CN108342935A - A kind of composition, preparation method and its application in roadbed separation layer - Google Patents
A kind of composition, preparation method and its application in roadbed separation layer Download PDFInfo
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- CN108342935A CN108342935A CN201810175797.7A CN201810175797A CN108342935A CN 108342935 A CN108342935 A CN 108342935A CN 201810175797 A CN201810175797 A CN 201810175797A CN 108342935 A CN108342935 A CN 108342935A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
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- 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
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to pavement material and technical field of structures more particularly to a kind of composition, preparation method and its application in roadbed separation layer, the present invention provides a kind of compositions, including：Activated carbon sponge, iron-carbon micro-electrolysis filler, activated alumina, deoxidier, aluminium polychloride, titanium dioxide, portland cement, sticking layer oil, non-woven geotextile and polypropylene ultrafiltration membrane.The present invention also provides a kind of preparation method of above-mentioned composition, a kind of application of the product that obtains the present invention also provides above-mentioned composition or above-mentioned preparation method in barrier heavy metal and/or the roadbed separation layer of inorganic salts contaminant infiltration.It can be obtained through measuring, product made from technical solution provided by the invention, there are good barrier and then purifying functions, effectively can adsorb and degrade heavy metal element, obstruct the seepage flow of inorganic salts pollutant；It solves in the prior art, the technological deficiency of environmental pollution and underground water pollution is be easy to cause when industrial waste is as roadbed embankment material.
Description
Technical field
The invention belongs to pavement material and technical field of structures more particularly to a kind of composition, preparation method and its on road
Application in base separation layer；Further, it is related to a kind of composition, preparation method and its in barrier heavy metal and/or inorganic salts
Application in the roadbed separation layer of contaminant infiltration
Background technology
Pillar industry one of of the industry as China, is one of the important impetus of China's economic development.As industry is raw
The expansion year by year of production scale will produce a large amount of waste in production process, such as slag, the bastard coal generated in smelting process
The waste materials such as the carbide slag in stone, chemical production.In order to realize refuse reclamation, works such as gangue, slag and carbide slag in recent years
Industry waste material gradually starts to be utilized in road construction, and carrying out roadbed filling as filler becomes the important side of waste utilization
One of formula.Since road construction is huge for building materials demand, a large amount of industrial waste is applied in road construction.
Although however, realize refuse reclamation in the process, due in industrial slag containing different types of heavy
Metallic element and inorganic salts pollutant, for after filling roadbed, pollution element and inorganic salts can to seep water seepage flow extremely with top
Underground water causes seriously to pollute to natural environment；Further, meeting pair is also possible in the filling roadbed application process of industrial waste
Underground water pollutes.
Therefore, a kind of composition, preparation method and its application in roadbed separation layer are developed, for solving existing skill
In art, it be easy to cause the technological deficiency of environmental pollution and underground water pollution when industrial waste is as roadbed embankment material, becomes
Those skilled in the art urgent problems to be solved.
Invention content
In view of this, the present invention provides a kind of composition, preparation method and its application in roadbed separation layer, it is used for
It solves in the prior art, the technology of environmental pollution and underground water pollution to be easy to cause when industrial waste is as roadbed embankment material
Defect.
The present invention provides a kind of composition, the raw material of the composition includes：Activated carbon sponge, iron-carbon micro-electrolysis are filled out
Material, activated alumina, deoxidier, aluminium polychloride, titanium dioxide, portland cement, sticking layer oil, non-woven geotextile and polypropylene
Ultrafiltration membrane.
Preferably, in terms of mass parts, the raw material of the composition includes：130~515 parts of activated carbon sponge, the micro- electricity of iron carbon
Solve 200~350 parts of filler, 160~200 parts of activated alumina, 130~220 parts of deoxidier, 20~40 parts of aluminium polychloride, titanium
30~60 parts of white powder, 50~100 parts of portland cement, 800 parts of sticking layer oil, 100~300 parts of non-woven geotextile and polypropylene are super
22 parts of filter membrane.
