Abstract
The current article describes green pigments' manufacturing and application problems. Verditer green, or green pigment, is a group or chemical compounds used in various branches of industry, especially in manufacturing paints used for decoration and restoration of engineering constructions and other buildings. The properties and methods of obtaining verditer green from industrial waste are presented with the properties of viridian and cobalt green taken as the examples of green pigments. The technology of obtaining chromium oxide III, chromium hydroxide III, cobalt green including the required equipment, is given with the focus on the calcination process, the chemical reactions are performed both in description and chemical formulae, the different methods of obtaining the pigments, depending on the demanded pigment's colour, are offered, and the technical and chemical requirements for the raw material and the pigments' compound are listed.
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