CN113562997A - Method for producing geopolymer by using sludge incineration ash - Google Patents
Method for producing geopolymer by using sludge incineration ash Download PDFInfo
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- CN113562997A CN113562997A CN202110878084.9A CN202110878084A CN113562997A CN 113562997 A CN113562997 A CN 113562997A CN 202110878084 A CN202110878084 A CN 202110878084A CN 113562997 A CN113562997 A CN 113562997A
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- 239000010802 sludge Substances 0.000 title claims abstract description 57
- 229920000876 geopolymer Polymers 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000002002 slurry Substances 0.000 claims abstract description 279
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 95
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 88
- 238000002156 mixing Methods 0.000 claims abstract description 53
- 238000000465 moulding Methods 0.000 claims abstract description 43
- 239000002893 slag Substances 0.000 claims abstract description 40
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 238000007873 sieving Methods 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 112
- 229910001385 heavy metal Inorganic materials 0.000 claims description 63
- 238000012360 testing method Methods 0.000 claims description 38
- 238000012216 screening Methods 0.000 claims description 30
- 239000007787 solid Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 27
- 239000004576 sand Substances 0.000 claims description 27
- 238000002360 preparation method Methods 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000001746 injection moulding Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 20
- 230000018044 dehydration Effects 0.000 claims description 15
- 238000006297 dehydration reaction Methods 0.000 claims description 15
- 239000004570 mortar (masonry) Substances 0.000 claims description 14
- 238000003823 mortar mixing Methods 0.000 claims description 12
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 7
- 239000004115 Sodium Silicate Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 7
- 239000003292 glue Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012669 compression test Methods 0.000 abstract description 2
- 239000002910 solid waste Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 113
- 239000007788 liquid Substances 0.000 description 18
- 238000012423 maintenance Methods 0.000 description 9
- 239000012190 activator Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 1
- CONKBQPVFMXDOV-QHCPKHFHSA-N 6-[(5S)-5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-2-oxo-1,3-oxazolidin-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C[C@H]1CN(C(O1)=O)C1=CC2=C(NC(O2)=O)C=C1 CONKBQPVFMXDOV-QHCPKHFHSA-N 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 231100000171 higher toxicity Toxicity 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/005—Geopolymer cements, e.g. reaction products of aluminosilicates with alkali metal hydroxides or silicates
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Abstract
The invention discloses a method for producing geopolymer by using sludge incineration ash, which comprises the following steps of preparing a water glass solution; mixing and sieving the raw materials; uniformly stirring the slurry and injecting the slurry into a mold; curing and molding the slurry; the invention relates to a condensate compression test, which prepares a geopolymer by using ash and slag generated after sludge incineration to achieve the effect of comprehensive utilization of solid waste, wherein the slag generated after sludge incineration is equivalent to aggregate, so that the strength, impermeability and durability of the geopolymer can be improved, the ash generated after sludge incineration has the property of glue, and the geopolymer can obtain the properties of early strength and quick hardening by matching with a water-glue ratio.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to a method for producing a geopolymer by using sludge incineration ash.
Background
The sludge is a toxic sediment substance with great harmfulness generated in the treatment process of domestic sewage and industrial wastewater, the most common sludge resource utilization is to burn the sludge at high temperature and then use ash and slag generated by burning the sludge as admixture to prepare building materials, the geopolymer is a gelled material generated by reacting a raw material with pozzolana activity or potential hydraulic property with an alkaline activator, and in the alkaline activation process of an aluminosilicate-rich material, the property of the alkaline activator has great influence on the structure and the mechanical property of a final product, therefore, the alkaline activator is a key for dissolving Si and Al atoms in the aluminosilicate material to form a geopolymer precursor, and the alkaline activator is closely related to the modulus of water glass, the modulus of the water glass plays an important role in influencing the forming quality of the geopolymer, and meanwhile, the type, the particle size, the chemical composition, the maintenance system and the like of the raw material are also several important aspects influencing the geopolymerization reaction process, together determine the properties of the final synthesis product;
however, in the process of producing the geopolymer based on sludge incineration products, the means for accurately controlling the technological processes such as the modulus of water glass, the mixing amount of the performance regulator, the maintenance system and the like is not provided, so that the influences of the modulus of water glass with different parameters, the mixing amount of the performance regulator and the maintenance system on the mechanical performance of the geopolymer are large, and the mechanical strength and the quality of the geopolymer after production are reduced.
Disclosure of Invention
The invention provides a method for producing a geopolymer by using sludge incineration ash, which can effectively solve the problems that the modulus of water glass with different parameters, the doping amount of a performance regulator and the maintenance system have larger influence on the mechanical property of the geopolymer and the mechanical strength and quality of the geopolymer after production because the prior art does not have means for accurately controlling the technological processes of the modulus of the water glass, the doping amount of the performance regulator, the maintenance system and the like in the process of producing the geopolymer based on sludge incineration products.
In order to achieve the purpose, the invention provides the following technical scheme: a method for producing geopolymer by using sludge incineration ash specifically comprises the following production steps:
s1, preparing a water glass solution;
s2, mixing and sieving the raw materials;
s3, uniformly stirring the slurry and injecting the slurry into a mold;
s4, solidifying and molding the slurry;
s5, and testing the compression resistance of the condensate.
According to the above technical solution, in S1, the preparation of the water glass solution mainly includes adjusting the modulus of the water glass with NaOH to dilute the water glass to a predetermined concentration, wherein the water glass is sodium silicate water glass with a water content of 61 wt%, the modulus of the water glass M is n (Si02)/n (Na2O), and the modulus of the water glass is controlled to be 2.
