alternativeАльтернативная энергетика и экология (ISJAEE)Alternative Energy and Ecology (ISJAEE)1608-8298Международный издательский дом научной периодики "Спейс10.15518/isjaee.2023.10.053-063alternative-2300Research Article5. Энергия биомассы. 5-3-0-0 Энергия биомассы и экология5. Energy of biomassМировые тенденции в производстве и использовании биотопливаGlobal trends in the production and use of biofuelsЗибаревН. В.ZibarevN. V.

Зибарев Никита Васильевич, инженер НИЛ «Промышленная экология», 

29, ул. Политехническая, Санкт-Петербург, 195251.

Zibarev Nikita Vasilevich, Engineer at the Research Laboratory of "Industrial Ecology",

29, Polytechnicheskaya str., St. Petersburg, 195251.

zibarev.nikita@gmail.comПолитаеваН. А.PolitaevaN. A.

Политаева Наталья Анатольевна, доктор технических наук, профессор, профессор Высшей школы гидротехнического и энергетического строительства,

29, ул. Политехническая, Санкт-Петербург, 195251.

Politaeva Natalya Anatolevna, Doctor of Technical Sciences, Professor at the Higher School of Hydraulic and Energy Construction,

29, Polytechnicheskaya str., St. Petersburg, 195251.

politaevana1971@gmail.comОпаринаА. М.OparinaA. M.

Опарина Анна Михайловна, лаборант, инженер НИЛ «Промышленная экология», 

29, ул. Политехническая, Санкт-Петербург, 195251.

Oparina Anna Mikhailovna, Laboratory Assistant, Engineer at the Research Laboratory of "Industrial Ecology",

29, Polytechnicheskaya str., St. Petersburg, 195251.

annaoparina93@gmail.comСанкт-Петербургский политехнический университет Петра ВеликогоРоссияPeter the Great St. Petersburg Polytechnic UniversityRussian Federation2023190320240105363Copyright © Международный издательский дом научной периодики "Спейс, 20232023Международный издательский дом научной периодики "СпейсМеждународный издательский дом научной периодики "Спейсhttps://www.isjaee.com/jour/about/submissions#copyrightNoticehttps://www.isjaee.com/jour/article/view/2300

Переэтерификация биомассы без предварительной экстракции рассматривается как процесс получения биодизеля. Реакцию переэтерификации проводили в присутствии этилового спирта и серной кислоты. Анализировали жирнокислотный состав полученного образца. Основными идентифицированными жирными кислотами оказались ненасыщенные жирные кислоты С18:2 (31,86%) С18:1 (12,79%). Основной насыщенной жирной кислотой является пальмитиновая кислота с соотношением 16:0 (12,46%). Рассчитаны характеристики биодизеля (йодное число, цетановое число, плотность, высшая теплота сгорания), согласующиеся с литературными данными.

Transesterification of biomass without pre-extraction is considered as a process for obtaining biodiesel. The transesterification reaction was carried out in the presence of ethyl alcohol and sulfuric acid. The fatty acid composition of the obtained sample was analyzed. The main identified fatty acids were unsaturated fatty acids C18:2 (31.86%) C18:1 (12.79%). The main saturated fatty acid is palmitic acid with 16:0 (12.46%). The characteristics of biodiesel (iodine number, cetane number, density, highest heat of combustion) were calculated, which are consistent with the literature data.

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The authors declare that there are no conflicts of interest present.