Fly ashes from municipal solid waste incineration contain significant amounts of (technology critical) elements. Processes to recover Cu or Zn are already in practice, but it still remains difficult to evaluate the full secondary resource potential of …
The annual output of MSWIFA is increasing year by year. Table 1 shows the annual output of MSW in China between 2011 and 2020 and the percentage of MSW that is incinerated. The popularity of MSWI is the root cause of the increase in MSWIFA production (Xie et al., 2020).The annual production of MSWIFA in China has reached 6–7 million …
This paper compares the stabilization performances of three dithiocarbamate and three phosphate chemical stabilizing agents, selects the best agents from each group, combines them as a mixed heavy metal stabilizer for municipal solid-waste incineration (MSWI) fly ash, and investigates the effectiveness of the mixed chelator in stabilizing …
This article attempts to highlight the management of fly ash to make use of this solid waste, in order to save our environment. Fly ash production (million tonnes/year) in different...
Synergetic reduction of pollution and carbon is a key strategy for the fundamental improvement of ecological and environmental quality and carbon neutrality.Solid waste resource utilization can reduce the secondary pollution caused by conventional solid waste disposal and presents evident environmental potential. Based …
China is the largest coal consumer around the world, and coal accounts for more than 60% of the country's energy mix (Peng et al. 2018; Wang et al. 2019).Coal fly ash (CFA), a solid waste produced by coal-fired thermal power plants during the combustion of pulverized coal, is currently one of the largest solid wastes in China (Yao …
A utilization network optimization model toward sustainable municipal solid waste incineration fly-ash (IFA) management is first established with the integration of hybrid life cycle assessment (HLCA) and multiobjective optimization (MOO), taking Shanghai as a case. For technology selection, we focus on two emerging nonthermally …
The special waste regulations apply only to "utility" ash, and do not apply to coal ash from industrial boilers, which is a solid waste. Boiler ash that is not utility ash would be subject to the same requirement described above for beneficial reuse of solid waste.
The use of fly ash for the preparation of cement, fly ash bricks, and concrete all three resource utilization pathways have carbon emission reduction benefits. The use of fly ash replaces part of the primary resources and reduces the energy consumption for its mining and production. Thus, an indirect carbon emission reduction …
Thus, the government can introduce incentive policies, such as freight subsidies, opening special trains for fly-ash transportation, and planning waterway transportation, to promote fly-ash utilization across regions that are struggling to …
Fly ash can replace part of cement as a relatively cheap cement admixture, thereby reducing the cost of building materials. During use, fly ash can also reduce the slurrying time and cement content of concrete, and improve the construction speed and quality of concrete engineering. 3.Improve the environment.
Fly ash has proven to offer a wide range of benefits when used as a LWA, to the extent that it has become a key material in the construction industry; the use of fly ash as a LWA can provide economic benefits such as …
DOI: 10.1016/J.JCLEPRO.2017.01.147 Corpus ID: 157146666; Use of municipal solid waste incinerator (MSWI) bottom ash in high calcium fly ash geopolymer matrix @article{Wongsa2017UseOM, title={Use of municipal solid waste incinerator (MSWI) bottom ash in high calcium fly ash geopolymer matrix}, author={Ampol Wongsa and …
Fly ash (FA)-a coal combustion residue of thermal power plants has been regarded as a problematic solid waste all over the world. India has some of the largest reserves of coal in the world. Indian coal has high ash content and low calorific value. Nearly 73% of the country's total installed power generation capacity is thermal of which …
1. Introduction. The fly ash (FA) generated as a result of the rapid industrialization and urbanization around the world is a serious threat to human health and the environment (Gan et al., 2021).In particular, many countries are promoting the policy of replacing landfills with incineration, resulting in increased generation and stockpiling of …
Using solid waste to treat wastewater: Preparation of flowerlike calcium silicate hydrate from coal fly ash for cadmium removal. ... Heavy metal removal from aqueous solutions by calcium silicate powder from waste coal fly-ash. J. Clean. Prod., 182 (2018), pp. 776-782. View PDF View article View in Scopus Google Scholar
Composition of solid waste 6. Waste collection - I 7. Waste collection – Storage containers and collection vehicles 8. Waste collection – Collection routing and crew ... NGT in a case has ordered dtd 20.08.2015 allowed the use of fly ash in low lying areas, mine filling, road embankment etc as per provisions of the MoEF 1999 & 2009 ...
