Upcycling of waste rubber using pelletized artificial …
Artificial aggregate technology is a newly emerging way for upcycling industrial/agricultural/urban wastes into value-added commercial aggregate products through proper production methods (Ren et al., 2021; Liu et al., 2024; Qian et al., 2023; Xu et al., 2021a).
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Production of Lightweight Aggregates by Means of Cold …
In this context, the final goal of this study is the production of lightweight artificial aggregates through the recycling of industrial solid waste, such as fly ash, blast furnace slag, and marble sludge. The results show that the aggregates produced can be classified as lightweight aggregates and are suitable for road paving.
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Recycling of MSWI fly ash by means of cementitious double …
In our study, in addition to traditional single step pelletization, a second pelletization step has been carried out to have final products with improved properties in view of reuse for artificial aggregate production. In the one-step pelletization the waste is incorporated within the binding matrix in a measure ranging from 50 to 70%.
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Production of artificial aggregates from steel-making slag: …
Apart from the direct application, artificial SS aggregates can be manufactured using SS powder with a wet granulation technique (Jiang and Ling, 2020; Li et al., 2021). It has been proved the accelerated carbonation can effectively alter the microstructure of the artificial aggregate and increase the crushing strength to 5.24 MPa.
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Recycling of MSWI fly ash by means of cementitious
The raw materials used for the production of artificial aggregates in other studies include incineration sewage sludge ash (Tang et al., 2020b), fly ash (Gesoglu et al., 2012(Gesoglu et al ...
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Artificial lightweight aggregate made from alternative and …
The production process for artificial aggregate consists of five stages. In the first stage, the raw materials are dried. Drying is very important so that the resulting material is homogeneous and ...
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Production of Artificial Aggregates Using Industrial By …
This experimental cum research exploration is focused on the production of artificial aggregates with an adoption of pelletization technique. The influential factors for ascertaining the ...
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The production of artificial aggregates with flue gas …
The results show that under the optimized conditions (6 % CaO, 2 % Na 2 SO 4, 3 days of AC, and 12 h of CC), the FGDA can be used to produce the flue gas desulfurization …
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Artificial Aggregate
Slag, generally classed as a synthetic aggregate (also called artificial aggregate), is produced by altering both physical and chemical properties of a parent material, which may be produced …
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Properties of lightweight concrete utilizing waste …
Lightweight aggregates can be used in a variety of production procedures to create these concretes. A number of factors, like the method of manufacturing, the binder used, the mass ratio of cement to water, the porous ... Properties of lightweight concrete utilizing waste materials and artificial aggregates: A review Available at 16 ...
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Development of artificial one-part geopolymer lightweight aggregates by
Crushed natural rocks or stones are generally used as coarse aggregates for concrete production. According to different local geological conditions, various types of natural rocks (e.g., limestone (Nguyen and Castel, 2020), basalt (Shahrour and Allouzi, 2020), and gravel (Delsaute and Staquet, 2019)) have been used in the concrete industry.However, with …
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JPH11130492A
PROBLEM TO BE SOLVED: To provide the subject production method which satisfies such a requirement that the amount of chromium eluted from the produced artificial aggregate meets the environmental quality standard at the time of producing artificial aggregate from general waste incineration fly ash as a raw material by using a rotary kiln or the like.
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Bloating Zone of Artificial Lightweight Aggregates in …
[48] In general, the production of artificial lightweight aggregates is carried out in the range of 1000~1200℃ [49], [50]. Because the whiteware composition has a lower flux content than Riley's bloating area, it is natural to have a higher sintering temperature. ... For manufacturing artificial lightweight aggregates, we confirmed that clay ...
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A novel use of incineration bottom ash for H2 aeration in the
Lightweight artificial aggregates (LWAs) are defined as granular and porous materials with a bulk density of less than 1200 kg/m 3 or a particle density of less than 2000 kg/m 3 (UNE-EN-13055-1, 2003).It is generally produced by sintering clay, shale and slate or solid wastes, such as sewage sludge, fly ash, etc., at high temperatures over 1000 °C (Chiou et al., …
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Synthesis of artificial aggregates and their impact on …
The production of artificial aggregates from the same source of material and granulator type is governed by (i) the angle of the granulator, (ii) the speed of the granulator, (iii) the amount of added admixtures, (iv) the duration of granulation, and (v) the quantity of catalyst and binder . The formation of pellets usually occurs between 10 ...
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Production of Artificial Aggregate Using MSWI …
The research on the production of artificial aggrega[9 te using waste powders through cold bonding technique proposes a positive view on the investigation of recycling the ... artificial aggregate can be controlled by changing the additionof the raw materials, spraying of water and running duration. A relatively higher initial water content ...