According to the technical scheme, in the S2, the raw material mixing and screening treatment comprises mortar mixing and screening ash;
the mixed mortar is prepared by mixing water and sand in a mixing device, the screening ash slag is obtained by screening ash and slag obtained by burning sludge, the screening mesh number is 15 meshes, the content of a certain heavy metal in the ash slag is detected after the screening treatment of the sludge ash slag, and the content of the heavy metal in the sludge ash slag is recorded as W1.
According to the technical scheme, in the S3, the slurry stirring and injection molding comprises the preparation of the slurry and the injection molding of the slurry;
the preparation of the slurry refers to pouring the sieved ash and slag into the mortar prepared by mixing water and sand, simultaneously adding water glass into mixing equipment, starting the mixing equipment, controlling the stirring speed to be 55rpm and the stirring time to be 5min to prepare the slurry, wherein the prepared slurry comprises the following components in percentage by weight: ash: slag: sand: water glass 1:2:2.5:2.5: 1.
according to the technical scheme, the moisture content of the slurry and the disposal rate of heavy metals in the slurry are required to be detected after the slurry is prepared;
when the water content of the slurry is detected, detecting the mass of water in the slurry and the mass of solids except water in the slurry, wherein the mass of the water in the slurry is J1, and the mass of the solids except water in the slurry is J2, the water content of the slurry is as follows: J-J1/(J1 + J2) × 100%;
when the disposal rate of the heavy metal in the slurry is measured, the content of the heavy metal in the slurry is measured as in step S2, and when the content of the heavy metal in the slurry is W2, the disposal rate of the heavy metal in the slurry is (W1-W2)/W1 × 100% (H ═ W1-W2)/W1 × 100%).
According to the technical scheme, the injection molding of the slurry refers to pouring the obtained slurry into a forming mold after the slurry is subjected to charging treatment and the water content and the heavy metal disposal rate are detected.
According to the technical scheme, in the step S4, in the molding process after the slurry is poured into the molding mold, the molding pressure of the slurry in the molding mold is controlled to be 28MPa, the slurry curing molding time is controlled to be 6.5min, after the slurry is cured and molded, the obtained cured slurry product is transferred to a constant temperature and humidity box for curing, the curing temperature in a curing box is controlled to be 97 ℃, the curing time is 15h, and the relative humidity is 80%, after the slurry is cured in the curing box for 15h, the slurry product in the curing box is transferred to the outside of the box, the slurry product is cured in the air, the curing time is 21 days, and the molded cured product is obtained after the slurry product is cured in the air.
According to the technical scheme, after the slurry is made into a cured product, the moisture content of the cured product needs to be detected, when the moisture content of the cured product is detected, the mass of water in the cured product is detected, the mass G1 of water in the cured product is recorded, then the mass of solids except water in the cured product is detected, and the mass of solids in the cured product is recorded as G2, so that the moisture content of the cured product is as follows: G-G1/(G1 + G2) × 100%;
after the moisture content of the slurry and the moisture content of the solidified material are detected in step S3 and step S4, respectively, the dehydration rate of the slurry is measured by the formula T (J1-G1)/J1 × 100%, where J1 is the mass of water in the slurry, G1 is the mass of water in the solidified material, and T is the dehydration rate of the slurry.
According to the technical scheme, in the step S5, the compressive strength of the cured product is tested by using pressure testing equipment after the slurry is cured to obtain the formed cured product, and in the process of testing the compressive strength of the cured product, the compressive strength of the cured product is obtained by uniformly pressing the cured product by using the pressure testing equipment to measure the ultimate bearing pressure of the cured product.
According to the technical scheme, the standard value is set to be 20MPa after the compressive strength of the cured material is measured, the cured material is a low-strength cured material when the compressive strength of the cured material is lower than 20MPa, the cured material is a standard-strength cured material when the compressive strength of the cured material is equal to 20MPa, and the cured material is a high-strength cured material when the compressive strength of the cured material is higher than 20 MPa.
Compared with the prior art, the invention has the beneficial effects that:
the geopolymer is prepared by utilizing the ash and the slag generated after sludge incineration, so that the effect of comprehensive utilization of solid waste is achieved, the problem of high difficulty in treatment of the existing sludge is solved, meanwhile, the slag generated after sludge incineration is equivalent to the aggregate, the strength, the impermeability and the durability of the geopolymer can be improved, the ash generated after sludge incineration has the property of glue, and the geopolymer can obtain the properties of early strength and quick hardening by matching with the water-glue ratio;
in addition, the geopolymer is prepared based on the sludge incineration product, and the process flows of the modulus of the water glass, the mixing amount of the performance regulator, the maintenance system and the like can be accurately controlled in the preparation process, so that the specific parameters of the water glass, the performance regulator and the maintenance system can be accurately mastered, the subsequently generated geopolymer has higher mechanical strength and quality, the production process flow has the characteristics of low energy consumption and low cost, the resource loss is avoided, and the generated geopolymer is ensured to have higher mechanical property.
