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[18953] Artykuł:

The use spent of glauconite in lightweight aggregate production

Czasopismo: BOLETIN DE LA SOCIEDAD ESPANOLA DE CERAMICA Y VIDRIO   Tom: 50, Zeszyt: 4, Strony: 193-200
ISSN:  0366-3175
Wydawca:  SOC ESPANOLA CERAMICA VIDRIO, DESPACHO 176, INST CERAMICA VIDRIO, CSIC, C-KELSEN 5, 28049 MADRID, SPAIN
Opublikowano: 2011
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału		 Liczba
punktów
Małgorzata Franus25.00  
Wojciech Franus25.00  
Jolanta Latosińska orcid logoWiŚGiEKatedra Inżynierii i Ochrony Środowiska *****2520.00  
Rafał Wójcik25.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 20
Klasyfikacja Web of Science: Article

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Keywords:

glauconite  pickle wastewater  lightweight of aggregate  utilization of wastes 


Abstract:

The presented work has shown an application of spent glauconite bed after purification of wastewater for production of lightweight expanded clay aggregates. Sewage, from which it was removed Zn ions, came from technological line (zinc-works) of Communication Equipment Factory "PZL" Swidnik. Spent glauconite bed was used as an additive in lightweight aggregate production which was obtained using plastic method by sintering, at temperature 1140 degrees C and 1200 degrees C, of spent glauconite amouts 10, 15, 20 and 25% wt. with clays from open-cast mine "Budy Mszczonowskie". The presence of the mineral improves sinter texture, increases porosity and contributes to formation of glassy layer on the surface of the aggregates. Tests of zinc elution from lightweight of aggregate samples has shown very low mobility of zinc ions. Content of zinc in water extracts obtained from lightweight of aggregate is definitely lower than zinc concentration permitted for sewage discharge to water or soil, means that spent material is not offensive for the environment as it can be used as a high quality building product.


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