РОЗРОБЛЕННЯ КОМПЛЕКСНОЇ ТЕХНОЛОГІЇ ЗАМІЩЕННЯ ВИКОПНИХ ЕНЕРГОНОСІЇВ ПОБІЧНИМИ ПРОДУКТАМИ ВИРОБНИЦТВА БІОЕТАНОЛУ

S. TSYGANKOV; T. IVANOVA; C. SPIVAK; K. LUKASHEVICH; Ya. BLUME

doi:10.15407/scine20.05.053

Authors

S. TSYGANKOV Institute of Food Biotechnology and Genomics of the National Academy of Scinces of Ukraine https://orcid.org/0000-0002-4166-4124
T. IVANOVA Institute of Food Biotechnology and Genomics of the National Academy of Scinces of Ukraine https://orcid.org/0000-0002-5219-8034
C. SPIVAK Institute of Food Biotechnology and Genomics of the National Academy of Scinces of Ukraine https://orcid.org/0000-0002-1928-2744
K. LUKASHEVICH Institute of Food Biotechnology and Genomics of the National Academy of Scinces of Ukraine https://orcid.org/0000-0002-8682-9623
Ya. BLUME Institute of Food Biotechnology and Genomics of the National Academy of Scinces of Ukraine https://orcid.org/0000-0001-7078-7548

DOI:

https://doi.org/10.15407/scine20.05.053

Keywords:

bioethanol, post-alcohol waste, waste, sugar beet vinasse, concentration, vinasse, concentrate incineration, renewable energy feedstocks

Abstract

Introduction. During the production of bioethanol, a significant amount of liquid waste, known as vinasse, is generated. Discharging vinasse leads to considerable environmental pollution and harm to living organisms. However, vinasse can be used as a fuel for industrial boilers when concentrated to 55—60% dry matter. The ash resulting from incineration is rich in minerals, particularly potassium salts, and can be utilized as fertilizer.
Problem Statement. The proposed and implemented technological solutions signifi cantly reduce energy costs for biofuel production, achieving energy efficiency levels superior to global benchmarks. These conceptual solutions enable biofuel enterprises to achieve complete energy self-suffi ciency by utilizing biomass waste as fuel.
Purpose. The purpose of this research is to develop a technology to replace fossil energy carriers at bioethanol enterprises with production waste for increasing fuel output based on renewable energy sources. This advancement supports Ukraine's energy independence and enhances environmental safety.
Materials and Methods. Dry matter in vinasse has been determined by the refractometric method and by drying to a constant mass at 105 ^oC. Ash content has been studied by incinerating a sample in a muffle furnace at 700—900 ^oC until complete ash formation, followed by quantifying the amount of unburned residue.
Results. The physical and chemical indicators for native and concentrated vinasse have been determined. The general view of evaporation plant and the mnemonic diagram of the automatic control system have been presented. Concentrated vinasse can be used as fuel for the process steam production at bioethanol plants.
Conclusions. Vinasse should be concentrated in vacuum evaporation units that are energetically integrated with ethanol distillation and rectification units. The developed and implemented technology enables the production of fuel to supply energy for the industrial production of bioethanol.

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