Preferably, in terms of mass parts, the raw material of the composition includes：260~400 parts of activated carbon sponge, the micro- electricity of iron carbon
Solve 260~300 parts of filler, 180~190 parts of activated alumina, 160~190 parts of deoxidier, 25~35 parts of aluminium polychloride, titanium
40~50 parts of white powder, 70~80 parts of portland cement, 800 parts of sticking layer oil, 150~250 parts of non-woven geotextile and polypropylene are super
22 parts of filter membrane.
Preferably, in terms of mass parts, the raw material of the composition includes：320 parts of activated carbon sponge, iron-carbon micro-electrolysis filler
280 parts, it is 190 parts of activated alumina, 180 parts of deoxidier, 30 parts of aluminium polychloride, 40 parts of titanium dioxide, 70 parts of portland cement, viscous
22 parts of 800 parts of layer oil, 200 parts of non-woven geotextile and polypropylene ultrafiltration membrane.
Preferably, the activated carbon sponge is honeycomb hole shaped activated carbon, and the thickness of the activated carbon sponge is 2~8mm；
The phosphorus content of the activated carbon sponge is more than 50%, and the benzene adsorption rate of the activated carbon sponge is more than 90%.
Preferably, the iron-carbon micro-electrolysis filler is selected from：Magnetic iron ore system iron carbon filler, speculum iron system iron carbon filler and essence
Any one or more in iron powder system iron carbon filler, the iron-carbon micro-electrolysis filler are nutty structure, the micro- electricity of iron carbon
The grain size for solving filler is 10~20 mesh；
The iron content of the iron-carbon micro-electrolysis filler is more than 55%, and the carbon content that the iron-carbon micro-electrolysis day is chatted is more than
10%, the porosity of the iron-carbon micro-electrolysis filler is more than 45%, and the wear rate of the iron-carbon micro-electrolysis filler is less than 0.04%,
The percentage of damage of the iron-carbon micro-electrolysis filler is less than 0.05%.
Preferably, the activated alumina is：γ-activated alumina and/or X- ρ type activated aluminas, the active oxygen
The grain size for changing aluminium is 30 mesh.
Preferably, the deoxidier is sulphite and/or reduced iron powder, and the grain size of the deoxidier is 20 mesh.
Preferably, the aluminium polychloride is water process grade aluminium polychloride, and the grain size of the aluminium chloride is 200 mesh.
Preferably, the titanium dioxide is de- titanium-type titanium dioxide and/or rutile type titanium white, the grain size of the titanium dioxide are
200 mesh.
Preferably, the sticking layer oil is to split cationic PC-3 types emulsified asphalt soon and/or split anion PA-3 types soon to emulsify
Pitch.
Preferably, the non-woven geotextile is needle-punched geotextiles, and the thickness of the non-woven geotextile is 1.9mm；
The polypropylene ultrafiltration membrane wall thickness is 50 μm, and the molecular cut off of the polypropylene ultrafiltration membrane is 5~100,000.
The present invention also provides a kind of preparation method including one composition of any of the above, the preparation methods
For：
Step 1: polypropylene ultrafiltration membrane making is in the lower surface of non-woven geotextile, then in the upper of the non-woven geotextile
External coating sticking layer oil and after dispensing deoxidier, by activated carbon sponge making in the upper surface of the non-woven geotextile, stands broken
Breast obtains the first product；
Step 2: dispensing successively aluminium polychloride and titanium dioxide in the gap of the activated carbon sponge of first product
Afterwards, sticking layer oil is dispensed on the surface of activated carbon sponge, obtains the second product；
Step 3: dispensing iron-carbon micro-electrolysis filler in the upper surface of the activated carbon sponge of second product, then use
Portland cement fills the gap between the iron-carbon micro-electrolysis filler, in the external coating adhesion coating of the Temple of Heaven micro-electrolysis stuffing
Oil obtains third product；
Step 4: the lower surface brushing sticking layer oil of the third product, obtains product.
