CN111205035A - Backfill prepared from red mud and wastewater as well as preparation method and application thereof - Google Patents
Backfill prepared from red mud and wastewater as well as preparation method and application thereof Download PDFInfo
- Publication number
- CN111205035A CN111205035A CN202010053325.1A CN202010053325A CN111205035A CN 111205035 A CN111205035 A CN 111205035A CN 202010053325 A CN202010053325 A CN 202010053325A CN 111205035 A CN111205035 A CN 111205035A
- Authority
- CN
- China
- Prior art keywords
- red mud
- wastewater
- parts
- backfill
- prepared
- 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
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
- C04B28/04—Portland cements
-
- 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
- C04B28/06—Aluminous cements
-
- 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
- C04B28/06—Aluminous cements
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
-
- 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
- C04B28/34—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 cold phosphate binders
-
- 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
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
-
- 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
-
- 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
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of recycling of red mud and other wastes, in particular to a backfill material prepared by red mud in cooperation with wastewater and a preparation method and application thereof. The backfill material prepared by the red mud and the wastewater comprises the following components in parts by weight: 60-90 parts of red mud, 5-20 parts of cementing agent, 0.5-2.0 parts of water reducing agent, 2-8 parts of exciting agent and 40-80 parts of waste water. The red mud contains components with potential gelling activity such as calcium oxide, aluminum oxide, silicon oxide and the like, and can generate a hydration reaction under the action of an excitant and a cementing agent, so that the strength of a stone body is improved; the wastewater contains pollution factors such as heavy metal elements and organic components, but can be fixed in the stone bodies of the roadbed backfill in the hydration hardening process in the modes of chemical bonding, physical sealing and the like, so that the utilization of the wastewater is realized, the pollution factors in the backfill are prevented from leaking, and the material disclosed by the invention has the characteristics of environmental friendliness.
Description
Technical Field
The invention relates to the technical field of recycling of red mud and other wastes, in particular to a backfill material prepared by red mud in cooperation with wastewater and a preparation method and application thereof.
Background
The information disclosed in this background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
With the rapid development of the economy of China, the construction of the basic traffic comes to build the high tide. In the process of constructing a large number of highways, expressways and railways, unfavorable geologic bodies such as goafs and the like can be encountered, and a large amount of filling materials are needed for backfilling the goafs of the roadbeds. At present, the cost of cement is high, the construction cost of roadbed backfilling is increased, and the roadbed backfilling by utilizing the industrial solid waste with gelling activity has wide market prospect.
The red mud is red solid powdery waste discharged in the industrial production process of aluminum oxide smelting. It is estimated that the amount of red mud discharged worldwide every year is about 6000 million tons, the amount of red mud discharged in China only in the production process of alumina reaches 600 million tons, all the red mud is stockpiled in the open air, and most of the dam bodies of the storage yard are constructed by the red mud. The red mud stacking not only occupies a large amount of land and consumes more yard construction and maintenance cost, but also causes underground water and soil pollution because alkali in the red mud permeates underground. Dust formed by the naked red mud flies with wind, pollutes the atmosphere, causes negative influence on the survival of human beings, animals and plants and deteriorates the ecological environment.
In the daily life and production process of human beings, industrial and domestic wastewater is discharged in large quantity, which causes serious environmental pollution. Meanwhile, in roadbed filling engineering, a large amount of water is required for slurry preparation. For example, in a mine filling material disclosed in patent document CN108947435A for cooperatively treating heavy metal wastewater in a mine and a preparation method thereof, red mud, phosphogypsum, hemihydrate gypsum, fly ash, lime, an activator and heavy metal wastewater in the mine are put into a cement mixer and stirred for 5-40 min, so as to obtain the filling material for filling mine pits.
Disclosure of Invention
Aiming at the problems, the invention provides a backfill material prepared by red mud and wastewater as well as a preparation method and application thereof. The roadbed backfill prepared by using the red mud, the wastewater, the cementing agent and the water reducing agent as raw materials has the characteristics of high solid waste utilization rate, high strength, micro-expansion of stone bodies and environmental protection.