In actual production process, detect through the moisture content to the thick liquid, and then make things convenient for the moisture content of this geopolymer's of formation thick liquid of more accurate grasp of people, thick liquid simultaneously when follow-up solidification shaping is the condensate, detect through the moisture content to the condensate, and then make things convenient for the moisture content of the geopolymer of accurate this formation of knowledge, detect respectively through the moisture content to the thick liquid and the moisture content of condensate simultaneously, with this actual dehydration rate of conveniently mastering this condensate in solidification process, and then conveniently carry out further more accurate control to the shaping process of thick liquid shaping to the condensate, with this conveniently form the geopolymer that has higher mechanical properties.
Through detecting the rate of handling of heavy metal in the thick liquid, thereby conveniently measure the content of the heavy metal in this thick liquid, further conveniently judge the content of heavy metal in this thick liquid through the rate of handling of heavy metal in the thick liquid, and then conveniently judge the difference because of the heavy metal content that exists in this thick liquid through the content of heavy metal in the thick liquid, and make the toxicity size that this thick liquid has, so that the thick liquid is follow-up after generating for the condensate, avoid leading to this condensate to possess higher toxicity because of the inside heavy metal content of condensate is too high, the condensate of having guaranteed follow-up production possesses higher security.
Through carrying out compression test to the condensate, and through setting for the standard value after the compressive strength test, make the condensate can make things convenient for quick accurate understanding the compressive strength to the condensate after generating, and then be convenient for come the modulus to water glass through the compressive strength of condensate, the ratio and the maintenance system of performance regulator carry out more nimble adjustment, and then be convenient for determine the modulus of more accurate water glass and the ratio of performance regulator, also conveniently carry out accurate the accuse to the maintenance system of condensate simultaneously, conveniently produce the geopolymer that mechanical properties is more excellent.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a block flow diagram of the steps of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1: as shown in figure 1, the invention provides a technical scheme, and a method for producing a geopolymer by using sludge incineration ash, which specifically comprises the following production steps:
s1, preparing a water glass solution;
s2, mixing and sieving the raw materials;
s3, uniformly stirring the slurry and injecting the slurry into a mold;
s4, solidifying and molding the slurry;
s5, and testing the compression resistance of the condensate.
Based on the above technical solution, in S1, the preparation of the water glass solution mainly means that the modulus of the water glass is adjusted by NaOH to dilute the water glass to a set concentration, the water glass is sodium silicate water glass with a water content of 61 wt%, the modulus of the water glass M is n (Si02)/n (Na2O), and the modulus of the water glass is controlled to be 2.
Based on the technical scheme, in S2, the raw material mixing and sieving treatment comprises mortar mixing and ash sieving;
the mortar mixing refers to mixing water and sand in a mixing device to prepare mortar, the screening ash refers to screening the ash and slag obtained by burning sludge, the screening mesh number is 15 meshes, and after the screening treatment of the sludge ash, the content of a certain heavy metal in the ash is detected, and the content of the heavy metal in the sludge ash is recorded as W1.
Based on the technical scheme, in the step S3, the slurry stirring and injection molding comprises the preparation of the slurry and the injection molding of the slurry;
the preparation of the slurry refers to pouring the screened ash and slag into the mortar prepared by mixing water and sand, simultaneously adding water glass into mixing equipment, starting the mixing equipment, controlling the stirring speed to be 55rpm, controlling the stirring time to be 5min, and preparing the slurry, wherein the prepared slurry comprises the following components in proportion: ash: slag: sand: water glass 1:2.5:2.5:3: 1.
Based on the technical scheme, the moisture content of the slurry and the disposal rate of heavy metals in the slurry are required to be detected after the slurry is prepared;
when the water content of the slurry is detected, detecting the mass of water in the slurry and the mass of solids except water in the slurry, wherein the mass of the water in the slurry is J1, and the mass of the solids except water in the slurry is J2, the water content of the slurry is as follows: J-J1/(J1 + J2) × 100%;
when the disposal rate of the heavy metal in the slurry is measured, the content of the heavy metal in the slurry is measured as in step S2, and when the content of the heavy metal in the slurry is W2, the disposal rate of the heavy metal in the slurry is (W1-W2)/W1 × 100% (H ═ W1-W2)/W1 × 100%).
Based on the technical scheme, the injection molding of the slurry refers to that the obtained slurry is poured into a forming mold after the slurry is subjected to charging treatment and the water content and the heavy metal disposal rate are detected.
Based on the above technical scheme, in S4, in the molding process after the slurry is poured into the molding die, the molding pressure of the slurry in the molding die is controlled to be 28MPa, and the time for curing and molding the slurry is controlled to be 6.5min, after the slurry is cured and molded, the obtained cured slurry product is transferred to a constant temperature and humidity box for curing, the curing temperature in the curing box is controlled to be 97 ℃, the curing time is 15h, and the relative humidity is 80%, after the slurry is cured in the curing box for 15h, the slurry product in the curing box is transferred to the outside of the box, and the slurry product is cured in the air, the curing time is 21 days, and the molded cured product is obtained after the slurry product is cured in the air.
Based on the above technical scheme, after the slurry is made into a cured product, the moisture content of the cured product needs to be detected, when the moisture content of the cured product is detected, the water quality in the cured product is detected, the quality G1 of the water in the cured product is recorded, then the solid quality except water in the cured product is detected, and the solid quality in the cured product is recorded as G2, so that the moisture content of the cured product is as follows: G-G1/(G1 + G2) × 100%;
after the moisture content of the slurry and the moisture content of the solidified material are detected in step S3 and step S4, respectively, the dehydration rate of the slurry is measured by the formula T (J1-G1)/J1 × 100%, where J1 is the mass of water in the slurry, G1 is the mass of water in the solidified material, and T is the dehydration rate of the slurry.
