CN106673705A - Treatment technology for waste incineration fly ash and excess sludge - Google Patents

Treatment technology for waste incineration fly ash and excess sludge Download PDF

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Publication number
CN106673705A
CN106673705A CN201710075464.2A CN201710075464A CN106673705A CN 106673705 A CN106673705 A CN 106673705A CN 201710075464 A CN201710075464 A CN 201710075464A CN 106673705 A CN106673705 A CN 106673705A
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excess sludge
incineration
temperature
sintering
refuse flyash
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万玉山
顾义锋
周超
温馨
沈梦
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Changzhou University
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Changzhou University
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1328—Waste materials; Refuse; Residues without additional clay
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/135—Combustion residues, e.g. fly ash, incineration waste
    • C04B33/1355—Incineration residues
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562—Heating rate
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • 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
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a treatment technology for waste incineration fly ash and excess sludge. The technology comprises: uniformly mixing and stirring waste incineration fly ash, excess sludge, cement, kaolin and sodium tetraborate, which are uniformly ball-milled, according to a ratio of 2:2:4:1:1; adding water to stir into pasty slurry; pouring stirred foamed concrete into a mold by taking lauryl sodium sulfate as a foaming agent, maintaining for 3 to 5 days at normal temperature under the humidity of more than 80%, and then performing de-molding; drying a de-molded product at the temperature of 105+-0.5 DEG C, keeping the temperature for 20-40min in an electric furnace at the temperature of 110 DEG C, raising the temperature to 600 DEG C at a speed of 10 DEG C/min, keeping the temperature for 30-50min, raising the temperature to 1,100-1,200 DEG C at a speed of 10 DEG C/min, and then sintering for 30min; slowly cooling to the room temperature after sintering is completed, so as to prepare porous ceramics.