In order to achieve the purpose, the invention adopts the following technical means:
firstly, the invention discloses a backfill material prepared by red mud and wastewater, which comprises the following raw materials in parts by weight: 60-90 parts of red mud, 5-20 parts of cementing agent, 0.5-2.0 parts of water reducing agent, 2-8 parts of exciting agent and 40-80 parts of waste water.
Preferably, the raw materials of the backfill prepared by the red mud synergistic wastewater comprise the following components in parts by weight: 60-70 parts of red mud, 5-20 parts of cementing agent, 0.8-1.0 part of water reducing agent, 5-8 parts of exciting agent and 40-60 parts of waste water. Tests show that when the raw material proportion in the range is selected, the performance of the obtained backfill material is better.
Further, the red mud comprises at least one of Bayer process red mud, sintering process red mud or combination process red mud, the red mud is dried until the moisture content is less than 1 percent, and is ground to the specific surface area of 440-500m2In terms of/kg. The red mud contains components with potential gelling activity such as calcium oxide, aluminum oxide, silicon oxide and the like, and is formed by hydration reaction and hardening through dissolution, dispersion, polymerization and dehydration of aluminosilicate components under the action of an excitant and a cementing agent, so that the strength of a stone body is improved; the waste water contains heavy metal elements and organic substancesThe components and other pollution factors, but the heavy metal ions in the wastewater can participate in hydration reaction in the processes of material excitation hardening through chemical bonding, physical sealing and other modes, and the heavy metal ions and organic matters are fixed in the stone body of the roadbed backfill, so that the leaching of harmful substances is reduced, the green and environment-friendly effects of the materials are ensured, and the organic components and inorganic ions (Ca) in the wastewater2+) Can participate in hydration reaction, and has the functions of improving mechanical strength and shortening coagulation time. Compared with the technical scheme in the patent literature mentioned in the background technology, the main raw material of the invention is industrial high-risk wastewater which has extremely low utilization rate and is different from mine heavy metal wastewater essentially, and the synchronous resource utilization of solid and liquid wastes is realized by utilizing the characteristics of the industrial wastewater and the cooperative solidification of heavy metal ions in two solid and liquid raw materials of the industrial solid wastes.
Further, the cementing agent includes at least one of portland cement, sulphoaluminate cement, ferro-aluminate cement, magnesium phosphate cement, and the like.
Further, the water reducing agent includes at least one of a polycarboxylic acid water reducing agent, a naphthalene water reducing agent, an aliphatic water reducing agent, and the like.
Further, the excitant comprises at least one of industrial caustic sludge, sodium hydroxide, potassium hydroxide, water glass, desulfurized gypsum, phosphogypsum, fluorgypsum and the like.
Further, the wastewater comprises at least one of red mud filter-press leachate, steel wastewater, chemical organic wastewater, domestic sewage and the like.
Secondly, the invention discloses a preparation method of the multi-solid waste high-performance concrete, which comprises the following steps: mixing red mud powder, mineral binder, water reducing agent, exciting agent and waste water according to a certain proportion, and uniformly stirring to obtain the invented product.
Further, the preparation method of the red mud powder comprises the following steps: crushing and drying the red mud, and then putting the red mud into a ball mill for grinding until the specific surface area is 440-500m2and/Kg, thus obtaining the product.
Further, in the above preparation method, the water-cement ratio is 0.6-1.0.
Finally, the invention discloses application of the backfill material prepared by the red mud and the wastewater in the fields of building engineering, road engineering, bridge engineering and the like.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) the backfill prepared by the red mud and the wastewater has the advantages of high strength, micro-expansion in volume, environmental friendliness, low cost and the like.
(2) The backfill prepared by the red mud and the wastewater can greatly utilize solid waste and wastewater, and realize resource utilization of waste.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described above, the large discharge and low utilization of red mud, industrial, domestic wastewater, etc. cause a large amount of environmental pollution. Therefore, the invention provides a backfill material prepared by red mud and wastewater and a preparation method thereof; the invention will now be further described with reference to specific embodiments.
