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Title: Investigation of the energy efficiency of waste utilization technology, with considering the use of low-temperature separation of the resulting gas mixtures
Authors: Вамболь, Віола Владиславовна
Собина, Віталій Олександрович
Вамболь, Сергій Олександрович
Колосков, Володимир Юрійович
Keywords: wastes
waste utilization
synthetic gas
energy characteristics
Issue Date: 2018
Publisher: Lietuvos mokslų akademija
Series/Report no.: ENERGETIKA. 2018. T. 64.;Nr. 4.
Abstract: Currently, there are existing technologies for high-temperature waste disposal, which use the resulting gas as fuel for recycling newly formed waste. However, the composition of waste is not constant, and contents of their components are different, thus, the need for fuel gas for burning is not stable. Therefore, such gas is constantly lost. Thus, the purpose of the article is to present the study results of the energy efficiency of high-temperature waste disposal technology, which includes low-temperature separation of the resulting gas mixtures, which allows accumulating fuel products. By means of numerical simulation an analysis of the functioning of energy-technological facility of separation of multicomponent hydrocarbon mixtures with the subsequent optimization of its parameters in order to improve its efficiency and decrease energy costs for waste gasification was performed. For this purpose, the classical approach and generally accepted thermodynamics relations were used, including the Peng-Robinson equation of state for the description of coefficients of heat-physical characteristics of working bodies. The complexity of calculation of multicomponent systems (with three and more components) does not allow application of the state diagrams. Thus, for the simulation of heat-physical characteristics the REFPROP program was employed. The energy efficiency of the proposed technology of energy resources production at waste utilization was shown. The amount of products obtained by the facility is equal to 5.242 kg/hour of the fuel product No. 1 with methane content of 99.98% and 54.76 kg/hour of the fuel product No. 2 with low quantity of methane. This confirms the economic efficiency of such technology of disposal.
Appears in Collections:Кафедра організації та технічного забезпечення аварійно-рятувальних робіт

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