Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Tomas Jirout"'
Publikováno v:
Chemical Engineering Transactions, Vol 100 (2023)
The paper aimed to experimentally identify the effect of rotor blade geometry on particle size characteristics for the knife-milled wheat straw of 12.5 wt % moisture content. Biomass was systematically reduced in size using two-blade rotor geometries
Externí odkaz:
https://doaj.org/article/18f07c4b559f4c2abdb9e607b918266a
Publikováno v:
Chemical Engineering Transactions, Vol 93 (2022)
The mixing of the culture medium in a photobioreactor (PBR) is very important to enhance the cultivation of microalgae since it ensures that microalgae cells can access nutrients and light radiation. In this study, a numerical model of hydrodynamic c
Externí odkaz:
https://doaj.org/article/cd203dffbad449c3addd8dc4ca809951
Autor:
Peter Peciar, Kristian Jezso, Michaela Kohutova, Adam Gustafík, Lukas Kratky, Roman Fekete, Tomas Jirout, Marian Peciar
Publikováno v:
Chemical Engineering Transactions, Vol 92 (2022)
Biomass products are used as an energy source in many fields of industry and households. One such source can be pellets or briquettes made of wood chips, ideally made of waste wood. The final quality of these products is affected by many parameters,
Externí odkaz:
https://doaj.org/article/31fd9530b2f949c09253da40d3d19808
Publikováno v:
Chemical Engineering Transactions, Vol 92 (2022)
The paper analyzed the effect of moisture on specific energy requirements for knife milled wheat straw. The wheat straw with moistures of 3.1 wt %, 8.1 wt % and 22.9 wt % were comminuted under various rotors´ peripheral speeds and opening sizes, bei
Externí odkaz:
https://doaj.org/article/06d832faeed54fe8accb8e5eb956b304
Publikováno v:
Chemical Engineering Transactions, Vol 92 (2022)
The membrane separation process offers a promising solution for syngas components separation and adjusting the ratio of the components. The multicomponent separation process is however complex and cannot be easily described. The presented study offer
Externí odkaz:
https://doaj.org/article/7cb5c289232949a8b9f3e152c56d65e0
Autor:
Tomas Jirout, Lukas Kratky
Publikováno v:
Chemical Engineering Transactions, Vol 87 (2021)
The paper scoped to identify specific energy demand of knife milled beech chips in dependence on moisture, initial and final particle size. The experiments were conducted for beech chips of moisture being 0.5, 7.5 and 16 % wt. dry mass, under mechani
Externí odkaz:
https://doaj.org/article/2abfcaea694c4e6c950a191ab2810613
Publikováno v:
Chemical Engineering Transactions, Vol 86 (2021)
The article deals with the various methods of characterization and evaluation of the shape and dimensions of particles that are a product of grinding the beech chips in a knife mill. The speed of rotor with knives and two types of die were tested par
Externí odkaz:
https://doaj.org/article/63343410ddb44f179edefd541cbe8d39
Publikováno v:
Chemical Engineering Transactions, Vol 86 (2021)
Hydrodynamic conditions in pilot or industrial cultivation systems significantly affect the process of microalgae cultivation. It is necessary to ensure sufficient mixing and even distribution of the flowing medium in the entire irradiated area of th
Externí odkaz:
https://doaj.org/article/f1740f26348342f687455ea8afe32a9b
Publikováno v:
Energies, Vol 15, Iss 2, p 585 (2022)
In this study, the mixing power and the axial and radial velocity distributions were determined for the standard PBT45-6 impeller with inclined blades and for three NACA impellers with airfoil blades. On the basis of the velocity distributions obtain
Externí odkaz:
https://doaj.org/article/60d013ea124b49ba90edecc1c07be96b
Autor:
Vojtech Belohlav, Tomas Jirout
Publikováno v:
Chemical Engineering Transactions, Vol 76 (2019)
Microalgae cultivation is considered as one of the promising technologies for CO2 utilization and the biomass can be further used for the production of biofuels or high-value products. The processes of harvesting and dewatering of produced microalgae
Externí odkaz:
https://doaj.org/article/ca5ea15b4e384738b2b2af73f9c61a95