Development of power­efficient and environmentally safe coffee product technologies

Authors

DOI:

https://doi.org/10.15587/1729-4061.2020.194647

Keywords:

food concentrates, coffee oil, coffee slurry, microwave extraction, energy monitoring

Abstract

Based on the energy and environmental audit, analysis of material flows, energy conversion, emissions into atmosphere and lithosphere in the production of instant coffee was carried out.

To raise energy efficiency and reduce environmental burden, innovative flow diagrams and equipment for waste processing and production of new coffee products have been developed.

Experimental modeling was carried out: kinetics of microwave extraction of water-soluble substances and oil from coffee slurry; hydraulics of the extractant flow through cassettes of the microwave extractor. The experimental data were summarized in the form of a criterion equation.

As a result of experimental modeling of the extraction kinetics, it was found that the duration of the process in a microwave field is approximately 20 times less than in a thermostat. The microwave field affects the extraction rate to a greater extent than the process temperature. The growth of microwave power results in a more than the two-fold rise of the yield of extractives from a coffee slurry.

Specification of the microwave oil extractor was defined. The extractor sample was tested at a specific power of 180...240 W/kg in the mode of boiling extractant. Ethanol (93...96 % concentration) was used as an extractant. As a result of the tests, a high-quality coffee oil was obtained. It is characterized by a pronounced aroma, coffee taste and an intense dark brown color.

Flow diagram of pre-extraction of coffee from slurry was worked out. Additional extraction of water-soluble extractive substances from coffee slurry increased the extract yield by 10...12 %. The temperature regime of extraction was significantly reduced plus duration and energy intensity of the process were reduced.

An innovative flow diagram has been developed for the production of liquid coffee concentrate as a basis for coffee-based drinks ready for immediate use. The concentration of solids is 50...65 %

Author Biographies

Oleg Burdo, Odessa National Academy of Food Technologies Kanatna str., 112, Odessa, Ukraine, 65039

Doctor of Technical Sciences, Professor

Department of Processes, Equipment and Energy Management

Igor Bezbakh, Odessa National Academy of Food Technologies Kanatna str., 112, Odessa, Ukraine, 65039

Doctor of Technical Sciences, Associate Professor

Department of Processes, Equipment and Energy Management

Aleksandr Zykov, Odessa National Academy of Food Technologies Kanatna str., 112, Odessa, Ukraine, 65039

Doctor of Technical Sciences

Department of Processes, Equipment and Energy Management

Sergey Terziev, Public Joint Stock Company «Enni Foods» Bugaevskaya str., 3, Odessa, Ukraine, 65005

Doctor of Technical Sciences, Head of Board

Aleksander Gavrilov, Academy of Bioresources and Environmental Management «V.I. Vernadsky Crimean Federal University» Nauchnaya str., 1, Agrarnoe, Simferopol, Republic of Crimea, 295492

PhD, Associate Professor

Department of Technology and Equipment Production and Processing of Livestock Products

Ilya Sirotyuk, Odessa National Academy of Food Technologies Kanatna str., 112, Odessa, Ukraine, 65039

Assistant

Department of Processes, Equipment and Energy Management

Igor Mazurenko, Hunan University of Humanities, Science and Technology Dixing Rd. Loudi City, Hunan, China, 417000

Professor

Yunbo Li, Department of Food Technology Herasyma Kondratieva str., 160, Sumy, Ukraine, 40021

Postgraduate Student

Sumy National Agrarian University

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Published

2020-02-29

How to Cite

Burdo, O., Bezbakh, I., Zykov, A., Terziev, S., Gavrilov, A., Sirotyuk, I., Mazurenko, I., & Li, Y. (2020). Development of power­efficient and environmentally safe coffee product technologies. Eastern-European Journal of Enterprise Technologies, 1(11 (103), 6–14. https://doi.org/10.15587/1729-4061.2020.194647

Issue

Vol. 1 No. 11 (103) (2020): Technology and Equipment of Food Production

Section

Technology and Equipment of Food Production

License

Copyright (c) 2020 Oleg Burdo, Oleg Burdo, Igor Bezbakh, Aleksandr Zykov, Sergey Terziev, Sergey Terziev, Aleksander Gavrilov, Aleksandr Zykov, Aleksander Gavrilov, Ilya Sirotyuk, Ilya Sirotyuk, Igor Mazurenko, Igor Mazurenko, Yunbo Li, Yunbo Li

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