CN115301681A - Additive for fused refuse incineration fly ash and method for fusing refuse incineration fly ash - Google Patents

Additive for fused refuse incineration fly ash and method for fusing refuse incineration fly ash Download PDF

Info

Publication number
CN115301681A
CN115301681A CN202211072796.2A CN202211072796A CN115301681A CN 115301681 A CN115301681 A CN 115301681A CN 202211072796 A CN202211072796 A CN 202211072796A CN 115301681 A CN115301681 A CN 115301681A
Authority
CN
China
Prior art keywords
fly ash
additive
melting
incineration fly
mixed material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211072796.2A
Other languages
Chinese (zh)
Inventor
严册
肖诚斌
胡明
王博
辛芳
赵彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Everbright Green Technology Innovation Research Institute Co ltd
Everbright Envirotech China Ltd
Everbright Environmental Protection Technology Research Institute Shenzhen Co Ltd
Original Assignee
China Everbright Green Technology Innovation Research Institute Co ltd
Everbright Envirotech China Ltd
Everbright Environmental Protection Technology Research Institute Shenzhen Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Everbright Green Technology Innovation Research Institute Co ltd, Everbright Envirotech China Ltd, Everbright Environmental Protection Technology Research Institute Shenzhen Co Ltd filed Critical China Everbright Green Technology Innovation Research Institute Co ltd
Priority to CN202211072796.2A priority Critical patent/CN115301681A/en
Publication of CN115301681A publication Critical patent/CN115301681A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/20Agglomeration, binding or encapsulation of solid waste
    • B09B3/25Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
    • B09B3/29Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix involving a melting or softening step
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B2101/00Type of solid waste
    • B09B2101/30Incineration ashes

Abstract

The application discloses an additive of fused waste incineration fly ash and a method for melting the fused waste incineration fly ash, wherein the additive comprises 10-40 parts of SiO (silicon dioxide) by weight 2 0-10 parts of H 3 BO 3 And 1-10 parts of Bi 2 O 3 (ii) a The method comprises the following steps: providing an additive for the molten waste incineration fly ash; mixing the additive and a sample of incineration fly ash and granulating to obtain a mixed material and granules; drying the mixed material for granulation; putting the dried mixed material into a plasma melting furnace for melting treatment; and cooling after complete melting to obtain the glassy state slag. The method has the effect of further reducing the melting temperature of the fly ash, so that the energy consumption of the fly ash during melting and solidification is reduced.

