The perspectives of pulsed electric field (PEF) application for larvae biomass drying are considered. Drying process optimization was carried out using two-way analysis of variance in the range of applied specific energy input of from 0 up to 20 kJ/kg and drying temperature of from 50 up to 90°С. It was found out that application of pulsed electric field treatment allowed marked decreasing of larvae biomass drying time from 183 to 124 minutes for the samples treated with electric filed intensity of E = 2 kV/cm and specific energy of 20 kJ/kg. Based on the obtained experimental data the optimal drying and PEF treatment parameters for larvae biomass were determined for the ranges of drying temperature – 82–85℃ and specific energy input – 4.1–6.6 kJ/kg.

The prospects of pulsed electric field (PEF) application for the extraction processes of oily materials is dealt with, main quality parameters of the oil being analyzed. Evaluation of PEF treatment efficiency for extraction process of sunflower cake was carried out upon the following criteria: oil yield, index of disintegrated (destroyed) cells, diffusion coefficient. In addition the main quality parameters of extracted oil after treatment were determined by standard methods. It was found that PEF processing at the preliminary stage allowed to increase the yield of oil up to 3.5%, while the diffusion coefficient increased from D = 9.8943E-12 to 1.5504E-11 m 2 /s. The number of pre-opened cells increased by 42.9% after treatment by PEF. PEF was shown to have a slight effect on oil quality parameters (P>0.05), that is primarily due to the nature of the applied pulses and, as a consequence, to the absence of heating in the treatment zone. The results obtained can be used for upscaling technology of electro physical processing by pulsed electric field treatment for the intensification of mass transfer processes.Keywords: pulsed electric field; mass-exchange processes; extraction kinetics; diffusion coefficient; disintegration index; sunflower. ВведениеОсновным промышленным методом получения подсолнечного масла в маслоэкстракционном производстве на сегодняшний день является твердо-жидкая экстракция с применением способов противоточного погружения и многоступенчатого противоточного орошения [1]. Существует множество разнообразных методов и способов интенсификации процесса экстрагирования как на стадии подготовки материала, так и при непосредственном воздействии в самом процессе экстрагирования. К таким методам можно отнести СВЧ обработку, сверхкритическую СО2 экстракцию, обработку с использованием ультразвука и электроразрядную обработку в жидкости [2][3][4][5].