TY - JOUR
T1 - Integrated process approach for degradation of p-cresol pollutant under photocatalytic reactor using activated carbon/TiO2 nanocomposite
T2 - application in wastewater treatment
AU - Singh, Tripti
AU - Pal, Dan Bahadur
AU - Bhatiya, Ashok Kumar
AU - Mishra, Pradeep Kumar
AU - Hashem, Abeer
AU - Alqarawi, Abdulaziz Abdullah
AU - AbdAllah, Elsayed Fathi
AU - Gupta, Vijai Kumar
AU - Srivastava, Neha
PY - 2022/9
Y1 - 2022/9
N2 - Over the years, biodegradation has been an effective technique for waste water treatment; however, it has its own limitations. In order to achieve a higher degradation efficacy, integrated processes are being focus in this area. Therefore, the present study is targeted towards the coupling of biodegradation and photocatalytic degradation of p-cresol. The biodegradation of p-cresol was performed via lab isolate Serratia marcescens ABHI001. The obtained results confirmed that ~85% degradation of p-cresol was accomplished using Serratia marcescens ABHI001 strain in 18 h. Consequently, degradation of remaining residue (remaining p-cresol concentration initially used) was also examined in a batch reactor using activated carbon−TiO2 nanocomposite (AC/TiO2-NC) as a catalyst under the exposure of UV radiation. The AC/TiO2-NC was processed via sol-gel technique and characterized by various techniques, namely Brunauer-Emmett-Teller (BET), scanning electron microscope (SEM), X-ray diffraction (XRD), and Fourier transformed infrared spectroscopy (FT-IR). The investigation allowed p-cresol degradation further augment up to ~96% with the help of spectrophotometer trailed by high performance liquid chromatography (HPLC). This study demonstrates that integrated process (biodegradation-photodegradation) is the cost-effective bioremediation process to overcome such kinds of pollutant issues.
AB - Over the years, biodegradation has been an effective technique for waste water treatment; however, it has its own limitations. In order to achieve a higher degradation efficacy, integrated processes are being focus in this area. Therefore, the present study is targeted towards the coupling of biodegradation and photocatalytic degradation of p-cresol. The biodegradation of p-cresol was performed via lab isolate Serratia marcescens ABHI001. The obtained results confirmed that ~85% degradation of p-cresol was accomplished using Serratia marcescens ABHI001 strain in 18 h. Consequently, degradation of remaining residue (remaining p-cresol concentration initially used) was also examined in a batch reactor using activated carbon−TiO2 nanocomposite (AC/TiO2-NC) as a catalyst under the exposure of UV radiation. The AC/TiO2-NC was processed via sol-gel technique and characterized by various techniques, namely Brunauer-Emmett-Teller (BET), scanning electron microscope (SEM), X-ray diffraction (XRD), and Fourier transformed infrared spectroscopy (FT-IR). The investigation allowed p-cresol degradation further augment up to ~96% with the help of spectrophotometer trailed by high performance liquid chromatography (HPLC). This study demonstrates that integrated process (biodegradation-photodegradation) is the cost-effective bioremediation process to overcome such kinds of pollutant issues.
KW - Activated carbon
KW - Biodegradation
KW - P-cresol pollutant
KW - Photocatalytic degradation
KW - Serratia marcescens
KW - TiO
UR - http://www.scopus.com/inward/record.url?scp=85113159499&partnerID=8YFLogxK
U2 - 10.1007/s11356-021-15454-5
DO - 10.1007/s11356-021-15454-5
M3 - Article
C2 - 34415523
AN - SCOPUS:85113159499
SN - 0944-1344
VL - 29
SP - 61811
EP - 61820
JO - Environmental Science and Pollution Research
JF - Environmental Science and Pollution Research
IS - 41
ER -