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Steel slag (SS), accounting for about 15–20% of the total steel amount, has been produced in huge quantities worldwide (Han et al., 2015; Shi, 2004) itially, SS was treated as a waste material and disposed of as landfill, which not only took up land resources but also severely impacted the natural environment and human health due to
For recycling steel slag and carbide slag, improving the efficiency of solar energy utilization, and reducing the thermal energy storage system costs, this work innovatively proposes the mixture of steel slag and carbide slag as skeleton material and NaNO 3 as phase change material to prepare the shape-stable phase change materials
Ortega-Fernández et al. [37] reported that steel slag is a promising recycled material for packed bed TES systems while commercial aluminum oxide (high purity spherical alumina 3–9 mm) is $1900–2300/ton, making this new material, a potential candidate for high-temperature TES applications. The packed-bed filler material''s shape
In this study, the steel slag powder refined by the wet grinding technology is used as the matrix material, MgO as material additive, and the clay is used as the binder to prepare a new type of
Many restrictions exist, however, on the utilization of steel slag. When steel slag is used internally, in steel plants, the most obvious problem is that of the enrichment of P and S (Drissen et al., 2009).The Bhilai Steel Plant in India was shut down because of its high S and P content (Das et al., 2007).The amounts of free lime and free MgO are
This paper details the development process of ceramics made out of 100% electric arc furnace (EAF) steel slag, to be used as a shaped homogenous thermal energy storage (TES) media in packed-bed
Slag is one of the main waste materials of the iron and steel manufacturing. Every year about 20 × 10 6 tons of slag are generated in the U.S. and
： This paper details the development process of ceramics made out of 100% electric arc furnace (EAF) steel slag, to be used as a shaped homogenous thermal energy storage (TES) media in packed-bed thermocline systems for high-temperatures industrial waste heat recovery, concentrated solar power (CSP), and Carnot batteries applications, among others.
Experimental Studies on Thermal Performance and Thermo-Structural Stability of Steelmaking Slag as Inventory Material for Thermal Energy Storage. Jürgen
The aim of the present study is the revalorization of this steel industry by-product as a low-cost thermal energy storage material, allowing the development of a new generation of CSP plants.
In this study, a thermal energy storage material with high thermal density, wide temperature range, low cost and high thermal cycle stability, is undertaken. We have successfully solved the problem of the instability of steel slag during the forming process.
Zhang et al [23] investigated the resource utilization of solid waste in the field of phase change thermal energy storage, including organic and inorganic PCMs. Liu et al [24] prepared NaNO 3 and Na 2 SO 4 salt-based C-PCMs using steel slag as skeleton material. The results indicated that steel slag had a good chemical compatibility with the
1 · Using steel slag to prepare high-temperature (>500 °C) PCMs was an effective way to achieve its high value-added utilization as a potential heat storage medium in a
DOI: 10.1016/j.est.2022.104708 Corpus ID: 248656348; Synthesis and characterization of form-stable carbonate/steel slag composite materials for thermal energy storage @article{Wang2022SynthesisAC, title={Synthesis and characterization of form-stable carbonate/steel slag composite materials for thermal energy storage}, author={Junlei
It has excellent selective sunlight absorptance capability with an average solar energy absorptance of 93.20% and an emissivity of 80.25% at 700 °C. In addition, the steel slag-based ceramic material combines the advantages of high thermal conductivity and high specific heat, with outstanding heat transfer rate and heat storage density.
So far, the use of slag as thermal energy storage material was investigated and the experimental characterization was performed and reported by many research papers [3], [9] - [12
Request PDF | On Apr 1, 2023, Junlei Wang and others published Exploration of steel slag for thermal energy storage and enhancement by Na2CO3 modification | Find, read and cite all the research
This work creatively proposes a novel and low-cost steel slag porous ceramic (SSPC)-based NaNO 3 salt composite phase change material (PCM) using industrial solid waste steel slag as the main raw material. In this study, the foaming-gel casting process prepares SSPC with high porosity (77–83%) and mechanical strength
Since 2001, she has been a professor at the University of Science and Technology Beijing. She was an academic visitor at Aichi Institute of Technology in 2003–2004. Her research focuses on lithium/sodium ion batteries electrode material、supercapacitor、solid-state batteries and new electrochemical energy storage
Herein, a high-entropy layered oxide (HEO) is proposed as an outstanding cathode material for long-life sodium-ion batteries. Based on the self-segregation of elements from surface to bulk phase, a multi-element gradient doped high-entropy cathode material is prepared by doping steel slag with available elements (Mg,
NEW THERMAL ENERGY STORAGE MATERIALS FROM INDUSTRIAL WASTES: Overall, the high viability of steel slag in TES solutions has been certified. 2. MATERIALS AND METHODS 2.1. Materials
This paper proposes using steel slag as a sensible heat storage material and experimentally studies the sinter bed''s airflow resistance and energy storage characteristic. The main conclusions are as follows: 1. Steel slag, a by-product of the steel industry, is characterized by its low cost, high density, and high-temperature resistance.