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Artificial Aggregates
In 2010, a second company, O.C.O. Technologies (formerly Carbon8 Aggregates) was formed by the directors of Carbon8 Systems to develop the industrial-scale application of ACT in the UK for the commercial production of artificial aggregates.
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Towards sustainable artificial aggregate production using …
Production of artificial aggregates from steel-making slag: influences of accelerated carbonation during granulation and/or post-curing. J. CO2 Util. (2020) M. Shi et al. Turning concrete waste powder into carbonated artificial aggregates. Construct. Build. Mater. (2019) L. …
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JP2000281405A
PROBLEM TO BE SOLVED: To provide a method for producing an artificial lightweight aggregate whose specific gravity and uniaxial compression breakage load can easily be controlled. SOLUTION: This method for producing an artificial aggregate comprises mixing and crushing coal ash with a calcareous raw material, such as quick lime, slaked lime or a cement, …
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Production of Cold-Bonding Pelletized Artificial Expired …
Expired cement (EC) with fly ash can be recycled in artificial lightweight aggregates (ECFLA) manufacturing to manage industrial waste by mixing with fly ash through a cold bonding process, supplying a sustainable material and contributing to circular economy strategies to produce structural lightweight concrete. Four series of (ECFLA) were divided …
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Development of lightweight and low-crystalline artificial aggregate
This study developed artificial lightweight aggregates (CNF aggregates) using a Ca(OH) 2 –Na 2 CO 3-activated fly ash (CNF) binder system and boron compounds (H 3 BO 3 and Na 2 B 4 O 7) for thermal neutron shielding through cold-bonding pelletization.The study demonstrated that the CNF aggregates having 5 wt% H 3 BO 3 and Na 2 B 4 O 7 were …
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Feasibility study of utilizing Autoclaved Aerated Concrete …
This paper assesses the feasibility of using Autoclaved Aerated Concrete Powder (AACP) waste as a raw material for the production of artificial aggregate and investigate its physico-mechanical properties. The investigation incorporates the comparison of cement-based binder with high-volume fly ash (HVFA) binder with different replacement levels ...
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Production, properties and life cycle assessment of artificial
Currently, the practical methods for artificial aggregate production are mainly divided into sintering and cold bonding. ... and low cost. Besides, the method is easy to scale up in factory. The prepared artificial aggregates can replace common natural aggregates to produce low-carbon cement and concrete productions, such as blocks, wall panels ...
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Production and Utilisation of Artificial Coarse Aggregate
This present work provides a study of several successful approaches in producing artificial aggregates using a pelletiser machine and the parameters affecting efficiency.
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Artificial Lightweight Aggregates Made from Pozzolanic …
The factory that manufactured LECA has three lightweight aggregate production lines with a total capacity of 750,000 cubic meters per year . ... The artificial aggregate that was made up of fly ash by using the cold bonding method had a specific gravity of 1.63 as compared to normal coarse aggregate at 2.71 .
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ARTIFICIAL LIGHTWEIGHT AGGREGATE PRODUCTION …
7thInternational Conference on Civil Engineering for Sustainable Development (ICCESD2024), Bangladesh ARTIFICIAL LIGHTWEIGHT AGGREGATE PRODUCTION FROM RICE HUSK AND RICE HUSK ASH Saifur Rahman Ruman*1, Abu Zakir Morshed2 and Abhishek Sarkar3 1 GraduateStudent, Department of Civil Engineering, Khulna University of Engineering & …
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(PDF) Production and Utilisation of Artificial …
This present work provides a study of several successful approaches in producing artificial aggregates using a pelletiser machine and the parameters affecting efficiency.
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A comparative study of wet-mix vs. dry-mix to prepare …
It is good to pinpoint that the use of cubic molds in the dry-mix method is intended to mimic the actual production method of artificial aggregates at Fukushima Ecocrete Project (Japan). This alignment with real-world practices enhances the relevance and applicability of our findings to industrial processes. Download: Download high-res image ...
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Production of Artificial Aggregates and Their Impact on …
In order to mitigate the destruction of land topography and the concerns with natural aggregate shortage, the production of artificial aggregates has progressively been a popular topic in recent years with the advantages of utilizing industrial waste and by-products. A study used the maximum quantity of fly ash and minimal cement to produce ...
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Producing of alkali-activated artificial aggregates by …
In the construction sector, the material supply chain of aggregates is frequently disturbed due to seasonal unavailability, quarrying issues, and environmental norms. The …
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