Sulfur control in ultra-low sulfur steel refined by ladle furnace-vacuum degassing
Sulfur - substance that be in the most kinds of steel. Research of influence of ladle furnace reductants in the desulfurization process. Control ultra-low sulfur steel. The chemical degassing in the ladle furnace-vacuum. Maintaining a low sulfur content.
Подобные документы
Schematisation of defects in oil pipelines. Numerical and analytical methods of calculating stress. Paris power dependence. Methods of definition of cyclic crack resistance of a pipe material. Characteristics of cyclic crack resistance of steel.
статья, добавлен 29.06.2016The research conducted in the field of adsorption-catalytic extraction of H2S from low sulfurous natural gases and conversion into elemental sulfur using the synthetic CaA zeolite and natural modified adsorber mordenite as well as the palladium catalyst.
статья, добавлен 11.07.2018The kinetic of origin and transformation of the Fe(II)–Fe(III) LDH structures on the steel electrodes surface contacting with FeSO4 and Fe2(SO4)3 dispersion medium of the air oxygen into the system was studied. X-ray diffraction method of investigation.
автореферат, добавлен 02.04.2014Determination explosion ability of fine-dispersion substances as slaked lime, standard fire extinguishing powder containing ammophos, sludge from the chemical unit of the cold rolling plant of the steel sheet containing iron oxide, dolomite dust.
статья, добавлен 11.08.2021It has been shown that well crystallized cobalt- and iron-containing spinel ferrites are formed at neutral pH value of aqueous medium. The contact of steel surface with alkaline medium results in formation of weakly crystallized iron oxyhydroxides.
статья, добавлен 04.04.2014We studied the effect of addition of urea (NH2)2C=O] capable of complex formation with chromium ion (Cr+3) with the formate on the coating layer specifications. Study the correlation ratio between chromium ion and urea content in a manner that changes pH.
статья, добавлен 04.11.2020Control of the stability of calibration characteristic Algorithm of operational control of the error of determination of ammonium ions in drinking water. Photocolorimetric determination of ammonium ion content. Precautions when performing the analysis.
реферат, добавлен 19.06.2022The technology for the synthesis of two coumarin-chalcone hybrids by means of Kleisen-Schmidt condensation between 3-acetylcoumarin with benzaldehyde and 4-chlorobenzaldehyde, respectively. Method of identification and control of a chemical process.
статья, добавлен 15.01.2021Study of the process of intramolecular cyclization products of epichlorohydrin aminolysis of secondary amines. Analysis of the energy characteristics obtained in vacuum and in acetonitrile solution with water as an "active" solvation partner of reaction.
статья, добавлен 30.10.2016Characteristics: chemical properties, compounds, spectroscopy, isotopes. History, commercial production. Applications, biological role: maintaining body fluid volume in animals, maintaining electric potential in animal tissues. Dietary uses, precautions.
реферат, добавлен 13.11.2009Study films of CdxZn1-xTe solid solution, obtained by a close-spaced vacuum sublimation technique under different temperatures of glass substrate by energy dispersive analysis of X-rays, scanning electron microscopy and X-ray diffraction methods.
статья, добавлен 30.07.2016Introduction to flow control. Multi-phase flow with emphasis on slug flow. Stabilization of flow in Oil/Gas wells and pipelines. Trends and Facts in Oil and Gas Production. Callenges for Deep Water Developments. Slug reduction/elimination techniques.
доклад, добавлен 08.01.2013- 13. Algorithm of optimal solution search for the control with model system of methanol synthesis column
The mechanism of development and implementation of the optimal synthesis search algorithm and analysis of gas costs. Features of control using the maintenance schedule. Technological process of methanol synthesis under conditions close to optimal.
статья, добавлен 14.01.2017 The chemical structure of the polymer latexes. The influence of surfactants on the drip solution. The mechanism of anionic with a negative charge in the screed, acting as air entrainment. Hydrogen bonding, water absorption and compressive strength.
статья, добавлен 22.02.2015The use of ethylene oxide (EO) as a chemical intermediate. A suggested process flow diagram Ethylene Oxide Process. Process Details: feed, effluent, recycle streams, deliverables and grading. Economic analysis the equivalent annual operating cost.
статья, добавлен 26.11.2014The use of block copolymers on the basis of oxides of ethylene and propylene as demulsifiers of oil emulsions. Determination of the dependence of their physico-chemical properties from the content oxyethylene and oxypropylene groups in the molecule.
статья, добавлен 23.02.2016Study the chemical modification polyglycidyl phenolformaldehyde oligomers by methacrylic acid using a catalyst benzyltriethylammonium chloride. The influence of time, temperature on the rate of reaction between compounds. A structuring chemical mixtures.
статья, добавлен 23.02.2016- 18. Ti-Al alloy
A new process for developing titanium aluminides using chemical vapor synthesis was investigated in a laboratory experiment. Aluminum subchloride was used as the reducing agent in the reaction with TiCl4 and the source of aluminum for Ti-Al alloy.
лабораторная работа, добавлен 01.11.2019 Study crystallographic sequence of the phase transition in zirconium dioxide at heated. The transformation of monoclinic phase in tetragonal modification. The appearance of new anion vacancies, which form at evaporation of the oxygen from the lattice.
статья, добавлен 30.07.2016Friction units for automotive and special vehicles are designed to operate under friction conditions. The development of a unified understanding of the effect of the size and chemical nature of ceramic additives on the processes occurring in a friction.
статья, добавлен 22.05.2022Study the process of liquid hydrocarbon oxidation. Chemical reaction of cyclohexane with the organic additives of different nature. Composition of products and speed of oxidation of toluene and p-xylene in the presence of binary liquid catalysts.
статья, добавлен 23.02.2016Chemical compositions of Portland cement. Possibility of using waste glass in building technology. A structure alkaline compounds. Study of fine-grinded glass. Influence additives on the induction and post-induction periods of Portland cement hardening.
статья, добавлен 23.02.2016Research kinetic characteristics of the initial stages of the processes of acid hydrolysis and condensation in the sol-gel systems tetraethoxysilane, ethanol-water by gas chromatography. Using quantum-chemical calculations hydrolysis parameters.
статья, добавлен 23.02.2016The conditions of a reaction between pyrite medium-metamorphized coal and air-steam mixture in the kinetic area. Development of experimental-statistical mathematical models. Determination of the optimal factors for the oxidative desulfurization of coal.
статья, добавлен 23.02.2016A sample of Mg10Ir19B16, prepared from the elements by high-temperature treatment in sealed Ta containers. The chemical composition, confirmed by WDXS analysis. Electronic structure calculations and chemical bonding analysis by the ELI/ED approach.
статья, добавлен 23.02.2017