A review of waste heat recovery technologies towards molten slag …
High-temperature waste heat from the iron and steel industry, as shown in Fig. 1, are mainly stored in products, molten slag and waste gas [2].Molten slag, as a kind of by-product during the steelmaking process, is exhausted in extremely high temperature and thus, it carries a great deal of high-grade heat accounting for 10% of waste energy …
Energy and exergy analysis of waste heat recovery from
In this study, the energy and exergy of the organic Rankine cycle driven by steel slag waste heat and solar energy were analyzed for various system configurations. In the system design, the technology of crushing waste heat pressurized hot smothering technology of steel slag rolls was considered. Subsequently, a regenerator was …
Use of waste copper slag, a sustainable material
The utilization of solid waste is the challenge for the civil and environmental engineers to utilize the waste from different industry to excel the sustainable development, and in the same time, it is matching with the cost concern of the present materials. Copper slag is a by-product obtained during smelting and refining of copper. The waste copper …
Slag Management Services | Harsco Environmental
Tailored services designed to embrace the entire slag management process, including safe and efficient slag pot carrying, cooling and maintenance.
Evaluation of the crushing characteristics of industrial waste
The slag used in the present study is air-cooled blast furnace slag. The Q-Waste and M−Waste are collected from a crusher unit located in Nagpur, Maharashtra. ... Materials such as M−Waste crush more than OB-Sand and Q-Waste. Some unforeseen and unpredictable fluctuation in the readings for Q-Waste in Fig. 13a, Fig. 13b, ...
Profitably utilise & regenerate foundry residues • STEINERT
Separation solutions for dry mechanical processing of waste incineration slag. Foundry residues. Recycle and regenerate foundry residues economically ... The coated metal parts can be recovered viably by dry mechanical methods following appropriate crushing and grain classification. ... Non-Fe product from AI salt slag 3-12mm. Input copper slag ...
Ground Slag Properties, Characterisation and Uses
the term 'slag' refers to a waste material separated from metals during the smelting or refining of an ore in a blast furnace. 'Slags' are formed during the smelting or ... Iron blast furnace slag is a by-product of the iron-making process – milling can be carried out by alternating manufacturing a process that involves the
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EVITA GROUP was created in 2009, at the same time Equatorial Guinea was experiencing its construction boom, offering the service of collection, treatment and export of toxic waste, both by land and sea, to the neighbouring Republic of Cameroon.
Copper slag | Foundry waste and metals
Crusher equipment processes the waste material which is then reused in things like construction and road substrates.
Steel Slag and Recycled Concrete Aggregates: Replacing …
Formerly considered waste material, steel slag has become a valuable by-product used as a raw material for many industries and is almost fully utilized in some countries [13]. Steel slag aggregates (SSA) can replace natural aggregates in …
REVIEW OF WASTE HEAT RECOVERY TECHNOLOGIES …
fluidized bed. The system was equipped with a slag-crushing device which could crush the slag formed by agglomeration after granulation and slags eventually discharged from the bottom completely. The device had a designed slag treatment capacity of 100 t/h and was expected to produce high temperature steam at 550 °C.
Slag Crushing Machine Price, Manufacturers & Sellers in India
To order a Slag Crushing Machine, one has to click on the product one is willing to buy. On the product page, a specific button is mentioned on the Slag Crushing Machine detail page called "Request callback". After clicking the button, a pop-up window with a form named "Ask the seller" will open. Just fill up your contact details, name, and order details …
A new technological approach to the granulation of slag …
Among the wastes of the metallurgical production of ore-reduction profile (blast furnace and electrocarbothermic production of pig iron and ferroalloys), slag melts …
What Is The Crushing Process
Crushing is the process of size reduction of ore. Size reduction process begins with usage of explosives at the area for production of ore. In later stages, the size reduction process performed with crushers before grinding in mills is called "crushing".
Gross Domestic Product for Equatorial Guinea …
Graph and download economic data for Gross Domestic Product for Equatorial Guinea (MKTGDPGQA646NWDB) from 1962 to 2023 about Equatorial Guinea and GDP.