First embodiment
The preparation method of the backfill material prepared by the red mud and the wastewater comprises the following steps:
(1) weighing the following raw materials in parts by weight: 60 parts of Bayer process red mud (purchased from Shandong Wei Qiaoqiao Chuangye group Co., Ltd.), 20 parts of portland cement, 1.0 part of polycarboxylic acid water reducing agent, 8 parts of sodium hydroxide and 40 parts of steel high-salt wastewater (Shandong Steel group Co., Ltd.).
Table 2. chemical composition of wastewater
(2) Crushing and drying the red mud in the step (1) until the water content is less than 1%, and then putting the red mud into a ball mill for grinding until the specific surface area is 440-500m2and/Kg, obtaining red mud powder, mixing the red mud powder with Portland cement, a polycarboxylic acid water reducing agent, sodium hydroxide and wastewater, and stirring for 10min to obtain the cement.
Second embodiment
The preparation method of the backfill material prepared by the red mud and the wastewater comprises the following steps:
(1) weighing the following raw materials in parts by weight: 70 parts of sintering red mud (purchased from Shandong Wei Qiao Chuangindustrial group Co., Ltd.), 5 parts of sulphoaluminate cement, 0.8 part of naphthalene water reducer, 5 parts of sodium silicate and 60 parts of steel high-salt wastewater.
(2) Crushing and drying the red mud in the step (1) until the water content is less than 1%, and then putting the red mud into a ball mill for grinding until the specific surface area is 440-500m2and/Kg, obtaining red mud powder, mixing the red mud powder with Portland cement, a polycarboxylic acid water reducing agent, sodium hydroxide and wastewater, and stirring for 10min to obtain the cement.
Third embodiment
The preparation method of the backfill material prepared by the red mud and the wastewater comprises the following steps:
(1) weighing the following raw materials in parts by weight: 80 parts of sintering red mud (purchased from Shandong Wei Qiao Chuangyao Limited company), 10 parts of ferro-aluminate cement, 0.5 part of naphthalene water reducer, 2 parts of sodium silicate and 70 parts of red mud filter-pressed percolate (Shandong Wei Qiao Chuangyao Limited company).
(2) Crushing and drying the red mud in the step (1) until the water content is less than 1%, and then putting the red mud into a ball mill for grinding until the specific surface area is 440-500m2Per Kg, red mud powder is obtained and is mixed with silicic acidMixing the salt cement, the polycarboxylic acid water reducing agent, the sodium hydroxide and the wastewater, and stirring for 15min to obtain the cement.
Fourth embodiment
The preparation method of the backfill material prepared by the red mud and the wastewater comprises the following steps:
(1) weighing the following raw materials in parts by weight: 90 parts of sintering red mud (purchased from Shandong Wei bridge venture group Co., Ltd.), 18 parts of magnesium phosphate cement, 2.0 parts of carboxylic acid water reducing agent, 6 parts of desulfurized gypsum and 80 parts of chemical organic wastewater (COD 9500mg/L, conductivity 8400 mu s/cm, total alkalinity 220mg/L, total hardness 420mg/L and total iron 0.2mg/L of polyurethane chemical workshop).
(2) Crushing and drying the red mud in the step (1) until the water content is less than 1%, and then putting the red mud into a ball mill for grinding until the specific surface area is 440-500m2and/Kg, obtaining red mud powder, mixing the red mud powder with Portland cement, a polycarboxylic acid water reducing agent, sodium hydroxide and wastewater, and stirring for 15min to obtain the cement.
Performance testing
The concrete prepared in examples 1 to 4 was tested according to GBT 1346-2011 and GBT17671-1999 standards for various performance indexes, and the results are shown in Table 1.
