USE OF NATURAL DOLOMITE AS A CHEAP FOAMING AGENT FOR PRODUCING GLASS FOAMS FROM GLASS WASTE IN THE MICROWAVE FIELD

The paper presents experimental results obtained in the process of making glass foam from glass waste using a cheap foaming agent (natural dolomite). The originality of the work is the application of the microwave energy, unlike the conventional techniques commonly used in the world. The main advan...

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Autores principales: LUCIAN PAUNESCU, MARIUS FLORIN DRAGOESCU, SORIN MIRCEA AXINTE
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Lenguaje:EN
Publicado: Alma Mater Publishing House "Vasile Alecsandri" University of Bacau 2020
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Acceso en línea:https://doaj.org/article/6ef5e93bf2614d8eb163f887b1b98612
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spelling oai:doaj.org-article:6ef5e93bf2614d8eb163f887b1b986122021-12-02T18:36:10ZUSE OF NATURAL DOLOMITE AS A CHEAP FOAMING AGENT FOR PRODUCING GLASS FOAMS FROM GLASS WASTE IN THE MICROWAVE FIELD10.29081/jesr.v26i1.92068-75592344-4932https://doaj.org/article/6ef5e93bf2614d8eb163f887b1b986122020-03-01T00:00:00Zhttp://www.jesr.ub.ro/1/article/view/9https://doaj.org/toc/2068-7559https://doaj.org/toc/2344-4932 The paper presents experimental results obtained in the process of making glass foam from glass waste using a cheap foaming agent (natural dolomite). The originality of the work is the application of the microwave energy, unlike the conventional techniques commonly used in the world. The main advantage highlighted by the experiments is the very low specific energy consumption (below 1.5 kWh/kg), due to the peculiarities of the microwave heating technique. The foamed product has physical, mechanical and morphological characteristics (density between 0.30-0.32 g/cm3, thermal conductivity between 0.064-0.067 W/m·K, compressive strength in the range 2.2-2.6 MPa), which are similar to those of foams made by conventional methods and are suitable for its use as insulating material in construction. LUCIAN PAUNESCUMARIUS FLORIN DRAGOESCUSORIN MIRCEA AXINTEAlma Mater Publishing House "Vasile Alecsandri" University of Bacauarticleglass foammicrowavenatural dolomitecheap foaming agentenergyTechnologyTEngineering (General). Civil engineering (General)TA1-2040ENJournal of Engineering Studies and Research, Vol 26, Iss 1 (2020)
institution DOAJ
collection DOAJ
language EN
topic glass foam
microwave
natural dolomite
cheap foaming agent
energy
Technology
T
Engineering (General). Civil engineering (General)
TA1-2040
spellingShingle glass foam
microwave
natural dolomite
cheap foaming agent
energy
Technology
T
Engineering (General). Civil engineering (General)
TA1-2040
LUCIAN PAUNESCU
MARIUS FLORIN DRAGOESCU
SORIN MIRCEA AXINTE
USE OF NATURAL DOLOMITE AS A CHEAP FOAMING AGENT FOR PRODUCING GLASS FOAMS FROM GLASS WASTE IN THE MICROWAVE FIELD
description The paper presents experimental results obtained in the process of making glass foam from glass waste using a cheap foaming agent (natural dolomite). The originality of the work is the application of the microwave energy, unlike the conventional techniques commonly used in the world. The main advantage highlighted by the experiments is the very low specific energy consumption (below 1.5 kWh/kg), due to the peculiarities of the microwave heating technique. The foamed product has physical, mechanical and morphological characteristics (density between 0.30-0.32 g/cm3, thermal conductivity between 0.064-0.067 W/m·K, compressive strength in the range 2.2-2.6 MPa), which are similar to those of foams made by conventional methods and are suitable for its use as insulating material in construction.
format article
author LUCIAN PAUNESCU
MARIUS FLORIN DRAGOESCU
SORIN MIRCEA AXINTE
author_facet LUCIAN PAUNESCU
MARIUS FLORIN DRAGOESCU
SORIN MIRCEA AXINTE
author_sort LUCIAN PAUNESCU
title USE OF NATURAL DOLOMITE AS A CHEAP FOAMING AGENT FOR PRODUCING GLASS FOAMS FROM GLASS WASTE IN THE MICROWAVE FIELD
title_short USE OF NATURAL DOLOMITE AS A CHEAP FOAMING AGENT FOR PRODUCING GLASS FOAMS FROM GLASS WASTE IN THE MICROWAVE FIELD
title_full USE OF NATURAL DOLOMITE AS A CHEAP FOAMING AGENT FOR PRODUCING GLASS FOAMS FROM GLASS WASTE IN THE MICROWAVE FIELD
title_fullStr USE OF NATURAL DOLOMITE AS A CHEAP FOAMING AGENT FOR PRODUCING GLASS FOAMS FROM GLASS WASTE IN THE MICROWAVE FIELD
title_full_unstemmed USE OF NATURAL DOLOMITE AS A CHEAP FOAMING AGENT FOR PRODUCING GLASS FOAMS FROM GLASS WASTE IN THE MICROWAVE FIELD
title_sort use of natural dolomite as a cheap foaming agent for producing glass foams from glass waste in the microwave field
publisher Alma Mater Publishing House "Vasile Alecsandri" University of Bacau
publishDate 2020
url https://doaj.org/article/6ef5e93bf2614d8eb163f887b1b98612
work_keys_str_mv AT lucianpaunescu useofnaturaldolomiteasacheapfoamingagentforproducingglassfoamsfromglasswasteinthemicrowavefield
AT mariusflorindragoescu useofnaturaldolomiteasacheapfoamingagentforproducingglassfoamsfromglasswasteinthemicrowavefield
AT sorinmirceaaxinte useofnaturaldolomiteasacheapfoamingagentforproducingglassfoamsfromglasswasteinthemicrowavefield
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