Comprehensive Utilization Technology of Steel Slag
This part of steel slag can easily complete crushing and enter the surface crushing stage. It can be easily further ground fine. The cooling velocity in the internal layer is slower, which cause the compaction structure with less air holes, but the crystal granule is big. ... Goktas AA and others of Western Europe used waste slag to product ...
Slag Management Services | Harsco Environmental
Tailored services designed to embrace the entire slag management process, managing all elements of risk and recovery. ... Product Family. Abrasives & Roofing. Agriculture. Asphalt. Cement. Construction Aggregate. ... Screening & Crushing.
Laboratory Tests on Compaction and Crushing
DOI: 10.1061/(ASCE)MT.1943-5533.0002907 Corpus ID: 202217476; Laboratory Tests on Compaction and Crushing Behaviors of Construction Waste Slag–Clay Mixtures @article{Gu2019LaboratoryTO, title={Laboratory Tests on Compaction and Crushing Behaviors of Construction Waste Slag–Clay Mixtures}, author={Xiaoqiang Gu and Chao …
(PDF) BOF Slag: Turning Waste Into Value
The bulk of steel production is met through the Basic Oxygen Furnace (BOF) route. In 2017, 71.6% (1206.9 million metric tons) of the world steel was produced through the BOF route[1].
Laboratory Tests on Compaction and Crushing Behaviors …
Abstract: Construction waste slag–clay mixture has been widely used as filling material, which has significant social, economic, and envi-ronmental protection benefits. However, …
Steel Slag
Steel slag, a by-product of steel making, is produced during the separation of the molten steel from impurities in steel-making furnaces. The slag occurs as a molten liquid melt and is a complex solution of silicates and oxides that solidifies upon cooling. ... TRT Terms: Waste products as road materials--Handbooks, manuals, etc, Pavements ...
Steel slag in China: Treatment, recycling, and management
Steel slag is the main waste product in the steelmaking process. Because of its chemical composition and technical properties, it can be reused as raw material in steel plants and can serve as a substitute for aggregates in civil engineering. ... such as crushing and screening. Typically, slag material that is larger than 25.4 mm in diameter …
Waste slags as sustainable construction materials: a …
The current review examines the use of various slags, including cupola slag, electric arc furnace slag (EAFS), steel furnace slag (SFS), and ground granulated blast …
Steel Slag
Carbon dioxide sequestration using steel slag—modeling and experimental investigation. Smitha Gopinath, Anurag Mehra, in Carbon Dioxide Sequestration in Cementitious Construction Materials, 2018. 4.1 Introduction. Steel slag is an industrial waste that is generated during the production of steel. In the production of steel, oxides of metal …
Equatorial Guinea
In 2022, Equatorial Guinea exported a total of $8.63B, making it the number 108 exporter in the world. During the last five reported years the exports of Equatorial Guinea have changed by $3.91B from $4.72B in 2017 to $8.63B in 2022.
Law 7/2003. Regulation on Equatorial Guinea's Environment
This law provides the legal framework for environmental management in Equatorial Guinea. It promotes the sustainable use of natural resources while aiming for …
Dry slag granulation: producing valuable by-products from waste
Slag is commonly air-cooled in large pits and landfilled or used for road-based materials after crushing and screening. In some modern integrated steelworks, molten blast furnace slag is granulated using water jets — producing a glassy product that can be used as valuable feed in cement manufacturing by replacing ordinary Portland cement and ...
Contact Us | Mellott
Contact the rock crushing professionals at Mellott to help with any questions or concerns you may have. Call today at (888)801-1410.
Laboratory Tests on Compaction and Crushing Behaviors of …
AbstractConstruction waste slag–clay mixture has been widely used as filling material, which has significant social, economic, and environmental protection benefits. ... Breakage is greater in slag with uniform gradation and slag with large particles. The compaction and the crushing behavior of slag–clay mixture can be well explained by the ...
Processing and Reusing Technologies for Steelmaking Slag
Fig. 2. Steelmaking slag is subjected to the following four process-es: ① solidify and cooling of the hot molten slag, ② crushing and magnetic separation treatment of the slag to recover the metal iron, ③ crushing and classification of the slag for grain size adjustment to manufacture the slag product, and ④ aging treatment of the slag