PL438338A1 - Method of preparing an additive for mortars and concretes in the form of fly ash from thermal utilization of waste materials and mortars and concretes with an additive in the form of fly ash from thermal utilization of waste materials - Google Patents
Method of preparing an additive for mortars and concretes in the form of fly ash from thermal utilization of waste materials and mortars and concretes with an additive in the form of fly ash from thermal utilization of waste materialsInfo
- Publication number
- PL438338A1 PL438338A1 PL438338A PL43833821A PL438338A1 PL 438338 A1 PL438338 A1 PL 438338A1 PL 438338 A PL438338 A PL 438338A PL 43833821 A PL43833821 A PL 43833821A PL 438338 A1 PL438338 A1 PL 438338A1
- Authority
- PL
- Poland
- Prior art keywords
- concretes
- mortars
- fly ash
- additive
- sub
- Prior art date
Links
- 239000004567 concrete Substances 0.000 title abstract 6
- 239000010881 fly ash Substances 0.000 title abstract 6
- 239000004570 mortar (masonry) Substances 0.000 title abstract 6
- 239000000654 additive Substances 0.000 title abstract 5
- 230000000996 additive effect Effects 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 3
- 239000002699 waste material Substances 0.000 title abstract 3
- 239000010802 sludge Substances 0.000 abstract 4
- 239000004568 cement Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- 238000002485 combustion reaction Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000010841 municipal wastewater Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 229910052734 helium Inorganic materials 0.000 abstract 1
- 239000001307 helium Substances 0.000 abstract 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000004065 wastewater treatment Methods 0.000 abstract 1
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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/10—Burned or pyrolised refuse
- C04B18/105—Gaseous combustion products or dusts collected from waste incineration, e.g. sludge resulting from the purification of gaseous combustion products of waste incineration
- C04B18/106—Fly ash from waste incinerators
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/30—Mixed waste; Waste of undefined composition
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Przedmiotem wynalazku jest sposób otrzymywania dodatku do zapraw i betonów w postaci popiołu lotnego z termoutylizacji materiałów odpadowych polegający na tym, że osady powstałe w procesie uzdatniania wody oraz osady powstałe z oczyszczania ścieków komunalnych miesza się w odpowiednim stosunku i przeprowadza ich homogenizację. Osuszona i odwodniona do wilgotności mniejszej niż 20%<sub>mas</sub> mieszanina osadów zostaje rozdrobniona mechanicznie do wielkości uziarnienia <10 mm i spalona w piecu fluidyzacyjnym. Materiał poddawany spalaniu może zostać korzystnie poddany fermentacji przed procesem spalania. Spalanie prowadzone jest w sposób ciągły przy utrzymywaniu stałej temperatury złoża w granicach 650°C do 1000°C. Czynnikiem fluidyzującym materiał złoża jest powietrze, które wdmuchuje się, przeciwprądowo w stosunku do wprowadzanego materiału, w ilości zapewniającej wytworzenie strefy utleniającej w całej objętości złoża. Uzyskany tym sposobem popiół lotny znajduje zastosowanie jako neutralny dla środowiska dodatek do zapraw i betonów. Przedmiotem wynalazku są także zaprawy i betony, które powstają po zastąpieniu części cementu popiołem lotnym uzyskanym poprzez współspalanie w piecu fluidalnym mieszaniny osadów z uzdatniania wody i oczyszczania ścieków komunalnych. Powstający w wyniku współspalania popiół lotny charakteryzuje się gęstością właściwą ρ<sub>hel</sub> wynoszącą 2,8 ± 0,1 g/cm<sup>3</sup> oraz wielkością uziarnienia mieszczącą się w przedziale od 1 do 500 µm. Dodatek zastępujący spoiwo cementowe z grupy CEM I, CEM II oraz CEM III wprowadza się w ilości od 5 do 15% masy cementu podczas wytwarzania betonów i zapraw.The subject of the invention is a method of obtaining an additive for mortars and concretes in the form of fly ash from thermal utilization of waste materials, consisting in the fact that the sludge formed in the water treatment process and the sludge formed in the treatment of municipal wastewater are mixed in an appropriate ratio and homogenized. The sludge mixture, dried and dehydrated to a moisture content of less than 20%<sub>mass</sub>, is mechanically broken down to a grain size of <10 mm and incinerated in a fluidized bed furnace. The material to be combusted may preferably be fermented prior to the combustion process. Combustion is carried out continuously while maintaining a constant bed temperature in the range of 650°C to 1000°C. The agent that fluidizes the bed material is air, which is blown in counter-current to the introduced material, in the amount ensuring the creation of an oxidizing zone in the entire volume of the bed. The fly ash obtained in this way is used as an environmentally neutral additive to mortars and concretes. The subject of the invention is also mortars and concretes, which are made after replacing part of the cement with fly ash obtained by co-incineration in a fluidized bed furnace of a mixture of sludge from water treatment and municipal wastewater treatment. The fly ash produced as a result of co-incineration has a specific density ρ<sub>helium</sub> of 2.8 ± 0.1 g/cm<sup>3</sup> and a particle size ranging from 1 to 500 µm . The additive replacing the cement binder from the CEM I, CEM II and CEM III groups is introduced in the amount of 5 to 15% of the cement mass during the production of concretes and mortars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL438338A PL438338A1 (en) | 2021-07-02 | 2021-07-02 | Method of preparing an additive for mortars and concretes in the form of fly ash from thermal utilization of waste materials and mortars and concretes with an additive in the form of fly ash from thermal utilization of waste materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL438338A PL438338A1 (en) | 2021-07-02 | 2021-07-02 | Method of preparing an additive for mortars and concretes in the form of fly ash from thermal utilization of waste materials and mortars and concretes with an additive in the form of fly ash from thermal utilization of waste materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL438338A1 true PL438338A1 (en) | 2023-01-09 |
Family
ID=84810913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL438338A PL438338A1 (en) | 2021-07-02 | 2021-07-02 | Method of preparing an additive for mortars and concretes in the form of fly ash from thermal utilization of waste materials and mortars and concretes with an additive in the form of fly ash from thermal utilization of waste materials |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL438338A1 (en) |
-
2021
- 2021-07-02 PL PL438338A patent/PL438338A1/en unknown
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