CN112076718A - Covering material with durable absorption function for landfill - Google Patents
Covering material with durable absorption function for landfill Download PDFInfo
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- CN112076718A CN112076718A CN202011033918.8A CN202011033918A CN112076718A CN 112076718 A CN112076718 A CN 112076718A CN 202011033918 A CN202011033918 A CN 202011033918A CN 112076718 A CN112076718 A CN 112076718A
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- Prior art keywords
- landfill
- foamed aluminum
- adhesive
- covering material
- covering
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- 239000000463 material Substances 0.000 title claims abstract description 67
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000853 adhesive Substances 0.000 claims abstract description 27
- 230000001070 adhesive effect Effects 0.000 claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 20
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- 239000004568 cement Substances 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000010881 fly ash Substances 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims 2
- 239000002002 slurry Substances 0.000 abstract description 24
- 238000001035 drying Methods 0.000 abstract description 10
- 238000003756 stirring Methods 0.000 abstract description 3
- 238000007873 sieving Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 43
- 239000005909 Kieselgur Substances 0.000 description 10
- 238000001514 detection method Methods 0.000 description 7
- 239000006260 foam Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000011148 porous material Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- -1 mineralized refuse Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the field of landfill treatment, and particularly relates to a covering material with a durable absorption function for landfill, which comprises a bonding material, aggregate and a bonding material of foamed aluminum and an adsorption material, wherein the preparation method of the bonding material of the foamed aluminum and the adsorption material comprises the following steps: after fully dispersing the diatomite in the adhesive solution, adding foamed aluminum particles with the particle size of 2-5 mm into the adhesive solution, fully stirring, drying, crushing and sieving. Mixing and stirring the foamed aluminum, the adhesive of the adsorption material, the aggregate and the bonding material with water to obtain viscous slurry, covering the viscous slurry on the garbage, and drying to obtain the covering layer.
Description
Technical Field
The invention belongs to the field of landfill treatment, and particularly relates to a covering material with a durable absorption function for landfill.
Background
Sanitary landfill is an important method for treating domestic garbage at present, and after the garbage is filled, covering materials are used for covering the garbage so as to avoid direct contact between the garbage and the environment. But on the basis of covering, certain air permeability is ensured, which is favorable for promoting the decomposition efficiency of microorganisms inside the buried garbage, thereby promoting the natural degradation of the garbage. However, when the air permeability of the covering material is improved, malodorous gas in the buried garbage often overflows upwards to the environment, the isolation effect of the landfill is reduced, and meanwhile, rainwater is easy to permeate into the buried garbage to cause the generation or increase of landfill leachate, so that the soil environment is influenced.
Disclosure of Invention
In order to solve the technical problem, the invention provides a covering material with a durable absorption function for landfill, which comprises a binder, aggregate and a bonding material of foamed aluminum and an adsorption material,
according to the weight portion, 20 to 60 portions of adhesive of foamed aluminum and an adsorption material, 100 portions of aggregate and 35 to 70 portions of bonding material,
in the binding of the foamed aluminium and the adsorbent material, the adsorbent material has a porous structure, preferably diatomaceous earth,
the preparation method of the adhesive of the foamed aluminum and the adsorption material comprises the following steps: fully dispersing diatomite in an adhesive solution, adding foamed aluminum particles with the particle size of 2-5 mm into the adhesive solution, fully stirring, drying, crushing and sieving,
wherein the adhesive solution is obtained by dispersing sodium carboxymethylcellulose and/or polyvinylpyrrolidone serving as an adhesive in ethanol or water, and the mass ratio of the dosage of the diatomite to the dosage of the adhesive to the dosage of the foamed aluminum particles is 100: 5-20: 20-50;
the aggregate comprises conventional aggregates such as fly ash, mineralized refuse, clay and the like,
the bonding material is cement.
When the covering material is used, the adhesive, the aggregate and the bonding material of the foamed aluminum and the adsorption material are mixed with water and stirred to obtain viscous slurry, the viscous slurry is covered on garbage, and the covering layer is obtained after drying.