Slag and fly ash production: The amount of fly ash produced is small. The waste is burned completely, and the slag's loss of ignition is very low. Fly ash production is 3–4 times of that of grate incinerators. Waste is not completely combusted, and the slag's loss of ignition is relatively high (1–2%). Startup and shutdown
acterization and optimization of incinerated municipal solid waste fly ash collected from Reppie waste to energy plant and assesses its potential use as an alternative material for partial replacement of cement in concrete. Materials and Experimental Methods Materials Incinerated Municipal Solid Waste Fly Ash from a mass-world including Ethiopia.
Switzerland plays a pioneering role in sustainable waste management with a long tradition of waste incineration and the prohibition to landfill unburnt municipal solid waste since 2000. In recent years, the focus has been laid on further reduction of pollutants from incineration residues because the revised Swiss Waste Ordinance prescribes the …
1. Introduction. At present, annual production of municipal solid waste (MSW) is increasing (Liu et al., 2022a), and constant generation of MSW restricts urban development.Incineration realizes the volume reduction of MSW and is the main treatment method (Ding et al., 2021).However, fly ash is inevitably generated after the …
The section 'Conflict of Interest' has been amended: 'Jianhua Yan is the Editor-in-Chief of Waste Disposal & Sustainable Energy, Qunxing Huang is the Associate Editor of Waste Disposal & Sustainable Energy, Lei Wang is an Editorial Board Member of Waste Disposal & Sustainable Energy.'The revised 'Conflict of Interest' is as follows: …
The municipal solid waste Incineration fly ash was obtained from the baghouse filter of a grate-type incinerator at a MSWI plant in Changzhou, which processes the municipal solid waste generated by the corresponding regions in Jiangsu province, China. The MSWI fly ash sample collected was initially in a dry state.
The leaching risk of heavy metal (HM) in municipal solid waste incineration fly ash (MSWI-FA) leads to a big challenge for FA landfilling. In this work, the HM leaching patterns were identified via 6 highly available indices of FA, in which 160 stabilized FA samples were collected from 4 incineration plants in eastern China and an explainable …
The Municipal solid waste Fly Ash (MFA) is a secondary pollutant produced after burning municipal solid waste (MSW). According to statistics, when every ton of waste was incinerated, 30–50 kg of waste fly ash was produced [18] . 583 municipal waste incineration plants had been built in China by the end of 2021, with an annual …
1. Introduction. Municipal solid waste incineration (MSWI) has emerged as a prevalent method for waste-to-energy treatment and sustainable waste management, addressing the growing global challenge of garbage siege [1], [2], [3], [4].Despite its benefits in energy recovery and waste volume reduction, MSWI inevitably generates hazardous …
The feasibility of partially replacing pulverized fly ash (PFA) with municipal solid waste incineration fly ash (MSWIFA) to produce ambient-cured geopolymers was investigated. The influence of mixture design parameters on the compressive strength of geopolymer paste was studied. The investigated parameters included MSWIFA dosage, …
A huge quantity of fly ash (FA) that is being generated as a residue from the coal combustion process is nowadays considered as a challenging solid waste all around the globe. The FA production leads to various environmental problems due to the enormous area required for its proper disposal as well as heavy metal toxicity associated with it. A …
Fly ash containing high levels of alkali metals likely causes deleterious effects during municipal solid waste incineration, including fouling, slagging, corrosion, and deterioration of materials. This study aimed to understand the occurrence of alkali metals in fly ash, the attachment phenomenon of fly ash, and the corrosion mechanisms of high …
Given its large volume and concentrated generation, industrial solid waste could potentially be a key area for advancing pollution and carbon reduction. Fly ash, a typical bulk industrial solid waste, is the powder collected in the flue gas of pulverized coal furnaces in power plants.
Incineration is a commonly accepted solution throughout the world for managing the increasing production of Municipal Solid Waste (MSW). Although incineration reduces the volume of MSW and provides energy, it is not a final solution since it generates bottom and fly ashes that must subsequently be disposed of [].The fly ashes are …
Background Fly ashes from municipal solid waste incineration contain significant amounts of (technology critical) elements. Processes to recover Cu or Zn are already in practice, but it still remains difficult to evaluate the full secondary resource potential of the ashes. One reason is the absence of a worldwide comparable analytical …