The present invention also provides the productions that a kind of composition including described in any of the above one or above-mentioned preparation method obtain
Application of the product in barrier heavy metal and/or the roadbed separation layer of inorganic salts contaminant infiltration.
In conclusion the present invention provides a kind of composition, the raw material of the composition includes：Activated carbon sponge, iron carbon
Micro-electrolysis stuffing, activated alumina, deoxidier, aluminium polychloride, titanium dioxide, portland cement, sticking layer oil, non-woven geotextile with
And polypropylene ultrafiltration membrane.The present invention also provides a kind of preparation methods of above-mentioned composition, and the present invention also provides a kind of above-mentioned
The product that composition or above-mentioned preparation method obtain is in barrier heavy metal and/or the roadbed separation layer of inorganic salts contaminant infiltration
Application.It can be obtained through measuring, product made from technical solution provided by the invention, there is good barrier and then purify work(
Effect, effectively can adsorb and degrade heavy metal element, obstruct the seepage flow of inorganic salts pollutant；Meanwhile also have purification efficiency it is high,
Durability is good, using convenient and of low cost advantage, is suitable for large-scale promotion use.A kind of combination provided by the invention
Object, preparation method and its application in roadbed separation layer, solve in the prior art, industrial waste is as roadbed embankment material
When be easy to cause the technological deficiency of environmental pollution and underground water pollution.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of roadbed separation layer product made from the embodiment of the present invention；
Fig. 2 is in the specific implementation mode of the present invention, and embodiment 23 carries out the structural schematic diagram of Leaching Experiments.
Specific implementation mode
An embodiment of the present invention provides a kind of composition, preparation method and its applications in roadbed separation layer, for solving
Certainly in the prior art, industrial waste as roadbed embankment material when be easy to cause the technology of environmental pollution and underground water pollution and lack
It falls into.
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
In order to which the present invention is described in more detail, with reference to embodiment to a kind of composition provided by the invention, preparation method
And its application in roadbed separation layer, it is specifically described.
Embodiment 1
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 130g/m2, 10 mesh magnetic iron ore system iron carbon filler 200g/m2, the work of 30 mesh γ types
Property aluminium oxide 160g/m2, sulphite 130g/m2, aluminium polychloride 20g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
The method for preparing roadbed separation layer using above-mentioned raw materials, includes the following steps：
(1), it by polypropylene ultrafiltration membrane making in non-woven geotextile lower surface, is then uniformly applied in non-woven geotextile upper surface
Brush sticking layer oil, and suitable deoxidier is dispensed on its surface, activated carbon sponge is positioned over non-woven geotextile upper surface, stands 1h
Sticking layer oil is waited for be demulsified completely；
(2), aluminium polychloride is uniformly dispensed in activated carbon sponge, it is made uniformly to be embedded in the hole of activated carbon sponge
In, then titanium dioxide is filled in residual porosity, and appropriate sticking layer oil is uniformly dispensed in activated carbon sponge surface；
(3), iron-carbon micro-electrolysis filler is dispensed in activated carbon sponge surface upper surface, and is filled out using activated alumina particle
Its larger gap is filled, then uses Portland cement as the hole between filler filler particles, then brushes appropriate
Sticking layer oil completes material package；
(4), suitable adhesion coating is brushed into the roadbed separation layer lower surface of the barrier heavy metal and inorganic salts contaminant infiltration
After oil, complete to prepare.
Obtained product can be positioned on soil matrix, then can fill the waste materials such as gangue, carbide slag, blast-furnace cinder thereon
Class roadbed embankment material.
Embodiment 2
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 200g/m2, the work of 30 mesh γ types
Property aluminium oxide 160g/m2, sulphite 130g/m2, aluminium polychloride 20g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 3
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 515g/m2, 10 mesh magnetic iron ore system iron carbon filler 200g/m2, the work of 30 mesh γ types
Property aluminium oxide 160g/m2, sulphite 130g/m2, aluminium polychloride 20g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 4
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 160g/m2, sulphite 130g/m2, aluminium polychloride 20g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
The present embodiment obstructs the application process and 1 phase of embodiment of heavy metal and the roadbed separation layer of inorganic salts contaminant infiltration
Together, so it will not be repeated.
