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Water purification of dyes by ceramic membrane modified by pyrocarbon from carbonized polymers

  • Water Treatment and Demineralization Technology
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Abstract

Modification of membranes by pyrocarbon was carried out by carbonization of polyisocyanate, celluloacetate and Na-salt of carboxylmethyl cellulose at 750°C. The water was purified of dyes by the pressure-driven method under pressure from 0.1 to 1.1 MPa. The retention coefficient and specific capacity of modified membranes for direct scarlet vary respectively from 37 to 99.99% and from 1.8 to 36 dm3/(m2 • h). For membranes with carbonized cellulose ethers the retention rate for brilliant green vary from 19 to 78.5% and the specific capacity depending on pressure and filtration time varies from 8.1 dm3/(m2 • h) to ~ 1 m3/(m2 • h).

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Correspondence to L. V. Dubrovina.

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Original Russian Text © V.V. Goncharuk, L.V. Dubrovina, D.D. Kucheruk, A.O. Samsoni-Todorov, V.M. Ogenko, I.V. Dubrovin, 2016, published in Khimiya i Tekhnologiya Vody, 2016, Vol. 38, No. 3, pp. 291–299.

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Goncharuk, V.V., Dubrovina, L.V., Kucheruk, D.D. et al. Water purification of dyes by ceramic membrane modified by pyrocarbon from carbonized polymers. J. Water Chem. Technol. 38, 163–166 (2016). https://doi.org/10.3103/S1063455X16030073

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  • DOI: https://doi.org/10.3103/S1063455X16030073

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