Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Vayos Karayannis"'
Autor:
Gesthimani Iakovidou, Aikaterini Itziou, Arsenios Tsiotsias, Evangelia Lakioti, Petros Samaras, Constantinos Tsanaktsidis, Vayos Karayannis
Publikováno v:
Applied Sciences, Vol 14, Iss 15, p 6727 (2024)
In the current study, the cultivation of microalgae on wastewater-based substrates is investigated for an effective natural wastewater treatment that also generates biofuels and value-added products beneficial to human health. Additionally, the healt
Externí odkaz:
https://doaj.org/article/eee3d72361bc4f7581f4bd07807bec24
Publikováno v:
Algorithms, Vol 17, Iss 5, p 181 (2024)
The present research work introduces a novel mixture optimization methodology for biodiesel fuels using an Evolutionary Computation method inspired by biological evolution. Specifically, the optimal biodiesel composition is deduced from the applicati
Externí odkaz:
https://doaj.org/article/90fd38764ce04f61afe041382402a151
Autor:
Aikaterini Itziou, Konstantinos Zaralis, Annita Theofanous, Maria Louloudi, Georgios Rozos, Ioanna A. Vasiliadou, Evangelia Lakioti, Vayos Karayannis, Constantinos Tsanaktsidis
Publikováno v:
Energies, Vol 16, Iss 22, p 7534 (2023)
In the current study, the production of novel antioxidants for hygienic disinfection against common pathogenic bacteria, based on the incorporation of bioextractant oils/waters from either lavender or oregano distillates is proposed in the framework
Externí odkaz:
https://doaj.org/article/824a8337c01b4967834cba52ddab8d08
Autor:
Savvas L. Douvartzides, Aristidis Tsiolikas, Nikolaos D. Charisiou, Manolis Souliotis, Vayos Karayannis, Nikolaos Taousanidis
Publikováno v:
Energies, Vol 15, Iss 15, p 5513 (2022)
The cogeneration of power and heat was investigated for Biomass Boiler–Organic Rankine Cycle (BB–ORC) plants with the characteristics of typical units, such as the 1 MWel Turboden ORC 10 CHP. The thermodynamic analysis of the ORC unit was underta
Externí odkaz:
https://doaj.org/article/793d642ae8cc475f88d153949011f0dd
Publikováno v:
Frontiers in Energy Research, Vol 8 (2021)
Biofuel production from microalgae non-food feedstock is a challenge for strengthening Green energy nowadays. Reviewing the current technology, there is still reluctance in investing towards the production of new algal strains that yield more oil and
Externí odkaz:
https://doaj.org/article/a92e96d5e2784c3d80715f74228a113d
Autor:
Nikolaos GOUGOULIAS, Georgios PAPAPOLYMEROU, Vayos KARAYANNIS, Xenofon SPILIOTIS, Nikolaos CHOULIARAS
Publikováno v:
Soil and Water Research, Vol 13, Iss 1, Pp 51-59 (2018)
The effect of the algal species Chlorella vulgaris at six different ratios (0, 1, 2, 3, 4, 5 g) of air dried algae biomass, mixed with 10.18 g of sheep manure, added to 50 g of soil, and incubated for a period of 15 weeks was studied in a laboratory
Externí odkaz:
https://doaj.org/article/1433fa474c364bd9a813898be49ccfb3
Autor:
Konstantinos Kokkinos, Evangelia Lakioti, Elpiniki Papageorgiou, Konstantinos Moustakas, Vayos Karayannis
Publikováno v:
Frontiers in Energy Research, Vol 6 (2018)
Sustainable Waste Biorefinery Facilities (WBFs) represent multifactorial systems that necessitate the organization, cooperation and the acceptance of different social stakeholders. However, these attempts have become targets of environmental, social
Externí odkaz:
https://doaj.org/article/249ceefd83124f6fb3299c25e9768c6c
Publikováno v:
Mathematics, Vol 8, Iss 7, p 1178 (2020)
The deployment of low-carbon energy (LCE) technologies and management of installations represents an imperative to face climate change. LCE planning is an interminable process affected by a multitude of social, economic, environmental, and health fac
Externí odkaz:
https://doaj.org/article/bb16492a5488476b9a812bdaeb7bfb79
Autor:
Apostolos Baklavaridis, Vayos Karayannis, Konstantinos I. Vatalis, Ploutarchos-Nikolaos Benetis, Georgios Charalampides
Publikováno v:
Mining of Mineral Deposits. 15:11-18
Purpose. Chromite samples from Aetoraches mine area in the southern part of the Vourinos complex in Western Macedonia, Greece were examined from mineralogical-geochemical perspective. Methods. Χ-ray Diffraction (XRD) mineral phase analysis, elementa
Publikováno v:
Periodica Polytechnica Chemical Engineering. 65:219-228
The aim of the current research was to investigate and compare the total phenolic content and antioxidant capacity of sweet pepper cultivars at different development and maturation stages, in order to optimize the beneficial effects. For that purpose