Description

Additive for fused refuse incineration fly ash and method for fusing refuse incineration fly ash
Technical Field
The application relates to the technical field of waste incineration, in particular to an additive for melting waste incineration fly ash and a method for melting waste incineration fly ash.
Background
The incineration of garbage can generate solid residues such as combustion fly ash, slag, waste heat boiler ash and the like, wherein the fly ash often contains heavy metals with high concentration and is discharged after being treated.
In the related technology, a melting and solidifying mode is used to fix harmful substances such as heavy metals in the fly ash in a molten glass body, so as to achieve the purpose of harmless treatment. However, in the melting process, a long time of high-temperature heating is required, and heating to about 1500 ℃ is generally required, and the long time of heating causes a large energy consumption and affects the processing efficiency.
Improvements are therefore needed to address at least one of the above problems.
Disclosure of Invention
Aiming at the problems in the related art, the application provides an additive for fused waste incineration fly ash and a method for fusing the fused waste incineration fly ash.
In a first aspect, the application provides an additive for fly ash from incineration of molten waste, which comprises the following technical scheme:
an additive for fused waste incineration fly ash, which comprises 10-40 parts by weight of SiO 2 0-10 parts of H 3 BO 3 And 1-10 parts of Bi 2 O 3
Illustratively, the additive comprises 10% to 40% of the total weight of the mix.
Illustratively, the additive accounts for 20% -30% of the total weight of the mixture.
Illustratively, the SiO 2 20-30 parts.
Illustratively, said H 3 BO 3 Is 2-5 parts.
Illustratively, the Bi 2 O 3 Is 3-8 parts.
On the other hand, the application provides a method for melting waste incineration fly ash, which comprises the following technical scheme:
a method for melting waste incineration fly ash comprises the following steps:
providing the additive for melting waste incineration fly ash; mixing the additive and a sample of incineration fly ash and granulating to obtain a mixed material and granules; drying the mixed material for granulation; putting the dried mixed material into a plasma melting furnace for melting treatment; and cooling after complete melting to obtain the glassy-state slag.
Illustratively, the drying process for granulating the mixed material comprises the following steps: and drying the mixed material granulation, wherein the drying temperature is 70 ℃.
Illustratively, the temperature of the melt-processed fly ash does not exceed 1100 degrees Celsius.
Illustratively, the proportion of the additive in the mixed material granulation is 20% -30%.
The application has at least the following technical effects:
according to the invention, by adding the additive and mixing with the incineration fly ash, the temperature of melting treatment can be reduced, energy consumption is reduced, and efficiency is improved; introduction of Bi into additive formula 2 O 3 Can replace B in the additive 2 O 3 With the action of Bi 2 O 3 The content is increased continuously, the B-O structure is gradually replaced by the Bi-O structure, and the melting temperature of the fly ash can be reduced by one step because the bond energy of the Bi-O is lower than that of the B-O.
Drawings
The following drawings of the present application are included to provide an understanding of the present application. The drawings illustrate embodiments of the application and their description, serve to explain the devices and principles of the application. In the drawings there is shown in the drawings,
FIG. 1 is a flow chart of a method for melting waste incineration fly ash according to an embodiment of the present application.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present application. It will be apparent, however, to one skilled in the art, that the present application may be practiced without one or more of these specific details. In other instances, well-known features of the art have not been described in order to avoid obscuring the present application.
It is to be understood that the present application may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like reference numerals refer to like elements throughout.
It will be understood that, although the terms first, second, third, etc. may be used to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application.
Spatial relational terms such as "under," "below," "under," "above," "over," and the like may be used herein for convenience in describing the relationship of one element or feature to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of the associated listed items.
Embodiments of the invention are described herein with reference to cross-sectional illustrations that are schematic illustrations of idealized embodiments (and intermediate structures) of the present application. As such, variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, are to be expected. Thus, embodiments of the present application should not be limited to the particular shapes of regions illustrated herein, but are to include deviations in shapes that result, for example, from manufacturing. Thus, the regions illustrated in the figures are schematic in nature and their shapes are not intended to illustrate the actual shape of a region of a device and are not intended to limit the scope of the present application.
Example one
The embodiment of the application provides an additive of fused waste incineration fly ash, which comprises the following components: siO 2 2 、H 3 BO 3 And Bi 2 O 3 . Wherein, calculated by weight portion, comprises 20 portions of SiO 2 5 parts of H 3 BO 3 And 15 parts of Bi 2 O 3 . When the additive and the materials are mixed, the additive accounts for 20 percent of the total weight of the mixed materials.
Referring to fig. 1, a method for melting waste incineration fly ash includes the following steps:
s1, providing an additive for fused waste incineration fly ash and a sample of incineration fly ash, wherein when the additive and materials are mixed, the additive accounts for 20% of the total weight of the mixed materials.
And S2, mixing the additive and the sample of the incineration fly ash, and granulating to obtain a mixed material.
And S3, drying the mixed material for granulation, wherein the drying is carried out in a drying mode, the drying temperature is 70 ℃, and illustratively, the water content of the dried mixed material is controlled not to exceed 10%.
And S4, putting the dried mixed material into a plasma melting furnace for melting treatment, wherein the melting time is 1 hour, and the melting temperature is 1000 ℃.
And S5, cooling after complete melting to obtain the glassy-state slag. Illustratively, the cooling method is water cooling, and the heavy metal leaching rate in the vitreous body is obtained by measurement after obtaining the glassy slag.
Table 1 additive formulation parameters and melt processing incineration fly ash process parameters for examples 1-3 and comparative examples 1-3.
Figure BDA0003829766980000041
The differences between the additives for melting fly ash of examples 2 to 3 and comparative examples 1 to 3 and example 1 are shown in Table 1, and the other parts are the same as example 1. The method specifically comprises the following steps:
example two
An additive for the fly ash generated by burning molten garbage is prepared from (by weight parts) SiO 30 2 5 parts of H 3 BO 3 3 parts of Bi 2 O 3
A method for melting waste incineration fly ash comprises the following steps:
s1, providing an additive for fused waste incineration fly ash and a sample of incineration fly ash, wherein when the additive and materials are mixed, the additive accounts for 20% of the total weight of the mixed materials.
And S2, mixing the additive and the incineration fly ash sample, and granulating to obtain a mixed material.
And S3, drying the mixed material for granulation, wherein the drying is carried out in a drying mode, the drying temperature is 70 ℃, and illustratively, the water content of the dried mixed material is controlled not to exceed 10%.
And S4, putting the dried mixed material into a plasma melting furnace for melting treatment, wherein the melting time is 1 hour, and the melting temperature is 1050 ℃.
And S5, cooling after complete melting to obtain the glassy state slag. Illustratively, the cooling method is water cooling, and the heavy metal leaching rate in the vitreous body is obtained by measurement after obtaining the glassy slag.
EXAMPLE III
An additive for fused waste incineration fly ash comprises 20 parts by weight of SiO 2 2 parts of H 3 BO 3 8 parts of Bi 2 O 3
