Engineering & Technologies, 2016, 9(5), 617-631 ~ ~ ~ УДК 669.7.018.672 Development and Experimental Research of Materials for Forming Stable Bottom and Side Ledges Gennadiy V. Arkhipov*а Evgeniy R. Shaydulina and Yuriy O. Avdeeva a , Peter V. Poliakovb «RUSAL ETC» LTD Siberian Federal University 37 Pogranichnikov, Krasnoyarsk, 660111, Russia b 79 Svobodny, Krasnoyarsk, 660041, Russia Received 07.03.2016, received in revised form 22.05.2016, accepted 14.07.2016 The main purpose of this paper is to fi nd a solution for saving energy in the cell room. <...> Another purpose of the paper is to fi nd materials suitable for stable side and bottom ledge formation, research the properties of such materials, and study their behavior in cryolite-alumina melts, including selection of the most suitable material. <...> Moreover, the paper is concerned with energy consumption reduction by forming stable side and bottom ledges. <...> Furthermore, as mentioned earlier, several materials have been selected to form stable side and bottom ledges during the post-start-up period. <...> Keywords: Electrolysis, electrolytic cell, start-up of electrolytic cell, forming stable bottom and side ledges. <...> Citation: Arkhipov G.V., Poliakov P.V., Shaydulin E.R., Avdeev Y.O. Development and experimental research of materials for forming stable bottom and side ledges, J. Sib. <...> All rights reserved * Corresponding author E-mail address: Gennadiy.Arkhipov@rusal.com , # 617 # Gennadiy V. Arkhipov, Peter V. Poliakov… Development and Experimental Research of Materials for Forming… Разработка и экспериментальные исследования материала для формирования устойчивой настыли и гарнисажа Г. <...> The limiting stage of the post-start-up period is the process of bottom and side ledge formation, which makes the cell work at a higher target voltage level to preserve its energy balance. <...> Faster bottom and side ledge formation could shorten the post-start-up period and reduce the target voltage quicker, which, in turn, could lead to a reduction in the specifi c power consumption. <...> This paper deals with the development of solutions for optimizing currently operating cells, including selection and testing of materials for forming artifi cial ledges; and investigates the behavior of these materials in cryolite-alumina melts (for the purpose of choosing the most suitable material.) This paper <...>