Embodiment 5
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 350g/m2, the work of 30 mesh γ types
Property aluminium oxide 160g/m2, sulphite 130g/m2, aluminium polychloride 20g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 6
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 130g/m2, aluminium polychloride 20g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
The present embodiment obstructs the application process and 1 phase of embodiment of heavy metal and the roadbed separation layer of inorganic salts contaminant infiltration
Together, so it will not be repeated.
Embodiment 7
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 200g/m2, sulphite 130g/m2, aluminium polychloride 20g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 8
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 180g/m2, aluminium polychloride 20g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 9
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 220g/m2, aluminium polychloride 20g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 10
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 180g/m2, aluminium polychloride 30g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 11
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 180g/m2, aluminium polychloride 40g/m2, rutile type titanium white 30g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 12
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 180g/m2, aluminium polychloride 30g/m2, rutile type titanium white 45g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 13
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 180g/m2, aluminium polychloride 30g/m2, rutile type titanium white 60g/m2, 42.5# is general
Logical portland cement 50g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene is super
Filter membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 14
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 180g/m2, aluminium polychloride 30g/m2, rutile type titanium white 45g/m2, 42.5# is general
Logical portland cement 100g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 150g/m2, polypropylene
Ultrafiltration membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 15
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 180g/m2, aluminium polychloride 30g/m2, rutile type titanium white 45g/m2, 42.5# is general
Logical portland cement 100g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 200g/m2, polypropylene
Ultrafiltration membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 16
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 10 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 180g/m2, aluminium polychloride 30g/m2, rutile type titanium white 45g/m2, 42.5# is general
Logical portland cement 100g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 250g/m2, polypropylene
Ultrafiltration membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 17
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 20 mesh magnetic iron ore system iron carbon filler 275g/m2, the work of 30 mesh γ types
Property aluminium oxide 180g/m2, sulphite 180g/m2, aluminium polychloride 30g/m2, rutile type titanium white 45g/m2, 42.5# is general
Logical portland cement 100g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 250g/m2, polypropylene
Ultrafiltration membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 18
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 20 eyepiece iron ore system iron carbon filler 275g/m2, 30 mesh X- ρ types
Activated alumina 180g/m2, sulphite 180g/m2, aluminium polychloride 30g/m2, anatase thpe white powder 45g/m2, 42.5# is general
Logical portland cement 100g/m2, anion PA-3 type emulsified asphalts 0.8kg/m is split soon2, non-woven geotextile 200g/m2, polypropylene
Ultrafiltration membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 19
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 380g/m2, 20 mesh essence iron powder system iron carbon filler 275g/m2, 30 mesh X- ρ types
Activated alumina 180g/m2, sulphite 180g/m2, aluminium polychloride 30g/m2, anatase thpe white powder 45g/m2, 42.5# is general
Logical portland cement 100g/m2, anion PA-3 type emulsified asphalts 0.8kg/m is split soon2, non-woven geotextile 250g/m2, polypropylene
Ultrafiltration membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 20
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 515g/m2, 20 mesh magnetic iron ore system iron carbon filler 350g/m2, the work of 30 mesh γ types
Property aluminium oxide 200g/m2, reduced iron powder 220g/m2, aluminium polychloride 40g/m2, rutile type titanium white 60g/m2, 42.5# is general
Logical portland cement 100g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 300g/m2, polypropylene
Ultrafiltration membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 21
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 515g/m2, 20 eyepiece iron ore system iron carbon filler 350g/m2, 30 mesh X- ρ types
Activated alumina 200g/m2, reduced iron powder 220g/m2, aluminium polychloride 40g/m2, anatase thpe white powder 60g/m2, 42.5# is general
Logical portland cement 100g/m2, cationic PA-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 300g/m2, polypropylene
Ultrafiltration membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Embodiment 22
A kind of roadbed separation layer with barrier heavy metal and inorganic salts contaminant infiltration, is mixed by the raw material of following mass parts
Conjunction is made：2mm thickness honeycomb hole shaped activated carbon sponges 515g/m2, 20 mesh essence iron powder system iron carbon filler 350g/m2, 30 mesh X- ρ types
Activated alumina 200g/m2, reduced iron powder 220g/m2, aluminium polychloride 40g/m2, anatase thpe white powder 60g/m2, 42.5# is general
Logical portland cement 100g/m2, cationic PA-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 300g/m2, polypropylene
Ultrafiltration membrane 22g/m2。
In the present embodiment, the method that roadbed separation layer is prepared using above-mentioned raw materials is same as Example 1, no longer superfluous herein
It states.
