Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Miroslav Variny"'
Publikováno v:
Engineering Proceedings, Vol 64, Iss 1, p 10 (2024)
The conversion of locally available, low-value materials to useful products and media, thereby replacing high-quality and high-cost resources, belongs to one of the pillars of the circular economy of industrial conditions. A study on the potential im
Externí odkaz:
https://doaj.org/article/ef0c8c56a71643a88a6644db521aacd2
Publikováno v:
Engineering Proceedings, Vol 64, Iss 1, p 4 (2024)
In previous work, a small electric furnace with a capacity of 3.5 kg of liquid copper, capable of reaching temperatures up to 1200 °C, and with nominal power input of 2.1 or 6.2 kW at 230 V was designed and constructed. The purpose of this furnace w
Externí odkaz:
https://doaj.org/article/c2166b5505154a05ab35104adf1441bc
Publikováno v:
Engineering Proceedings, Vol 64, Iss 1, p 11 (2024)
In order to fulfil the environmental goals set for the coming years, industrial companies are motivated to look for clean technologies and green solutions. Replacing common fuels in the transport sector can also contribute to the reduction of emissio
Externí odkaz:
https://doaj.org/article/6b5f77b9a4d14bff8e841518650467d4
Autor:
Michal Stričík, Lenka Kuhnová, Miroslav Variny, Petra Szaryszová, Branislav Kršák, Ľubomír Štrba
Publikováno v:
Energies, Vol 17, Iss 3, p 585 (2024)
The study deals with the possibilities of using alternative types of fuels to produce electricity. Power Plant Vojany (PPV) is a thermal power plant (TPP) in eastern Slovakia, which is part of the company Slovenské elektrárne, a. s. (SE). PPV prima
Externí odkaz:
https://doaj.org/article/09b0bfb000a3456caba0ea837f485393
Publikováno v:
Engineering Proceedings, Vol 56, Iss 1, p 37 (2023)
Trigeneration provides an effective means of power, heat, and cold production on site. Proper design and well-managed operation of such units can bring in substantial savings in consumed primary energy as well as in the amount of greenhouse gases rel
Externí odkaz:
https://doaj.org/article/00d2bd9d18cf4a4ba4ebb866f856192f
Publikováno v:
Engineering Proceedings, Vol 56, Iss 1, p 57 (2023)
Asymmetric ethers such as Cyclopentyl Methyl Ether (CPME) found their application as alternative solvents in technology; they are often labeled as “green solvents” as they can be prepared using renewable feedstock. They are almost immiscible with
Externí odkaz:
https://doaj.org/article/ff52e9cdb64e422fb31034ce42984150
Publikováno v:
Engineering Proceedings, Vol 56, Iss 1, p 194 (2023)
Reaching net-zero emissions by the middle of this century requires the implementation of massive carbon dioxide (CO2) emission reduction strategies along with the reduction of other greenhouse gases on both global and country scales. Thus, carbon cap
Externí odkaz:
https://doaj.org/article/211265aebaa84701b7400b24bed24ad6
Publikováno v:
Engineering Proceedings, Vol 37, Iss 1, p 24 (2023)
Power generation dependency on natural gas in Uzbekistan is high, with more than 85% of the country’s electricity production coming from natural gas. Hence, natural gas-fired power plants constitute the largest proportion of the country’s greenho
Externí odkaz:
https://doaj.org/article/22e2a4bb48e745ad90f40751da536241
Autor:
Miroslav Variny
Publikováno v:
Engineering Proceedings, Vol 37, Iss 1, p 26 (2023)
The chemical recovery cycle is essential for every pulp mill producing pulp via chemical pulping. The purpose of this cycle is to recover inorganic chemicals used for pulping that can facilitate heat and electric energy cogeneration. New methods such
Externí odkaz:
https://doaj.org/article/9f7d5502afca452680a454a861895cb9
Autor:
Miroslav Variny
Publikováno v:
Engineering Proceedings, Vol 37, Iss 1, p 50 (2023)
Black-liquor-thickening in an integrated multi-effect evaporation plant consumes substantial amounts of steam produced in pulp and paper mills, and its efficient operation is, thus, crucial. Industrial applications of heat pumps in the pulp and paper
Externí odkaz:
https://doaj.org/article/cc276da27bfb4fa28989614e7bbb5912