Description

A kind for the treatment of technology of incineration of refuse flyash and excess sludge
Technical field
The present invention relates to environmental technology field, the especially treatment technology of a kind of incineration of refuse flyash and excess sludge.
Background technology
City garbage burning flying ash refers to the residue obtained by collection in flue gas purification system and pick up the heat system, Including flue dust, the adsorbent of injection, the condensed product of flue gas and product etc..Rubbish during burning, low melting point Material volatilizees, and is trapped by flue gas purification system after cooled and solidified, and incineration of refuse flyash, waste incineration are formed together with other materials Contain substantial amounts of salinity in flying dust, and highly toxic dioxin-like compound is also generated during incineration firing.Rubbish burns Burn flying dust and danger wastes are regarded as by country, if incineration of refuse flyash cannot be processed effectively, can serious environment pollution. At present China is when incineration of refuse flyash is processed, frequently with carrying out sanitary landfills after cement solidification, but due to containing in flying dust A large amount of chlorides, cause solidified cement body long-time stability poor, and bis- Evil in flying dust are not thoroughly decomposed in cement solidification English, easily causes environmental pollution.
Simultaneously because the fast development of China's economy, quantity of wastewater effluent constantly expands, and the environmentally friendly dynamics of government is also continuous Reinforcing, the process of the excess sludge that sewage treatment plant produces increasingly manifests with disposal difficulties, has become at the whole sewage of restriction The bottleneck problem of reason industry value chain.
The content of the invention
The technical problem to be solved in the present invention is：The present invention proposes the process skill of a kind of incineration of refuse flyash and excess sludge Art, prepares novel porous ceramic body, and porous ceramicss may be used on aviation field, electronic applications, field of medical materials and biology Chemical field etc., solves the process problem of incineration of refuse flyash and excess sludge, realizes the recycling of waste.
The technical solution adopted for the present invention to solve the technical problems is：The treatment technology of the present invention is real as follows Apply：
Method one
(1) dry incineration of refuse flyash ball milling；
(2) the excess sludge ball milling after dehydration；
(3) by the incineration of refuse flyash after ball milling, excess sludge, cement, Kaolin and sodium tetraborate according to quality Than for 2:2:4:1:1 ratio mixing and stirring；
(4) mixture after stirring is added water and stirs into pasty state slip；
(5) with sodium lauryl sulphate as foaming agent, 1% of mixing weight in (3) foaming agent is put in water, so After stir, pour the solution being stirred into foaming machine, then start foaming machine foamed；
(6) foams mix for making slip made by step (4) and step (5), 2 are stirred with blender~ 5min, then pours the foam concrete being stirred in mould into, maintenance 3~5 days under room temperature of the humidity more than 80%, then The demoulding；
(7) demolded article in (6) is dried under the conditions of 105 ± 0.5 DEG C, in being put into electric furnace, is protected under the conditions of 110 DEG C 20~40min of temperature, then rises to 600 DEG C with 10 DEG C/min, is incubated 30~50min, then rises to 1100~1200 with 10 DEG C/min DEG C sintering 30min；
(8) it is slowly cooled to room temperature after the completion of sintering, makes porous ceramicss.
Method two
1. incineration of refuse flyash and excess sludge ball milling；
2. waste glass crushing pulverizing；
3. by the incineration of refuse flyash after ball milling, excess sludge, waste glass powder, aqueous 10~20% starch according to Mass ratio is 3:3:6:1 ratio mixing and stirring is into mixture；
4. add step 3. it is middle mixing weight 1% boric acid, stir；
5. add again step 3. it is middle mixing weight 1% Calcium Carbonate, be then stirred into compound；
6. the compound that 5. step makes is poured in compressing tablet groove, then setting pressure dry-pressing, and start tablet machine is carried out Tabletting, compression rate is 1kN/s, and the dwell time is 20~30min, after waiting pressure release, takes out tabletting product；
7. the tabletting product in 6. is dried under the conditions of 105 ± 0.5 DEG C, in being put into electric furnace, at 110 DEG C insulation 20~ 40min, then rises to 600 DEG C with 10 DEG C/min, is incubated 30~50min, then rises to 900~1000 DEG C of sintering with 10 DEG C/min 30min；
8. it is slowly cooled to room temperature after the completion of sintering, makes porous ceramicss.
The invention has the beneficial effects as follows be raw material using incineration of refuse flyash, excess sludge, waste glass powder, using agglomerant Skill, prepares porous ceramicss, and poisonous and harmful heavy metallic is cured in firming body in flying dust sintering process, through sintering curing Afterwards, leaching rate of heavy metals is far below national standard；In addition extremely toxic substance bioxin resolves into completely innoxious more than 900 DEG C Material, so low-temperature sintering resource is carried out to flying dust can solve harm of the flying dust to environment, can make full use of resource again, become Waste be changed into values, and this all has huge benefit to country, society and environment.
Specific embodiment
The present invention adopts sintering process using incineration of refuse flyash, excess sludge for raw material, prepares porous ceramicss, both seeks The recycling of incineration of refuse flyash, excess sludge is sought, the dirt of incineration of refuse flyash, excess sludge to environment can be also avoided Dye, preserves the ecological environment.
Embodiment 1
(1) dry incineration of refuse flyash ball milling；
(2) dehydration excess sludge ball milling；
(3) by the incineration of refuse flyash after ball milling, excess sludge, cement, Kaolin and sodium tetraborate according to quality Than for 2:2:4:1:1 ratio mixing and stirring；
(4) mixture after stirring is added water and stirs into pasty state slip；
(5) with sodium lauryl sulphate as foaming agent, 1% of mixing weight in (3) foaming agent is put in water, so After stir, pour the solution being stirred into foaming machine, then start foaming machine foamed；
(6) foams mix for making slip made by step (4) and step (5), is stirred 5min, so with blender The foam concrete being stirred is poured in mould afterwards, is then conserved 3 days under room temperature of the humidity more than 80%, the then demoulding；
(7) demolded article in (6) is dried under the conditions of 105 ± 0.5 DEG C, in being put into electric furnace, is incubated at 110 DEG C 30min, then rises to 600 DEG C with 10 DEG C/min, is incubated 50min, then rises to 1200 DEG C of sintering 30min with 10 DEG C/min；
(8) it is slowly cooled to room temperature after the completion of sintering, makes porous ceramicss.
Embodiment 2
(1) incineration of refuse flyash and excess sludge ball milling；
(2) waste glass crushing pulverizing；
(3) by the incineration of refuse flyash after ball milling, excess sludge, waste glass powder, aqueous 15% starch according to matter Amount is than being 3:3:6:1 ratio mixing and stirring；
(4) add 1% of mixing weight in (3) boric acid, stir；
(5) add 1% of mixing weight in (3) Calcium Carbonate, then stir；
(6) compound that step (5) makes is poured in compressing tablet groove, then sets pressure dry-pressing, and start tablet machine Row tabletting, compression rate is 1kN/s, and the dwell time is 30min, after waiting pressure release, takes out tabletting product；
(7) the tabletting product in (6) is dried under the conditions of 105 ± 0.5 DEG C, in being put into electric furnace, is incubated at 110 DEG C 40min, then rises to 600 DEG C with 10 DEG C/min, is incubated 50min, then rises to 1000 DEG C of sintering 30min with 10 DEG C/min；
(8) it is slowly cooled to room temperature after the completion of sintering, makes porous ceramicss.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention Property scope is not limited to the content in description, it is necessary to its technical scope is determined according to right.