Comparative example 1
A kind of roadbed separation layer obstructing heavy metal and inorganic salts contaminant infiltration mixes system by the raw material of following mass parts
At：The thickness foamed plastic polymer sponge 515g/m of 2mm2, 20 mesh magnetic iron ore system iron carbon filler 350g/m2, 30 mesh γ type active oxygens
Change aluminium 200g/m2, reduced iron powder 220g/m2, aluminium polychloride 40g/m2, rutile type titanium white 60g/m2, 42.5# ordinary silicons
Acid salt cement 100g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 300g/m2, polypropylene ultrafiltration
Film 22g/m2。
Comparative example 2
A kind of roadbed separation layer obstructing heavy metal and inorganic salts contaminant infiltration mixes system by the raw material of following mass parts
At：The thickness foamed plastic polymer sponge 515g/m of 2mm2, 30 mesh γ type activated aluminas 200g/m2, reduced iron powder 220g/m2,
Aluminium polychloride 40g/m2, rutile type titanium white 60g/m2, 42.5# Portland cements 100g/m2, cationic PC- is split soon
3 type emulsified asphalt 0.8kg/m2, non-woven geotextile 300g/m2, polypropylene ultrafiltration membrane 22g/m2。
Comparative example 3
A kind of roadbed separation layer obstructing heavy metal and inorganic salts contaminant infiltration mixes system by the raw material of following mass parts
At：The thickness foamed plastic polymer sponge 515g/m of 2mm2, 20 mesh magnetic iron ore system iron carbon filler 350g/m2, reduced iron powder 220g/
m2, aluminium polychloride 40g/m2, rutile type titanium white 60g/m2, 42.5# Portland cements 100g/m2, cation is split soon
PC-3 type emulsified asphalts 0.8kg/m2, non-woven geotextile 300g/m2, polypropylene ultrafiltration membrane 22g/m2。
Comparative example 4
A kind of roadbed separation layer obstructing heavy metal and inorganic salts contaminant infiltration mixes system by the raw material of following mass parts
At：The thickness foamed plastic polymer sponge 515g/m of 2mm2, 20 mesh magnetic iron ore system iron carbon filler 350g/m2, 30 mesh γ type active oxygens
Change aluminium 200g/m2, aluminium polychloride 40g/m2, rutile type titanium white 60g/m2, 42.5# Portland cements 100g/m2,
Cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 300g/m2, polypropylene ultrafiltration membrane 22g/m2。
Comparative example 5
A kind of roadbed separation layer obstructing heavy metal and inorganic salts contaminant infiltration mixes system by the raw material of following mass parts
At：The thickness foamed plastic polymer sponge 515g/m of 2mm2, aluminium polychloride 40g/m2, rutile type titanium white 60g/m2,
42.5# Portland cement 100g/m2, cationic PC-3 types emulsified asphalt 0.8kg/m is split soon2, non-woven geotextile 300g/m2,
Polypropylene ultrafiltration membrane 22g/m2。
Comparative example 6
A kind of roadbed separation layer obstructing heavy metal and inorganic salts contaminant infiltration mixes system by the raw material of following mass parts
At：The thickness foamed plastic polymer sponge 515g/m of 2mm2, 42.5# Portland cements 100g/m2, cationic PC-3 is split soon
Type emulsified asphalt 0.8kg/m2, non-woven geotextile 300g/m2。
In 1~comparative example of comparative example 6, the preparation method of each reference material is refering to roadbed separation layer preparation side commonly used in the art
Method, details are not described herein.
