СРАВНИТЕЛЬНЫЙ АНАЛИЗ ВЛИЯНИЯ РАЗЛИЧНЫХ ДОБАВОК НА ЭЛЕКТРОФЛОТАЦИОННОЕ ИЗВЛЕЧЕНИЕ ЧАСТИЦ АКТИВИРОВАННОГО УГЛЯ ИЗ ВОДНЫХ РАСТВОРОВ

T. V. Davydkova; V. A. Kolesnikov; A. D. Milyutina; A. V. Kolesnikov

doi:10.25514/CHS.2019.1.15007

T. V. Davydkova Dmitry Mendeleyev University of Chemical Technology of Russia, Moscow, Russia https://orcid.org/0000-0001-6165-0793
V. A. Kolesnikov Dmitry Mendeleyev University of Chemical Technology of Russia, Moscow, Russia https://orcid.org/0000-0002-3965-4728
A. D. Milyutina Dmitry Mendeleyev University of Chemical Technology of Russia, Moscow, Russia https://orcid.org/0000-0001-6749-1770
A. V. Kolesnikov Dmitry Mendeleyev University of Chemical Technology of Russia, Moscow, Russia https://orcid.org/0000-0002-4586-6612

DOI: https://doi.org/10.25514/CHS.2019.1.15007

Keywords: activated carbons, electroflotation, water treatment, recovery degree, wastewater, surfactants, coagulants.

Abstract

The results are presented on studying electroflotation extraction of activated carbon (OU-B trademark) particles from aqueous solutions in the presence of various substances, i.e. surfactants of various nature (cationic, anionic and nonionic types), coagulants – trivalent metal ions (Al³⁺, Fe³⁺) and divalent metal ions (Co²⁺, Ni²⁺, Cu²⁺, Zn²⁺), and background electrolyte (Na₂SO₄). A comparative analysis has been carried out focusing on effect of these additives on efficiency of electroflotation extraction of OU-B particles, wherein the maximum degree of extraction reached 99%. The obtained data can contribute to the development of the process of purifying waste and wastewater of electroplating plants using electroflotation method.

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COMPARATIVE ANALYSIS OF INFLUENCE OF DIFFERENT ADDITIVES ON ELECTROFLOTATION EXTRACTION OF ACTIVATED COAL PARTICLES FROM AQUEOUS SOLUTIONS

Abstract

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