Abstract
Abstract The paper presents energy technology installations for combined production of methanol and electricity for distributed generation. The technical and economic study is based on mathematical modeling using a system of computer-aided construction of programs and optimization with the models. The results of the effect of fuel composition on methanol and electricity production are presented. The competitiveness of the obtained methanol is assessed. The studies were carried out for various electricity and coal costs. The thermal efficiency of such installations is more than 60 %. At present methanol produced at energy technology installations is competitive with expensive diesel fuel delivered from other areas.
Highlights
The energy strategy of Russia for the period until 2030 considers the small-scale distributed energy to be one of the key areas of the energy sector development
One of the promising solutions is the construction of energy technology installations (ETIs) for the co-production of electricity and synthetic qualified liquid fuels (QLF) near coal mining enterprises in remote regions of Siberia and the Far East
We will consider one of the promising ways of processing coal into electricity and QLF. It consists in gasification with the production of syngas [4] enriched with hydrogen and carbon monoxide; synthesis of qualified liquid fuels and generation of electricity by utilizing the heat of gasification and QLF synthesis and combustion of the purge gas produced during the synthesis
Summary
The energy strategy of Russia for the period until 2030 considers the small-scale distributed energy to be one of the key areas of the energy sector development. In the absence of technical ability to connect the consumer to a centralized energy supply system, the consumer can build an individual source of energy supply [3] In this context, one of the promising solutions is the construction of energy technology installations (ETIs) for the co-production of electricity and synthetic qualified liquid fuels (QLF) near coal mining enterprises in remote regions of Siberia and the Far East. Environmental and Climate Technologies 2020 / 24 In [15] a techno-economic analysis of the methanol and electricity poly-generation system based on coal partial gasification using Aspen Plus is presented. Optimization studies of complex combined systems based on detailed models of energy and technological elements, considering the nonlinearity of the processes occurring in them, are not carried out. The aim of the work is mathematical modelling and determination of optimal schemes and parameters of ETIs for distributed generation based on coals from Russia’s eastern regions
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