STUDIU PRIVIND GIPSUL SINTETIC OBŢINUT PRIN DESULFURAREA UMEDĂ A GAZELOR DE ARDERE DIN TERMOCENTRALE

Synthetic gypsum CaSO4·2H2O (also called flue gas desulpurization - FGD gypsum) is a co-product resulted from the wet process of flue gas desulphurisation in thermal power plants. The gases are desulphurised with an injection of a lime or limestone suspension. The product that is initially formed by...

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Published inRevista Romana de Materiale Vol. 47; no. 3; pp. 551 - 556
Main Authors Dragomir, Ana-Maria, Lisnic, Răzvan, Prisecaru, Tudor, Prisecaru, Mălina Mihaela, Vîjan, Cristina Andreea, Năstac, Daniela Cristina
Format Journal Article
LanguageEnglish
Published Bucharest Foundation for Materials Science and Engineering - "Serban Solacolu" 01.07.2017
Subjects
Analytical chemistry
Building materials
Building materials industry
Calcium sulfate
Calcium sulfate dihydrate
Cement
Coal-fired power plants
Concrete research
Construction materials
Desulfurizing
Electric power generation
Electric power plants
Emissions
Energy consumption
Flue gas
Gases
Gypsum
Industrial plant emissions
Limestone
Manufacturing
Mechanical properties
Mineralogy
Oxidation
Particle size
Power plants
Sludge
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Summary:Synthetic gypsum CaSO4·2H2O (also called flue gas desulpurization - FGD gypsum) is a co-product resulted from the wet process of flue gas desulphurisation in thermal power plants. The gases are desulphurised with an injection of a lime or limestone suspension. The product that is initially formed by gas desulphurization is calcium sulphite. This, by forced oxidation, turns into calcium sulfate dihydrate - CaSO4·2H2O, initially in the form of a suspension. The article presents the main characteristics of synthetic gypsum obtained in the industrial environment comparative with natural gypsum. It also presents the opportunity to capitalize this co-product in the building materials industry.
ISSN:1583-3186
2457-502X