1. Introduction. Steel slag is the main solid waste generated in the steel-making process, accounting for 15 to 20% of crude steel output [1] ina''s crude steel output in 2021 was 1.035 billion tons [2], more than half of the global crude steel output (1.9505 billion tons) [3], and the steel slag output exceeded 120 million tons contrast,
DOI: 10.1016/j.jclepro.2023.136289 Corpus ID: 256686161; Exploration of steel slag for thermal energy storage and enhancement by Na2CO3 modification @article{Wang2023ExplorationOS, title={Exploration of steel slag for thermal energy storage and enhancement by Na2CO3 modification}, author={Junlei Wang and Yun
Therefore, using steel slag as the supporting material for low, medium, and high-temperature phase change materials powerfully attracts our research group.
@article{Yang2024EnvironmentallyRS, title={Environmentally responsible steel-slag-based solid particles for highly efficient and durable solar selective absorptance and thermal storage}, author={Lili Yang and Chong Li and Yun Da and Jinrui Zhang and Gang Wang}, journal={Journal of Cleaner Production}, year={2024}, url={https://api
The objective is to develop sustainable and low-cost thermal energy storage material for industry waste heat recovery and in renewable energy applications.
Aiming to take one step forward in the state of the art of the technology, in this work, a 400 kWh t packed bed system has been tested in the Air Test Loop facility
Steel slag-based thermal energy storage ceramics. it is advised to systematically test any new source of steel slag and, if needed, adjust the shaping and firing conditions to the raw material. Experimental validation of steel slag as thermal energy storage material in a 400 kWht prototype. AIP Conf. Proc., 2126 (2019), pp. 4-5,
Phase change composites (PCCs) have broad applications in thermal energy storage systems. In this work, we fabricated a series of steel slag-KNO 3 PCCs by mixed sintering, which can be used in the medium-high temperature TES system and have the advantages of solid waste resource utilization. The composite''s properties were
It aims to study the possibility of using by-product "Electric Arc Furnace Slag" issued from Moroccan steel and iron industry as high-temperature sensible
The ambitious DOE SunShot cost target ($0.06/kWh) for concentrated solar power (CSP) requires innovative concepts in the collector, receiver, and power cycle subsystems, as well as in thermal energy storage (TES).For the TES, one innovative approach is to recycle waste from metallurgic industry, called slags, as low-cost high
In this study, industrial solid waste steel slag was used as supporting material for the first time, and polyethylene glycol (PEG), sodium nitrate (NaNO 3), and sodium sulfate (Na 2 SO 4) were used as low, medium, and high-temperature phase change materials (PCMs). A series of shape-stable composite phase change materials (C
This alternative has shown large potential in the thermal energy storage frame as demonstrated by the increasing interests shown by the international scientific and technological community [20], [21], [22]. The main goal of this work is to demonstrate the suitability of steel slag as a heat storage material in a packed bed arrangement.
This work creatively proposes a novel and low-cost steel slag porous ceramic (SSPC)-based NaNO 3 salt composite phase change material (PCM) using industrial solid waste steel slag as the main raw material. In this study, the foaming-gel casting process prepares SSPC with high porosity (77–83%) and mechanical strength
In this paper the valorisation of an industrial and cheap by-product from the steel manufacturing, Electric Arc Furnace slag, is studied as new thermal energy storage material in a packed-bed system.
It is of practical importance to develop form stable composite phase change materials (FSPCMs) for high temperature thermal energy storage.Carbonates are promising candidates as the phase change material and steel slag is a promising economical skeleton material. However, the molten carbonates (Na 2 CO 3 and K 2 CO
Thermal properties of steel slag as sensible heat storage material are examined and further enhanced by Na 2 CO 3 activation. The steel slag remains stable until 1200 °C in TG-DSC test, and the morphology kept unchanged after 200 thermal cycles
The steel slag heat storage material has the best performance when the content of pretreated steel slag is 60 wt% and the sintering temperature is 1200 °C. Its compressive strength is stabilized at about 80 MPa, thermal conductivity is 1.13 W/(m·K), and thermal density is 1222.168 J/g in the range of 50–1000 °C.
Additionally, the results suggest that the solution which uses the EAF slag as filler material is the cheapest option for the thermal energy storage of the defined air CSP plant (4.6 -5.5 €/kWh
Low-cost and easily scaled-up acidification is a potential synthesis approach to produce CaO-based composites derived from steel slag for thermal energy
Additionally, the results suggest that the solution which uses the EAF slag as filler material is the cheapest option for the thermal energy storage of the defined air CSP plant (4.6 -5.5 €/kWh
Table 1: Main specifications of the experimental facility used in this work. - "Experimental validation of steel slag as thermal energy storage material in a 400 kWht prototype" Table 1: Main specifications of the experimental facility used in this work. By clicking accept or continuing to use the site, you agree to the terms outlined in
Wear test were conducted by sliding dry pin slag (ϕ 5 × 10) against rotating disc slag (20 × 20 × 4) using a GHT-1000E high-temperature vacuum pin-on-disc rotation tribometer under vacuum (approximate 1 × 10 − 1 P a) (Fig. 2) [33].The pin and disc were both made of the same slag. A series of tests were carried out to evaluate the effect of
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