Nowa technologia otrzymywania alternatywnych dodatków pucolanowych do produkcji cementu portlandzkiego z materiałów odzyskiwanych ze składowisk odpadów

Puertas, F.; Varga, C.; Alonso, M. del Mar; Diaz-Bautista, M. A.; Lizarraga, S.

Artykuł - szczegóły

Tytuł artykułu

Nowa technologia otrzymywania alternatywnych dodatków pucolanowych do produkcji cementu portlandzkiego z materiałów odzyskiwanych ze składowisk odpadów

Autorzy

Puertas F. , Varga C. , Alonso M. del Mar , Diaz-Bautista M. A. , Lizarraga S.

Wybrane pełne teksty z tego czasopisma

http://www.cementwapnobeton.pl/

Identyfikatory

Warianty tytułu

New technology for alternative pozzolanic additions for Portland cement from abandoned landfills

Języki publikacji

PL EN

Abstrakty

Praca omawia metody separacji i technologii wykorzystania odpadów, odzyskiwanych ze starych składowisk, jako aktywnych dodatków mineralnych do produkcji cementu. Przedmiotem badań był popiół lotny pobierany ze składowiska położonego w pobliżu nieczynnej już elektrowni opalanej węglem, w Hiszpanii, a materiał badano po kątem właściwości pucolanowych. W tym celu zbudowano małą instalację doświadczalną, umożliwiającą rozdrobnienie i rozdzielenie popiołu z hałdy na kilka frakcji ziarnowych. Zbadano skład chemiczny i fazowy oraz właściwości pucolanowe tych frakcji. Sporządzono portlandzkie cementy popiołowe, do których dodano 25% najdrobniejszej frakcji popiołu oraz tej samej frakcji, z której usunięto niespalony węgiel.

In this study the technology of fly ash and slag from the old landfill reusing as active mineral addition for cement manufacture is presented. The material of this landfill located in Spain, nearby the abandoned coal-fired power plant, was ground and separated in some tractions to study the possibility of use this waste as pozzolanic addition for Portland fly ash cement production. A laboratory-scale plant waIn this study the technology of fly ash and slag from the old landfill reusing as active mineral addition for cement manufacture is presented. The material of this landfill located in Spain, nearby the abandoned coal-fired power plant, was ground and separated in some tractions to study the possibility of use this waste as pozzolanic addition for Portland fly ash cement production. A laboratory-scale plant was designed for grinding and separation of this waste in tour tractions with particle sizes ranging up 10 mm - 0.032 micron. The properties, chiefly pozzolanic behaviour, of these tractions were examined. 25% of the finest fraction with unburnt carbon and after its separation, was added to Portland cement and compared with industrial Portland fly ash cement.s designed for grinding and separation of this waste in tour tractions with particle sizes ranging up 10 mm - 0.032 micron. The properties, chiefly pozzolanic behaviour, of these tractions were examined. 25% of the finest fraction with unburnt carbon and after its separation, was added to Portland cement and compared with industrial Portland fly ash cement.

Słowa kluczowe

popiół lotny aktywność pucolanowa składowisko odpadów odpad elektrowniany technologia odzysku emisja CO2

fly ash pozzolanic activity landfill power plant waste recovery technology CO2 emission

Wydawca

Fundacja Cement, Wapno, Beton

Czasopismo

Cement Wapno Beton

Rocznik

2015

Tom

R. 20/82, nr 2

Strony

88--105

Opis fizyczny

Bibliogr. 27 poz., il., tab.

Twórcy

autor

Puertas F.

Cements and Recycling Materials Department, Eduardo Torroja Institute for Construction Science (IETcc-CSIC), Madrid, Spain

autor

Varga C.

Cements and Recycling Materials Department, Eduardo Torroja Institute for Construction Science (IETcc-CSIC), Madrid, Spain

autor

Alonso M. del Mar

Cements and Recycling Materials Department, Eduardo Torroja Institute for Construction Science (IETcc-CSIC), Madrid, Spain

autor

Diaz-Bautista M. A.

Grupo Cementos Portland Valderrivas (GPCV), Spain

autor

Lizarraga S.

Cement International Technologies (CIT), Spain

Bibliografia

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6. Pathways to a lowcarbon Economy, version 2 of the Global Greenhouse Gas Abatement Cost Curve, McKinsey & Company, January 2009. www.mckinsey.com/globalGHGcostcurve
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20. P. Frändegård, J. Krook, N. Svensson, M. Eklund, A novel approach for environmental evaluation of landfill mining. J. of Clean Prod., 55, 24 (2013).
21. UNE-EN 196-2:2014, Methods of testing cement-Part 2:Chemical analysis of cement. 2014
22. UNE-32-004-84, Solid mineral fuels: Determination of ashes, 1984.
23. UNE-EN 196-5:2011, Methods of testing cement- Part 5: Pozzolanicity test for pozzolanic cement, 2011.
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Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-fc73597a-f80c-4c59-a3db-d8f3df934a0b