Claims (1)

1. the treatment technology of a kind of incineration of refuse flyash and excess sludge, it is characterised in that：Implement in accordance with the following steps；
Method one
(1) dry incineration of refuse flyash ball milling；
(2) the excess sludge ball milling after dehydration；
(3) it is according to mass ratio by the incineration of refuse flyash after ball milling, excess sludge, cement, Kaolin and sodium tetraborate 2:2:4:1:1 ratio mixing and stirring；
(4) mixture after stirring is added water and stirs into pasty state slip；
(5) with sodium lauryl sulphate as foaming agent, 1% of mixing weight in (3) foaming agent is put in water, is then stirred Mix uniform, pour the solution being stirred into foaming machine, then start foaming machine and foamed；
(6) foams mix for making slip made by step (4) and step (5), is stirred 2~5min, so with blender The foam concrete being stirred is poured in mould afterwards, is conserved 3~5 days under room temperature of the humidity more than 80%, the then demoulding；
(7) demolded article in (6) is dried under the conditions of 105 ± 0.5 DEG C, in being put into electric furnace, under the conditions of 110 DEG C 20 is incubated ~40min, then rises to 600 DEG C with 10 DEG C/min, is incubated 30~50min, then rises to 1100~1200 DEG C of burnings with 10 DEG C/min Knot 30min；
(8) it is slowly cooled to room temperature after the completion of sintering, makes porous ceramicss；
Method two
1. incineration of refuse flyash and excess sludge ball milling；
2. waste glass crushing pulverizing；
3. by the incineration of refuse flyash after ball milling, excess sludge, waste glass powder, aqueous 10~20% starch according to quality Than for 3:3:6:1 ratio mixing and stirring is into mixture；
4. add step 3. it is middle mixing weight 1% boric acid, stir；
5. add again step 3. it is middle mixing weight 1% Calcium Carbonate, be then stirred into compound；
6. the compound that 5. step makes is poured in compressing tablet groove, then setting pressure dry-pressing, and start tablet machine carries out tabletting, Compression rate is 1kN/s, and the dwell time is 20~30min, after waiting pressure release, takes out tabletting product；
7. the tabletting product in 6. is dried under the conditions of 105 ± 0.5 DEG C, in being put into electric furnace, at 110 DEG C insulation 20~ 40min, then rises to 600 DEG C with 10 DEG C/min, is incubated 30~50min, then rises to 900~1000 DEG C of sintering with 10 DEG C/min 30min；
8. it is slowly cooled to room temperature after the completion of sintering, makes porous ceramicss.
CN201710075464.2A 2017-02-13 2017-02-13 Treatment technology for waste incineration fly ash and excess sludge Pending CN106673705A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107235709A (en) * 2017-06-21 2017-10-10 上海大学 A kind of method that incineration of refuse flyash is granulated with sludge mixing low temp
CN107434429A (en) * 2017-08-25 2017-12-05 中国科学院城市环境研究所 A kind of method and its equipment that foamed ceramics is prepared using pyrolyzing sludge residue
CN107512746A (en) * 2017-09-14 2017-12-26 清远绿由环保科技有限公司 A kind of filtering agent and its manufacture method produced with municipal sludge for handling sewage
CN108424164A (en) * 2018-04-27 2018-08-21 福州大学 A method of utilizing incineration of refuse flyash low-temperature sintering porous ceramics
CN110407556A (en) * 2019-08-05 2019-11-05 淮北市菲美得环保科技有限公司 A kind of method and its application preparing high-strength light foam ceramic tile using municipal sludge
CN110982576A (en) * 2019-11-19 2020-04-10 李洪 Fly ash treatment method of compatible RDF and intermediate product thereof
CN113880552A (en) * 2021-09-10 2022-01-04 武汉科技大学 Foamed ceramic based on waste incineration fly ash and preparation method thereof
CN115646442A (en) * 2022-10-24 2023-01-31 苏州市吴中区固体废弃物处理有限公司 Method for preparing adsorbent by using household garbage incineration fly ash and adsorbent

