CN105837123A - Waterproof mortar and preparation method thereof - Google Patents
Waterproof mortar and preparation method thereof Download PDFInfo
- Publication number
- CN105837123A CN105837123A CN201610259472.8A CN201610259472A CN105837123A CN 105837123 A CN105837123 A CN 105837123A CN 201610259472 A CN201610259472 A CN 201610259472A CN 105837123 A CN105837123 A CN 105837123A
- Authority
- CN
- China
- Prior art keywords
- waterproof mortar
- preparation
- cement
- mine tailing
- raw materials
- Prior art date
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/12—Waste materials; Refuse from quarries, mining 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
- 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
- C04B28/08—Slag 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
-
- 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
Abstract
The invention belongs to the field of building materials and in particular relates to waterproof mortar with reversely floated siliceous tailings as main raw materials and a preparation method thereof. The preparation method is characterized by firstly mixing 50-75wt% of reversely floated siliceous tailings and 25-50wt% of cement, and adding the raw materials to a planetary stirrer to be stirred to mix the raw materials fully and uniformly; then adding water accounting for 25-33.5wt% of the raw materials, filling the raw materials in a die after stirring by adopting a stirring system and carrying out vibration molding on mortar vibration compaction equipment; and carrying out demolding after placement at room temperature and then carrying out curing, thus preparing the waterproof mortar product. The preparation method has the characteristics of environment friendliness, low production cost, simple raw material formula and production process, a wide range of application, and the like and has the effect of exploring a new method for carrying out high value added utilization on a large quantity of reversely floated siliceous tailings. The prepared cement-based waterproof mortar with the reversely floated siliceous tailings as the main raw materials has good waterproofness and durability.
Description
Technical field
The invention belongs to building material field, be specifically related to a kind of waterproof mortar with the siliceous mine tailing of reverse flotation as primary raw material and
Preparation method.
Background technology
Mineral resources are one of important substance bases of human survival and development.Along with the development of science and technology, the level of the productive forces
Improving, the kind of human use's mineral resources is the widest with quantity.But along with the exploitation of mineral resources, the yield of mine tailing
The biggest.Whole world mine tailing annual emissions is more than 10,000,000,000 tons, and wherein China's mine tailing annual emissions is up to more than 1,500,000,000 tons.
Recent statistics data show: China's mine tailing accumulation volume of cargo in storage is close to 15,000,000,000 tons.Mine tailing bulk deposition can cause many societies to ask
Topic.Particularly as follows: 1. environmental problem.Outstanding behaviours is occupied in soil, vegetation deterioration, land deterioration, desertification and dust are dirty
Dye, water pollution etc..2. the problems such as geological disaster are caused.Containing plurality of heavy metal ion and chemical agent in Tailings Dam, once
Have an accident, the life of downstream resident and property can be caused huge harm, environment is caused severe contamination；3. resource is caused
Serious waste.Containing a large amount of untapped valuable components in mine tailing, such as non-ferrous metal copper, ferrum, zinc, lead, stannum etc. and
A large amount of available stone-like pulse quartz, Anhydrites etc..
The utilization rate of some developed country's mine tailings is up to more than 60%, but the mill tailings utilization rate of China is the lowest at present, is only
18.9%, be mainly used in the following aspects: 1. spoil reclaming, reclaim valuable constituent；2. the dry row of mine tailing and reclaiming；3. mine tailing
Mining with stowing district；4. mine tailing produces building materials.At disclosed paper (F.L.da Silva, F.G.S.Ara ú jo, M.P.Teixeira, R.C.