A method for melting waste incineration fly ash comprises the following steps:
s1, providing an additive for fused waste incineration fly ash and a sample of incineration fly ash, wherein when the additive and materials are mixed, the additive accounts for 30% of the total weight of the mixed materials.
And S2, mixing the additive and the sample of the incineration fly ash, and granulating to obtain a mixed material.
And S3, drying the mixed material for granulation, wherein the drying is carried out in a drying mode, the drying temperature is 70 ℃, and illustratively, the water content of the dried mixed material is controlled not to exceed 10%.
And S4, putting the dried mixed material into a plasma melting furnace for melting treatment, wherein the melting time is 1 hour, and the melting temperature is 950 ℃.
And S5, cooling after complete melting to obtain the glassy state slag. Illustratively, the cooling method is water cooling, and the heavy metal leaching rate in the vitreous body is obtained by measurement after obtaining the glassy slag.
Comparative example 1
An additive for the fly ash generated by burning molten garbage is prepared from SiO 20 portions 2 10 parts of H 3 BO 3
A method for melting waste incineration fly ash comprises the following steps:
s1, providing an additive for fused waste incineration fly ash and a sample of incineration fly ash, wherein when the additive and materials are mixed, the additive accounts for 20% of the total weight of the mixed materials.
And S2, mixing the additive and the sample of the incineration fly ash, and granulating to obtain a mixed material.
And S3, drying the mixed material for granulation, wherein the drying is carried out in a drying mode, the drying temperature is 70 ℃, and illustratively, the water content of the dried mixed material is controlled not to exceed 10%.
And S4, putting the dried mixed material into a plasma melting furnace for melting treatment, wherein the melting time is 1 hour, and the melting temperature is 1250 ℃.
And S5, cooling after complete melting to obtain the glassy state slag. Illustratively, the cooling method is water cooling, and the heavy metal leaching rate in the vitreous body is obtained by measurement after obtaining the glassy slag.
Comparative example No. two
An additive for the fly ash generated by burning molten garbage is prepared from (by weight parts) SiO 30 2 8 parts of H 3 BO 3
A method for melting waste incineration fly ash comprises the following steps:
s1, providing an additive for fused waste incineration fly ash and a sample of incineration fly ash, wherein when the additive and materials are mixed, the additive accounts for 20% of the total weight of the mixed materials.
And S2, mixing the additive and the incineration fly ash sample, and granulating to obtain a mixed material.
And S3, drying the mixed material for granulation, wherein the drying is carried out in a drying mode, the drying temperature is 70 ℃, and illustratively, the water content of the dried mixed material is controlled not to exceed 10%.
And S4, putting the dried mixed material into a plasma melting furnace for melting treatment, wherein the melting time is 1 hour, and the melting temperature is 1300 ℃.
And S5, cooling after complete melting to obtain the glassy state slag. Illustratively, the cooling method is water cooling, and the heavy metal leaching rate in the vitreous body is obtained by measurement after obtaining the glassy slag.
Comparative example No. three
An additive for fused waste incineration fly ash comprises 20 parts by weight of SiO 2 10 parts of H 3 BO 3
A method for melting waste incineration fly ash comprises the following steps:
s1, providing an additive for fused waste incineration fly ash and a sample of incineration fly ash, wherein when the additive and materials are mixed, the additive accounts for 30% of the total weight of the mixed materials.
And S2, mixing the additive and the incineration fly ash sample, and granulating to obtain a mixed material.
And S3, drying the mixed material granulation, wherein the drying is adopted in a drying way, the drying temperature is 70 ℃, and exemplarily, the water content of the dried mixed material is controlled not to exceed 10%.
And S4, putting the dried mixed material into a plasma melting furnace for melting treatment, wherein the melting time is 1 hour, and the melting temperature is 1200 ℃.
And S5, cooling after complete melting to obtain the glassy state slag. Illustratively, the cooling method is water cooling, and the heavy metal leaching rate in the vitreous body is obtained by measurement after obtaining the glassy slag.
Wherein, the heavy metal leaching detection of the slag of the examples 1 to 3 and the comparative examples 1 to 3 is carried out according to GB5085.3-2007 standard for identifying dangerous waste and GB16889-2008 standard for controlling pollution of domestic garbage landfill, and the slag is determined to reach the harmless standard.
From examples 1 to 3, it is understood that the addition of the incineration fly ash melting treatment additive contributes to the lowering of the melting temperature, and the vitrification temperature can be lowered with the increase of the amount of the incineration fly ash vitrification additive added, and the requirement of making the incineration fly ash harmless can be satisfied even when the temperature is lowered to 950 ℃. And, with Bi in the additive 2 O 3
As can be seen from comparative examples 1 to 3 and comparative examples 1 to 3, bi 2 O 3 Can replace H 3 BO 3 The function in the additive and can further reduce the melting temperature. With Bi 2 O 3 The addition amount of the fly ash is increased, the melting treatment temperature required by the recovery of the fly ash can be reduced to 950 ℃, the energy consumption in the melting process is effectively reduced, and the molten vitreous body can also meet the leaching standard of heavy metals.
SiO in the additive is melted after mixing the additive and fly ash 2 And the heavy metal is fused with the waste incineration fly ash to form a Si-O network structure, and the heavy metal is fixed in the network structure, so that the leaching rate of the heavy metal in the vitreous body is reduced. H 3 BO 3 B is generated in the melting process 2 O 3 ,B 2 O 3 Is a better network former, can obviously reduce the melting point of melting, and leads the fly ash to be more easily stabilized. Bi 2 O 3 Also a network former which can replace B 2 O 3 With Bi in the course of melting of the glass 2 O 3 With the increasing content, the B-O structure is gradually replaced by the Bi-O structure, so that the melting temperature of the glass body is further lowered.
In the absence of additive addition, the temperature needs to be raised to 1500 degrees celsius in order to melt and solidify the fly ash. In the related art, the additive comprises B 2 O 3 ,CaO,SiO 2 ,Al 2 O 3 These components are used. Compared with the related art, the invention introduces Bi 2 O 3 Provides a new additive formula for melting incineration fly ash, and SiO in the additive 2 ,H 3 BO 3 And Bi 2 O 3 Contributes to the formation of a glassy network structure of fly ash, in which Bi is present 2 O 3 The melting solidification temperature of the fly ash can be remarkably reduced.
Although the example embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the above-described example embodiments are merely illustrative and are not intended to limit the scope of the present application thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present application. All such changes and modifications are intended to be included within the scope of the present application as claimed in the appended claims.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another device, or some features may be omitted, or not executed.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the description of exemplary embodiments of the present application, various features of the present application are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the application and aiding in the understanding of one or more of the various inventive aspects. However, the method of the present application should not be construed to reflect the intent: this application is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this invention pertains. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this application.
It will be understood by those skilled in the art that all of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where such features are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
It should be noted that the above-mentioned embodiments illustrate rather than limit the application, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The application may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

