Zobrazeno 1 - 10
of 57
pro vyhledávání: '"MARIUS FLORIN DRĂGOESCU"'
Publikováno v:
Constructii: Journal of Civil Engineering Research, Vol 22, Iss 1-2, Pp 15-24 (2021)
An industrially manufacturing recipe of foam glass gravel (FGG) from glass waste by an unconventional heating technique, using simultaneously a liquid foaming agent (glycerol) and a solid one (calcium carbonate) was tested on a 10 kW-microwave oven.
Externí odkaz:
https://doaj.org/article/32aceb75950d45f08806f8cd9087f0b7
Publikováno v:
Constructii: Journal of Civil Engineering Research, Vol 21, Iss 1, Pp 54-62 (2020)
The paper presents a new technique for making foam glass gravel by expanding at high temperature recycled glass waste with a liquid carbonic foaming agent (glycerol) in combination with sodium silicate (also called “water glass”). Unlike the conv
Externí odkaz:
https://doaj.org/article/8025d7c96af946889058328eadd8d90e
Publikováno v:
Constructii: Journal of Civil Engineering Research, Vol 21, Iss 2, Pp 48-56 (2020)
Experimental results of manufacturing the cellular glass from container glass waste using an unconventional heat treatment technique (microwave energy) are presented in the paper. The cellular glass has physical, mechanical and morphological characte
Externí odkaz:
https://doaj.org/article/06df04986dc844949640e44aa56f377d
Publikováno v:
Constructii: Journal of Civil Engineering Research, Vol 20, Iss 1-2, Pp 35-41 (2019)
The experimental results of the manufacturing process of foam glass gravel using recycled glass waste (in very high ratio) are presented in the paper. The technique used for heating at 815-837 ºC of the raw material, composed of a powder mixture of
Externí odkaz:
https://doaj.org/article/5740dcb5114642c2b978a3c7ce92c55c
Publikováno v:
Nonconventional Technologies Review, Vol 24, Iss 2 (2020)
The paper presents results of the research of manufacturing silicon carbide ceramic foam applying the microwave energy as a power source for the heat treatment at very high temperature (up to 1610 ºC). On the other hand, aluminosilicate waste (clay
Externí odkaz:
https://doaj.org/article/366f2c39742b4e58bcca038c06d6046b
Publikováno v:
Nonconventional Technologies Review, Vol 24, Iss 2 (2020)
The results of the research in the field of microwave energy application in the process of manufacturing foam glass gravel from colored glass waste, calcium carbonate as a foaming agent, borax as a fluxing agent and sodium silicate solution as a bind
Externí odkaz:
https://doaj.org/article/b823e8b39d464e8b943ab1b4b78f9914
Publikováno v:
Constructii: Journal of Civil Engineering Research, Vol 19, Iss 1-2, Pp 59-64 (2018)
The paper presents experimental results obtained in the manufacture of glass foams from packaging bottle glass waste, using the microwave energy. The glass foam as insulating material for construction is an advantageous alternative to existing buildi
Externí odkaz:
https://doaj.org/article/7a9ef93ca19141f28e9d20e67d26ec51
Publikováno v:
Journal of Engineering Studies and Research, Vol 22, Iss 2 (2016)
The paper presents experimental results obtained by a team of researchers from the company Daily Sourcing & Research SRL Bucharest in the field of producing the foamed glass-ceramic from waste bottle glass, coal ash and silicon carbide as foaming age
Externí odkaz:
https://doaj.org/article/341d7460f22d4b95a4193ce26760b15d
Autor:
Georgeta Predeanu, Valerica Slăvescu, Marius Florin Drăgoescu, Niculina Mihaela Bălănescu, Alexandru Fiti, Aurelia Meghea, Petrisor Samoila, Valeria Harabagiu, Maria Ignat, Ana-Maria Manea-Saghin, Bogdan Stefan Vasile, Nicoleta Badea
Publikováno v:
Materials
Volume 16
Issue 3
Pages: 1036
Volume 16
Issue 3
Pages: 1036
Huge amounts of vegetable waste, mainly resulting from the food industry, need large areas for storage, as they could cause hazardous environmental impact, leading to soil and water pollution or to CO2 emissions during accidental incineration. This w
Autor:
Maria Mihaly, Romina Dorina Mihalache, Bruno Valentim, Georgeta Predeanu, Marius Florin Drăgoescu, Mihaela Balanescu, Andreea Marin, Bogdan Stefan Vasile, Valerica Slăvescu, Alexandra Guedes, Ana-Maria Manea-Saghin, Alexandru Traian Abagiu, Luminiţa Georgeta Popescu, Aurelia Meghea
Publikováno v:
Minerals Engineering. 170:107055
This work reports the semiquantitative laboratory chemical procedures developed for some Rare Earth Elements (REE) extraction and concentration from coal bottom ash (BA), including recycling the recovered valuable components. This preliminary assessm