The adsorption material diatomite used in the scheme is an adsorption carrier with relatively good adsorption stability, malodorous gas released from landfill garbage is adsorbed by the diatomite, and after the malodorous gas is adsorbed in place, the situation that malodorous gas molecules can be separated from the adsorption material and overflow into the air environment is avoided; but the pore structure of the diatomite is smaller, when malodorous gas released by the landfill garbage rises, a lot of malodorous gas cannot be stably adsorbed by the diatomite and can escape out of the covering material layer to enter the air environment, so that the covering material and the periphery of the landfill garbage can smell malodorous gas,
in order to solve the problem, the diatomite is combined with the foamed aluminum in the scheme, although the adsorption effect of the foamed aluminum on the malodorous gas is not ideal and unstable, the foamed aluminum has certain water adsorption capacity, and most of the malodorous gas released from the landfill garbage is water-soluble gas substances, such as H2S、SO2The ammonia gas, the chlorine gas and the like, so that after a proper amount of water is applied to the covering material covering the garbage, the water quickly enters the pore channels of the foamed aluminum and is locked by the foamed aluminum, and the wetting water can be prevented from permeating the garbage below to form garbage leachate; meanwhile, when the malodorous gas rises, the malodorous gas is quickly absorbed and dissolved by the humid water locked in the foamed aluminum, and because a large amount of diatomite is fixed around the foamed aluminum particles, the adsorption performance of the diatomite gradually forms stable adsorption on malodorous gas molecules in the humid water,
in other words, the foamed aluminum in the scheme provides a water storage place, and the moisture stored in the place is further used for temporarily stabilizing the part of malodorous gas released from the garbage but not absorbed by the diatomite, so that a certain time is provided for the part of malodorous gas to finally enter the diatomite. The diatomite compensates for the instability of the foamed aluminum in adsorption, so that the target object to be adsorbed finally enters the pore channel of the diatomite and is not released basically any more, the foamed aluminum compensates for the speed disadvantage of the diatomite in the aspect of adsorption, and the foul gas is stabilized by utilizing the humid water locked by the foamed aluminum.
In addition, diatomaceous earth and foamed aluminum have pore structures, especially foamed aluminum, and the pore structures are considerable, and the material is used as a garbage covering material and also meets the requirement of air permeability.
Detailed Description
Example 1
Crushing foamed aluminum into foamed aluminum particles with the particle size of 3-4 mm,
at normal temperature (25 ℃, the same below), 10 parts by weight of polyvinylpyrrolidone is fully dispersed in 70 parts by weight of ethanol, 40 parts by weight of the crushed foamed aluminum particles and 100 parts by weight of diatomite are added into the ethanol, fully stirred and mixed to obtain slurry, the obtained slurry is dried for 12 hours at 80 ℃, crushed and sieved to retain particles with the particle size of more than 2mm, and the particles are used as a binder of foamed aluminum and diatomite.
According to the weight portion, 45 portions of adhesive of foamed aluminum and diatomite, 100 portions of mineralized garbage (obtained after 3 years of landfill), 55 portions of cement (sulphoaluminate cement) and 120 portions of water are mixed and stirred fully to obtain viscous slurry, and then the viscous slurry is mixed according to the ratio of 600kg/m2Covering the domestic garbage in the landfill pit, compacting and naturally drying to obtain a covering layer (part of the added water is used for promoting the solidification of the covering material layer, and the other part can be used as wet water to be filled into the foamed aluminum).