Based on above-mentioned technical scheme, in S5, the cured object compressive strength test, after the thick liquid is cured to make fashioned cured object, test the compressive strength of the cured object after natural curing 21 days through the pressure test equipment, in the in-process of testing cured object compressive strength, mainly carry out the even pressure to the cured object through the pressure test equipment, come to measure the ultimate bearing pressure of cured object and obtain the compressive strength of this cured object, in water: ash: slag: sand: when the ratio of water glass was 1:2.5:2.5:3:1, the compressive strength of the cured product was 20 MPa.
Based on the technical scheme, after the compressive strength of the cured product is measured, the standard value is set to be 20MPa, and then the cured product is the standard strength cured product.
Example 2: as shown in figure 1, the invention provides a technical scheme, and a method for producing a geopolymer by using sludge incineration ash, which specifically comprises the following production steps:
s1, preparing a water glass solution;
s2, mixing and sieving the raw materials;
s3, uniformly stirring the slurry and injecting the slurry into a mold;
s4, solidifying and molding the slurry;
s5, and testing the compression resistance of the condensate.
Based on the above technical solution, in S1, the preparation of the water glass solution mainly means that the modulus of the water glass is adjusted by NaOH to dilute the water glass to a set concentration, the water glass is sodium silicate water glass with a water content of 61 wt%, the modulus of the water glass M is n (Si02)/n (Na2O), and the modulus of the water glass is controlled to be 2.
Based on the technical scheme, in S2, the raw material mixing and sieving treatment comprises mortar mixing and ash sieving;
the mortar mixing refers to mixing water and sand in a mixing device to prepare mortar, the screening ash refers to screening the ash and slag obtained by burning sludge, the screening mesh number is 15 meshes, and after the screening treatment of the sludge ash, the content of a certain heavy metal in the ash is detected, and the content of the heavy metal in the sludge ash is recorded as W1.
Based on the technical scheme, in the step S3, the slurry stirring and injection molding comprises the preparation of the slurry and the injection molding of the slurry;
the preparation of the slurry refers to pouring the screened ash and slag into the mortar prepared by mixing water and sand, simultaneously adding water glass into mixing equipment, starting the mixing equipment, controlling the stirring speed to be 55rpm, controlling the stirring time to be 5min, and preparing the slurry, wherein the prepared slurry comprises the following components in proportion: ash: slag: sand: water glass 1:2:2.5:2.5: 1.
Based on the technical scheme, the moisture content of the slurry and the disposal rate of heavy metals in the slurry are required to be detected after the slurry is prepared;
when the water content of the slurry is detected, detecting the mass of water in the slurry and the mass of solids except water in the slurry, wherein the mass of the water in the slurry is J1, and the mass of the solids except water in the slurry is J2, the water content of the slurry is as follows: J-J1/(J1 + J2) × 100%;
when the disposal rate of the heavy metal in the slurry is measured, the content of the heavy metal in the slurry is measured as in step S2, and when the content of the heavy metal in the slurry is W2, the disposal rate of the heavy metal in the slurry is (W1-W2)/W1 × 100% (H ═ W1-W2)/W1 × 100%).
Based on the technical scheme, the injection molding of the slurry refers to that the obtained slurry is poured into a forming mold after the slurry is subjected to charging treatment and the water content and the heavy metal disposal rate are detected.
Based on the above technical scheme, in S4, in the molding process after the slurry is poured into the molding die, the molding pressure of the slurry in the molding die is controlled to be 28MPa, and the time for curing and molding the slurry is controlled to be 6.5min, after the slurry is cured and molded, the obtained cured slurry product is transferred to a constant temperature and humidity box for curing, the curing temperature in the curing box is controlled to be 97 ℃, the curing time is 15h, and the relative humidity is 80%, after the slurry is cured in the curing box for 15h, the slurry product in the curing box is transferred to the outside of the box, and the slurry product is cured in the air, the curing time is 21 days, and the molded cured product is obtained after the slurry product is cured in the air.
Based on the above technical scheme, after the slurry is made into a cured product, the moisture content of the cured product needs to be detected, when the moisture content of the cured product is detected, the water quality in the cured product is detected, the quality G1 of the water in the cured product is recorded, then the solid quality except water in the cured product is detected, and the solid quality in the cured product is recorded as G2, so that the moisture content of the cured product is as follows: G-G1/(G1 + G2) × 100%;
after the moisture content of the slurry and the moisture content of the solidified material are detected in step S3 and step S4, respectively, the dehydration rate of the slurry is measured by the formula T (J1-G1)/J1 × 100%, where J1 is the mass of water in the slurry, G1 is the mass of water in the solidified material, and T is the dehydration rate of the slurry.
Based on above-mentioned technical scheme, in S5, the cured object compressive strength test, after the thick liquid is cured to make fashioned cured object, test the compressive strength of the cured object after natural curing 21 days through the pressure test equipment, in the in-process of testing cured object compressive strength, mainly carry out the even pressure to the cured object through the pressure test equipment, come to measure the ultimate bearing pressure of cured object and obtain the compressive strength of this cured object, in water: ash: slag: sand: when the ratio of water glass was 1:2:2.5:2.5:1, the compressive strength of the cured product was 22 MPa.
Based on the technical scheme, the standard value is set to be 20MPa after the compressive strength of the cured product is measured, and then the cured product is a high-strength cured product.
