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steel slag new heat and energy storage material
Experimental validation of steel slag as thermal energy storage
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
Thermophysical characterization of a by-product from the steel
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.
Thermo-mechanical stability of concrete containing steel slag as
The TES is based on a novel, modular storage system design, a new solid-state concrete-like storage medium, denoted HEATCRETE® vp1, - and has cast-in steel pipe heat exchangers.
Exploration of steel slag for thermal energy storage and
Steel slag is a promising heat storage material which remains stable until 1200 C and have good thermal cyclic stability. • Thermal performance of steel slag as
Journal of Energy Storage
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
Energies | Free Full-Text | New Advances in Materials,
The modified steel slag exhibited excellent thermal cycle stability, with a thermal energy storage density of 997.0 kJ·kg −1 (400–900 °C), representing a 25.3% increase over the original steel slag.
Assessing the use of copper slags as thermal energy storage material
A packed-bed thermal storage system consists of using solids as a heat storage medium and a heat transfer fluid (HTF) in direct contact with solids to convey heat [18] g. 1 shows a generic scheme for a central receiver plant coupled to a packed-bed storage where the solar radiation is absorbed in the receiver of the solar tower, and the
Energies | Free Full-Text | New Advances in Materials, Applications,
The modified steel slag exhibited excellent thermal cycle stability, with a thermal energy storage density of 997.0 kJ·kg −1 (400–900 C), representing a 25.3%
Preparation and performance characterization of steel slag-based
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 composite heat storage material.
Thermo-mechanical stability of concrete containing steel slag as
Concrete with steel slag revealed promising specific heat capacity. such as high freezing points high corrosivity, therefore, new storage systems and materials need to be developed. Valorisation of the electric arc furnace slag and its characterization was already studied to be used as thermal energy storage material (Ortega-Fernández
Parametric and Thermal Management Optimization of a Steel Slag
A thermal energy storage system based on a dual-media packed bed is proposed as low-cost and suitable technology, using a by-product produced in the same plant, the steel slag, as filler material
Synthesis and characterization of form-stable carbonate/steel slag
1. Introduction. The biggest obstacle to large-scale utilization of renewable energy and industrial waste heat is discontinuity and instability [1], [2].As an important energy storage technology, the application of heat storage can effectively solve these problems and realize stable and continuous output of solar energy and industrial waste
Experimental validation of steel slag as thermal energy storage
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 available at CIC Energigune with a double objective: the validation of the steel slag as low-cost and high-performing filler material on one hand, and to investigate the performance
Experimental validation of steel slag as thermal energy storage
Experimental Testing Of a 400 KWh Steel Slag-Based Thermal Energy Storage Prototype for Industrial Waste Heat Recovery Applications Daniel Bielsa Peru Arribalzaga Iñigo Ortega-Fernández Erika Garitaonandia
Slag as an inventory material for heat storage in a concentrated
The heat storage inventory used is a significant cost factor for this technology. The use of slag from steel production could significantly improve the competitiveness of this technology. The ReSlag project deals with open questions on the suitability of electric arc furnace slag. This paper presents the final experimental
Modification of steel slag to prepare chlorides based composite
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 variety of applications, such as solar energy storage, power peak shaving, and
Exploration of steel slag for thermal energy storage and
Steel slag is a promising heat storage material which remains stable until 1200 °C and have good thermal cyclic stability. • Thermal performance of steel slag as sensible heat storage material is further enhanced by Na 2 CO 3 activation.. The obtained modified material has the heat storage capacity increased 25.3% and heat conductivity
Environmentally responsible steel-slag-based solid particles for
The utilization of solid waste steel slag as the main ingredient contributes to the cost reduction of heat storage ceramics. To quantify the raw material cost advantage of steel slag-based ceramics over the most widely used SiC and Al 2 O 3 ceramics, their costs are analyzed. In general, the cost of thermal storage ceramics mainly includes raw
Characterization of the Ratcheting Effect on the Filler Material of a
Thermocline thermal energy storage systems play a crucial role in enhancing energy efficiency in energy-intensive industries. Among available technologies, air-based packed bed systems are promising due to their ability to utilize cost-effective materials. Recently, one of the most intriguing filler materials under study is steel slag,
Cement based-thermal energy storage mortar including blast furnace slag
For the first time in this paper, capric acid (CA)/blast furnace slag (BFS) composite was prepared as SSPCM and then used in the creation of cement-based thermal energy storage mortar (CBTESM). The improved SSPCM was substituted with sand in different ratios (15%, 30% and 45 wt%) for production of the CBTESMs.
