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Titolo della tecnologia:

Cationic surfactant based Silica Gelatin composite for removal of chromate from water solutions

English
# TechID: 
122
Submission date: 
05/2017
Description 

Here a Silica Gelatin composite for removal of chromate from water solutions and the “in situ” conversion process of Cr(VI) to Cr(III) onto this material are described. All the fabrication details of this composite are also described. Additionally we also determine that chromate ions adsorption is not affected by the presence of sulfate ions and a slightly acidic pH conditions

Innovative features & competitive advantages 

We focused our attention on the removal of chromate ions present in the environment. Several materials have been developed and tested, ranging from low cost waste material, such as moss peat, sawdust, zeolites, clay, hazelnut shell, to more sophisticated adsorbents, such as activated carbon, modified zeolite, modified clay, modified steel slag, nanoscale magnetic material, chitosan based composite.

We propose a new composite for the removal of toxic ions from wastewater. SEM and NMR analysis showed that this material is made by an interconnected network of gelatin, silicate and surfactant molecules in which water molecules manifest a high mobility. Analyses of the elemental content in the CTAB-silica gelatin composite suggest that the adsorption of chromium takes also places in the internal areas. On the composite, after the adsorption event takes place the reduction in situ of Cr(VI) in Cr(III). This composite shares the advantage to accomplish both the adsorption of chromate ions and the reduction with a unique step

Development stage of technology/product 
TRL: 
4
Intellectual Property
Patented Technology: 
Si
Paese: 
Italy
Anno: 
2006
Publication of technology
Pubblicata: 
Si
Licensing out: 
Si
Technological Validation / Demonstration
Validazione Interna: 
Si
Validazione esterna: 
No
Validazioni Caratteristiche funzionali
Esistenza di un prototipo: 
No
Informazioni significative
Esistono informazioni significative e verificabili su 
Posizionamento nel mercato 
Tecnologia trasferibile al mercato
Tecnologia trasferibile al mercato: 
Quasi - Necessità di ulteriori sviluppi della ricerca

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