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1715234A (en) * 2004-06-28 2006-01-04 张维田 Treating process and system for garbage incinerated ash
CN102060426A (en) * 2010-11-16 2011-05-18 天津泰达环保有限公司 Method for preparing ceramsite by utilizing dried sludge and burnt fly ash
CN102070321A (en) * 2009-11-24 2011-05-25 广州绿由工业弃置废物回收处理有限公司 Sintered light environmentally-friendly brick produced from ceramic waste residues and silt and manufacturing method thereof
CN103145442A (en) * 2013-03-28 2013-06-12 南京工业大学 Method for preparing non-sintered ceramisites by using chemical sludge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1715234A (en) * 2004-06-28 2006-01-04 张维田 Treating process and system for garbage incinerated ash
CN102070321A (en) * 2009-11-24 2011-05-25 广州绿由工业弃置废物回收处理有限公司 Sintered light environmentally-friendly brick produced from ceramic waste residues and silt and manufacturing method thereof
CN102060426A (en) * 2010-11-16 2011-05-18 天津泰达环保有限公司 Method for preparing ceramsite by utilizing dried sludge and burnt fly ash
CN103145442A (en) * 2013-03-28 2013-06-12 南京工业大学 Method for preparing non-sintered ceramisites by using chemical sludge

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107235709A (en) * 2017-06-21 2017-10-10 上海大学 A kind of method that incineration of refuse flyash is granulated with sludge mixing low temp
CN107434429A (en) * 2017-08-25 2017-12-05 中国科学院城市环境研究所 A kind of method and its equipment that foamed ceramics is prepared using pyrolyzing sludge residue
CN107512746A (en) * 2017-09-14 2017-12-26 清远绿由环保科技有限公司 A kind of filtering agent and its manufacture method produced with municipal sludge for handling sewage
CN108424164A (en) * 2018-04-27 2018-08-21 福州大学 A method of utilizing incineration of refuse flyash low-temperature sintering porous ceramics
CN110407556A (en) * 2019-08-05 2019-11-05 淮北市菲美得环保科技有限公司 A kind of method and its application preparing high-strength light foam ceramic tile using municipal sludge
CN110982576A (en) * 2019-11-19 2020-04-10 李洪 Fly ash treatment method of compatible RDF and intermediate product thereof
CN110982576B (en) * 2019-11-19 2020-11-03 李洪 Fly ash treatment method of compatible RDF and intermediate product thereof
CN113880552A (en) * 2021-09-10 2022-01-04 武汉科技大学 Foamed ceramic based on waste incineration fly ash and preparation method thereof
CN115646442A (en) * 2022-10-24 2023-01-31 苏州市吴中区固体废弃物处理有限公司 Method for preparing adsorbent by using household garbage incineration fly ash and adsorbent

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Application publication date: 20170517