Skip to main content
SpringerLink
Log in

Dyestuff wastewater treatment by combined SDS-CuO/TiO2 photocatalysis and sequencing batch reactor

  • Published:
Journal of Central South University Aims and scope Submit manuscript

Abstract

Combined technology of SDS-CuO/TiO2 photocatalysis and sequencing batch reactor (SBR) were applied to treating dyestuff wastewater. Photocatalysis was carried out in a spiral up-flow type reactor as pre-treatment. SDS-CuO/TiO2 photocatalyst was prepared by modification of nano-TiO2 using CuO and sodium dodecyl sulfate (SDS). Results show that the SDS-CuO/TiO2 photocatalyst contains two kinds of crystals, including TiO2 and CuO. The band gap of this photocatalyst is 1.56 eV, indicating that it can be excited by visible light (λ<794.87 nm). And characterization also shows that there are alkyl groups on its surface. It takes 40 min to improve the biodegradability of dyestuff wastewater. Five-day biochemical oxygen demand (BOD5) and dehydrogenase activity (DHA) of wastewater reach the maximum value when dissolved oxygen is higher than 2.97 mg/L. SBR reactor was used to treat this biodegradability improved wastewater. Chemical oxygen demand (COD) and colority decline to 72 mg/L and 20 times, respectively, when the sludge loading is 0.179 kg(COD)/[kg(MLSS)·d], dissolved oxygen is 4.09 mg/L and aeration time is 10 h.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. ROBINSON T, CHANDRAN B, NIGAM P. Removal of dyes from a synthetic textile dye effluent by biosorption oon apple pomace and wheat straw [J]. Water Research, 2002, 36: 1743–1748.

    Article  Google Scholar 

  2. AHN D H, CHANG W S, YOON T I. Dyestuff wastewater treatment using chemical oxidation, physical adsorption and fixed bed biofilm process [J]. Process Biochemistry, 1999, 34: 429–439.

    Article  Google Scholar 

  3. LIU Wei, CHEN Shi-fu, ZHAO Wei, ZHANG Su-juan. Titanium dioxide mediated photocatalytic degradation of methamidophos in aqueous phase [J]. Journal of Hazardous Materials, 2009, 164: 154–160.

    Article  Google Scholar 

  4. CRISITINA A, ARTURO M A, SIXTO M, ANA B. New insights on solar photocatalytic degradation of phenol over Fe-TiO2 catalysts: Photo-complex mechanism of iron lixiviates [J]. Applied Catalysis B: Environmental, 2009, 93(1/2): 96–105.

    Google Scholar 

  5. KOHTANI S, INAOKA Y, HAYAKAWA K, NAKAGAKI R. Degradation of benzo[a]pyrene using TiO2 and Ag-loaded BiVO4 photocatalysts: Evaluation by the Ames mutagenicity assay [J]. Journal of Advanced Oxidation Technologies, 2007, 10(2): 381–386.

    Google Scholar 

  6. YAMASHITA H, HARADA M, MISAKA J, TAKEUCHI M, NEPPOLIAN B, ANPO M. Photocatalytic degradation of organic compounds diluted in water using visible light-responsive metal ion-implanted TiO2 catalysts: Fe ion-implanted TiO2 [J]. Catalysis Today, 2003, 84: 191–196.

    Article  Google Scholar 

  7. HU Chun, WANG Yi-zhang. Decolorization and biodegradability of photocatalytic treated azo dyes and wool textile wastewater [J]. Chemosphere, 1999, 39(12): 2107–2215.

    Article  Google Scholar 

  8. JONSTRUP M, WAERJERSTAM M, MURTO M, MATTIASSON B. Immobilisation of TiO2 for combined photocatalytic-biological azo dye degradation [J]. Water Science & Technology, 2010, 62(3): 525–531.

    Article  Google Scholar 

  9. BOLDUC L, ANDERSON W A. Enhancement of the biodegradability of model wastewater containing recalcitrant or inhibitory chemical compounds by photocatalytic pre-oxidation [J]. Biodegradation, 1997, 8(4): 237–249.

    Article  Google Scholar 

  10. TURCHI C S, OLLIS D F. Photocatalytic degradation of organic water contaminants: Mechanisms involving hydroxyl radical attack [J]. Journal of Catalysis, 1990, 122(1): 178–192.

    Article  Google Scholar 

  11. XU Xuan, JI Fang-ying, FAN Zi-hong. Design of spiral up-flow tower-type photocatalysis reactor [J]. China Water & Wastewater, 2009, 25(23): 79–81. (in Chinese)

    Google Scholar 

  12. WANG Jian-fang, JIN Wen-biao, ZHAO Qing-liang, LIU Zhi-gang, LIN Ji-kan. Peformance of treating wastewater and anti-shockloading in oxic-settling-anaerobic (OSA) process for minimization of excess sludge [J]. Environmental Science, 2007, 28(11): 2488–2493. (in Chinese)

    Google Scholar 

  13. WU Ling, YU J C, FU Xian-zhi. Characterization and photocatalytic mechanism of nanosized CdS coupled TiO2 nanocrystals under visible light irradiation [J]. Journal of Molecular Catalysis A: Chemical 2006, 244(1/2): 25–32.

