| Conţinutul numărului revistei |
| Articolul precedent |
| Articolul urmator |
 583 0 |
 SM ISO690:2012SVYATENKO, Nataliya, PROKOFIEV, Valery, GORDINA, Natalya. Use of mechanochemical activation to control rheological properties of moulding pastes for catalysts and sorbents extrusion. In: Izvestiya Vysshikh Uchebnykh Zavedenii, Seriya Khimiya i Khimicheskaya Tekhnologiya, 2017, nr. 1(60), pp. 102-107. ISSN 0579-2991. DOI: https://doi.org/10.6060/tcct.2017601.5493 |
| EXPORT metadate: Google Scholar Crossref CERIF DataCite Dublin Core |
 Izvestiya Vysshikh Uchebnykh Zavedenii, Seriya Khimiya i Khimicheskaya Tekhnologiya |
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| Numărul 1(60) / 2017 / ISSN 0579-2991 | ||||||
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| DOI:https://doi.org/10.6060/tcct.2017601.5493 | ||||||
| Pag. 102-107 | ||||||
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| Rezumat | ||||||
The influence humidity, grinding and mechanical activation of the solid phase on the rheo-logical properties of the molding paste for extrusion of catalysts and sorbents was studied. The fol-lowing parameters of the molding pastes were investigated, namely the coagulation structure strength, the flow index, the maximum plastic viscosity, the critical shear stress, plasticity, the r (stuelaxation period), the ratio of deformations. In order to characterize the degree of mechano-chemical activation, the dimension of the coherent scattering region and the microdeformations value were used. Increasing the degree of mechanochemical activation of the solid phase was shown to allow controlling the properties of molding pastes in a more wide range. In the technolo-gy of extruded catalysts and sorbents, the mills-activators with the impact-shear loading are pro-posed to use. The mills with an average value of power density (up to 6 kW/kg) were recommended. |
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| Cuvinte-cheie Extrusion, Mechanochemical activation, rheology |
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