TABLE 1
As can be seen from the test data in Table 1, the concrete prepared by the technical scheme of the invention has the advantages of short concrete setting time, high mechanical strength and low volume expansion rate. The red mud contains components with potential gelling activity such as calcium oxide, aluminum oxide, silicon oxide and the like, and can generate hydration reaction under the action of an excitant and a cementing agent, so that the strength of a stone body is improved; and pollution factors such as heavy metal elements, organic components and the like in the wastewater are fixed in the stone bodies of the roadbed backfill in the hydration hardening process in the modes of chemical bonding, physical sealing and the like, so that the utilization of the sewage is realized, the pollution factors in the fill are ensured not to be leaked, and the material disclosed by the invention has the characteristics of environmental friendliness.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The backfill prepared from the red mud and the wastewater is characterized by comprising the following raw materials in parts by weight: 60-90 parts of red mud, 5-20 parts of cementing agent, 0.5-2.0 parts of water reducing agent, 2-8 parts of exciting agent and 40-80 parts of waste water.
2. The backfill prepared from the red mud synergistic wastewater according to claim 1, which is characterized in that the backfill prepared from the red mud synergistic wastewater comprises the following raw materials in parts by weight: 60-70 parts of red mud, 5-20 parts of cementing agent, 0.8-1.0 part of water reducing agent, 5-8 parts of exciting agent and 40-60 parts of waste water.
3. The backfill prepared by the red mud synergistic wastewater according to the claim 1 or 2, characterized in that the red mud comprises at least one of Bayer process red mud, sintering process red mud or combination process red mud; preferably, the red mud is dried until the water content is less than 1 percent and is ground until the specific surface area is 440-500m2/kg。
4. The backfill prepared by the red mud synergistic with wastewater according to the claim 1 or 2, characterized in that the cementing agent comprises at least one of Portland cement, sulphoaluminate cement, ferro-aluminate cement, magnesium phosphate cement.
5. The backfill prepared by using the red mud in cooperation with the wastewater according to claim 1 or 2, wherein the water reducing agent comprises at least one of a polycarboxylic acid water reducing agent, a naphthalene water reducing agent and an aliphatic water reducing agent.
6. The red mud-synergistic wastewater produced backfill according to the claim 1 or 2, characterized in that the activator comprises at least one of industrial caustic sludge, sodium hydroxide, potassium hydroxide, water glass, desulfurized gypsum, phosphogypsum and fluorgypsum.
7. The backfill prepared by the red mud synergistic wastewater according to the claim 1 or 2, characterized in that the wastewater comprises at least one of red mud filter-press leachate, steel wastewater, chemical organic wastewater and domestic wastewater.
8. The method for preparing the backfill material by using the red mud in cooperation with the wastewater as claimed in any one of claims 1 to 7, which is characterized in that the backfill material is obtained by mixing red mud powder, a mineral cementing agent, a water reducing agent, an excitant and the wastewater according to a proportion and then uniformly stirring.
9. The method for preparing the backfill material prepared by the red mud synergistic wastewater according to claim 8, wherein the method for preparing the red mud powder comprises the following steps: crushing and drying the red mud, and then putting the red mud into a ball mill for grinding until the specific surface area is 440-500m2Per Kg, obtaining the product; preferably, in the above preparation method, the water-cement ratio is 0.6-1.0.
10. The use of the red mud of any one of claims 1 to 7 in combination with a backfill produced from a wastewater in the fields of construction engineering, road engineering, and bridge engineering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053325.1A CN111205035B (en) | 2020-01-17 | 2020-01-17 | Backfill prepared from red mud and wastewater as well as preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053325.1A CN111205035B (en) | 2020-01-17 | 2020-01-17 | Backfill prepared from red mud and wastewater as well as preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111205035A true CN111205035A (en) | 2020-05-29 |