Example 3: as shown in figure 1, the invention provides a technical scheme, and a method for producing a geopolymer by using sludge incineration ash, which specifically comprises the following production steps:
s1, preparing a water glass solution;
s2, mixing and sieving the raw materials;
s3, uniformly stirring the slurry and injecting the slurry into a mold;
s4, solidifying and molding the slurry;
s5, and testing the compression resistance of the condensate.
Based on the above technical solution, in S1, the preparation of the water glass solution mainly means that the modulus of the water glass is adjusted by NaOH to dilute the water glass to a set concentration, the water glass is sodium silicate water glass with a water content of 61 wt%, the modulus of the water glass M is n (Si02)/n (Na2O), and the modulus of the water glass is controlled to be 2.
Based on the technical scheme, in S2, the raw material mixing and sieving treatment comprises mortar mixing and ash sieving;
the mortar mixing refers to mixing water and sand in a mixing device to prepare mortar, the screening ash refers to screening the ash and slag obtained by burning sludge, the screening mesh number is 15 meshes, and after the screening treatment of the sludge ash, the content of a certain heavy metal in the ash is detected, and the content of the heavy metal in the sludge ash is recorded as W1.
Based on the technical scheme, in the step S3, the slurry stirring and injection molding comprises the preparation of the slurry and the injection molding of the slurry;
the preparation of the slurry refers to pouring the screened ash and slag into the mortar prepared by mixing water and sand, simultaneously adding water glass into mixing equipment, starting the mixing equipment, controlling the stirring speed to be 55rpm, controlling the stirring time to be 5min, and preparing the slurry, wherein the prepared slurry comprises the following components in proportion: ash: slag: sand: water glass 1:1.5:5.5:1: 1.
Based on the technical scheme, the moisture content of the slurry and the disposal rate of heavy metals in the slurry are required to be detected after the slurry is prepared;
when the water content of the slurry is detected, detecting the mass of water in the slurry and the mass of solids except water in the slurry, wherein the mass of the water in the slurry is J1, and the mass of the solids except water in the slurry is J2, the water content of the slurry is as follows: J-J1/(J1 + J2) × 100%;
when the disposal rate of the heavy metal in the slurry is measured, the content of the heavy metal in the slurry is measured as in step S2, and when the content of the heavy metal in the slurry is W2, the disposal rate of the heavy metal in the slurry is (W1-W2)/W1 × 100% (H ═ W1-W2)/W1 × 100%).
Based on the technical scheme, the injection molding of the slurry refers to that the obtained slurry is poured into a forming mold after the slurry is subjected to charging treatment and the water content and the heavy metal disposal rate are detected.
Based on the above technical scheme, in S4, in the molding process after the slurry is poured into the molding die, the molding pressure of the slurry in the molding die is controlled to be 28MPa, and the time for curing and molding the slurry is controlled to be 6.5min, after the slurry is cured and molded, the obtained cured slurry product is transferred to a constant temperature and humidity box for curing, the curing temperature in the curing box is controlled to be 97 ℃, the curing time is 15h, and the relative humidity is 80%, after the slurry is cured in the curing box for 15h, the slurry product in the curing box is transferred to the outside of the box, and the slurry product is cured in the air, the curing time is 21 days, and the molded cured product is obtained after the slurry product is cured in the air.
Based on the above technical scheme, after the slurry is made into a cured product, the moisture content of the cured product needs to be detected, when the moisture content of the cured product is detected, the water quality in the cured product is detected, the quality G1 of the water in the cured product is recorded, then the solid quality except water in the cured product is detected, and the solid quality in the cured product is recorded as G2, so that the moisture content of the cured product is as follows: G-G1/(G1 + G2) × 100%;
after the moisture content of the slurry and the moisture content of the solidified material are detected in step S3 and step S4, respectively, the dehydration rate of the slurry is measured by the formula T (J1-G1)/J1 × 100%, where J1 is the mass of water in the slurry, G1 is the mass of water in the solidified material, and T is the dehydration rate of the slurry.
Based on above-mentioned technical scheme, in S5, the cured object compressive strength test, after the thick liquid is cured to make fashioned cured object, test the compressive strength of the cured object after natural curing 21 days through the pressure test equipment, in the in-process of testing cured object compressive strength, mainly carry out the even pressure to the cured object through the pressure test equipment, come to measure the ultimate bearing pressure of cured object and obtain the compressive strength of this cured object, in water: ash: slag: sand: when the ratio of water glass was 1:1.5:5.5:1:1, the compressive strength of the cured product was 18 MPa.
Based on the technical scheme, the standard value is set to be 20MPa after the compressive strength of the cured product is measured, and the cured product is a low-strength cured product.
Example 4: as shown in figure 1, the invention provides a technical scheme, and a method for producing a geopolymer by using sludge incineration ash, which specifically comprises the following production steps:
s1, preparing a water glass solution;
s2, mixing and sieving the raw materials;
s3, uniformly stirring the slurry and injecting the slurry into a mold;
s4, solidifying and molding the slurry;
s5, and testing the compression resistance of the condensate.
Based on the above technical solution, in S1, the preparation of the water glass solution mainly means that the modulus of the water glass is adjusted by NaOH to dilute the water glass to a set concentration, the water glass is sodium silicate water glass with a water content of 61 wt%, the modulus of the water glass M is n (Si02)/n (Na2O), and the modulus of the water glass is controlled to be 2.