The thick slurry is covered on the household garbage in the landfill pit and is compacted to start timing, the concentration of the malodorous gas at the position 1 m above the covering material layer is detected (a malodorous gas detector JC-ADT-EFF, the same below) at time nodes of 72 hours, 5 days, 10 days and 15 days (rainwater is prevented from being sprayed on the covering material layer in the whole process), the detection results are shown in table 1,
TABLE 1
| Time node | Concentration of malodorous gas measured by instrument |
| 72 hours | 103.9ppm |
| 5 days | 124.2ppm |
| 10 days | 167.3ppm |
| 15 days | 224.6ppm |
The detection of the malodorous gas in the upper environment is started 72 hours after the garbage is covered, mainly considering that the domestic garbage releases the malodorous gas outwards at the time node, the adsorption behavior of the covering material layer to the malodorous gas is basically stable, and the detected data is equivalent to the embodiment of the adsorption capacity of the covering material layer to the malodorous gas. As can be seen from the results of the tests, the covering material of example 1 (including examples 2 and 3 described later) is significantly superior in the adsorption ability to malodorous gases to comparative examples 1 to 3,
whereas with respect to Table 1 (including tables 2 and 3), the malodorous gas concentrations measured increased gradually with time, which the applicant believes was due in large part to the reduction in the amount of humid water in the aluminium foam, so that the applicant measured 10kg/m at the "15 day" node2Water was slowly injected relatively uniformly into the covering material layer of example 1 (equivalent to the addition of water), and the concentration of malodorous gas at a height of 1 m directly above the covering material layer was measured again after 48 hours, and the results are shown in table 1,
TABLE 1 continuation
| Time node | Concentration of malodorous gas measured by instrument |
| 17 days | 159.4ppm |
After water addition, the cover material layer had a significant increase in the ability to adsorb malodorous gases, which also corroborates the aforementioned analysis. In practice, natural precipitation in rainy weather may also be considered as part of the make-up water.
Example 2
30 parts by weight of the foamed aluminum and diatomite binder prepared in example 1, 100 parts by weight of mineralized refuse (obtained after 3 years of landfill), 50 parts by weight of cement (sulphoaluminate cement) and 100 parts by weight of water are mixed and stirred sufficiently to obtain viscous slurry, and the viscous slurry is mixed according to the weight ratio of 600kg/m2Covering the domestic garbage in the landfill pit, compacting and naturally drying to obtain a covering layer.
The thick slurry of this embodiment is covered on the domestic garbage in the landfill and compacted to start timing, the malodorous gas concentration at the height of 1 meter above the covering material layer is detected by the nodes at the time points of 72 hours, 5 days, 10 days and 15 days in sequence, the detection result is shown in table 2,
TABLE 2
| Time node | Concentration of malodorous gas measured by instrument |
| 72 hours | 120.7ppm |
| 5 days | 136.5ppm |
| 10 days | 182.1ppm |
| 15 days | 237.8ppm |
Example 3
40 parts by weight of the foamed aluminum and diatomite binder prepared in example 1, 60 parts by weight of mineralized refuse (obtained after 3 years of landfill), 40 parts by weight of fly ash, 50 parts by weight of cement (sulphoaluminate cement) and 120 parts by weight of water are mixed and stirred sufficiently to obtain viscous slurry, and the viscous slurry is mixed according to the ratio of 600kg/m2Covering the domestic garbage in the landfill pit, compacting and naturally drying to obtain a covering layer.
The thick slurry of this embodiment is covered on the domestic garbage in the landfill and compacted to start timing, the malodorous gas concentration at the height of 1 meter above the covering material layer is detected by the nodes at the time points of 72 hours, 5 days, 10 days and 15 days in sequence, the detection result is shown in table 3,
TABLE 3
| Time node | Concentration of malodorous gas measured by instrument |
| 72 hours | 117.2ppm |
| 5 days | 134.0ppm |
| 10 days | 179.6ppm |
| 15 days | 232.2ppm |
Comparative example 1
The "adhesive of foamed aluminum and diatomaceous earth" in example 1 was replaced with "diatomaceous earth" which is one of the raw materials of the adhesive, and the remaining components and operations were the same as those in example 1:
according to the weight portion, 45 portions of diatomite, 100 portions of mineralized refuse (obtained after 3 years of landfill), 55 portions of cement (sulphoaluminate cement) and 120 portions of water are mixed and stirred fully to obtain viscous slurry, and then the viscous slurry is mixed according to the ratio of 600kg/m2Covering the domestic garbage in the landfill pit, compacting and naturally drying to obtain a covering layer.