| CN111205035B CN111205035B (en) | 2021-06-01 |
Family
ID=70781051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010053325.1A Active CN111205035B (en) | 2020-01-17 | 2020-01-17 | Backfill prepared from red mud and wastewater as well as preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111205035B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848077A (en) * | 2020-06-22 | 2020-10-30 | 山东大学 | Solid waste base baking-free environment-friendly hollow brick and preparation method thereof |
| CN112194443A (en) * | 2020-08-25 | 2021-01-08 | 广东同创科鑫环保有限公司 | Red mud-based mine filling cementing agent composition and preparation method thereof |
| CN114230303A (en) * | 2021-12-14 | 2022-03-25 | 安徽理工大学 | Alkali-activated concrete prepared from domestic sewage |
| CN116283351A (en) * | 2023-03-30 | 2023-06-23 | 烟台大学 | Alkali-red mud excited foam concrete, and preparation method and application thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002089940A2 (en) * | 2001-05-02 | 2002-11-14 | Jaquays Charles D | Building and other materials containing treated bauxite tailings and process for making same |
| WO2011089127A1 (en) * | 2010-01-20 | 2011-07-28 | Commissariat à l'énergie atomique et aux énergies alternatives | Method for preparing a composite material from waste and resulting material |
| CN103553489A (en) * | 2013-10-15 | 2014-02-05 | 河南理工大学 | Flyash cement-based filling material and its preparation method |
| CN104086216A (en) * | 2014-07-22 | 2014-10-08 | 武汉理工大学 | Biologic filling material utilizing multi-element solid wastes and preparation and application method thereof |
| KR20150037175A (en) * | 2013-09-30 | 2015-04-08 | 유한회사 홍주 | Solidified agent using red mud and manufacturing method of the same |
| CN106278070A (en) * | 2016-08-12 | 2017-01-04 | 刘兴才 | A kind of novel slurry filling filler |
| CN107857547A (en) * | 2017-12-05 | 2018-03-30 | 山西工程技术学院 | A kind of red mud sill for goaf filling |
| CN108359435A (en) * | 2018-02-06 | 2018-08-03 | 西南石油大学 | A kind of anchorage liquid prepared using red mud, slag and rejected well drilling liquid |
| CN108383471A (en) * | 2018-03-16 | 2018-08-10 | 山东大学 | The method for preparing injecting paste material using aqueous red mud collaboration blast-furnace cinder |
| WO2018166221A1 (en) * | 2017-03-17 | 2018-09-20 | 山东大学 | System and method for co-treating organic wastewater and industrial solid waste |
| CN108947435A (en) * | 2018-07-12 | 2018-12-07 | 昆明理工大学 | A kind of filling in mine material and preparation method thereof of cooperative disposal mine heavy metal wastewater thereby |
| CN110228990A (en) * | 2019-07-08 | 2019-09-13 | 山东大学 | A kind of preparation method of full solid waste upper flow regime Paste-like body filler |
-
2020
- 2020-01-17 CN CN202010053325.1A patent/CN111205035B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002089940A2 (en) * | 2001-05-02 | 2002-11-14 | Jaquays Charles D | Building and other materials containing treated bauxite tailings and process for making same |
| WO2011089127A1 (en) * | 2010-01-20 | 2011-07-28 | Commissariat à l'énergie atomique et aux énergies alternatives | Method for preparing a composite material from waste and resulting material |
| KR20150037175A (en) * | 2013-09-30 | 2015-04-08 | 유한회사 홍주 | Solidified agent using red mud and manufacturing method of the same |
| CN103553489A (en) * | 2013-10-15 | 2014-02-05 | 河南理工大学 | Flyash cement-based filling material and its preparation method |
| CN104086216A (en) * | 2014-07-22 | 2014-10-08 | 武汉理工大学 | Biologic filling material utilizing multi-element solid wastes and preparation and application method thereof |
| CN106278070A (en) * | 2016-08-12 | 2017-01-04 | 刘兴才 | A kind of novel slurry filling filler |
| WO2018166221A1 (en) * | 2017-03-17 | 2018-09-20 | 山东大学 | System and method for co-treating organic wastewater and industrial solid waste |
| CN107857547A (en) * | 2017-12-05 | 2018-03-30 | 山西工程技术学院 | A kind of red mud sill for goaf filling |
| CN108359435A (en) * | 2018-02-06 | 2018-08-03 | 西南石油大学 | A kind of anchorage liquid prepared using red mud, slag and rejected well drilling liquid |
| CN108383471A (en) * | 2018-03-16 | 2018-08-10 | 山东大学 | The method for preparing injecting paste material using aqueous red mud collaboration blast-furnace cinder |
