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Yang B, Wang Y, Liu Z, et al. Optimum removal conditions of aniline compounds in simulated wastewater by laccase from white-rot fungi. J Environ Health Sci Eng. 2019;17(1):135-140doi: 10.1007/s40201-018-00334-x.
Yang, B., Wang, Y., Liu, Z., Liu, J., & Cai, J. (2019). Optimum removal conditions of aniline compounds in simulated wastewater by laccase from white-rot fungi. Journal of environmental health science & engineering, 17(1), 135-140. https://doi.org/10.1007/s40201-018-00334-x
Yang, Bo, et al. "Optimum removal conditions of aniline compounds in simulated wastewater by laccase from white-rot fungi." Journal of environmental health science & engineering vol. 17,1 (2019): 135-140. doi: https://doi.org/10.1007/s40201-018-00334-x
Yang B, Wang Y, Liu Z, Liu J, Cai J. Optimum removal conditions of aniline compounds in simulated wastewater by laccase from white-rot fungi. J Environ Health Sci Eng. 2019 Jan 15;17(1):135-140. doi: 10.1007/s40201-018-00334-x. eCollection 2019 Jun. PMID: 31321041; PMCID: PMC6581990.
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J Environ Health Sci Eng. 2019 Jan 15;17(1):135-140. doi: 10.1007/s40201-018-00334-x. eCollection 2019 Jun.

Optimum removal conditions of aniline compounds in simulated wastewater by laccase from white-rot fungi.

Journal of environmental health science & engineering

Bo Yang, Yacheng Wang, Zhiguo Liu, Jun Liu, Jiaming Cai

Affiliations

  1. College of Environment and Safety Engineering, Qingdao University of Science & Technology, Qingdao, 266042 Shandong China.

PMID: 31321041 PMCID: PMC6581990 DOI: 10.1007/s40201-018-00334-x

Abstract

BACKGROUND: Aniline compounds are widely applied as important chemical raw materials. However, they are so toxic and harmful to humans and environment that they need to be removed by an effective and economic approach, such as enzymatic reaction, which is in line with contemporary green development concepts.

METHODS: The effects of major factors, such as temperature, reaction time, concentration of laccase and the initial concentration of substrate on the removal of substrate were investigated by OFAT approach. After simulated wastewater is treated with enzymes, aniline concentration was determined by N-(1-Naphthyl)ethylene-diamine dihydrochloride spectrophotometric method. Concentration of o-phenylenediamine was determined by ferric ammonium alum spectrophotometric method.

RESULTS: For the removal of aniline, the optimum conditions were as follows: 50 °C, initial aniline concentration of 80 mg/L and laccase concentration of 1 g/L. In this case, the total removal of aniline reached 97.1% after 8 h, this also involves the volatilization of aniline itself. The optimum conditions of o-phenylenediamine were as follows: 50 °C, initial concentration of 100 mg/L and laccase concentration of 1 g/L. Under the above condition, the o-phenylenediamine could be removed completely after 60 min.

CONCLUSION: The results show that the removal of aniline compounds by laccase from white-rot fungi has good effect and potential application prospect.

Keywords: Aniline; Laccase; Removal; Wastewater; o-phenylenediamine

Conflict of interest statement

Competing interestsThe authors declare that they have no competing interests.

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