Embodiment 23
The present embodiment is the specific reality that product carries out dynamic leaching experiment made from Examples 1 to 22 and comparative example 1~6
Apply example.
In the present embodiment, using gangue as roadbed embankment material, gangue sample, which picks up from, chooses surface layer weathering mixing
Gangue is exposed to substantially 1 year or more the time of external environment, and sample surfaces are weakly acidic, and pH value is 6.1~6.7.
Gangue is broken into the sample particle of grain size≤15mm, is tested for dynamic leaching.Gangue dynamic leaching tries
Test step：Two layers of quantitative filter paper is spread in the bottom of 1L cartridge type separatory funnels, after gangue sample is put into, is gently shaken, with
Reduce the gap between gangue.Deionized water, drop rate 8.2-8.5mL/ is slowly added dropwise using BT-100 constant flow pumps
min.While adding water, hopper valve is opened, water is picked out with conical flask, filtered, it is to be measured.It is continuous every time that deionized water is added dropwise
1h, water about 500mL, then stand 2h.Continuous cycle 8 times.After the completion of leaching, detect percolation solution from coal refuse in metal (Zn,
Mn, Cu, Fe, Al) and acid ion (NO-3).Wherein, the thickness ratio of gangue base course and roadbed separation layer of the present invention is 3:1.
In the present embodiment, the structural schematic diagram of Leaching Experiments can further regard to Figure of description 2.
Experimental results please refer to 1~table of table 3.
1 embodiment 1-9 natural precipitation leaching test results of table
2 embodiment 11-19 natural precipitation leaching test results of table
3 embodiment 20-22 of table, comparative example 1-6 natural precipitation leaching test results
Remarks：When comparative example carries out leaching experiment, the Roadbed Soil of respective thickness is filled (predominantly in roadbed separation layer position
Clay material).
It can obtain from upper table embodiment and comparative example, be isolated using roadbed made from technical solution provided by the invention
Layer, just has good barrier and purifying functions for the leaching heavy metal element and nitrate of gangue.
Compared with comparative example 1, substantially reduced by heavy metal element in the water of roadbed separation layer and inorganic salt content, it can
There is good barrier, purification and control effect for the pollution of the exudate of underground water when filling roadbed for waste.
And for comparative example 1-6 analyses it is found that when often lacking a kind of ingredient, the resistance of heavy metal element and nitrate in component
Every and purifying functions a degree of decline can all occur, and when honeycomb hole shaped activated carbon sponge, magnetic iron ore system iron carbon filler, work
When property aluminium oxide and reduced iron powder lack, comparative example loses barrier and the purifying functions of heavy metal element and nitrate substantially,
It is almost the same with 6 related data of comparative example.
It can be obtained from above-mentioned technical proposal, a kind of composition provided in an embodiment of the present invention, preparation method and its on road
Application in base separation layer has, following advantages：
1, product produced by the present invention, the roadbed of barrier heavy metal and inorganic salts contaminant infiltration with three-level purifying net
Separation layer, this at home and abroad still belongs to the first time, and yet there are no relevant report both at home and abroad at present.
2, in the present invention, using activated carbon sponge as purifying carrier, by iron-carbon micro-electrolysis filler, activated alumina particle
And deoxidier is as main constituents, and titanium dioxide is as auxiliary purification ingredient, using non-woven geotextile and polypropylene ultrafiltration
Heavy metal is dissolved out pollutant by film as particle filtering anti-leakage layer, iron-carbon micro-electrolysis filler by micro- electrical properties on its surface
It is adsorbed to around it, and is dispersed in surrounding activated alumina particle and is acted on by activating catalytic, by vertical distribution
More stable and low stain secondary products are formed by chemical oxidation catalytic action, iron-carbon micro-electrolysis filler can at the same time
Charge is formed by the microelectrode effect of its own and activated alumina particle and regulates and controls matrix, passes through the transfer and allotment of charge
The isolation region net to contamination metal elements is formed, to realize the first class purification net to pollutant.