Gomes,F.L.von Krüger.tudy of the recovery and recycling of tailings from the concentration of
Iron ore for the production of ceramic [J] .Ceramics International, 2014,12:16085-16089.) in, F.L.da
Silva et al. successfully utilizes iron tailings to be prepared for ceramic material；Disclosed paper (Yongliang Chen, Yimin Zhang,
Tiejun Chen,Yunliang Zhao,Shenxu Bao.Preparation of eco-friendly construction bricks from
Hematite tailings [J] .Construction and Building Materials, 2011,04:2107-2111.) in, Yongliang Chen
Et al. utilize low silicon bloodstone to be successfully prepared environment-friendly type steam-pressing brisk.Mine tailing having a high potential in terms of building materials is described；
Research shows, flotation tailing is the important component part of mine tailing.Flotation generally includes direct flotation and reverse flotation, the most counter floats
Selecting mine tailing surface to be adsorbed with a large amount of floating agent especially, floating agent hydrophobic side is outwardly directed arrangement, forms one layer on mine tailing surface
Hydrophobic layer, makes reverse flotation mine tailing show hydrophobic characteristic.On the other hand, reverse flotation mine tailing typically appear as siliceous chemistry
Characteristic, this point shows concordance with the chemical characteristic of aggregate in mortar.
Summary of the invention
It is contemplated that overcome prior art defect, the surface characteristic hydrophobic based on reverse flotation mine tailing and the characteristic of siliceous chemistry,
Proposing a kind of waterproof mortar and preparation method thereof, it belongs to environmental type and can significantly reduce the tailings glass of waterproof material cost
Method.
The present invention solves above-mentioned technical problem and be the technical scheme is that a kind of waterproof mortar, and its component and content thereof is:
The siliceous mine tailing of reverse flotation 50～75wt%；
Cement 25～50wt%
Also include the water accounting for above-mentioned raw materials 25～33.5wt%.
The preparation method of described waterproof mortar, is first 50～75wt% by the siliceous mine tailing of reverse flotation, and cement is 25～50wt%
Dispensing, joins in planetary stirring machine and stirs, make raw material be sufficiently mixed uniformly；It is subsequently adding and accounts for above-mentioned raw materials 25～33.5wt%
Water, take stirring system stirring after, die-filling, vibration moulding on glue sand vibration table；The demoulding after room temperature placement, after the demoulding,
Carry out maintenance and prepare waterproof mortar product.
By such scheme, the SiO of the siliceous mine tailing of described reverse flotation2Content in more than 70wt%, particle size range is
0.38～0.074mm.
By such scheme, described cement is portland cement, Portland cement, portland-pozzolan cement, flyash
Portland cement, portland slag cement or composite Portland cement.
By such scheme, described curing temperature 20 ± 3 DEG C, maintenance relative humidity more than 90%.
By such scheme, described stirring system is to stir under the conditions of paddle rotation 140 ± 5r/min, revolution 62 ± 5r/min
1～4min, under the conditions of paddle rotation 258 ± 10r/min, revolution 125 ± 10r/min, stir 0.5～2min.
By such scheme, described time of vibration is 2～5min；Room temperature standing time 12～48h.
By such scheme, mixing time 3～10min in planetary stirring machine.
By such scheme, the siliceous mine tailing of described reverse flotation is metal ion for using activator, and collecting agent is ion-type collecting agent
Common process gained.
Owing to using technique scheme, the method have the advantages that
1, widen the approach that mining tailing utilizes, improve the utilization rate of mine tailing.Alleviate and cause because mine tailing piles up with improving
Series of problems, it is achieved that engineering of comprehensive utilization of mineral；
2, the polymer waterproofing agent that conventional waterproof mortar is added is expensive, account for the overwhelming majority of whole production cost, and this
Invention takes abundant and cheap resource of tailings for mainly to prepare raw material, significantly reduces the preparation cost of waterproof mortar；
3, conventional waterproof mortar typically spreads upon surface of wall and does waterproof layer, and shock resistance is poor, infiltration easy to crack, service life
Short, construction requirement is high.And the present invention can be used for building block, because internal, surface is homogeneous phase, there is inside, surface the most hydrophobic
Character, drastically increase water-resisting property and the durability of waterproof mortar.
4, technology of preparing of the present invention is simple, and structure is closely knit, and comprcssive strength is high, can be used for the infrastructure projects such as water-tight corrosion-proof；
Therefore, the present invention has that environmental friendliness, production cost be low, composition of raw materials and the feature such as production technology is simple, of many uses,
And opened up the new method of the reverse flotation large high value added utilization of siliceous mine tailing；Prepared with the siliceous mine tailing of reverse flotation for the most former
The cement-based waterproof mortar water proofing property of material and superior in durability.
