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Mineralogy. From the Müller (1977) study of nearly 100 European CKDs, it was found that the dusts are partic-ulate mixtures of four major components: (1) unreacted raw feed, (2) partially calcined feed and clinker dust, (3) free lime, and (4) enriched salts of alkali sulfates, halides, and other volatile compounds.
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Cement Kiln Dust Introduction Cement kiln dust (CKD) is a by-product of cement manufacturing. It is a fine pow-dery material similar in appearance to Portland cement. It is composed of micron-sized particles collected from electrostatic precipitators during the production of …
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Composition. Cement kiln dust (CKD) is a fine, powdery material, portions of which contain some reactive calcium oxide, depending on the location within the dust collection system, the type of operation, the dust collection facility, and the type of fuel used.
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Cement kiln dust is fine particles similar in appearance to Portland cement. If the clinker production takes place in a wet process, the dust is collected in the form of a suspension, if the clinker production is dry, the dust is collected in a dry form.
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This study aims to investigate the effects of cement kiln dust (CKD) on the hydration reactions and mechanical properties of cement, and to evaluate its potential for use as a supplementary cementitious material (SCM). The key variables are the CKD type and the replacement ratio.
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The objective of this paper is to provide a general overview of the research that has taken place into the CKD production, composition, and characterization and the keys to utilization of CKD in the cement and concrete industry.
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Cement kiln dust (CKD) is a by-product of the cement manufacturing process. Despite the fact that usually its composition is similar to partially calcined raw feed, the variability in raw materials, fuel, type of process, dust collection systems and product specifications influence both the physical and chemical characteristics resulting in a ...
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Cement Kiln Dust (CKD) is a hazardous by-product produced in vast amounts during Portland cement production (Yaseri et al. 2019). CKD amount is estimated to be approximately 15 to 20% relative to clinker production (Kunal and Rajor 2012 ).
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The physical and chemical characteristics of CKD may be affected by several factors; the most important are raw materials and the operation process type, the fuel used, and the dust collection system [9, 10]. CKD's typical chemical composition and physical properties are shown in Table 1 and Table 2 [10, 11, 12].
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Cement kiln dust (CKD), a byproduct of cement production, holds significant potential as a carbon sink. This review comprehensively examines the physical, chemical, and mineralogical characteristics of CKD, highlighting its suitability for carbon dioxide (CO 2 ) capture and sequestration.
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