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Pregled bibliografske jedinice broj: 496853

The role of quantum dots nanoparticles in the chemical treatment of colored wastewater : catalysts or additional pollutants


Kušić, Hrvoje; Leszczynska, Danuta; Koprivanac, Natalija; Peternel, Igor;
The role of quantum dots nanoparticles in the chemical treatment of colored wastewater : catalysts or additional pollutants // Journal of environmental sciences, 23 (2011), 9; 1479-1485 doi:10.1016/S1001-0742(10)60609-2 (međunarodna recenzija, članak, znanstveni)


Naslov
The role of quantum dots nanoparticles in the chemical treatment of colored wastewater : catalysts or additional pollutants

Autori
Kušić, Hrvoje ; Leszczynska, Danuta ; Koprivanac, Natalija ; Peternel, Igor ;

Izvornik
Journal of environmental sciences (1001-0742) 23 (2011), 9; 1479-1485

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Wastewater treatment; CdSe/ZnS core-shells; reactive azo dye; UV irradiation; ozone

Sažetak
The objective of the study was to investigate the presence and the activity of quantum dots nanoparticles in colored wastewaters. The special interest is devoted to the investigation of their role in the typical treatment of water or wastewater, studying their influence on the effectiveness of applied treatments methods. The standard chemical processes for water treatment and disinfection (direct UV photolysis and direct ozonation) were applied for the degradation of colored organic pollutant, reactive azo dye, in the presence/absence of CdSe/ZnS core-shells quantum dots (QDs). The obtained results indicate that investigated nanoparticles inhibit the overall efficiency of applied processes, especially in the case of direct UV photolysis, although catalytic effect might be expected in part due to the semiconductor nature of QDs. Such results lead to conclusion that CdSe/ZnS nanoparticles behave as additional pollutants in the system. They should be removed from the system prior the treatment, because their presence could decrease the efficiency, i.e. prolong the time of treatment and correspondingly increase the costs of the treatment process.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo



POVEZANOST RADA


Projekt / tema
125-1253092-1981 - Obrada otpadnih voda naprednim oksidacijskim tehnologijama (Sanja Papić, )

Ustanove
Fakultet kemijskog inženjerstva i tehnologije, Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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