge are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110007263.5A CN112759339B (en) | 2021-01-05 | 2021-01-05 | Green macromolecular compound sludge curing agent and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110007263.5A CN112759339B (en) | 2021-01-05 | 2021-01-05 | Green macromolecular compound sludge curing agent and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112759339A true CN112759339A (en) | 2021-05-07 |
| CN112759339B CN112759339B (en) | 2021-12-07 |
Family
ID=75699222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110007263.5A Active CN112759339B (en) | 2021-01-05 | 2021-01-05 | Green macromolecular compound sludge curing agent and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112759339B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113402216A (en) * | 2021-08-10 | 2021-09-17 | 中国市政工程华北设计研究总院有限公司 | Shield muck curing agent and resource utilization method thereof |
| CN116041008A (en) * | 2022-12-19 | 2023-05-02 | 上海海顾新材料科技有限公司 | Sludge solid waste resource utilization method and application thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5716448A (en) * | 1994-07-05 | 1998-02-10 | Mbt Holding Ag | Hydraulic composite |
| JP2001323265A (en) * | 2000-05-12 | 2001-11-22 | Jiro Fujimasu | Stably solidifying composition for viscous soil, or the like |
| CN1803691A (en) * | 2006-01-25 | 2006-07-19 | 凌贤长 | Constructional material curing agent and its application in constructional material |
| CN106865952A (en) * | 2017-03-20 | 2017-06-20 | 北京君联合环境科技有限公司 | A kind of method of sludge adjusting material and its application and quenched sludge |
| CN106995263A (en) * | 2017-06-06 | 2017-08-01 | 浙江工业大学温州科学技术研究院 | A kind of processing method of electroplating sludge |
| CN107200451A (en) * | 2017-07-21 | 2017-09-26 | 曹恩惠 | A kind of NEW TYPE OF COMPOSITE materialization agglutinant and river course, lake desilting in situ and ecological reestablishment |
| CN107226661A (en) * | 2017-04-28 | 2017-10-03 | 余思哲 | A kind of dredging silt composite curing agent and preparation method thereof |
| CN107417060A (en) * | 2017-08-28 | 2017-12-01 | 湖南奇思环保有限公司 | A kind of curing agent and its synthetic method and application |
| CN108298854A (en) * | 2018-03-12 | 2018-07-20 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Sludge solidification/stabilisation curing agent and its preparation method and application |
| CN109485372A (en) * | 2018-12-14 | 2019-03-19 | 浙江加州国际纳米技术研究院台州分院 | A kind of shallow-layer muck soil curing agent and its application method |
| CN110002701A (en) * | 2019-03-21 | 2019-07-12 | 中运建设控股有限公司 | Dredged bed mud soil processing method |
| CN111569837A (en) * | 2020-05-28 | 2020-08-25 | 南京瑞奇澳环保科技有限公司 | Multifunctional soil heavy metal pollutant adsorbent and preparation method thereof |
| CN111995339A (en) * | 2020-07-16 | 2020-11-27 | 天津大学前沿技术研究院有限公司 | Anti-scouring solidified soil for ocean platform and preparation method thereof |
-
2021
- 2021-01-05 CN CN202110007263.5A patent/CN112759339B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5716448A (en) * | 1994-07-05 | 1998-02-10 | Mbt Holding Ag | Hydraulic composite |
| JP2001323265A (en) * | 2000-05-12 | 2001-11-22 | Jiro Fujimasu | Stably solidifying composition for viscous soil, or the like |
| CN1803691A (en) * | 2006-01-25 | 2006-07-19 | 凌贤长 | Constructional material curing agent and its application in constructional material |
| CN106865952A (en) * | 2017-03-20 | 2017-06-20 | 北京君联合环境科技有限公司 | A kind of method of sludge adjusting material and its application and quenched sludge |
| CN107226661A (en) * | 2017-04-28 | 2017-10-03 | 余思哲 | A kind of dredging silt composite curing agent and preparation method thereof |
| CN106995263A (en) * | 2017-06-06 | 2017-08-01 | 浙江工业大学温州科学技术研究院 | A kind of processing method of electroplating sludge |
| CN107200451A (en) * | 2017-07-21 | 2017-09-26 | 曹恩惠 | A kind of NEW TYPE OF COMPOSITE materialization agglutinant and river course, lake desilting in situ and ecological reestablishment |
| CN107417060A (en) * | 2017-08-28 | 2017-12-01 | 湖南奇思环保有限公司 | A kind of curing agent and its synthetic method and application |