Detailed description of the invention
In order to be more fully understood that the present invention, it is further elucidated with present disclosure below in conjunction with embodiment, but present disclosure is not
It is limited only to following case study on implementation.
For avoiding repeating, first it is described as follows same to raw material to be related to for this detailed description of the invention or technological parameter, enforcement case
Example repeats no more:
Activator used by the siliceous mine tailing of reverse flotation is metal ion, and collecting agent used is ion-type collecting agent；Reverse flotation is siliceous
The SiO of mine tailing2Content is at more than 70wt%, and particle size range is 0.38～0.074mm；Cement can be portland cement, common
Portland cement, portland-pozzolan cement, Portland fly ash cement, portland slag cement or composite Portland cement.
Water absorption rate uses standard BS EN 1925-1999 (Natural stone test methods-Determination of water
Absorption coefficient by capillarity) test.
Embodiment 1
A kind of waterproof mortar with the siliceous mine tailing of reverse flotation as primary raw material and preparation method thereof, the component of this waterproof mortar and containing
Amount is: the siliceous mine tailing of reverse flotation is 50wt%, and Portland cement is 50wt%；
The preparation method of this waterproof mortar is: first by above-mentioned raw materials component and content dispensing, joins in planetary stirring machine and stirs
Mix 3～10min, make raw material be sufficiently mixed uniformly；Be subsequently adding the water of above-mentioned raw materials 33.5wt%, paddle rotation 140 ±
1～4min is stirred, at paddle rotation 258 ± 10r/min, revolution 125 ± 10r/min under the conditions of 5r/min, revolution 62 ± 5r/min
Under the conditions of stir after 0.5～2min, die-filling, glue sand vibration table vibrates 2～5min molding；Room temperature is de-after placing 12～48h
Mould, after the demoulding, carries out maintenance (temperature 20 ± 3 DEG C, relative humidity more than 90%) and prepares waterproof mortar product.
Mine tailing is changed into conventional quartz sand (granularity is 0.38～0.074mm), repeat the above steps, prepares contrast product.
Waterproof mortar product structure prepared by the present embodiment is closely knit, has good impermeability and crushing resistance.3d water absorption rate is
37.23g/m2s0.5, later stage water absorption rate has reduction trend；3d comprcssive strength reaches more than 30MPa, and later strength also has growth trend.
Contrast product structure is closely knit, and compressive property is good, impervious general.3d water absorption rate is 97.18g/m2s0.5, later stage water absorption rate has and subtracts
Little trend；3d comprcssive strength reaches more than 30MPa, and later strength also has growth trend.
Embodiment 2
A kind of waterproof mortar with the siliceous mine tailing of reverse flotation as primary raw material and preparation method thereof, the component of this waterproof mortar and containing
Amount is: the siliceous mine tailing of reverse flotation is 66.7wt%, and Portland cement is 33.3wt%；
The preparation method of this waterproof mortar is: first by above-mentioned raw materials component and content dispensing, joins in planetary stirring machine and stirs
Mix 3～10min, make raw material be sufficiently mixed uniformly；Be subsequently adding the water of above-mentioned raw materials 29.26wt%, paddle rotation 140 ±
1～4min is stirred, at paddle rotation 258 ± 10r/min, revolution 125 ± 10r/min under the conditions of 5r/min, revolution 62 ± 5r/min
Under the conditions of stir after 0.5～2min, die-filling, glue sand vibration table vibrates 2～5min molding；Room temperature is de-after placing 12～48h
Mould, after the demoulding, carries out maintenance (temperature 20 ± 3 DEG C, relative humidity more than 90%) and prepares waterproof mortar product.
Mine tailing is changed into conventional quartz sand (granularity is 0.38～0.074mm), repeat the above steps, prepares contrast product.
Cement-based waterproof mortar product structure prepared by the present embodiment is closely knit, has good impermeability and crushing resistance.3d water absorption rate
For 61.35g/m2s0.5, later stage water absorption rate has reduction trend；3d comprcssive strength reaches more than 10MPa, and later strength also growth becomes
Gesture.Contrast product structure is closely knit, and compressive property is good, impervious general.3d water absorption rate is 165.98g/m2s0.5, later stage water absorption rate
There is reduction trend；3d comprcssive strength reaches more than 10MPa, and later strength also has growth trend.