The thick slurry of this embodiment is covered on the domestic garbage in the landfill and compacted to start timing, the malodorous gas concentration at the height of 1 meter above the covering material layer is detected by the nodes at the time points of 72 hours, 5 days, 10 days and 15 days in sequence, the detection result is shown in table 4,
TABLE 4
| Time node | Concentration of malodorous gas measured by instrument |
| 72 hours | 347.5ppm |
| 5 days | 379.1ppm |
| 10 days | 356.3ppm |
| 15 days | 384.6ppm |
Although the amount of the diatomite is increased, the diatomite has a limited adsorption rate on malodorous gases, so that a considerable part of malodorous gases are not adsorbed by the diatomite in the rising process and are blown out of the covering material layer to enter the air environment, and the overall treatment effect is not as good as that of the scheme.
Comparative example 2
The "adhesive of aluminum foam and diatomaceous earth" in example 1 was replaced with one of the raw materials of the adhesive "the aluminum foam granules obtained by pulverization in example 1", and the rest of the components and operations were the same as those in example 1:
according to the weight portion, 45 portions of foamed aluminum particles, 100 portions of mineralized garbage (obtained after 3 years of landfill), 55 portions of cement (sulphoaluminate cement) and 120 portions of water are mixed and stirred fully to obtain viscous slurry, and then the viscous slurry is mixed according to the ratio of 600kg/m2Covering the domestic garbage in the landfill pit, compacting and naturally drying to obtain a covering layer.
The thick slurry of this embodiment is covered on the domestic garbage in the landfill and compacted to start timing, the malodorous gas concentration at the height of 1 meter above the covering material layer is detected by the nodes at the time points of 72 hours, 5 days, 10 days and 15 days in sequence, the detection result is shown in table 5,
TABLE 5
| Time node | Concentration of malodorous gas measured by instrument |
| 72 hours | 524.8ppm |
| 5 days | 557.2ppm |
| 10 days | 623.1ppm |
| 15 days | 670.5ppm |
As described above, if the added water amount is too large, the added water may permeate into the garbage below to form garbage leachate, so the amount of the wetting water is limited, and the adsorption effect of the foamed aluminum on the malodorous gas is not ideal, so the treatment effect on the malodorous gas in comparative example 2 is low.
Comparative example 3
The "adhesive of foamed aluminum and diatomaceous earth" in example 1 was replaced with two raw materials of the adhesive: "foamed aluminum pellets obtained by pulverization in example 1" and "diatomaceous earth", the other components and operations were the same as in example 1:
according to the weight portion, 30 portions of diatomite, 12 portions of foamed aluminum particles, 100 portions of mineralized refuse (obtained after 3 years of landfill), 55 portions of cement (sulphoaluminate cement) and 120 portions of water are mixed and stirred fully to obtain viscous slurry, and then the viscous slurry is mixed according to the ratio of 600kg/m2Covering the domestic garbage in the landfill pit, compacting and naturally drying to obtain a covering layer.
The thick slurry of this embodiment is covered on the domestic garbage in the landfill and compacted to start timing, the malodorous gas concentration at the height of 1 meter above the covering material layer is detected by the nodes at the time points of 72 hours, 5 days, 10 days and 15 days in sequence, the detection result is shown in table 6,
TABLE 6
| Time node | Concentration of malodorous gas measured by instrument |
| 72 hours | 381.4ppm |
| 5 days | 358.0ppm |
| 10 days | 372.7ppm |
| 15 days | 425.6ppm |
In comparative example 3, the diatomaceous earth and the aluminum foam particles were not reacted and bonded together, which resulted in that after being dispersed in the covering material, the diatomaceous earth unit and the aluminum foam particles often were too far apart, and the phenomenon that "the diatomaceous earth directly adsorbed malodorous gas dissolved in the humid water on the aluminum foam particles" was reduced greatly, and at this time, the cooperative effect between the diatomaceous earth and the aluminum foam particles was almost lost, resulting in a reduction in treatment effect.