Based on the technical scheme, in S2, the raw material mixing and sieving treatment comprises mortar mixing and ash sieving;
the mortar mixing refers to mixing water and sand in a mixing device to prepare mortar, the screening ash refers to screening the ash and slag obtained by burning sludge, the screening mesh number is 15 meshes, and after the screening treatment of the sludge ash, the content of a certain heavy metal in the ash is detected, and the content of the heavy metal in the sludge ash is recorded as W1.
Based on the technical scheme, in the step S3, the slurry stirring and injection molding comprises the preparation of the slurry and the injection molding of the slurry;
the preparation of the slurry refers to pouring the screened ash and slag into the mortar prepared by mixing water and sand, simultaneously adding water glass into mixing equipment, starting the mixing equipment, controlling the stirring speed to be 55rpm, controlling the stirring time to be 5min, and preparing the slurry, wherein the prepared slurry comprises the following components in proportion: ash: slag: sand: water glass 1:2:6:0: 1.
Based on the technical scheme, the moisture content of the slurry and the disposal rate of heavy metals in the slurry are required to be detected after the slurry is prepared;
when the water content of the slurry is detected, detecting the mass of water in the slurry and the mass of solids except water in the slurry, wherein the mass of the water in the slurry is J1, and the mass of the solids except water in the slurry is J2, the water content of the slurry is as follows: J-J1/(J1 + J2) × 100%;
when the disposal rate of the heavy metal in the slurry is measured, the content of the heavy metal in the slurry is measured as in step S2, and when the content of the heavy metal in the slurry is W2, the disposal rate of the heavy metal in the slurry is (W1-W2)/W1 × 100% (H ═ W1-W2)/W1 × 100%).
Based on the technical scheme, the injection molding of the slurry refers to that the obtained slurry is poured into a forming mold after the slurry is subjected to charging treatment and the water content and the heavy metal disposal rate are detected.
Based on the above technical scheme, in S4, in the molding process after the slurry is poured into the molding die, the molding pressure of the slurry in the molding die is controlled to be 28MPa, and the time for curing and molding the slurry is controlled to be 6.5min, after the slurry is cured and molded, the obtained cured slurry product is transferred to a constant temperature and humidity box for curing, the curing temperature in the curing box is controlled to be 97 ℃, the curing time is 15h, and the relative humidity is 80%, after the slurry is cured in the curing box for 15h, the slurry product in the curing box is transferred to the outside of the box, and the slurry product is cured in the air, the curing time is 21 days, and the molded cured product is obtained after the slurry product is cured in the air.
Based on the above technical scheme, after the slurry is made into a cured product, the moisture content of the cured product needs to be detected, when the moisture content of the cured product is detected, the water quality in the cured product is detected, the quality G1 of the water in the cured product is recorded, then the solid quality except water in the cured product is detected, and the solid quality in the cured product is recorded as G2, so that the moisture content of the cured product is as follows: G-G1/(G1 + G2) × 100%;
after the moisture content of the slurry and the moisture content of the solidified material are detected in step S3 and step S4, respectively, the dehydration rate of the slurry is measured by the formula T (J1-G1)/J1 × 100%, where J1 is the mass of water in the slurry, G1 is the mass of water in the solidified material, and T is the dehydration rate of the slurry.
Based on above-mentioned technical scheme, in S5, the cured object compressive strength test, after the thick liquid is cured to make fashioned cured object, test the compressive strength of the cured object after natural curing 21 days through the pressure test equipment, in the in-process of testing cured object compressive strength, mainly carry out the even pressure to the cured object through the pressure test equipment, come to measure the ultimate bearing pressure of cured object and obtain the compressive strength of this cured object, in water: ash: slag: sand: when the ratio of water glass was 1:2:6:0:1, the compressive strength of the cured product was 18 MPa.
Based on the technical scheme, the standard value is set to be 20MPa after the compressive strength of the cured product is measured, and the cured product is a low-strength cured product.
Example 5: as shown in figure 1, the invention provides a technical scheme, and a method for producing a geopolymer by using sludge incineration ash, which specifically comprises the following production steps:
s1, preparing a water glass solution;
s2, mixing and sieving the raw materials;
s3, uniformly stirring the slurry and injecting the slurry into a mold;
s4, solidifying and molding the slurry;
s5, and testing the compression resistance of the condensate.
Based on the above technical solution, in S1, the preparation of the water glass solution mainly means that the modulus of the water glass is adjusted by NaOH to dilute the water glass to a set concentration, the water glass is sodium silicate water glass with a water content of 61 wt%, the modulus of the water glass M is n (Si02)/n (Na2O), and the modulus of the water glass is controlled to be 2.
Based on the technical scheme, in S2, the raw material mixing and sieving treatment comprises mortar mixing and ash sieving;
the mortar mixing refers to mixing water and sand in a mixing device to prepare mortar, the screening ash refers to screening the ash and slag obtained by burning sludge, the screening mesh number is 15 meshes, and after the screening treatment of the sludge ash, the content of a certain heavy metal in the ash is detected, and the content of the heavy metal in the sludge ash is recorded as W1.
Based on the technical scheme, in the step S3, the slurry stirring and injection molding comprises the preparation of the slurry and the injection molding of the slurry;
the preparation of the slurry refers to pouring the screened ash and slag into the mortar prepared by mixing water and sand, simultaneously adding water glass into mixing equipment, starting the mixing equipment, controlling the stirring speed to be 55rpm, controlling the stirring time to be 5min, and preparing the slurry, wherein the prepared slurry comprises the following components in proportion: ash: slag: sand: water glass is 1:4:4:0: 1.