Embodiment 3
A kind of waterproof mortar with the siliceous mine tailing of reverse flotation as primary raw material and preparation method thereof, the component of this waterproof mortar and containing
Amount is: the siliceous mine tailing of reverse flotation is 75wt%, and Portland cement is 25wt%；
The preparation method of this waterproof mortar is: first by above-mentioned raw materials component and content dispensing, joins in planetary stirring machine and stirs
Mix 3～10min, make raw material be sufficiently mixed uniformly；Be subsequently adding the water of above-mentioned raw materials 25wt%, paddle rotation 140 ± 5r/min,
1～4min is stirred, under the conditions of paddle rotation 258 ± 10r/min, revolution 125 ± 10r/min under the conditions of revolution 62 ± 5r/min
After stirring 0.5～2min, die-filling, glue sand vibration table vibrates 2～5min molding；The demoulding after room temperature placement 12～48h, de-
After mould, carry out maintenance (temperature 20 ± 3 DEG C, relative humidity more than 90%) and prepare waterproof mortar product.
Mine tailing is changed into conventional quartz sand (granularity is 0.38～0.074mm), repeat the above steps, prepares contrast product.
Waterproof mortar product structure prepared by the present embodiment is closely knit, has good impermeability and crushing resistance.3d water absorption rate is
72.42g/m2s0.5, later stage water absorption rate has reduction trend；3d comprcssive strength reaches more than 6MPa, and later strength also has growth trend.
Contrast product structure is closely knit, and compressive property is good, impervious general.3d water absorption rate is 278.78g/m2s0.5, later stage water absorption rate has and subtracts
Little trend；3d comprcssive strength reaches more than 6MPa, and later strength also has growth trend.
Above-described embodiment is described in detail technical scheme, is not to limit protection scope of the present invention, all
Any simple modification made according to spirit of the invention and equivalent structure transformation or modification, all should contain the protection model in the present invention
Within enclosing.
This detailed description of the invention is by changing the proportioning of reverse flotation mine tailing and cement, and the waterproof mortar being prepared for different mine tailing volume produces
Product and contrast product.Found that by contrast the waterproof mortar prepared for primary raw material with the siliceous mine tailing of reverse flotation can significantly drop
The water absorption rate of low cement mortar, the water absorption rate of 3d can be reduced to 37.23g/m2s0.5, later stage water absorption rate has reduction trend；Several to intensity
Not impact, 3d comprcssive strength can reach more than 30MPa, and later strength also has growth trend.And, present configuration is close
Real, there is good impermeability and compressive property.
Therefore, it is high that this detailed description of the invention has the useless rate of profit, the feature that technique is simple and production cost is low；Prepared floats with anti-
The cement-based waterproof mortar water absorption rate selecting siliceous mine tailing to be primary raw material is low, impervious and compressive property is excellent.
Claims (9)
1. a waterproof mortar, its component and content thereof is:
The siliceous mine tailing of reverse flotation 50～75wt%；
Cement 25～50wt%
Also include the water accounting for above-mentioned raw materials 25～33.5wt%.
2. the preparation method of the waterproof mortar described in claim 1, is first 50～75wt% by the siliceous mine tailing of reverse flotation, water
Mud is 25～50wt% dispensings, joins in planetary stirring machine and stirs, makes raw material be sufficiently mixed uniformly；Be subsequently adding account for above-mentioned former
The water of material 25～33.5wt%, after taking the stirring of stirring system, die-filling, vibration moulding on glue sand vibration table；Room temperature is de-after placing
Mould, after the demoulding, carries out maintenance and prepares waterproof mortar product.
The preparation method of waterproof mortar the most according to claim 2, it is characterised in that the siliceous mine tailing of described reverse flotation
SiO2Content is at more than 70wt%, and particle size range is 0.38～0.074mm.
The preparation method of waterproof mortar the most according to claim 2, it is characterised in that described cement be portland cement,
Portland cement, portland-pozzolan cement, Portland fly ash cement, portland slag cement or complex silicate saline
Mud.
