Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Danutė Vaičiukynienė"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract These days, the construction industry is facing sustainability issues, leading to the selection of greener, low-carbon, alkali-activated materials. This study examines a low calcium alkali activated system composed of three constituents (cer
Externí odkaz:
https://doaj.org/article/a1623f29fd8841baaf2332827c7fba4c
Autor:
Danutė Vaičiukynienė, Dalia Nizevičienė, Aras Kantautas, Gintautas Tamošaitis, Ignacio Villalón Fornés, Pavel Krivenko, Olha Boiko
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The production of ordinary Portland cement (OPC) is one of the main global causes of CO2 release to the atmosphere. However, its availability and unique characteristics as a binding material make it difficult to be substituted by eco-friendl
Externí odkaz:
https://doaj.org/article/88c8e76c49c4467a91d6e5c437241fa9
Autor:
Girts Bumanis, Danutė Vaičiukynienė, Tatjana Tambovceva, Liga Puzule, Maris Sinka, Dalia Nizevičienė, Ignacio Villalón Fornés, Diana Bajare
Publikováno v:
Recycling, Vol 9, Iss 4, p 63 (2024)
The utilization of waste generated from industrial production is a burden to overcome for society to reach a circular economy. Usually, production waste is associated with low-quality materials compared to its natural counterparts. In some cases, hig
Externí odkaz:
https://doaj.org/article/1aeb6c4c3290437e91255e53b8bc1a73
Autor:
Danutė Vaičiukynienė, Leonas Jakevičius, Aras Kantautas, Vitoldas Vaitkevičius, Vilimantas Vaičiukynas, Karel Dvorak
Publikováno v:
Ultrasonics Sonochemistry, Vol 86, Iss , Pp 105996- (2022)
Externí odkaz:
https://doaj.org/article/ab8efab120684300b598c31403d24e85
Autor:
Danutė Vaičiukynienė, Leonas Jakevičius, Aras Kantautas, Vitoldas Vaitkevičius, Vilimantas Vaičiukynas, Karel Dvořák
Publikováno v:
Ultrasonics Sonochemistry, Vol 72, Iss , Pp 105426- (2021)
The fine powdered silica by-product of processing of aluminum fluoride (fertilizer plant, Lithuania) was used for zeolite synthesis as silica and aluminum source. The effect of sonication time and the time of hydrothermal synthesis on crystallinity o
Externí odkaz:
https://doaj.org/article/fb75ff40e35d45008446e28be6957517
Autor:
Agnė Mikelionienė, Danutė Vaičiukynienė, Aras Kantautas, Algirdas Radzevičius, Katarzyna Zarębska
Publikováno v:
Molecules, Vol 26, Iss 10, p 3020 (2021)
In this study, straetlingite-based sorbents were used for NH4+ ion removal from a synthetic aqueous solution and from the wastewater of an open recirculation African catfish farming system. This study was performed using column experiments with four
Externí odkaz:
https://doaj.org/article/dc4fd96e1f0842229dd5e355ad0fa3cc
Autor:
Danutė VAIČIUKYNIENĖ, Vitoldas VAITKEVIČIUS, Žymantas RUDŽIONIS, Vilimantas VAIČIUKYNAS, Arūnas Aleksandras NAVICKAS, Dalia NIZEVIČIENĖ
Publikováno v:
Medžiagotyra, Vol 22, Iss 2, Pp 299-304 (2016)
In this paper the properties and the hydration of Portland cement pastes containing zeolitized silica fume were studied. Hydrosodalite was obtained by zeolitization of silica fume. XRD, DSC, SEM and energy-dispersive X-ray spectroscopy were used as i
Externí odkaz:
https://doaj.org/article/9a44df90e0c04db7ace5e426fbb795a9
Publikováno v:
Molecules, Vol 25, Iss 13, p 3053 (2020)
This study aims to investigate the effects of ammonium-bearing zeolitic waste (FCC) on alkali-activated biomass bottom ash (BBA). FCC was obtained from the oil-cracking process in petroleum plants. In this study, two types of production waste were us
Externí odkaz:
https://doaj.org/article/ea150d37691b441bae7142d1e3d111d7
Publikováno v:
Applied Sciences, Vol 10, Iss 15, p 5190 (2020)
There is a growing interest in the development of new cementitious binders for building construction activities. In this study, biomass bottom ash (BBA) was used as aluminosilicate precursor and phosphogypsum (PG) was used as a calcium source. The mi
Externí odkaz:
https://doaj.org/article/d60d771f6d024425af1a8442877243a9
Autor:
Vitoldas Vaitkevičius, Danutė VAIČIUKYNIENĖ, Aras Kantautas, Aurelijus Kartovickis, Žymantas Rudžionis
Publikováno v:
Medžiagotyra, Vol 21, Iss 1, Pp 136-142 (2015)
Zeolites are appropriate supplementary cementitious materials in cement and concrete industry. In the present work synthetic zeolites was used like supplementary material in hardened cement paste and some properties as well as its influence on Portla
Externí odkaz:
https://doaj.org/article/2259cf86d6f54bc39ee4f6e94050d254