Claims (7)
1. A covering material for landfill having a durable absorption function, characterized in that: the covering material comprises the components of foamed aluminum and adhesive, aggregate and bonding material of the adsorption material.
2. A covering material for landfill having a permanent absorption function according to claim 1, wherein: the covering material comprises, by weight, 20-60 parts of an adhesive of foamed aluminum and an adsorbing material, 100 parts of aggregate and 35-70 parts of an adhesive material.
3. A covering material for landfill having a permanent absorption function according to claim 1, wherein: in the adhesive of the foamed aluminum and the adsorption material, the adsorption material is diatomite.
4. A covering material for landfill having a permanent absorption function according to claim 1, wherein: the preparation method of the adhesive of the foamed aluminum and the adsorption material comprises the following steps,
the adsorption material and the particles of the foamed aluminum are fully stirred and mixed in the adhesive solution, and then are dried, crushed and sieved.
5. A covering material for landfill having a permanent absorption function according to claim 4, wherein: the adhesive solution is obtained by dispersing sodium carboxymethylcellulose and/or polyvinylpyrrolidone used as an adhesive in a solvent, wherein the solvent is water or ethanol,
the mass ratio of the adsorbing material to the particles of the foamed aluminum to the adhesive is 100: 20-50: 5 to 20.
6. A covering material for landfill having a permanent absorption function according to claim 1, wherein: the aggregate comprises fly ash, mineralized refuse and clay.
7. A covering material for landfill having a permanent absorption function according to claim 1, wherein: the bonding material is cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011033918.8A CN112076718A (en) | 2020-09-27 | 2020-09-27 | Covering material with durable absorption function for landfill |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011033918.8A CN112076718A (en) | 2020-09-27 | 2020-09-27 | Covering material with durable absorption function for landfill |
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| CN112076718A true CN112076718A (en) | 2020-12-15 |
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| CN202011033918.8A Pending CN112076718A (en) | 2020-09-27 | 2020-09-27 | Covering material with durable absorption function for landfill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291861A (en) * | 2021-12-10 | 2022-04-08 | 辽宁海天阁环保科技有限公司 | Covering slurry and landfill leachate treatment method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239810A (en) * | 2008-03-14 | 2008-08-13 | 重庆大学 | Garbage sanitary filling field covering material |
| CN102319716A (en) * | 2011-06-02 | 2012-01-18 | 福建工程学院 | Covering layer of sanitary landfill |
| CN102776508A (en) * | 2012-06-05 | 2012-11-14 | 中国科学院合肥物质科学研究院 | Method for preparing high-porosity foamed aluminium-based reversible water absorption composite |
| CN103922649A (en) * | 2014-03-27 | 2014-07-16 | 中南大学 | Refuse landfill surface covering material and application thereof |
-
2020
- 2020-09-27 CN CN202011033918.8A patent/CN112076718A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239810A (en) * | 2008-03-14 | 2008-08-13 | 重庆大学 | Garbage sanitary filling field covering material |
| CN102319716A (en) * | 2011-06-02 | 2012-01-18 | 福建工程学院 | Covering layer of sanitary landfill |
| CN102776508A (en) * | 2012-06-05 | 2012-11-14 | 中国科学院合肥物质科学研究院 | Method for preparing high-porosity foamed aluminium-based reversible water absorption composite |
| CN103922649A (en) * | 2014-03-27 | 2014-07-16 | 中南大学 | Refuse landfill surface covering material and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张增志: "《中国战略性新兴产业-芯材料 环境工程材料》", 30 November 2018, 中国铁道出版社 * |
| 陆峰: "生活垃圾填埋场覆盖材料研究进展", 《环境卫生工程》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291861A (en) * | 2021-12-10 | 2022-04-08 | 辽宁海天阁环保科技有限公司 | Covering slurry and landfill leachate treatment method |
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Application publication date: 20201215 |