Steel slag-KNO3 phase change composites for thermal storage at
The steel slag-KNO 3 composites were prepared by the method of mixed sintering. As shown in Fig. 1, first, a certain amount of KNO 3 salt (purity ≥99.0%, Sinopharm Chemical Reagent Co., Ltd, Beijing, China) and steel slag powder (200–400 mesh, Hebei Jingye Steel Co., Hebei, China) were mixed and ground uniformly. Then, 5 g of mixed
Top Steelmaker Tests Thermal Energy Storage in Slag
But ceramic materials like this are good candidates for thermal storage, in slag pebbles of between 1 and 3 cm. Slag has a specific heat capacity of 810 kJ/kg·K and density of 3980 kg/m3. "We have constructed a 1MWh thermal energy storage tank in Arcelor Mittal steelworks in Sestao, in Spain, that will start its operation at the end of February.
Experimental study on storage performance of packed bed solar
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.
Thermophysical characterization of a by-product from the steel
CaO can be adopted for high temperature heat storage while phase change materials (PCM) e.g. molten salt can be utilized for middle and low temperature heat, which could be combined with the above
Valorisation of waste materials for high temperature thermal storage
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 CO and K CO) react
Modification of steel slag to prepare chlorides based composite
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 variety
Experimental study on packed-bed thermal energy storage using
In thermal energy storage (TES), energy is stored by changing the internal energy of materials by changing the temperature as in sensible heat storage [6] or the phase of a material as in latent heat storage [7]. In chemical storage, reversible endothermic chemical reactions are used to store the energy [8]. In sensible heat,
Preparation and performance characterization of steel slag-based
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
Preparation and characterization of steel slag-based low, medium,
In this study, industrial solid waste steel slag was used as supporting material for the first time, and polyethylene glycol (PEG), sodium nitrate (NaNO3), and sodium sulfate (Na2SO4) were used as
Synthesis and characterization of form-stable carbonate/steel slag
Phase change thermal energy storage (TES) is a promising technology due to the large heat capacity of phase change materials (PCM) during the phase change process and their potential thermal
Thermal properties and friction behaviors of slag as energy storage
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.
Experimental Testing Of A 400 Kwh Steel Slag-Based Thermal
In this paper, a cost-effective 400 kWh thermal energy storage prototype for waste heat recovery at high temperature is tested over different charging and discharging conditions. The technology studied is based on the use of steel slag as thermal energy storage material and air as heat transfer fluid, in a packed bed reactor of 1 m3. Since the
Development of an electric arc furnace steel slag-based ceramic
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,
Preparation and performance characterization of steel slag-based
The results indicate that the mass ratio of wet grinding steel slag powder, MgO powder and clay is 6:3:1, the composite heat storage material can have a strong compressive strength of 70.9 MPa. The thermal conductivity of the heat storage material is 0.98 W/m⋅K and can reach 1.27 J/g⋅K at 720 ℃, which has good thermal conductivity and
a Steel Slag-Based Thermal Energy Storage
most intriguing filler materials under study is steel slag, a byproduct of the steel industry. Steel slag offers affordability, ample availability without conflicting usage,
Preparation and characterization of novel low-cost sensible heat
Heat storage temperature, heat storage density, heat storage stability and the cost of heat storage are the breakthroughs for further development of heat
Preparation and characterization of steel slag-based low, medium,
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
Novel low-cost steel slag porous ceramic-based composite phase
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
Exploration of steel slag for thermal energy storage and
Steel slag as the raw materials for sensible heat storage material can lower the production cost of solar power generation and waste heat recovery, and realize the
Synthesis and characterization of form-stable carbonate/steel slag
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
New Thermal Energy Storage Materials From Industrial Wastes:
New Thermal Energy Storage Materials From Industrial Wastes: Compatibility of Steel Slag With the Most Common Heat Transfer Fluids. Iñigo Ortega
Development of an electric arc furnace steel slag-based ceramic
@article{LopezFerber2022DevelopmentOA, title={Development of an electric arc furnace steel slag-based ceramic material for high temperature thermal energy storage applications}, author={Nicolas Lopez Ferber and Kholoud M. Al Naimi and J.-F. Hoffmann and Khalid Al-Ali and Nicolas Calvet}, journal={Journal of Energy Storage}, year={2022},
Thermochemical Energy Storage Performances of Steel Slag
Low-cost and easily scaled-up acidification is a potential synthesis approach to produce CaO-based composites derived from steel slag for thermal energy