    Article  Google Scholar 

  14. GOPIDAS K R, BOHORQUEZ M, KAMAT P V. Photophysical and photochemical aspects of coupled semiconductors: Charge-transfer processes in colloidal CdS-TiO2 and CdS-AgI systems [J]. J Phys Chem, 1990, 94(16): 6435–6440.

    Article  Google Scholar 

  15. GHIJSEN J, TJENG L H, VANELP J, ESKES H, WESTERINK J, SAWATZKY G A, CZYZYK M T. Electronic structure of Cu2O and CuO [J]. Physical review B: Condensed Matter and Materials Physics, 1988, 38(16): 11322–11330.

    Article  Google Scholar 

  16. KOFFYBERG F P, BENKO F A. A photoelectrochemical determination of the position of the conduction and valence band edges of p-type CuO [J]. Journal of Applied Physics, 1982, 53(2): 1173–1177.

    Article  Google Scholar 

  17. ROBERT D. Photosensitization of TiO2 by MxPy and MxSy nanoparticles for heterogeneous photocatalysis applications [J]. Catalysis Today, 2007, 122(1/2): 20–26.

    Article  Google Scholar 

  18. TIAN Guang-lei, HE Hong-bo, SHAO Jian-da. Effect of Microstructure of TiO2 thin films on optical band gap energy [J]. Chinese Physics Letters, 2005, 22(7): 1787–1789.

    Article  Google Scholar 

  19. AL-ANI S K J, HIGAZY A A. Study of optical absorption edges in MgO-P2O5 glasses [J]. Journal of Materials Science, 1991, 26: 3670–3674.

    Article  Google Scholar 

  20. WANG Zhi-yu, TANG Pei-song, JIANG Yu-long, FAN Xian-ping, QIAN Guo-dong, HONG Zhang-lian. Study on fluorescence and diffuse reflection spectrum of nanosized TiO2 [J]. Rare Metal Materials and Engineering, 2004, 33(Suppl.3): 162–168. (in Chinese)

    Google Scholar 

  21. FRIEDMAN L, FISHEL DL, SHECHTER H. Oxidation of alkylarenes with aqueous sodium dichromate: A useful method for preparing mono-and polyaromatic carboxylic acids [J]. The Journal of Organic Chemistry, 1965, 30(5): 1453–1457.

    Article  Google Scholar 

  22. ZHANG Wen, WANG Xu-xu, LIN Hua-xiang, FU Xian-zhi. Influence of magnetic field on the formation rate of hydroxyl radical in photocatalysis [J]. Acta Chimica Sinica, 2005, 63(18): 1765–1768.

    Google Scholar 

  23. OH Y K, KIM Y J, AHN Y, SONG S K, PARK S. Color removal of real textile wastewater by sequential anaerobic and aerobic reactors [J]. Biotechnology and Bioprocess Engineering, 2004, 9(5): 419–422.

    Article  Google Scholar 

  24. JIN Yi-zhong, WEI Yan-yan, CHEN Xiao-ping. Studies on treatment of printing and dying wastewater by hydrolysis and acidification-SBR technology [J]. China Environmental Science, 2004, 24(4): 489–491. (in Chinese)

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Key Laboratory of The Three Gorges Reservoir Region’s Eco-Environment (Chongqing University), Ministry of Education, Chongqing, 400045, China

    Xuan Xu  (徐璇), Fang-ying Ji  (吉芳英), Li He  (何莉), Xue-bin Hu  (胡学斌) & Kun Zhang  (张琨)

  2. Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China

    Zi-hong Fan  (范子红)

Authors
  1. Xuan Xu  (徐璇)
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Fang-ying Ji  (吉芳英)
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Zi-hong Fan  (范子红)
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Li He  (何莉)
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Xue-bin Hu  (胡学斌)
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. Kun Zhang  (张琨)
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Xuan Xu  (徐璇).

Additional information

Foundation item: Project(CDJZR11210009) supported by the Fundamental Research Funds for the Central Universities of China

Rights and permissions

Reprints and permissions

About this article

Cite this article

Xu, X., Ji, Fy., Fan, Zh. et al. Dyestuff wastewater treatment by combined SDS-CuO/TiO2 photocatalysis and sequencing batch reactor. J. Cent. South Univ. Technol. 19, 1685–1692 (2012). https://doi.org/10.1007/s11771-012-1194-z

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11771-012-1194-z

Key words

Search

Navigation