Based on the technical scheme, the moisture content of the slurry and the disposal rate of heavy metals in the slurry are required to be detected after the slurry is prepared;
when the water content of the slurry is detected, detecting the mass of water in the slurry and the mass of solids except water in the slurry, wherein the mass of the water in the slurry is J1, and the mass of the solids except water in the slurry is J2, the water content of the slurry is as follows: J-J1/(J1 + J2) × 100%;
when the disposal rate of the heavy metal in the slurry is measured, the content of the heavy metal in the slurry is measured as in step S2, and when the content of the heavy metal in the slurry is W2, the disposal rate of the heavy metal in the slurry is (W1-W2)/W1 × 100% (H ═ W1-W2)/W1 × 100%).
Based on the technical scheme, the injection molding of the slurry refers to that the obtained slurry is poured into a forming mold after the slurry is subjected to charging treatment and the water content and the heavy metal disposal rate are detected.
Based on the above technical scheme, in S4, in the molding process after the slurry is poured into the molding die, the molding pressure of the slurry in the molding die is controlled to be 28MPa, and the time for curing and molding the slurry is controlled to be 6.5min, after the slurry is cured and molded, the obtained cured slurry product is transferred to a constant temperature and humidity box for curing, the curing temperature in the curing box is controlled to be 97 ℃, the curing time is 15h, and the relative humidity is 80%, after the slurry is cured in the curing box for 15h, the slurry product in the curing box is transferred to the outside of the box, and the slurry product is cured in the air, the curing time is 21 days, and the molded cured product is obtained after the slurry product is cured in the air.
Based on the above technical scheme, after the slurry is made into a cured product, the moisture content of the cured product needs to be detected, when the moisture content of the cured product is detected, the water quality in the cured product is detected, the quality G1 of the water in the cured product is recorded, then the solid quality except water in the cured product is detected, and the solid quality in the cured product is recorded as G2, so that the moisture content of the cured product is as follows: G-G1/(G1 + G2) × 100%;
after the moisture content of the slurry and the moisture content of the solidified material are detected in step S3 and step S4, respectively, the dehydration rate of the slurry is measured by the formula T (J1-G1)/J1 × 100%, where J1 is the mass of water in the slurry, G1 is the mass of water in the solidified material, and T is the dehydration rate of the slurry.
Based on above-mentioned technical scheme, in S5, the cured object compressive strength test, after the thick liquid is cured to make fashioned cured object, test the compressive strength of the cured object after natural curing 21 days through the pressure test equipment, in the in-process of testing cured object compressive strength, mainly carry out the even pressure to the cured object through the pressure test equipment, come to measure the ultimate bearing pressure of cured object and obtain the compressive strength of this cured object, in water: ash: slag: sand: when the ratio of water glass was 1:4:4:0:1, the compressive strength of the cured product was 18 MPa.
Based on the technical scheme, the standard value is set to be 20MPa after the compressive strength of the cured product is measured, and the cured product is a low-strength cured product.
The compressive strength of the cured product obtained by controlling the compositional proportions of the cured product slurries in example 1, example 2, example 3, example 4, and example 5 is shown in the following table:
| examples | Water (W) | Ash of | Slag | Sand | Water glass | Compressive strength |
| Example 1 | 1 | 2.5 | 2.5 | 3 | 1 | 20MPa |
| Example 2 | 1 | 2 | 2.5 | 2.5 | 1 | 22MPa |
| Example 3 | 1 | 1.5 | 5.5 | 1 | 1 | 18MPa |
| Example 4 | 1 | 2 | 6 | 0 | 1 | 18MPa |
| Example 5 | 1 | 4 | 4 | 0 | 1 | 18MPa |
As can be seen from the above table, in example 2, in water: ash: slag: sand: when the ratio of the water glass was 1:2:2.5:2.5:1, the compressive strength of the cured product was 22MPa, and the cured product was a high-strength cured product.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for producing geopolymer by using sludge incineration ash is characterized by comprising the following steps: the method specifically comprises the following production steps:
s1, preparing a water glass solution;
s2, mixing and sieving the raw materials;
s3, uniformly stirring the slurry and injecting the slurry into a mold;
s4, solidifying and molding the slurry;
s5, and testing the compression resistance of the condensate.
2. The method for producing geopolymer by using sludge incineration ash as claimed in claim 1, characterized in that: in S1, the preparation of the water glass solution mainly means that the modulus of water glass is adjusted by NaOH to dilute the water glass to a set concentration, the water glass is sodium silicate water glass with a water content of 61 wt%, the modulus of water glass M ═ n (Si02)/n (Na2O), and the modulus of water glass is controlled to be 1.6-2.5.
3. The method for producing geopolymer by using sludge incineration ash as claimed in claim 1, characterized in that: in the S2, the raw material mixing and sieving treatment comprises mortar mixing and sieving ash;
the mixed mortar is prepared by mixing water and sand in a mixing device, the screening ash slag is obtained by screening ash and slag obtained by burning sludge, the screening mesh number is 10-20 meshes, and after the screening treatment of the sludge ash slag, the content of a certain heavy metal in the ash slag is detected, and the content of the heavy metal in the sludge ash slag is recorded as W1.