3, in the present invention, some of the contaminants can be adsorbed in its micropore by activated carbon spongy layer by its own porous nature
In construction, and the titanium dioxide being pre-charged in activated carbon sponge micropore is poly- as catalyst component and another ingredient-
It closes aluminium chloride and forms titanium-poly-aluminium purifying net, be low stain degree by the inorganic salts pollutant such as nitrate therein catalytic decomposition
Salt constituents, to reduce pollutant concentration contained in leaching water, while active carbon particle can be not only titanium-poly-aluminium purifying net
Carrier is provided, while can also realize the absorption and fixation for pollutant component, two level is constituted together with titanium-poly-aluminium purifying net
Purifying net.
4, in the present invention, deoxidier and polypropylene ultrafiltration membrane constitute three-level purification network, the spy that deoxidier passes through itself
Fractions in pollutant are carried out deoxidation treatment, are then imitated by the ultrapurification film of polypropylene ultrafiltration membrane by different deoxidation attribute
It answers, realizes the deoxygenated ultrapurification to the remaining inorganic salts pollutant in leaching water, finally realize gangue, slag and carbide slag
The purified treatment to seep water under equal industrial wastes leaching, finally uses non-woven geotextile, the particulate pollutant oozed by under to intercept,
Reduce the loss of the sinking and insolated layer materials of pollutant.
In conclusion the present invention provides a kind of composition, the raw material of the composition includes：Activated carbon sponge, iron carbon
Micro-electrolysis stuffing, activated alumina, deoxidier, aluminium polychloride, titanium dioxide, portland cement, sticking layer oil, non-woven geotextile with
And polypropylene ultrafiltration membrane.The present invention also provides a kind of preparation methods of above-mentioned composition, and the present invention also provides a kind of above-mentioned
The product that composition or above-mentioned preparation method obtain is in barrier heavy metal and/or the roadbed separation layer of inorganic salts contaminant infiltration
Application.It can be obtained through measuring, product made from technical solution provided by the invention, there is good barrier and then purify work(
Effect, effectively can adsorb and degrade heavy metal element, obstruct the seepage flow of inorganic salts pollutant；Meanwhile also have purification efficiency it is high,
Durability is good, using convenient and of low cost advantage, is suitable for large-scale promotion use.A kind of combination provided by the invention
Object, preparation method and its application in roadbed separation layer, solve in the prior art, industrial waste is as roadbed embankment material
When be easy to cause the technological deficiency of environmental pollution and underground water pollution.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (13)
1. a kind of composition, which is characterized in that the raw material of the composition includes：Activated carbon sponge, iron-carbon micro-electrolysis filler, work
Property aluminium oxide, deoxidier, aluminium polychloride, titanium dioxide, portland cement, sticking layer oil, non-woven geotextile and polypropylene ultrafiltration
Film.
2. composition according to claim 1, which is characterized in that in terms of mass parts, the raw material of the composition includes：It is living
130~515 parts of property charcoal sponge, 200~350 parts of iron-carbon micro-electrolysis filler, 160~200 parts of activated alumina, deoxidier 130~
220 parts, 20~40 parts of aluminium polychloride, 30~60 parts of titanium dioxide, 50~100 parts of portland cement, 800 parts of sticking layer oil, nonwoven
22 parts of 100~300 parts of geotextiles and polypropylene ultrafiltration membrane.