Claims (10)

1. An additive for fused waste incineration fly ash, which is characterized in that the additiveThe additive comprises 10-40 parts of SiO by weight 2 0-10 parts of H 3 BO 3 And 1-10 parts of Bi 2 O 3
2. Additive according to claim 1, wherein said additive represents between 10% and 40% of the total weight of the mix.
3. An additive according to claim 2, wherein the additive is present in a proportion of from 20% to 30% by weight of the total composition.
4. Additive according to claim 1, wherein the SiO is 2 20 to 30 portions.
5. Additive according to claim 1, wherein said H is 3 BO 3 Is 2 to 5 portions.
6. Additive according to claim 1, wherein said Bi is 2 O 3 Is 3-8 parts.
7. A method for melting waste incineration fly ash is characterized by comprising the following steps:
providing an additive for molten waste incineration fly ash according to any one of claims 1-6;
mixing the additive and a sample of incineration fly ash and granulating to obtain a mixed material and granules;
drying the mixed material for granulation;
putting the dried mixed material into a plasma melting furnace for melting treatment;
and cooling after complete melting to obtain the glassy state slag.
8. The method of claim 7, wherein drying the compounded pellets comprises: and drying the mixed material granulation at the drying temperature of 70 ℃.
9. The method according to claim 7, wherein the melt-processed fly ash has a melting temperature of no more than 1100 degrees Celsius.
10. A method according to claim 7, characterized in that the proportion of said additives in said granulation of the mix is between 20% and 30%.
CN202211072796.2A 2022-09-02 2022-09-02 Additive for fused refuse incineration fly ash and method for fusing refuse incineration fly ash Pending CN115301681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211072796.2A CN115301681A (en) 2022-09-02 2022-09-02 Additive for fused refuse incineration fly ash and method for fusing refuse incineration fly ash