4. A method for producing geopolymers from sludge incineration ash as claimed in claim 3, characterized in that: in the S3, the slurry stirring and injection molding comprises the preparation of the slurry and the injection molding of the slurry;
the preparation of the slurry is that ash and slag after sieving treatment are poured into mortar prepared by mixing water and sand, water glass is also added into a mixing device, the mixing device is started, the stirring speed is controlled to be 50-60rpm, the stirring time is controlled to be 5min, and the slurry is prepared, wherein the ratio of each component in the prepared slurry is as follows: ash: slag: sand: water glass 1: (1.5-4): (1.5-6): (0-2.5): 1.
5. the method for producing geopolymer by using sludge incineration ash as claimed in claim 4, characterized in that: detecting the water content of the slurry and the disposal rate of heavy metals in the slurry after the slurry is prepared;
when the water content of the slurry is detected, detecting the mass of water in the slurry and the mass of solids except water in the slurry, wherein the mass of the water in the slurry is J1, and the mass of the solids except water in the slurry is J2, the water content of the slurry is as follows: J-J1/(J1 + J2) × 100%;
when the disposal rate of the heavy metal in the slurry is measured, the content of the heavy metal in the slurry is measured as in step S2, and when the content of the heavy metal in the slurry is W2, the disposal rate of the heavy metal in the slurry is (W1-W2)/W1 × 100% (H ═ W1-W2)/W1 × 100%).
6. The method for producing geopolymer by using sludge incineration ash as claimed in claim 4, characterized in that: the injection molding of the slurry refers to pouring the obtained slurry into a forming mold after the slurry is subjected to charging treatment and the moisture content and the heavy metal disposal rate are detected.
7. The method for producing geopolymer by using sludge incineration ash as claimed in claim 6, characterized in that: in the S4, in the molding process after the slurry is poured into the molding mold, the molding pressure of the slurry in the molding mold is controlled to be 10-45MPa, the slurry curing molding time is controlled to be 3-10min, after the slurry is cured and molded, the obtained cured slurry product is transferred to a constant temperature and humidity box for curing, the curing temperature in the curing box is controlled to be 90-105 ℃, the curing time is 15h, and the relative humidity is 70-90%, after the slurry is cured in the curing box for 15h, the slurry product in the curing box is transferred to the outside of the box, the slurry product is cured in the air, the curing time is 14-28 days, and the molded cured product is obtained after the slurry product is cured in the air.
8. The method for producing geopolymer using sludge incineration ash as claimed in claim 7, characterized in that: after the slurry is made into a cured product, the moisture content of the cured product needs to be detected, when the moisture content of the cured product is detected, the mass of water in the cured product is detected, the mass G1 of water in the cured product is recorded, then the mass of solids except water in the cured product is detected, and the mass G2 of solids in the cured product is recorded, so that the moisture content of the cured product is as follows: G-G1/(G1 + G2) × 100%;
after the moisture content of the slurry and the moisture content of the solidified material are detected in step S3 and step S4, respectively, the dehydration rate of the slurry is measured by the formula T (J1-G1)/J1 × 100%, where J1 is the mass of water in the slurry, G1 is the mass of water in the solidified material, and T is the dehydration rate of the slurry.
9. The method for producing geopolymer using sludge incineration ash as claimed in claim 7, characterized in that: in the step S5, the compressive strength of the cured object is tested by using a pressure testing device after the slurry is cured to obtain a molded cured object, and the compressive strength of the cured object after natural curing for 21 days is tested by using the pressure testing device.
10. The method for producing geopolymer using sludge incineration ash as claimed in claim 9, characterized in that: when the standard value is set to 20MPa after the compressive strength of the cured product is measured, the cured product is a low-strength cured product when the compressive strength of the cured product is lower than 20MPa, the cured product is a standard-strength cured product when the compressive strength of the cured product is equal to 20MPa, and the cured product is a high-strength cured product when the compressive strength of the cured product is higher than 20 MPa.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812888A (en) * | 2010-03-09 | 2010-08-25 | 上海师范大学 | Concrete brick containing sludge burning ash residue |
| CN106495512A (en) * | 2016-10-13 | 2017-03-15 | 沈阳航空航天大学 | A kind of sludge incineration flying dust base low alkalinity geology polymer material and preparation method thereof |
| CN108863116A (en) * | 2018-07-19 | 2018-11-23 | 深圳大学 | The efficient fixing means for preparing geo-polymer and Heavy Metals in Sludge is blended with granulated blast-furnace slag for dewatered sludge residue |
-
2021
- 2021-07-30 CN CN202110878084.9A patent/CN113562997A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812888A (en) * | 2010-03-09 | 2010-08-25 | 上海师范大学 | Concrete brick containing sludge burning ash residue |
| CN106495512A (en) * | 2016-10-13 | 2017-03-15 | 沈阳航空航天大学 | A kind of sludge incineration flying dust base low alkalinity geology polymer material and preparation method thereof |
| CN108863116A (en) * | 2018-07-19 | 2018-11-23 | 深圳大学 | The efficient fixing means for preparing geo-polymer and Heavy Metals in Sludge is blended with granulated blast-furnace slag for dewatered sludge residue |
Non-Patent Citations (1)
| Title |
|---|
| 肖羽堂等: "《城市污水处理技术》", 中国建材工业出版社, pages: 151 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114591036A (en) * | 2022-03-09 | 2022-06-07 | 范冬晗 | Zeolite-based geopolymer ecological building block material and building block manufacturing method |
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