3. composition according to claim 1, which is characterized in that in terms of mass parts, the raw material of the composition includes：It is living
320 parts of property charcoal sponge, 280 parts of iron-carbon micro-electrolysis filler, 190 parts of activated alumina, 180 parts of deoxidier, 30 parts of aluminium polychloride,
22 parts of 40 parts of titanium dioxide, 70 parts of portland cement, 800 parts of sticking layer oil, 200 parts of non-woven geotextile and polypropylene ultrafiltration membrane.
4. according to the composition described in claims 1 to 3 any one, which is characterized in that the activated carbon sponge is honeycomb hole
The thickness of shaped activated carbon, the activated carbon sponge is 2~8mm；
The phosphorus content of the activated carbon sponge is more than 50%, and the benzene adsorption rate of the activated carbon sponge is more than 90%.
5. according to the composition described in claims 1 to 3 any one, which is characterized in that the iron-carbon micro-electrolysis filler is selected from：
Any one or more in magnetic iron ore system iron carbon filler, speculum iron system iron carbon filler and smart iron powder system iron carbon filler, it is described
Iron-carbon micro-electrolysis filler is nutty structure, and the grain size of the iron-carbon micro-electrolysis filler is 10~20 mesh；
The iron content of the iron-carbon micro-electrolysis filler is more than 55%, and the carbon content that the iron-carbon micro-electrolysis day is chatted is more than 10%, institute
The porosity for stating iron-carbon micro-electrolysis filler is more than 45%, and the wear rate of the iron-carbon micro-electrolysis filler is less than 0.04%, the iron
The percentage of damage of carbon micro-electrolysis filler is less than 0.05%.
6. according to the composition described in claims 1 to 3 any one, which is characterized in that the activated alumina is：γ-work
Property aluminium oxide and/or X- ρ type activated aluminas, the grain size of the activated alumina is 30 mesh.
7. according to the composition described in claims 1 to 3 any one, which is characterized in that the deoxidier be sulphite and/
Or reduced iron powder, the grain size of the deoxidier is 20 mesh.
8. according to the composition described in claims 1 to 3 any one, which is characterized in that the aluminium polychloride is water process
The grain size of grade aluminium polychloride, the aluminium chloride is 200 mesh.
9. according to the composition described in claims 1 to 3 any one, which is characterized in that the titanium dioxide is de- titanium-type titanium white
The grain size of powder and/or rutile type titanium white, the titanium dioxide is 200 mesh.
10. according to the composition described in claims 1 to 3 any one, which is characterized in that the sticking layer oil is to split cation soon
PC-3 types emulsified asphalt and/or anion PA-3 type emulsified asphalts are split soon.
11. according to the composition described in claims 1 to 3 any one, which is characterized in that the non-woven geotextile is needle thorn soil
The thickness of work cloth, the non-woven geotextile is 1.9mm；
The polypropylene ultrafiltration membrane wall thickness is 50 μm, and the molecular cut off of the polypropylene ultrafiltration membrane is 5~100,000.
12. a kind of preparation method including composition described in claim 1 to 11 any one, which is characterized in that the preparation
Method is：
Step 1: polypropylene ultrafiltration membrane making is in the lower surface of non-woven geotextile, then in the upper surface of the non-woven geotextile
Brushing sticking layer oil and after dispensing deoxidier, by activated carbon sponge making in the upper surface of the non-woven geotextile, stands demulsification, obtains
First product；
Step 2: after aluminium polychloride and titanium dioxide are dispensed successively in the gap of the activated carbon sponge of first product,
Sticking layer oil is dispensed on the surface of activated carbon sponge, obtains the second product；
Step 3: dispensing iron-carbon micro-electrolysis filler in the upper surface of the activated carbon sponge of second product, silicic acid is then used
Salt cement fills the gap between the iron-carbon micro-electrolysis filler, in the external coating sticking layer oil of the Temple of Heaven micro-electrolysis stuffing,
Obtain third product；
Step 4: the lower surface brushing sticking layer oil of the third product, obtains product.
13. a kind of obtain including the composition described in claim 1 to 11 any one or the preparation method described in claim 12
To product barrier heavy metal and/or inorganic salts contaminant infiltration roadbed separation layer in application.
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