Optimization of the Composition and Amount of Nonmetallic Inclusions in a Continuously Cast Billet Based on the Deoxidation of the Melt with Aluminum and Calcium Carbide
Sign Up to like & getrecommendations! Published in 2019 at "Metallurgist"
DOI: 10.1007/s11015-019-00831-w
Abstract: The methods of optical and electron microscopies are used to estimate the degree of contamination of D carbon steel with nonmetallic inclusions in samples taken in all stages of steelmaking at the electrosmelting workshop of… read more here.
Keywords: nonmetallic inclusions; deoxidation; composition; aluminum ... See more keywords
Analysis and optimization about electromagnetics-temperature-component distribution in calcium carbide electric furnace
Sign Up to like & getrecommendations! Published in 2020 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2020.115980
Abstract: Abstract It is of particular value to optimize the electromagnetics-temperature-component multi-physical field in electric furnace in improving productivity and reducing energy consumption. In this paper, the effects of three-phase alternating current and electrode immersion ratio… read more here.
Keywords: furnace; electric furnace; calcium carbide; carbide electric ... See more keywords
Study on Preparation and Performance of Calcium Carbide Slag Foam for Coal Mine Disaster Reduction and CO2 Storage
Sign Up to like & getrecommendations! Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2020.125322
Abstract: Abstract In the process of coal mining, coal spontaneous combustion in the gob area poses serious threats to the safety of mine production. Besides, coal combustion also produces a large amount of greenhouse gas CO2,… read more here.
Keywords: coal; carbide slag; calcium carbide;
Backfilling performance of mixtures of dredged river sediment and iron tailing slag stabilized by calcium carbide slag in mine goaf
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2018.09.049
Abstract: Abstract Re-utilization of industrial wastes or by-products in construction, including dredged river sediments (DRS), iron tailing slag (ITS) and calcium carbide slag (CCS) etc., can reduce the construction cost, decrease the storage requirement and also… read more here.
Keywords: ccs; carbide slag; dredged river; tailing slag ... See more keywords
Using silica fume for improvement of fly ash/slag based geopolymer activated with calcium carbide residue and gypsum
Sign Up to like & getrecommendations! Published in 2021 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.122171
Abstract: Abstract This study attempts to explore the feasibility of using calcium carbide residue (CCR) as a solid alkaline activator to prepare geopolymer binders. A mixture of fly ash and ground granulated blast furnace slag was… read more here.
Keywords: geopolymer activated; silica fume; strength; calcium carbide ... See more keywords
The potential of calcium carbide waste and termite mound soil as materials in the production of unfired clay bricks
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2020.123693
Abstract: Abstract This study investigated the physical, mechanical, thermal and microstructural properties of calcium carbide residue (CC) with chemical admixture (CA) stabilised clay bricks from termite mound clay soil (TMC). Four different mix ratios of B… read more here.
Keywords: clay bricks; termite mound; cement; clay ... See more keywords
Direct Synthesis of Propen-2-yl Sulfones through Cascade Reactions Using Calcium Carbide as an Alkyne Source.
Sign Up to like & getrecommendations! Published in 2020 at "Organic letters"
DOI: 10.1021/acs.orglett.0c01915
Abstract: A simple method for the construction of propen-2-yl sulfones through cascade reactions of calcium carbide with arylsulfonylhydrazones using copper as a mediator is described. The salient features of this protocol are the use of readily… read more here.
Keywords: sulfones cascade; cascade reactions; calcium carbide; propen sulfones ... See more keywords
Synthesis of Exclusively 4-Substituted β-Lactams through the Kinugasa Reaction Utilizing Calcium Carbide.
Sign Up to like & getrecommendations! Published in 2019 at "Organic letters"
DOI: 10.1021/acs.orglett.9b01192
Abstract: A new Kinugasa reaction protocol has been elaborated for the one-pot synthesis of 4-substituted β-lactams utilizing calcium carbide and nitrone derivatives. Calcium carbide is thereby activated by TBAF·3H2O in the presence of CuCl/NMI. The ease… read more here.
Keywords: kinugasa reaction; carbide; substituted lactams; exclusively substituted ... See more keywords
Vinylation of Selected Terpenols with Calcium Carbide
Sign Up to like & getrecommendations! Published in 2017 at "Russian Journal of General Chemistry"
DOI: 10.1134/s1070363217120210
Abstract: A method for the synthesis of vinyl derivatives of the terpenols verbenol and fenchol by their reaction with calcium carbide was developed. It was found that addition of potassium fluoride affects the yield of nucleophilic… read more here.
Keywords: terpenols calcium; selected terpenols; chemistry; vinylation selected ... See more keywords
N-Propargylation of secondary amines directly using calcium carbide as an acetylene source
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Chemical Research"
DOI: 10.3184/174751917x14949427622099
Abstract: A one-pot N-propargylation of secondary amines has been achieved by heating the amine with formaldehyde and calcium carbide in DMSO in the presence of CuCl as a catalyst. Fifteen examples of propargylic tertiary amines, 12… read more here.
Keywords: secondary amines; propargylation secondary; calcium carbide;
Thermal Mapping of Self-Promoted Calcium Carbide Reactions for Performing Energy-Economic Processes
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Molecular Sciences"
DOI: 10.3390/ijms23052763
Abstract: The syntheses of various chemical compounds require heating. The intrinsic release of heat in exothermic processes is a valuable heat source that is not effectively used in many reactions. In this work, we assessed the… read more here.
Keywords: carbide; energy; heat; release ... See more keywords