Naphthol blue black
Deionized water/
standing wave
reactor (DS)
f ¼ 278 kHz
P
elec
¼ 20–100 W
Air atmosphere
V
¼ 400 mL
C
0
¼ 8.1
μM
T
¼ 20
C
Natural pH
The dye removal decreased
exponentially with time, and
more than 95% was removed at
120 min for C
0
¼ 8.1
μM
While the degradation rate
increased with power, the pH
effect was dependent on the
value of C
0
Dalhatou
et al. (2015,
2019)
Abbreviations:
DI Deionized water,
DS direct sonication,
NI not indicated,
C
0 initial pollutant concentration,
V treated solution volume,
T operating temperature,
f frequency of ultrasound,
P
elec delivered electric power,
P
ac acoustic power,
P
d power density and Intens.: acoustic intensity,
DS direct sonication,
TOC total
organic carbon,
COD chemical oxygen demand,
BOD
5 biochemical oxygen demand
5 Sonochemical Treatment of Textile Wastewater
165
Deionized water/
standing wave
reactor (DS)
f ¼ 278 kHz
P
elec
¼ 20–100 W
Air atmosphere
V
¼ 400 mL
C
0
¼ 8.1
μM
T
¼ 20
C
Natural pH
The dye removal decreased
exponentially with time, and
more than 95% was removed at
120 min for C
0
¼ 8.1
μM
While the degradation rate
increased with power, the pH
effect was dependent on the
value of C
0
Dalhatou
et al. (2015,
2019)
Abbreviations:
DI Deionized water,
DS direct sonication,
NI not indicated,
C
0 initial pollutant concentration,
V treated solution volume,
T operating temperature,
f frequency of ultrasound,
P
elec delivered electric power,
P
ac acoustic power,
P
d power density and Intens.: acoustic intensity,
DS direct sonication,
TOC total
organic carbon,
COD chemical oxygen demand,
BOD
5 biochemical oxygen demand
5 Sonochemical Treatment of Textile Wastewater
165