Stabilization of Zinc Peroxide in the Combined Process of Granulation and Encapsulation


A combined procedure of zinc peroxide granulation and encapsulation in one technological stage has been developed, which ensures the stabilization of ZnO2 by forming a coating on the surface of the product granules. It is shown that the use of sodium polyphosphate in a combined process of granulation and encapsulation as encapsulating agents with the concentration in the initial solution of 1% allows obtaining a capsular product, which is significantly more resistant to the action of wet carbon dioxide than a nonencapsulated analogue.

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Correspondence to P. V. Prikhodchenko.

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Original Russian Text © A.G. Medvedev, A.V. Zhubrikov, E.A. Mel’nik, A.A. Mikhaylov, N.V. Khitrov, T.A. Tripol’skaya, I.V. Shabalova, V.M. Novotortsev, P.V. Prikhodchenko, 2017, published in Khimicheskaya Tekhnologiya, 2017, Vol. 18, No. 4, pp. 151–156.

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Medvedev, A.G., Zhubrikov, A.V., Mel’nik, E.A. et al. Stabilization of Zinc Peroxide in the Combined Process of Granulation and Encapsulation. Theor Found Chem Eng 52, 628–633 (2018).

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  • granulation
  • encapsulation
  • zinc peroxide
  • stabilization
  • sodium polyphosphate