| CN108298854A (en) * | 2018-03-12 | 2018-07-20 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Sludge solidification/stabilisation curing agent and its preparation method and application |
| CN109485372A (en) * | 2018-12-14 | 2019-03-19 | 浙江加州国际纳米技术研究院台州分院 | A kind of shallow-layer muck soil curing agent and its application method |
| CN110002701A (en) * | 2019-03-21 | 2019-07-12 | 中运建设控股有限公司 | Dredged bed mud soil processing method |
| CN111569837A (en) * | 2020-05-28 | 2020-08-25 | 南京瑞奇澳环保科技有限公司 | Multifunctional soil heavy metal pollutant adsorbent and preparation method thereof |
| CN111995339A (en) * | 2020-07-16 | 2020-11-27 | 天津大学前沿技术研究院有限公司 | Anti-scouring solidified soil for ocean platform and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 杨久俊等: "黄河淤泥制备黏土基墙体材料性能研究", 《混凝土与水泥制品》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113402216A (en) * | 2021-08-10 | 2021-09-17 | 中国市政工程华北设计研究总院有限公司 | Shield muck curing agent and resource utilization method thereof |
| CN116041008A (en) * | 2022-12-19 | 2023-05-02 | 上海海顾新材料科技有限公司 | Sludge solid waste resource utilization method and application thereof |
| CN116041008B (en) * | 2022-12-19 | 2024-05-28 | 上海海顾新材料科技有限公司 | Sludge solid waste resource utilization method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112759339B (en) | 2021-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109133754B (en) | Sludge foundation material and method for constructing roadbed by using foundation material | |
| CN112759339B (en) | Green macromolecular compound sludge curing agent and application thereof | |
| CN101602567B (en) | Waste mud solidification processing method based on polypropylene acetamide | |
| CN101708985A (en) | Quick-hardening high-early strength concrete-based composite material for maritime work | |
| CN102060483A (en) | Nanometer reinforcing method of completely-regenerative concrete aggregate | |
| CN111704384B (en) | Liquid stabilizer for engineering building muck and mud solidified soil and use method thereof | |
| CN111393083A (en) | Full-solid-waste high-performance concrete and preparation method and application thereof | |
| CN111205035B (en) | Backfill prepared from red mud and wastewater as well as preparation method and application thereof | |
| CN108383406A (en) | The method of modified coal ash | |
| CN109336456B (en) | Red mud-based asphalt mixture warm-mixing agent and preparation method thereof | |
| CN107651907A (en) | The environmental high ductility cement-base composite material and method prepared with organic waste | |
| CN111470813A (en) | Solidified soil using high molecular emulsion as soil solidifying agent and preparation method thereof | |
| CN115594373A (en) | Solid waste-based sludge curing agent and preparation method thereof | |
| CN103965918A (en) | Curing agent for water quenching manganese slag mollisol | |
| CN114790096A (en) | Solidified sludge block reinforced by waste glass fiber reinforced plastics and preparation method thereof | |
| CN101844904A (en) | Brucite fiber reinforced fly ash composite material | |
| CN114477926A (en) | Fluid solidified soil based on slurry shield waste slurry and muck and preparation method thereof | |
| CN112551987B (en) | Preparation method for quickly recycling over-wet soft soil into light filling soil | |
| CN116217022A (en) | Sludge curing agent, preparation method and application of cured sludge | |
| CN115710112A (en) | Dredged sludge composite curing agent and preparation method and application thereof | |
| CN111607405B (en) | Application method of environment-friendly composite curing agent | |
| CN114956770A (en) | High-performance non-calcium-based engineering muck curing agent and engineering muck curing method | |
| CN112225512A (en) | Soil curing agent and using method thereof | |
| CN112408906A (en) | Novel dry-mixed masonry mortar and preparation method thereof | |
| CN115677280B (en) | Geopolymer-based functional slurry and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gu Linlin Inventor after: Long Jiao Inventor after: Wang Zhen Inventor after: Xue Danxuan Inventor after: Xie Aming Inventor before: Gu Linlin Inventor before: Long Jiao Inventor before: Wang Zhen Inventor before: Xie Aming |
|
| CB03 | Change of inventor or designer information |