·positive impact the productive use of solar energy PUE can have both on solar companies and their customers In cooperation with the Kenya Renewable Energy Association KEREA PUE Working Group WG the SNV Netherlands Development Organisation SNV as part of EnDev Kenya commissioned this study of the Kenyan PUE
·The quality of raw materials iron ore coal and coke has a clear impact on the carbon emissions of the hot metal production in steel making So far very little work has been done to measure and quantify this impact Yet for benchmarking technology choice and general carbon optimization are important elements The total slag production of a blast furnace gives
·The Census of Industrial Production CIP and construction was carried out from July to October 2018 The census aimed at providing key statistics to be used for development of the structure of the industrial sector; rebasing of the producer price index compilation of Supply and Use tables Input Output tables Value Added and other National
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
·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
·Steel slag is a solid waste derived from the steel making process which accounts for approximately 15% of the total crude steel output Furlani et al 2010; Pang et al 2016 By 2016 approximately 832 million tons of steel were produced in China with an annual output of more than 100 million tons Hasanbeigi et al 2016 which exceeded half of the total
·However cement production is associated with high energy consumption and greenhouse gases GHG emissions Thus and overall sustainability of using fly ash and slag in industrial scale However such studies that investigated the sustainability and environmental impacts of SCBA blended cement production in detail are not yet available in
·The wear resulted from heat expansion and cold contraction of slag with storaging and releasing energy process was addressed The results revealed that slag is a good candidate to be used as heat storage material for TES system Revalorization of slag into TES material is a cost effective solution to the CSP plants and the industry waste recovery
·The steel industry has always been one of the important pillar industries Connor et al 2021; Xu et al 2022 The large output of steel means that steel slag SS a by product of industrial solid waste is constantly discharged and stored Wang et al 2021b According to statistics Chinese steel slag SS production volume is about 120 million tons in 2020 which is
·Fine slag FS is an unavoidable by product of coal gasification FS which is a simple heap of solid waste left in the open air easily causes environmental pollution and has a low resource utilization rate thereby restricting the development of energy saving coal gasification technologies The multiscale analysis of FS performed in this study indicates typical grain size
·The wear resulted from heat expansion and cold contraction of slag with storaging and releasing energy process was addressed The results revealed that slag is a good candidate to be used as heat storage material for TES system Revalorization of slag into TES material is a cost effective solution to the CSP plants and the industry waste recovery
·Steel slag is a by product generated during the steelmaking process constituting 15 to 20 % of crude steel production [3] Steel slag possesses significant sensible heat carbon sequestration potential and resource utilization capacity all of which are crucial for reducing CO 2 emissions in the steel industry Given its high heat content in the molten state
·Metallurgical slags are produced at a massive rate of over 750 Mt/year and carry a thermal energy equivalent to 40 Mt/year of coal The potential mineral and thermal energy values of slags are in the order of $22 b and $3 6 b per year Such attractive figures together with tightening legislation on disposal of slag and the carbon footprint associated with the loss
·China s crude steel output has grown rapidly since 1990 accounting for more than half of worldwide production in 2019 Iron and steel industry ISI in China s energy consumption and carbon emissions accounted for a higher proportion In the context of China s "carbon peak carbon neutrality" the ISI attaches great importance to energy conservation and
·However cement production is associated with high energy consumption and greenhouse gases GHG emissions Thus and overall sustainability of using fly ash and slag in industrial scale However such studies that investigated the sustainability and environmental impacts of SCBA blended cement production in detail are not yet available in
·Nowadays the application of biomass ash and slag to agricultural and forestry soils is generally considered as the best way [5] Since biomass utilization technologies in the Nordic region are highly developed lots of researches have been done on the utilization of ash and slag especially in the field of soil improvement including fertilizing and liming on top of
·benefit from low thermal energy tariffs as well as concessionary electricity rates to catalyze industrial and agricultural production and to make Kenya s manufacturing and agricultural sectors competitive in the regional market Growth enhancement in horticulture and aquaculture Horticulture
·This includes a trans local focus on the supply chains [23] and afterlives [24] of solar PV modules and on the varied actors [25] and evolving standards [26] that drive PV roll out including
The Kenya Tea Development Agency KTDA Kenya Tea Development Agency s predecessor the Kenya Tea Development Authority was established in 1964 by an act of parliament as a parastatal charged with the responsibility of developing and fostering the young and nascent small scale growers sector From one initial factory serving 19 000 growers
·worldwide geothermal direct use data Lund & Boyd 2015 Kenya has an energy capacity of MWt an annual energy use of GWh/yr with a capacity factor of Unfortunately there is limited utilization of the country s geothermal energy potential for direct use applications despite its huge
·Agro industry generates large amount of waste with diverse characteristics The accumulation of agricultural waste is in the excess of 2 billion tons worldwide This makes it imperative to investigate how agro industrial waste utilization can be advanced to the next phase to maximise benefits from the sector Improper management of these wastes leaves
·In cement industry copper slag can be used as raw material for cement production and mineralizer for cement clinker production Copper slag can mix and ground with gypsum and cement clinker to produce cement This process uses a large amount of copper slag about 60 70% of the total cement raw materials and energy consumption can be
·The results show that the subsystem process is the major contributor to the environmental impact of the studied industrial sulfuric acid production system with the highest values of 83 26 kg
·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
·production of steel slag lead s to a greater emission of CO 2 and the use o f steel slag aggregate can be expensive to transport These factors can crea te undesirable environm ental outcomes