| CN108947435A (en) * | 2018-07-12 | 2018-12-07 | 昆明理工大学 | A kind of filling in mine material and preparation method thereof of cooperative disposal mine heavy metal wastewater thereby |
| CN110228990A (en) * | 2019-07-08 | 2019-09-13 | 山东大学 | A kind of preparation method of full solid waste upper flow regime Paste-like body filler |
Non-Patent Citations (3)
| Title |
|---|
| LIU, YJ ET AL.: "Red mud as an amendment for pollutants in solid and liquid phases", 《GEODERMA》 * |
| 张正勇: "赤泥资源化利用技术的研究开发 ", 《广州化工》 * |
| 王林江等: "赤泥处理含镉废水的影响因素", 《桂林工学院学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848077A (en) * | 2020-06-22 | 2020-10-30 | 山东大学 | Solid waste base baking-free environment-friendly hollow brick and preparation method thereof |
| CN112194443A (en) * | 2020-08-25 | 2021-01-08 | 广东同创科鑫环保有限公司 | Red mud-based mine filling cementing agent composition and preparation method thereof |
| CN114230303A (en) * | 2021-12-14 | 2022-03-25 | 安徽理工大学 | Alkali-activated concrete prepared from domestic sewage |
| CN116283351A (en) * | 2023-03-30 | 2023-06-23 | 烟台大学 | Alkali-red mud excited foam concrete, and preparation method and application thereof |
| CN116283351B (en) * | 2023-03-30 | 2023-11-17 | 烟台大学 | Alkali-red mud excited foam concrete, and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111205035B (en) | 2021-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111205035B (en) | Backfill prepared from red mud and wastewater as well as preparation method and application thereof | |
| Hu et al. | Synthesis of rare earth tailing-based geopolymer for efficiently immobilizing heavy metals | |
| Lang et al. | Effectiveness of waste steel slag powder on the strength development and associated micro-mechanisms of cement-stabilized dredged sludge | |
| CN102060480B (en) | Composite curing agent for dredged silt in watercourse | |
| CN104909677B (en) | A kind of filling in mine sial base tailings cementing agent and preparation method thereof | |
| US20080179253A1 (en) | Porous Particulate Material For Fluid Treatment, Cementitious Composition and Method of Manufacture Thereof | |
| CN108218317A (en) | A kind of high-moisture percentage sullage solidifying method | |
| CN110759680B (en) | Red mud utilization method based on cooperative treatment of industrial tail gas, sewage treatment and green high-performance civil functional material | |
| CN105271630A (en) | Energy-saving and environment-protection sludge modified material and preparation method thereof | |
| CN101805161B (en) | Bonding agent of baking-free bricks prepared from drilling well solid waste materials | |
| CN111807783A (en) | Curing agent for curing landfill leachate membrane concentrated solution and evaporation mother liquor | |
| CN112194394A (en) | Preparation method of artificial building aggregate based on sludge | |
| CN111393083A (en) | Full-solid-waste high-performance concrete and preparation method and application thereof | |
| CN114525136B (en) | Red mud-based soil curing agent and preparation method thereof | |
| CN113880544A (en) | Silt soft soil curing agent and silt soft soil curing method | |
| CN108164247A (en) | High activity feldspathic sandstone cementitious material and preparation method thereof | |
| CN103319067A (en) | Environment-friendly type mud solidification method | |
| CN111762998A (en) | High-temperature activated composite sludge powder solidified dewatered sludge/silt and solidification method thereof | |
| Suo et al. | Influence and microscopic mechanism of the solid waste-mixture on solidification of Cu2+-contaminated soil | |
| CN103965918A (en) | Curing agent for water quenching manganese slag mollisol | |
| CN101412595A (en) | Method for preparing concrete admixture from kaoline tailing | |
| CN107473660A (en) | A kind of building block of high intensity sulfurizing iron tailing concrete and its preparation and application | |
| Xie et al. | Study on the green disposal of industrial high salt water and its performance as activator to prepare magnesium-coal based solid waste backfill material for mine | |
| CN109293327B (en) | Preparation and application methods of cement-free bulk industrial solid waste high-performance soil curing agent | |
| CN118047588A (en) | Waterproof soil curing agent and preparation method and application method 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 |