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211072796.2A CN115301681A (en) 2022-09-02 2022-09-02 Additive for fused refuse incineration fly ash and method for fusing refuse incineration fly ash

Publications (1)

Publication Number Publication Date
CN115301681A true CN115301681A (en) 2022-11-08

Family

ID=83866272

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211072796.2A Pending CN115301681A (en) 2022-09-02 2022-09-02 Additive for fused refuse incineration fly ash and method for fusing refuse incineration fly ash

Country Status (1)

Country Link
CN (1) CN115301681A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1678542A (en) * 2002-07-29 2005-10-05 伊万奈特纤维公司 Glass compositions
KR20110136758A (en) * 2011-08-01 2011-12-21 부관흥 Preparation method of melted crystals
WO2011159063A2 (en) * 2010-06-14 2011-12-22 부관흥 Method for manufacturing a crystal of melted skeletal remains
CN110028249A (en) * 2019-01-30 2019-07-19 河南光远新材料股份有限公司 A kind of dielectric glass fibre component and its manufacturing method
CN110043905A (en) * 2019-04-02 2019-07-23 中广核研究院有限公司 A kind of method that additive and vitrifying processing flying ash are used in flying ash vitrifying processing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1678542A (en) * 2002-07-29 2005-10-05 伊万奈特纤维公司 Glass compositions
WO2011159063A2 (en) * 2010-06-14 2011-12-22 부관흥 Method for manufacturing a crystal of melted skeletal remains
KR20110136758A (en) * 2011-08-01 2011-12-21 부관흥 Preparation method of melted crystals
CN110028249A (en) * 2019-01-30 2019-07-19 河南光远新材料股份有限公司 A kind of dielectric glass fibre component and its manufacturing method
CN110043905A (en) * 2019-04-02 2019-07-23 中广核研究院有限公司 A kind of method that additive and vitrifying processing flying ash are used in flying ash vitrifying processing

Similar Documents

Publication Publication Date Title
KR100496664B1 (en) Ceramic composition made from waste materials and method for manufacturing the same
EP2794506A2 (en) Aggregates
CN108298839A (en) Cement cementitious material and its method for preparing cement cementitious material using flying dust
CN110142278A (en) A kind of method of incineration of refuse flyash plasma melting
JP2002003248A (en) Method of manufacturing artificial aggregate by using municipal refuse incinerator ash
CN108275974A (en) Water-permeable brick and the method for preparing water-permeable brick using flying dust
JP3405758B2 (en) Bricks manufacturing method and brick
JP3021048B2 (en) How to neutralize waste
WO2016011668A1 (en) Method for producing ceramic tiles using coal combustion waste
CA2062637A1 (en) Method and apparatus for recovering useful products from waste streams
CN106224979A (en) A kind of method of dangerous waste incineration bottom ash recycling
CN115301681A (en) Additive for fused refuse incineration fly ash and method for fusing refuse incineration fly ash
US5672146A (en) EAF dust treatment
CN1648097B (en) Crystallized artificial marble using incineration ash and related fabrication method
CN104478220A (en) Method for preparing CMAS-system glass ceramics by using LF furnace high-alkalinity steel slag
JP3188326B2 (en) Method for recycling molten slag to high-grade resources and method for producing low-temperature ceramic sintered body
CN107252810A (en) A kind of method of heavy metal in melting and solidification incineration firing flying dust
JP2002316845A (en) Artificial aggregate
RU2294905C2 (en) Method of reusing ashes
JP7055943B2 (en) Detoxification method of coal ash
JP7176162B2 (en) Method for suppressing elution of harmful elements from coal ash
JP7055944B2 (en) Detoxification method of coal ash
JPH01224084A (en) Method for treating and utilizing waste
JPS6115759B2 (en)
CN115745648A (en) Method for preparing ceramsite by using household garbage incineration fly ash and electrolytic manganese slag and ceramsite

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination