Pregled bibliografske jedinice broj: 1279443
Study of Ultrasound, Initial Concentration and Electrode Material on the Electrochemical Removal of Selenium and Strontium
Study of Ultrasound, Initial Concentration and Electrode Material on the Electrochemical Removal of Selenium and Strontium // Chemical Engineering and Processing - Process Intensification, 191 (2023), 109457, 10 doi:10.1016/j.cep.2023.109457 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 1279443 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Study of Ultrasound, Initial Concentration and
Electrode Material on the Electrochemical Removal
of Selenium and Strontium
Autori
Licht, Katarina ; Halkijevic, Ivan ; Posavcic, Hana ; Kosar, Vanja
Izvornik
Chemical Engineering and Processing - Process Intensification (0255-2701) 191
(2023);
109457, 10
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
Selenium ; Strontium ; Electrocoagulation ; Ultrasound ; Design of experiments
Sažetak
Since high concentrations of selenium and strontium in water can potentially harm human health, various methods have been developed for their treatment. The objective of this paper was to validate previously published studies on the electrochemical removal of selenium and strontium, while also reducing the reactor operating time and using an ultrasound assisted process. After careful evaluation of the preliminary experiments, a combination of aluminum and iron electrodes was identified as the most suitable option for further investigation. The Design of Experiments approach was utilized to study the effects of ultrasound intensity (0%, 50%, 100%), operating time (2, 6, 10 minutes), applied current (2.5, 7.5, 12.5 A), and initial concentrations of selenium and strontium (1, 3, 5 mg L−1) on the sono- electrochemical removal of selenium and strontium from a synthetic solution. A modified ultrasonic bath, operating at 25 kHz, was used for all the experiments. The results showed that ultrasound and the initial selenium and strontium concentrations had no effect on the removal efficiency. The obtained reduced quadratic models predicted a removal efficiency of 93% for selenium and 34% for strontium under the optimal conditions, which included 10 minutes of operation and 12.5 A of current.
Izvorni jezik
Engleski
Znanstvena područja
Kemijsko inženjerstvo, Interdisciplinarne tehničke znanosti
POVEZANOST RADA
Projekti:
HRZZ-UIP-2020-02-1160 - Kondicioniranje mikrobiološki i kemijski onečišćenih voda elektrokemijskim i ultrazvučnim postupcima (PRIMEUS) (Halkijević, Ivan, HRZZ - 2020-02) ( CroRIS)
Ustanove:
Građevinski fakultet, Zagreb,
Fakultet kemijskog inženjerstva i tehnologije, Zagreb
Citiraj ovu publikaciju:
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