This article reveals the possibility of using legume butter to obtain a new combined product of increased quality. The technology of model compositions of finishing semi-finished products, in particular, confectionery legume butter with DDW, has been developed. The results of a study on optimizing the recipe composition of finishing semi-finished products made it possible to develop this technology of multifunctional confectionery butter with the desired (specified) organoleptic and structural and mechanical properties. The analysis of the formation of the structure of legume butter of oppositely directed processes in the enzymatic destruction of the residual cellular structure and spontaneous aggregation of protein particles into the spatial structure due to gradual dehydration of the system was carried out. It is noted that sugar plays the role of a plasticizer, reducing the rate of gelatinization of starch while reducing the viscosity peak. The use of dry demineralized whey (DDW) in legume butter technologies contributes to the formation of a stronger structure of the protein component and the development of a spatial structure, which gives it certain structural and mechanical properties. Three main directions of technological use of confectionery butter were established, which are based on structural characteristics of consistency: 1 – confectionery butter used to cover confectionery products and as a layer for them (CP – Confectionery Products), where the main indicator of consistency is extensibility; 2 – confectionery butter used for making flowers, as a decorative element for flour confectionery (SC – Sugar Confectionery)), where the main indicator of consistency is an equivalent ratio of extensibility and forming ability; 3 – confectionery butter used for modeling shaped products, as a decorative element for flour confectionery products, where the main indicator of consistency is the forming ability. The results of studies of the rheological characteristics of legume butter with dry demineralized whey (DDW) and coconut oil are presented. It was ascertained that DDW and coconut oil lead to changes in the state of legume butter, changing the values of rheological characteristics. The rational content of DDW and coconut oil in the composition of legume butter while ensuring high functional and technological properties was proved. The optimal ratios of components of the developed legume butter were mathematically grounded.
Areas of improving energy saving and the environmental situation in the processing and food industry In Ukraine are relevant, as technologies and equipment by their nature and degree for efficient use of fuel resources are practically achievable for their improvement, especially today. The purpose of the study is to improve the methodology for the optimisation of the mode of reuse of the thermal potential of exhaust process gases in the implementation of a two-stage cooling process. The indicators of process gas emissions with a volume consumption of 0.54 m3 /s and temperature – 1600°C with the parameters of the furnace operation A2-SHBG were used to construct local temperature characteristics. Their construction is carried out based on the heat balance and heat transfer at short surface intervals, considering the parameters of coolant flows. The results were analysed by the Flow Vision software suite under the structure of the graph, according to the laws of thermodynamics. A method for calculating the amount of cold heat agent for reuse in the technological process is proposed. It is established that under the accepted heat exchange conditions, the required amount of atmospheric air with an initial temperature of -300°Ccan be heated to a temperature of +640°C, and with an initial temperature of +300°C, can be heated to +1450°C. Natural gas consumption will change from 20 m3 / h, without preheating atmospheric air, up to 12.7 m3 /h when heating atmospheric air in the heat exchanger at an initial temperature of + 300°C. It is stipulated that when calculating energy resource savings, it is necessary to consider the initial temperature of the cold heat agent when using the heat of exhaust process gases. The proposed method for calculating the optimal heat recovery mode allows calculating changes in the consumption of the primary fuel and energy resource and creating a database for the effective implementation of energy-saving technologies when reusing waste gas heat into production
At present, the problem of air pollution is a serious environmental problem that negatively affects the living conditions and health of people. The composition of atmospheric air in large industrial and urban agglomerations depends on the type of production and the level of its technology. A promising method of improving dust collectors is the creation of dust collectors, where the principles of operation of several devices are implemented.
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