Slags are byproducts of the metallurgical industry It is of importance to recycle materials and recover heat from metallurgical slags to reduce the energy consumption and environmental impact of steel industry China is the largest iron and steelmaking slag producer in the world and intensive efforts have been made during last decades for slag valorisation
Despite Ethiopia s inadequate infrastructure and high tax rates agriculture contributes approximately 50 percent to the country s gross domestic product GDP If you are serious about starting a business in Ethiopia the following is a list of the top ten best opportunities for small businesses that you may look into 1 AC Installation
Klassen VK Borisov IN Klassen AN Manuylov VE 2003 Features of mineral formation in slag containing raw mixes of various basicity Bull High Educ Inst Constr Ser 7 56 58 Google Scholar Kopeliovich VM Zdorov AI Zlatkovsky AB 1998 Utilization of industrial wastes in cement production Cement 3 174
Basic oxygen steelmaking BOS slag a product of hot metal element Si Mn Fe P oxidation and flux lime dolomite dissolution plays a critical role in the production of high quality crude steel although its behavior inside the BOS vessel formation and reaction with metal droplets and gas is still not clear and its recycling has always been challenging
The concrete industry is known to have a large carbon footprint which can be decreased by reducing the amount of cement required thereby reducing the demand for virgin material production and
Mulatu et al [1] tried to review the production available resources and energy use of the Ethiopian cement industry Tesema and Worrell [28] summarized the energy saving potentials of Ethiopian
3 List of Tables and Figures List of Tables Table 1 Market Opportunities of Productive Use of Renewable Energy 7 Table 2 Ethiopia PURE related legal frameworks 14 Table 3 Policy Framework for PURE 15 Table 4 PURE Technologies Application 18 Table 5 PURE demand and key drivers 19 Table 6 Financial initiatives and actions that can help to
Indirect carbonation of steel slag is an effective method for CO2 storage reducing emissions and promoting cleaner production in the steel industry However challenges remain such as low Ca2 leaching rates and slag management complexities arising from variations in mineral compositions To address this a high temperature modification process is proposed to
At present large amount of carbide slag is consumed in the production of cement Outline of Research on Carbide Slag at Home and Abroad Internationally the manufacturers of PVC focus on ethylene process relying on the petroleum chemical industry The carbide slag comes from some other acetylene demand fields with small productions
Ferrochrome production results in substantial amounts of slag production with literature rating slag to alloy ratios from to The ratio stipulates that for every ton of ferrochrome alloy
Ethiopia has evidenced an average annual economic growth of % for ten consecutive years from 2005/06 to 2015/16 Its growth rate was almost double compared to the regional average growth of % [] In the Growth and Transformation Plan II GTP II by 2025 Ethiopia has planned to reach the economy of a low middle income country [] The country has
Critical review of applications of iron and steel slags for Carbon dioxide CO 2 is considered the most common and abundant GHG in the atmosphere that is generated as a result of various natural and industrial processes Figs 1 2 Power plants and manufacturing plants are the major sources with steel industry accounting for 3 4% of the global GHG emissions Yu and Wang
In recent years an enormous amount of sludge is generated every day from zero liquid discharge treatment plant due to rapid expansion of industrial parks in Ethiopia About 30 000 tons of partially dried sludge discharged to the environmental without proper waste management from all industrial parks Thus posing serious environmental problems One of the most plausible
food security Hussien 2010; Hussien et al 2011 Fish is a crucial source of high value protein for the livelihoods of people in the world
steel industry slag needs to be handled carefully regarding the fact that it has the 2013 2014 and by the year 2017 cement production can be expected 400 MT while for making one tonne of
China is the largest producer and consumer of calcium carbide in the world The calcium carbide industry is an indispensable industry to support the basic life of people The huge production capacity of calcium carbide is accompanied by a large number of solid waste carbide slag Due to the immature treatment technology of carbide slag a large number of carbide slag are stacked
well as the draft country economic energy sector and regulatory context was ably developed by Mr Getahun Moges Kifle Director General of the Ethiopian Energy Authority The regulatory analysis was based on a large national regulatory and policy database which was validated by energy experts
Construction industries consume a large part of the natural resources in the production of concrete Utilization of the waste in concrete has gained interest due to the development in the construction structure and depletion of natural resources This article reviews the utilization of dolomite industrial waste in sustainable concrete production Dolomite
granulated slag KIC Metaliks reported production of 19 400 tonnes of granulated slag Sky Alloys & Power Pvt Ltd reported production of 12 471 tonnes of MS Slag Tata Steel reported production of 3 563 651 tonnes of BF Slag The information regarding plant wise capacity of iron and steel slag in the country is given in Table 1
Mineral process wastes such as metallurgical slags nowadays are of significant metals and materials resources in the circular economy The usability of iron making slag is well established; however steel slag still needs to be utilized due to various physicochemical constraints In this context we have reviewed the global steel slag
Copper is extensively utilized across various fields in current society due to its exceptional characteristics [] and has become an indispensable primary material in modern industry [] Copper produced by pyrometallurgical processes accounts for approximately four fifths of the total copper content [] Generally for every 1 ton of refined copper produced 2 3 tons of copper slag will
Assessing the performance of industrial parks IPs in Ethiopia The case of Bole Lemi Eastern Industry Zone and Hawassa I ndus trial Parks Social Sciences and Education Research Review 6 1
In recent years an enormous amount of sludge is generated every day from zero liquid discharge treatment plant due to rapid expansion of industrial parks in Ethiopia About 30 000 tons of partially dried sludge discharged to the environmental without proper waste management from all industrial parks Thus posing serious environmental problems One of the most plausible
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