The preparation method of waterproof mortar the most according to claim 2, it is characterised in that described curing temperature 20 ± 3 DEG C,
Maintenance relative humidity more than 90%.
The preparation method of waterproof mortar the most according to claim 2, it is characterised in that described stirring system is at paddle
1～4min is stirred, in paddle rotation 258 ± 10r/min, revolution under the conditions of rotation 140 ± 5r/min, revolution 62 ± 5r/min
0.5～2min is stirred under the conditions of 125 ± 10r/min.
The preparation method of waterproof mortar the most according to claim 2, it is characterised in that described time of vibration is 2～5min；
Room temperature standing time 12～48h.
The preparation method of waterproof mortar the most according to claim 2, it is characterised in that mixing time 3 in planetary stirring machine
～10min.
The preparation method of waterproof mortar the most according to claim 2, it is characterised in that the siliceous mine tailing of described reverse flotation is for adopting
Being metal ion with activator, collecting agent is the common process gained of ion-type collecting agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610259472.8A CN105837123B (en) | 2016-04-25 | 2016-04-25 | A kind of waterproof mortar and preparation method thereof |
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| CN105837123B CN105837123B (en) | 2017-12-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285579A (en) * | 2017-05-22 | 2017-10-24 | 东莞高业建设集团有限公司 | Sullage solidifying method and mixing plant |
| CN107902990A (en) * | 2017-11-15 | 2018-04-13 | 新沂市晶润石英材料有限公司 | A kind of method that Polymer cement materials are prepared using quartz sand dust |
| CN110282917A (en) * | 2019-07-17 | 2019-09-27 | 广西大学 | A kind of preparation method of bagasse lime and brick |
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|---|---|---|---|---|
| DE3717240A1 (en) * | 1987-05-22 | 1988-12-01 | Deutsche Projekt Union Dpu | METHOD FOR TREATING CHARCOAL MOUNTAIN MATERIAL |
| CN101967051A (en) * | 2009-07-28 | 2011-02-09 | 鞍钢集团矿业公司 | Plastering mortar replacing river sand by using tailing |
| CN104788046A (en) * | 2014-01-18 | 2015-07-22 | 北京亿路特通新材料有限责任公司 | Technology for making molybdenum tailing baking-free bricks by utilization of brick reinforcing agent |
| CN105314934A (en) * | 2015-03-12 | 2016-02-10 | 炫靓集团有限公司 | Preparation of anti-sagging dry-blending plastering mortar by means of molybdenum tailing sand |
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2016
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Patent Citations (4)
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|---|---|---|---|---|
| DE3717240A1 (en) * | 1987-05-22 | 1988-12-01 | Deutsche Projekt Union Dpu | METHOD FOR TREATING CHARCOAL MOUNTAIN MATERIAL |
| CN101967051A (en) * | 2009-07-28 | 2011-02-09 | 鞍钢集团矿业公司 | Plastering mortar replacing river sand by using tailing |
| CN104788046A (en) * | 2014-01-18 | 2015-07-22 | 北京亿路特通新材料有限责任公司 | Technology for making molybdenum tailing baking-free bricks by utilization of brick reinforcing agent |
| CN105314934A (en) * | 2015-03-12 | 2016-02-10 | 炫靓集团有限公司 | Preparation of anti-sagging dry-blending plastering mortar by means of molybdenum tailing sand |
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| Title |
|---|
| WANG YUHUA等: "《The flotation of quartz from iron minerals with a combined quaternary ammonium salt》", 《INTERNATIONAL JOURNAL OF MINERAL PROCESSING》 * |
| 李晓光等: "《铁尾矿水泥砂浆的力学性能及孔结构特征》", 《混凝土》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285579A (en) * | 2017-05-22 | 2017-10-24 | 东莞高业建设集团有限公司 | Sullage solidifying method and mixing plant |
| CN107902990A (en) * | 2017-11-15 | 2018-04-13 | 新沂市晶润石英材料有限公司 | A kind of method that Polymer cement materials are prepared using quartz sand dust |
| CN110282917A (en) * | 2019-07-17 | 2019-09-27 | 广西大学 | A kind of preparation method of bagasse lime and brick |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105837123B (en) | 2017-12-29 |
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